• 专利附录
  • 专利说明
  • 权利要求
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    • 专利摘要:
    COMBINATION OF BOOM AND TUBULAR ELEMENT CUTTER. The present invention relates to a cutting and pulling boom that is configured to obtain multiple handles on a tubular element to be cut in traction. A locking attribute (274) maintains the seated position of the wedges and seal. The lock (274) can be disassembled with an axial force that retracts a spring loaded clamp (216) and the lock (274) can be reconfigured to the lowering position, with the wedges and seal retracted, so that the assembly can be repositioned on the same path for another cut. A cam surface prevents the wedges and the seal from settling until the boom is repositioned to the next desired cutting location or removed from the well bore. The lock (274) can be disassembled with retraction or with a pressurization in a sphere launched for an emergency release. A surface release signal is provided by a stack of disc springs that have to be compressed to release the lock.
    公开号:BR112014004316B1
    申请号:R112014004316-7
    申请日:2012-07-17
    公开日:2020-12-22
    发明作者:Stephen L. Crow；Christopher W. Guidry；William A. Hered
    申请人:Baker Hughes Incorporated；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [001] The field of the invention deals with tubular element cutters that present a grabbing action before cutting to put the column in tension, more particularly a resettable tool with the ability to insulate the tubular element with a seal. closing a sealing gap while leaving the gap open for circulation as the tubular element is cut. BACKGROUND OF THE INVENTION
    [002] During the cutting and removal of lining or tubular elements, a rotary cutter is used that is driven from the surface or downhole with a downhole motor. The cutting operation generates some debris and requires the circulation of cooling fluid and, to a lesser extent, for debris removal purposes. One way to accommodate the need for circulation is to avoid sealing the tubular element above the cutter while the cut is being made. In these cases, still, the tubular element that is cut may be in compression due to its own weight. Having the tubing in compression is not desirable as it can impede the cutting process, making blade rotation more difficult as the cut proceeds. The failure of a seal to act until the cut is made (as shown by USP at USP 5,101,895), in order to allow circulation during the cut, leaves the well open so that if a setback occurs during the cut of the piping becomes difficult to take control of the well quickly. The non-grabbing of the cut liner until the cut is made, so that the cut is made with the compressed tubular element, is shown in USP 6,357,528. In that tool, there is circulation through the tool during the cut, followed by the fall of an object inside the tool to allow the tool to have increased pressure, so that the lance can be seated after the cut is made.
    [003] Sometimes the coating or tubular element is cut in a region where it is cemented, so that the portion above the cut cannot be removed. In these situations, another cut needs to be made a little more above or below the liner or tubular element. Some well-known designs are seated to engage for support with body lock rings. In that case, there is only one opportunity to install the tool on a trip. In case the liner or tubular element is not released, these tools need to be pulled from the well hole and compensated for another trip.
    [004] Although it is advantageous to have the opportunity to control the well in the event of a kickback, the laying of a tubular element insulator has in the past had the associated problem of blocking fluid circulation while the cut is being made.
    [005] Another approach to making multiple cuts is to have multiple assemblies at a predetermined spacing so that different cutters can be used sequentially. This project is shown at USP at USP 7.762.330. It has the ability to cut sequentially and then grab two pieces of cut from a tubular element in a single trip, and then remove the cut segments together.
    [006] USP 5,253,710 illustrates a hydraulically actuated gripper that places the tubular element to be cut in traction so that the cut can be made. USP 4,047,568 shows the grip of the tubular element after cutting. Neither of the two previous references provide any well control capabilities.
    [007] Some projects establish an inflatable shutter, but only after the cut is made, so that there is no well control as the cut is made. Other projects are limited because they can be settled only once, so that if the liner will not be released where the cut is made, making another cut requires a trip outside the well. Some designs place a plug against the attached portion of the tubular element as the resistive force. This method places the tubular element that is cut in compression and makes cutting difficult. Some designs use a stop ring that requires advance spacing from the cutter blades to the stop ring. In essence, the stop ring is stopped by the top of a fish so that if the fish is not released when cut at that location, the tool needs to be removed and reconfigured for a cut at a different location.
    [008] The last project is illustrated in Figure 1. The cutter (which is not shown) is fixed on thread 10 to the lower drill 12. Chuck 14 connects drive hub 16 to the lower drill 12. Stop ring 18 interrupts a trip forward when it rests on top of the fish (which is also not shown). When this happens, the weight is seated to engage the notches 20 with the notches 22 to rotate a cam assembly 24 so that a rod that travels the cone 26 in relation to the wedges 28 can be removed from the path . A subsequent retraction force will allow the cone 26 to pass under the wedges 28, which will grab the fish and hold it in traction while the cut is made. Again, the cut location is always at a single fixed distance from the stop ring 18.
    [009] Some designs allow a grip on the tubular element to pull a traction without the use of a stop ring, but they can only be seated once in one place. Some examples are Nas USP: 1,867,289; 2,203,011 and 2,991,834. USP 2,899,000 illustrates a multi-row cutter that is actuated hydraulically while leaving the chuck open for circulation during cutting.
    [010] A more recent example of a tubular element cutter is found in WO2011 / 031164 and uses spaced wedges around a sealing element for a tubular element cutting tool. It has more limited functionality than the present invention, especially in relation to cutting in traction and providing well control in the event of a well retraction.
    [011] What is needed and provided by the present invention is the ability to make multiple cuts in a single trip while providing a boom that is mechanically seated to grab above the cut site within the tubular element that is cut . In addition, the obturator can be used before cutting begins, in order to provide well control and bypass circulation through the tool during cutting, so that other downhole equipment can also be operated. The tubular element to be removed is engaged before cutting and placed in tension while the cutting takes place. To those skilled in the art, these and other features of the present invention will be most evident from a review of the detailed description and associated drawings. It should be understood that the full scope of the invention needs to be determined from the attached claims. SUMMARY OF THE INVENTION
    [012] A cut and pull boom is configured to obtain multiple handles on a tubular element to be cut under tension. The wedges are mechanically seated with the help of drag blocks to secure a portion of the assembly while a mandrel is manipulated. An annular seal is fitted together with the wedges to provide well control during cutting. An internal deviation around the seal may be in the open position to allow circulation during the cut. With mechanical manipulation, the diversion can be closed to control a well retraction. The fence remains seated. If the tubular element is not released after an initial cut, the lance can be fired for release and can be reseated in another location. The mandrel is opened for circulation while the wedges and the seal are seated and the cut is being made. The cuts are filtered to prevent them from entering the diversion and migrating to eruption preventers. A locking feature maintains the seated position of the wedges and seal. The latch can be disassembled with an axial force that retracts a spring loaded clamp, and the latch can be re-seated with the wedges and seal retracted so that the assembly can be repositioned on the same trip for another cut. A cam surface prevents the wedges and the seal from settling until it is overcome after relocating the tool to the next desired cutting location or removing the hole from the well. The lock can be disassembled with retraction or with a pressurization in a sphere launched for an emergency release. A surface release signal is provided through a load tilt member or a plurality of such members that need to be overcome to release the lock. BRIEF DESCRIPTION OF THE DRAWINGS
    [013] Figure 1 is a prior art boom design that uses a stop ring for landing on the fish;
    [014] Figure 2 is a multiple seat boom that is mechanically seated to allow multiple cuts in a single trip;
    [015] Figure 3 is an alternative modality of the cutting and pulling boom with the annular seal and the deviation for the seal in the closed position;
    [016] Figure 4 is a view of Figure 3 with the deviation for the view shown in the open position;
    [017] Figure 5a to 5b is a sectional view of an alternative and preferred modality that uses the release feature and shown in the descending position;
    [018] Figure 6 is a detailed view of the lock shown in the disassembled position during positioning;
    [019] Figure 7 shows a detail of the stack of disk springs that are compressed to allow the lock of Figure 6 to reach the locked position after the wedges and the sealing element are seated;
    [020] Figure 8 shows a cam arrangement that, during the positioning of the cutting and pulling boom, prevents a retraction action from settling the wedges and the seal until the rotation destroys the cam arrangement;
    [021] Figure 9a to 9b is a view of Figure 5a to 5b with a recoil and rotation to allow the wedges and the seal to be seated;
    [022] Figure 10a to 10b is a view of Figure 9a to 9b with additional recess to seat the wedges and the seal;
    [023] Figure 11 shows the latch extended with the wedges and the seal seated, as in Figure 10a to 10b;
    [024] Figure 12a to 12b shows the use of overvoltage to compress the disc springs and allow a subsequent release of the seal and wedges by settling the weight;
    [025] Figure 13a to 13b shows an emergency release by launching a sphere to use pressure to compress the disc springs in order to release the lock, so that the seal and wedges can be released with a seated weight;
    [026] Figure 14 shows the lock retracted with a sleeve as a result of the compression of the disc springs shown in Figure 12a to 12b or 13 to 13b;
    [027] Figure 15a to 15b is a settlement view with the wedges and seal released just before a rotation locks the release position to allow movement of the cut and pull boom assembly and a new settlement without possibility of acting during the movement;
    [028] Figure 16 shows the lock back to the descending position during the new use of the assembly to another location on the same trip;
    [029] Figure 17 is a detailed view of the lock in the lowered position before the wedges and the seal are actuated;
    [030] Figure 18 is a view of Figure 17 as the clamp moves in unison with a glove during the wedges and sealing process;
    [031] Figure 19 is a view of Figure 18 with the wedges and the seal seated and the clamp extended in a deeper groove to maintain their seating;
    [032] Figure 20 is a view of Figure 19 showing the retraction force that compresses the disc springs and the sleeve pushed out so that it can push the clamp in to allow the release in the settlement;
    [033] Figure 21 is a view of Figure 20 showing the lock kept retracted as the weight is seated to release the wires and the seal;
    [034] Figure 22 is a view of Figure 21 showing the retaining sleeve pushed out as the weight is placed;
    [035] Figure 23 is a view of Figure 22 that shows the separation of the lock and sleeve and the return of the descent position for possible repositioning in the well hole or removal of the associated tool;
    [036] Figure 24 is an alternative lock modality in the descent position;
    [037] Figure 25 is the lock in Figure 24 with a lower end of a sleeve that makes contact with a mandrel shoulder;
    [038] Figure 26 is the lock of Figure 25 in a locked position, with a bushing that engages a groove in a mandrel;
    [039] Figure 27 is the lock in Figure 26 with the bushing out of the groove and selectively fixed to the glove;
    [040] Figure 28 is the lock in Figure 27 with the top end of the sleeve making contact with a second mandrel shoulder as the sleeve, mounted on the sleeve, moves after the groove in the sleeve;
    [041] Figure 29 is the lock on Figure 28 reconfigured in the lower position of Figure 24. DETAILED DESCRIPTION OF THE PREFERENTIAL MODE
    [042] Referring to Figure 3, the boom S has a lower drill 30 to which the cutter, illustrated schematically as C, is fixed for tandem rotation. An internal mandrel 32 connects the lower bit to the drive bit 34. An outer subassembly 36 extends from the notches 38 at the upper end to the bearing 40 at the lower end. Bearing 40 is used since the lower bit 30 will turn as a liner or tubular element (not shown) is cut while the bit 42 is stationary. Above the drill bit 42 are doors 44 preferably covered by a wire wrapping screen 46. Other filtration devices for capturing cuttings when the tubular element is cut are provided. A debris trap may also be located below the lower drill 30 to channel the return flow that flows through cutter C and back towards the surface from the region where cutter C is operating. A variety of known rotary cutter designs can be used with the potential need to modify them for a through-flow design to allow removal of cuttings / debris. Several known debris trap designs can be carried out such as those shown in USP 6,176,311; 6,276,452; 6,607,031; 7,779,901 and 7,610,957 with or without seal 48. Although seal 48 preferably has an annular shape that is compressed axially to a seal position, alternative designs with a debris trap may involve a disperser for the charged fluid debris that does not seal completely or that seals in one direction, such as a shutter cup. Alternatively, a debris trap with a disperser can be used in conjunction with a seal, such as 48, while operating with offset 50 in the open position.
    [043] Doors 44 lead to an annular space 50 that extends to doors 52 which are shown closed in Figure 3 since the O-rings 54 and 56 on drill 58 cross doors 52. An external mandrel 59 is extends between the bearings 60 and 62 and involves the internal mandrel 32. The external mandrel 59 supports the seal 48, the cone 64 and the wedges 66. A key 68 locks the cone 64 to the external mandrel 59. The external mandrel 59 turns just lightly. Wedges 66 are preferably segments with multiple guiding ramps such as 70 and 72 that similarly engage inclined surfaces in cone 64 to drive wedges 66 out evenly and distribute the reaction load from them. when these are seated. The outer mandrel 59 has Chevron type 73 and 74 seals close to the upper end of it adjacent to the bearing 62 to seal against the rotating inner mandrel 32. The end cap 76 is attached to the outer mandrel 59 at the same time. - support for bearing 62. A wrench 78 in end cap 76 extends into a longitudinal groove 80 in upper drill 82. Upper drill 82 is threaded 84 to drill 58 for tandem axial movement without rotation .
    [044] Upper drag block segments 86 and lower drag block segments 88 keep the external non-rotating assembly fixed against an applied force so that the mechanical manipulation of the internal mandrel 32 can actuate the boom S as will be described subsequently. Among the spaced trailing block segments 86 is an automatic nut feature 90 that consists of a series of spaced segments that have a thread pattern facing thread 92 that selectively engages with one in the inner chuck 32. The automatic nut 90 is a pin type device so that when the internal chuck 32 is turned to the right, the segments of the automatic nut 90 simply move like a ratchet over the thread 92. However, if the internal chuck 32 is turned to the left, the automatic nut 90 engages the threads 92. The upper drill 82 and the drill 58, which have rotation restricted by the key 78, and end up moving axially so that the gasket-type seals 54 and 56 no longer cross ports 52 (now shown in the open position in Figure 4). Simply placing the weight on the internal chuck 32 will close doors 52 again in the event of a well retraction.
    [045] In order to seat the wedges 66 and the seal 48, the weight is placed during positioning so that the notches 94 engage with the notches 38 and the drive bit 34 is turned to the right around 40 degrees. With the use of a j-96 lock / slit mechanism, these movements allow, through the subsequent application of a recoil force, the movement of the cone 64 under the wedges 66. The continuous pulling force compresses the seal 48 against the surrounding tubular element to be cut. At that time, the relative movement between the outer mandrel 59 and the cone 64 are selectively blocked. By turning the inner mandrel 32 to the right during retraction, the pulling force on the inner mandrel 32 can be maintained during cutting. By retracting and turning the internal mandrel 32 to the left, the doors 52 can be opened before cutting. When doors 52 are open, the automatic nut 90 is no longer affected by the rotation to the right of the internal chuck 32. In the case of a recess of the well, doors 52 are closed by setting the weight, but the wedges 66 and seal 48 remain seated even with the weight being applied. Occasionally, the wedges 66 and the seal 48 can be released by means of a seating force that will pull the cone 64 under the wedges 66 allowing the seal 48 to grow axially while being retracted radially. The boom S can again be seated at other locations within the surrounding tubular element any number of times and in any number of places.
    [046] It should be noted that, in Figure 2, neither seal 48 nor annular space 50 is used. In this configuration, a single row of drag blocks 98 is used. The other operations continue uneven.
    [047] Those skilled in the art will note that the S-boom offers several exclusive and independent advantages. It allows laying and cutting (in traction) at multiple locations within the tubular element, while retaining an ability to circulate through the internal mandrel 32 to energize cutter C and / or to remove cuttings. The tool has the facility to filter the cuttings and prevent them from reaching an eruption preventer in which they could cause damage. In the configuration of Figures 3 and 4, the cuttings can be filtered using the screen 46 that leads to the doors 44, with the seal 48 seated so that the return flow is completely directed to the screen 46. In another mode, such as as in Figure 2, a debris or scrap trap can be incorporated at the lower end. Such a device would probably have a flow disperser to direct the cuttings into the device where they could be retained and selected. The clean fluid could be returned to the annular space above the disperser for travel to the surface. Another advantage of the S-boom is the ability to have the annular selectively sealed with the seal 48. Doing so provides the fast closing functionality of the deviation 50 to mitigate the effects of a well kickback. In this mode, closing of doors 52 is achieved by applying a laying weight. Note that not all jobs require deviation 50 around seal 48 to be opened during cutting.
    [048] Figures 5 to 16 illustrate a preferred and alternative embodiment of the present invention. The tool is divided into 11 sections numbered sequentially in Figure 5a to 5b. Section 1 is a j-203 slot assembly that interacts with the top drill bit 201 through a selective engagement of pins 250 in slot 252. Section 2 moves with section 1 and is a sleeve 206 that can be lifted to move spaced seals 254 and 256 away from port 258 on sleeve 209. Section 3 is a housing for drag blocks 212 and has an internal travel stop 260 on cam 215 that needs to be released by the cam swivel 215. As sections 1 and 2 are rotated with a surface column (not shown), drag blocks 212 keep section 3 stationary. This is shown in more detail in Figure 8. Section 4 is the housing for lock clamps 216 (shown in more detail in Figure 6) that can jump into groove 262 to lock the seated position of the wedges 220 and seal 223, 225 and 226. Sections 5 and 6 are the housings for wedges 220 and seals 223, 225 and 226 respectively. Section 7 contains the inlet for fluid bypass and a screen 227 which allows fluid to be diverted to seals 223, 225 and 226 and enter the upper annular when port 258 is actuated open in section 2. Section 8 is the housing for the stack of disc springs 229 which are compressed when a recoil force is applied to the top drill bit 201, allowing clips 216 to be pulled out of groove 262 by sleeve 219. This can be better observed by comparing Figures 11 and 14. Section 9 is a roller bearing housing for bearing 205. Section 10 allows for an emergency release by launching a ball 264 is used which, when pressure is applied, displaces seat 232 to expose ports 266 to compress disc springs 229 and release clips 216. This is shown in Figure 13b. Finally, Section 11 is a thrust bearing 233 that facilitates the rotation of the lower drill 234 against the stationary piston chamber 231.
    [049] The tool is designed so that the drag blocks 211 in section 3 are dragged into the liner to be cut. The drag blocks hold section 3 in place so that the external mandrel 209 can be rotated by a% turn. The placement of a weight on the upper drill bit 201 will align the upper drill shoulders 250 with the axial portion of the groove 252 on the j-shaped drill bit 203. Rotation to the right from the upper drill bit 201 is transferred into the j-shaped slot drill bit 203 which is attached to the circulation drill 206. The circulation drill 206 is rotatably locked to the external mandrel 209. The external mandrel 209 has a cam 215 (shown in enlarged details in the Figure 8) which is also pivotally locked to the external mandrel 209. Rotation to the right causes the cam 215 to rotate while the drill bit 214, which is attached to the drill bit 210, does not move since the drag block 211 is rubbed (not shown) to the surrounding tubular element. With the shoulder drill 214 aligned with the cam 215 after the rotation of the cam 215 in the direction of the arrow 268, the external mandrel 209 is allowed to move upwards since the surface 260 no longer acts as a travel stop for the drill bit. boss 214. This is shown in Figure 8. When the outer mandrel 209 moves up and the thrust bearing 233 contacts the piston housing 231, the components below the wedge 220 will begin to move upward while the components below the wedge 220 will stay in place due to the lower and upper drag blocks 211. Since the wedge 220 is supported by the cone 221, the continuous pull will set the wedge 220 on the liner (not shown) and will cause the packing elements 223 to 226 are seated. An additional pull will compress disk springs 229 enough to leave locking clamp 216 open (as shown by comparing Figures 6 and 11). With the locking clamp 216 in the open position, the tool is locked in position and a force can be applied in compression and traction without fearing the release of the wedges 220 or the seal assembly 223 to 226. This can be useful if strikers (not shown above) are installed above the pipe cutter and need to be re-armed using a weighting.
    [050] Moving the internal mandrel section 201, 202 and 234 upwards causes the thrust bearing 233 to contact the piston housing 231, and the continuous rotation to the right with the traction allows the use of a cutter C below to cut the coating. Circulation / lock section 206, 258 can be opened, if necessary, by lowering the internal mandrel section 201, 202 and 234 inside the j-shaped slot 203, rotating a turn of% to the left. - wanted and rising (see Figure 12a to 12b). With the circulation drill 206, 258 open, fluids can be circulated back to the surface by deflecting the seat seal assembly 223 to 225 through the screen 227 where the cut debris is filtered.
    [051] To release the tool, the lock clamp 216 needs to be relaxed. This is achieved with overvoltage to overcome disk molds 229. Clamp sleeve 219 (see Figures 6, 11 and 14) for when it reaches shoulder 270 (see Figure 20) of cam 214. However, clamp 216 and outer mandrel 209 will continue upwards. This continuous movement will cause the clamp 216 to collapse under the clamp sleeve 219. When the internal mandrel section 201, 202 and 234 is moved downwards, it contacts the j-shaped circulation slot 203 that moves down and comes in contact with the upper bit of the external mandrel 204, moving the external mandrel 209 downwards, with the clamp 216 attached under the clamp sleeve 219, thus allowing the clamp 216 to pass the groove 262 (compare Figures 20 to 23). The external mandrel section 206 will continue downward until circulation port 258 is closed. While the outer mandrel section 206 is moving downwards, the clamp sleeve 219 will be reversed inside shoulder 272 of the clamp housing 218. This will allow the lock clamp 216 to come out from under the clamp sleeve 219 and be ready to exit groove 262 when the tool is reseated (see Figure 23). With reference to Figures 17 to 23, it can be seen that in the descending position of Figure 17, the sleeve 219 is releasably attached to the external mandrel 209 through a first lock 274 which can be a spring loaded ball or an O-ring in cam or some other structure that holds the parts together until a determined applied force and then releases them. Other structures may be a disc spring or a stack thereof. As a recoil force is applied to seat the wedges 220, the sleeve 219 is still retained by the first lock 274 for a tandem movement with the external mandrel 209, so that the clamp 216 can be jumped into the groove 262 to keep the wedges and the seal in place. When sections 201, 202 and 234 are further raised to release the wedges and seal by compressing the disk spring stack 229, sleeve 219 reaches stop 270 (see Figure 20) and clamps 216 are pushed under the sleeve 219 and out of the groove 262. In the course of that action, the first spring loaded ball lock 274, or equivalent, releases its grip (shown schematically in Figure 20). In Figure 21, sleeve 219 now moves in tandem with outer mandrel 209 since a second lock (not shown) holds them together until the sleeve engages with inner shoulder 272. At that point, the staples 216 have moved below groove 262, and further downward movement of staples 216 occurs in relation to sleeve 219 which is interrupted by inner shoulder 272. As a result, staples 216 can be tilted out again at the same time as they are separated from sleeve 219 as the first lock 274 again selectively attaches sleeve 219 to outer mandrel 209 (shown in Figure 23). Figure 23 and the descent position of Figure 17 are the same.
    [052] The locking system in Figures 17 to 23 can be used for a variety of tools that are a downhole that can be resettled. The advantages are that the lock is installed and removed with an axial force, without the need for rotation. It employs an overvoltage surface signal, such as compression of the disk spring stack, to retract the clamp under the changeable clamp sleeve and keep it retracted as the axial movement allows the clamp to move freely the lock groove. An additional axial movement allows the clamps to return to the lowered position for the next tool engagement in the seated position. As a result, the recoil will seat the tool and selectively lock it. Additional retraction with a surface signal releases the lock. A subsequent downward axial movement will again seat a lock in the initial free position. Additional retraction can be achieved through a pulling force from the surface or through an alternate release, such as throwing a ball into a seat and pressing a piston to create axial movement (as will be shown). - plicated below). Those skilled in the art will note that axial firing movements can also be reversed or can be a combination of up and down movements. The fact that there is no rotation is an advantage, especially in deviated well holes. The selective locking of the settlement allows other operations, such as the delivery of vibration blows, to happen without fear of losing the seated position.
    [053] The same locking mechanism capable of reseating can be achieved through the use of a bushing in place of clamps, as shown in Figures 24 to 29. In Figure 24, a bushing 300, mounted to a stationary component that it is not shown, it is held in a pre-flexed state by a movable component 302, such as the outer mandrel of the cutting and pulling boom, and is attached to a slide sleeve 314 through one of two selective locks 304 or 306. In Figure 24, which is the lowering position, lock 306 secures sleeve 314 to bushing 300. When moving component 302 is pulled in the direction of arrow 303 (so as to seat the wedges and seal), the bushing 300 is snapped into a groove 308 on the movable component 302, as shown in Figure 26, and prevents movement of the movable component 302 in the reverse direction as indicated by arrow 310. This is the locked position of the anchor and is shown in Figure 26. The additional pull of the mobile component 302 in the d direction of the arrow 303 push the sliding sleeve 314 against the movable component 302 on the shoulder 312, thereby releasing the first selective lock 306 between the sleeve 300 and the sliding sleeve 314. The movement also allows the sleeve 300 move out of the groove 308 and in the sliding sleeve 314, engaging a second selective lock 304 to secure the sleeve 314 to the sleeve 300. This movement requires a certain threshold of force due to the flexing of the sleeve 300, the which serves as the surface signal that the lock has been overcome.
    [054] Pushing the moving component 302 in the direction of the arrow 316 thus allows the bushing 300 to return to the position of Figure 24, since bushing 300 remains mounted on sleeve 314 until sleeve 314 engages groove 308 on the surface 318. At that time, lock 306 again secures sleeve 314 to bushing 300. The continuous movement of movable member 302 then returns bushing 300 to the descent position shown in Figure 24, which is the same as in Figure 29. The process can be repeated to lock the bushing 300 back to the movable component 302. The configuration described can be easily reversed so that the bushing 300 is supported by the stationary part, which is not shown, and mounted to the movable component 302.
    [055] Continuing now with the release procedure for the tubular element cutter C, the continuous downward thrust with the internal mandrel section 201, 202 and 234 without the clamp 216 securing the wedge housing 218 will allow the wedge 220 and the packing elements 223 to 225 relax, and the tool can be moved up and down the liner as needed. In order for the tool to move freely, the internal chuck section 201, 202 and 234 will need to be turned one% turn to the left while being pushed down to engage cam 215 again with the drill bit. boss 214 (as shown in Figure 8, which is the view before the% rotation turn).
    [056] Figure 13a to 13b shows a secondary release method for surface release or for release in the event that the application of a pulling force followed by seating fails to release wedges 220. It is shown in Figure 13a a 13b a sphere 264 that rests on seat 232. This figure also shows seat 232 in a position after having been moved to expose port 266. The applied pressure then reaches piston 230 which then compresses disc springs 229, thus simulating the same effect of a recoil force on the cable. The clamps 216 will be retracted so that a subsequent seating force extends the sleeves and the seal assembly for a release. Subsequently, a turn of% to the left will lock the tool again so that it is not re-engaged with the surrounding tubular element as it is repositioned for another cut or removed from the well bore.
    [057] The above description is illustrative of the preferred modality and many modifications can be made by those skilled in the art without departing from the invention whose scope needs to be determined from the literal and equivalent scope of the claims below.
    权利要求:
    Claims (38)
    [0001]
    1. Combination of boom and tubular element cutter characterized by understanding: a mandrel (209) rotatable mounted in an external assembly for multiple revolutions, in which the mandrel (209) supports a tubular element cutter and has a flow passage therethrough which remains open for the flow of fluid, as the mandrel (209) rotates the tubular element cutter at a speed necessary to complete the cutting of a tubular element; an anchor mounted to the external assembly and configured to allow the external assembly to enter the tubular element for multiple positions and releases of the anchor in relation to the tubular element and the positions and releases are completed in a single trip; a selectively releasable lock (274) that is automatically activated to retain the anchor in a seated position and is released without rotating the mandrel (209), where revolutions occur with the anchor in a fully seated position and arranges the portion of the tubular element that is above the hole from the tension cut through the mandrel (209).
    [0002]
    2. Combination, according to claim 1, characterized by the fact that: the lock (274) is engaged with the axial movement of the mandrel (209).
    [0003]
    3. Combination, according to claim 1, characterized by the fact that: the lock (274) is released, with the axial movement of the mandrel (209).
    [0004]
    4. Combination, according to claim 1, characterized by the fact that: a sealing element assembly that is seated against the tubular element when the anchor is seated, in which the multiple revolutions occur when the sealing element is completely seated; and wherein the cutter cuts the tubular element with a tensile force on the tubular element applied through the mandrel (209).
    [0005]
    5. Combination according to claim 4, characterized by the fact that: the anchor and the sealing element assembly are prevented from settling when the mandrel (209) is moved axially until the mandrel (209) be rotated.
    [0006]
    6. Combination, according to claim 5, characterized by the fact that: the external assembly comprises bypass passage selectively operated around the sealing element.
    [0007]
    7. Combination, according to claim 6, characterized by the fact that: the bypass passage also comprises a screen.
    [0008]
    8. Combination, according to claim 6, characterized by the fact that: the bypass passage opens or closes selectively when the anchor is seated with the movement of the mandrel (209); the bypass passage is opened as the mandrel (209) rotates over the tubular cutter.
    [0009]
    9. Combination, according to claim 1, characterized by the fact that: the lock (274) selectively release is locked by initial relative movement that allows a bushing to enter a groove (262) in the anchor to prevent the relative movement in a second direction opposite to the initial relative movement.
    [0010]
    10. Combination, according to claim 9, characterized by the fact that: the continuation of the initial relative movement with a predetermined force displaces the groove bushing (262).
    [0011]
    11. Combination, according to claim 10, characterized by the fact that: by means of the groove (262) exit, the bushing is mounted on a sleeve, which prevents the bushing from entering the groove (262) again. the relative movement in the second direction.
    [0012]
    12. Combination, according to claim 11, characterized by the fact that: the sleeve (219) engages a travel stop after the groove (262) moves beyond the bushing.
    [0013]
    13. Combination, according to claim 12, characterized by the fact that: the sleeve (219) is initially releasably attached to the sleeve with a first locking member and the initial relative movement releases the sleeve (219) from bushing and allows the bushing to engage the groove (262); the initial relative movement occurs through the movement of a movable member in relation to the bushing, the movable member comprising a flange to engage the sleeve (219) and, then, release the first locking member; when the bushing moves out of the groove (262), as the initial relative movement continues, the sleeve (219) is locked to the plug by a second locking member.
    [0014]
    14. Combination, according to claim 13, characterized by the fact that: the second locking member is disassembled during the second relative movement after the groove (262) travels beyond the sleeve while the sleeve is mounted on the sleeve; the movable member then places the travel stop against the sleeve (219) to allow the first locking member to reconnect the sleeve (219) to the sleeve, so that the lock (274) selectively releasable is again ready for another cycle.
    [0015]
    15. Combination of boom and tubular element cutter characterized by comprising: a mandrel (209) rotatably mounted in an external assembly, in which the mandrel (209) supports a tubular element cutter and has a passage of flow through it that remains open for the fluid flow, as the mandrel (209) rotates the tubular element cutter; an anchor mounted to the external assembly and configured to allow the external assembly to enter the tubular element for multiple positions and releases of the anchor in relation to the tubular element and the positions and releases are completed in a single trip; a selectively releasable lock (274) that is automatically activated to retain the anchor in a seated position; the lock (274) is released with pressure applied to an object that selectively blocks the passage.
    [0016]
    16. Combination, according to claim 15, characterized by the fact that: the latch (274) comprises at least one clamp (216) mounted on a movable member of the external assembly for the selective engagement of the clamp (216) a a groove (262) in a surrounding housing (218) retained by the anchor.
    [0017]
    17. Combination according to claim 16, characterized by the fact that: the lock (274) comprises a glove (219) mounted in a sliding way to the movable member to selectively overlap the clamp (216) for retract the clamp (216) from the groove (262).
    [0018]
    18. Combination, according to claim 17, characterized by the fact that: the glove (219) moves in tandem to the movable member until it contacts at least one travel stop in at least one direction of movement of the glove, whereby the movable member and the clamp (216) move in relation to the glove.
    [0019]
    19. Combination, according to claim 18, characterized by the fact that: the glove (219) is selectively maintained on the movable member with a release latch (274) that is undone when the glove (219) reaches the travel stop and movable member and clamp (216) continue axial movement.
    [0020]
    20. Combination, according to claim 19, characterized by the fact that: the glove (219) is initially retained in a displacement relation to the clamp (216) while it is selectively retained to the movable member to allow that the clamp (216) is angled into the groove (262) by aligning the clamp (216) with the groove (262) when the axial movement of the mandrel (209) rests the anchor and the sealing element assembly, the clamp (216) locking (274) the anchor and the sealing element assembly.
    [0021]
    21. Combination according to claim 20, characterized by the fact that: the additional axial movement of the mandrel (209) to release the anchor and the sealing element assembly requires a strong force as a surface signal that liberation is imminent.
    [0022]
    22. Combination according to claim 21, characterized by the fact that: the additional movement of the mandrel (209) overcomes a spring force and causes the sleeve (219) to contact the travel stop for overcoming the release latch (274) and subsequent contact of the sleeve clamp (216), now stationary, press the clamp (216) out of the groove (262) to release the anchor and seal element assembly.
    [0023]
    23. Combination according to claim 22, characterized by the fact that: the clamp (216) remains contained within said sleeve (219) to allow the clamp (216) to be axially displaced without engaging the groove ( 262), whereby the sleeve (219) engages a second travel stop and is retracted from the clamp (216) and retained in the movable member by the release (274).
    [0024]
    24. Combination of boom and tubular element cutter characterized by comprising: a mandrel (209) rotatably mounted in an external assembly, in which the mandrel (209) supports a tubular element cutter and has a passage of flow through it that remains open for the fluid flow, as the mandrel (209) rotates the tubular element cutter; an anchor mounted to the external assembly and configured to allow the external assembly to enter a tubular element for multiple anchor positions and releases relative to the tubular element, with the positions and releases being completed in a single trip; a selectively releasable lock (274) that is automatically activated to retain the anchor in a seated position; the lock (274) comprises at least one clamp (216) on a movable member of the external assembly for selective engagement of the clamp (216) to a groove (262) in a surrounding housing (218) retained by the anchor.
    [0025]
    25. Combination according to claim 24, characterized by the fact that: the lock (274) comprises a glove (219) mounted in a sliding way to the movable member to selectively overlap the clamp (216) for retract the clamp (216) from the groove (262).
    [0026]
    26. Combination, according to claim 25, characterized by the fact that: the glove (219) moves in tandem to the movable member until it contacts at least one travel stop in at least one direction of movement of the glove, whereby the movable member and the clamp (216) move in relation to the glove.
    [0027]
    27. Combination, according to claim 26, characterized by the fact that: the glove (219) is selectively maintained on the movable member with a release lock (274) that is undone when the glove (219) reaches the travel stop and movable member and clamp (216) continue axial movement.
    [0028]
    28. Combination according to claim 27, characterized by the fact that: the glove (219) is initially retained in a displacement relation to the clamp (216) while it is selectively retained to the movable member to allow that the clamp (216) is angled into the groove (262) by aligning the clamp (216) with the groove (262) when the axial movement of the mandrel (209) rests the anchor and the sealing element assembly, the clamp (216) locking (274) the anchor and the sealing element assembly.
    [0029]
    29. Combination according to claim 28, characterized by the fact that: the additional axial movement of the mandrel (209) to release the anchor and the sealing element assembly requires a strong force as a surface signal that liberation is imminent.
    [0030]
    30. Combination according to claim 29, characterized by the fact that: the additional movement of the mandrel (209) overcomes a spring force and causes the sleeve (219) to contact the travel stop for overcoming the release latch (274) and subsequent contact of the sleeve clamp (216), now stationary, press the clamp (216) out of the groove (262) to release the anchor and seal element assembly.
    [0031]
    31. Combination according to claim 30, characterized by the fact that: the clamp (216) remains contained within said sleeve (219) to allow the clamp (216) to be axially displaced without engaging the groove ( 262), whereby the sleeve (219) engages a second travel stop and is retracted from the clamp (216) and retained in the movable member by the release (274).
    [0032]
    32. Combination of boom and tubular element cutter characterized by comprising: a mandrel (209) rotatable mounted in an external assembly for multiple revolutions, in which the mandrel (209) sustains a tubular element cutter and has a flow passage therethrough that remains open for the flow of fluid, as the mandrel (209) rotates the tubular element cutter at a speed necessary to complete the cutting of a tubular element; an anchor mounted to the external assembly and configured to allow the external assembly to enter the tubular element for multiple positions and releases of the anchor in relation to the tubular element and the positions and releases are completed in a single trip; a selectively releasable lock (274) that is automatically activated to retain the anchor in a seated position and is released without rotation of the mandrel (209), in which the multiple revolutions occur with the anchor in a fully seated position; where the lock (274) is seated by the initial axial movement of the mandrel (209) and is released with additional axial movement in the same direction.
    [0033]
    33. Combination of boom and tubular element cutter characterized by comprising: a mandrel (209) rotatable mounted in an external assembly, in which the mandrel (209) supports a tubular element cutter and has a passage of flow through it that remains open for the fluid flow, as the mandrel (209) rotates the tubular element cutter; an anchor mounted to the external assembly and configured to allow the external assembly to enter the tubular element for multiple positions and releases of the anchor in relation to the tubular element and the positions and releases are completed in a single trip; a selectively releasable lock (274) that is automatically activated to retain the anchor in a seated position; wherein the lock (274) is released with a high force that is noticeable on the common surface a sign that the release is imminent.
    [0034]
    34. Combination according to claim 33, characterized by the fact that: said high force is created by overcoming a spring force with axial movement of the mandrel (209) or with the pressure in said flow passage acting on a piston that exceeds the said spring force.
    [0035]
    35. Combination of boom and tubular element cutter characterized by comprising: a mandrel (209) rotatable mounted in an external assembly, in which the mandrel (209) supports a tubular element cutter and has a passage of flow through it that remains open for the fluid flow, as the mandrel (209) rotates the tubular element cutter at the speed required to complete the cutting of a tubular element; an anchor mounted to the external assembly and configured to allow the external assembly to enter the tubular element for multiple positions and releases of the anchor in relation to the tubular element and the positions and releases are completed in a single trip; a selectively releasable lock (274) that is automatically activated to retain the anchor in a seated and released position without rotating the mandrel (209); wherein the lock (274) comprises at least one inclined clamp (216) which maintains the seat of said anchor when aligned with a groove (262) in a housing (218) retained by said anchor.
    [0036]
    36. Combination of boom and tubular element cutter characterized by comprising: a mandrel (209) rotatably mounted in an external assembly, in which the mandrel (209) supports a tubular element cutter and has a passage of flow through it that remains open for the fluid flow, as the mandrel (209) rotates the tubular element cutter; an anchor mounted to the external assembly and configured to allow the external assembly to enter the tubular element for multiple positions and releases of the anchor in relation to the tubular element and the positions and releases are completed in a single trip; a selectively releasable lock (274) that is automatically activated to retain the anchor in a seated position; wherein the lock (274) comprises at least one inclined clamp (216) which maintains the seat of said anchor when aligned with a groove (262) in a housing (218) retained by said anchor; the clamp (216) is mounted on a movable component of the external assembly; the outer assembly comprises a sleeve (219) slidably mounted on the movable component to position the sleeve (219) in a displacement relationship with the clamp (216) to allow the clamp (216) to be angled into the groove ( 262) when aligned with the groove (262) and to allow the clamp (216) to retract from the groove (262) and keep the clamp (216) retracted until the clamp (216) is no longer aligned with the groove ( 262).
    [0037]
    37. Combination, according to claim 36, characterized by the fact that: the mobile component moves in relation to the glove (219) when the glove (219) reaches at least one travel stop according to the mobile component and the clamp (216) move in at least one axial direction.
    [0038]
    38. Combination according to claim 37, characterized by the fact that: the glove (219) moves between opposing tandem travel stops with the moving component; tandem movement occurs with the glove (219) displaced from or containing the clamp (216).
    类似技术:
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    BR112014004316B1|2020-12-22|combination of boom and tubular element cutter
    AU2017200721B2|2017-10-19|Multi-position mechanical spear for multiple tension cuts while removing cuttings
    BR112014004708B1|2021-01-19|lock set for an underground tool
    AU2017201126B2|2018-09-13|Tubular cutting with a sealed annular space and fluid flow for cuttings removal
    BR112013029088B1|2021-01-26|combination of a boom and tubular cutter and method of cutting and removing a tubular from an underground location
    同族专利:
    公开号 | 公开日
    GB201404841D0|2014-04-30|
    AU2017202623B2|2018-11-01|
    BR112014004316A2|2017-03-14|
    GB2510728A|2014-08-13|
    MY173158A|2019-12-31|
    AU2012302194A1|2014-01-30|
    WO2013032588A1|2013-03-07|
    NO20140076A1|2014-01-23|
    AU2017202623A1|2017-05-11|
    GB2510728B|2018-12-12|
    AU2012302194B2|2017-06-08|
    US20130048268A1|2013-02-28|
    CA2843604C|2017-04-25|
    US8893791B2|2014-11-25|
    CA2843604A1|2013-03-07|
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    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-11-19| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-09-29| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-12-22| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/07/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/222,125|US8893791B2|2011-08-31|2011-08-31|Multi-position mechanical spear for multiple tension cuts with releasable locking feature|
    US13/222,125|2011-08-31|
    PCT/US2012/047070|WO2013032588A1|2011-08-31|2012-07-17|Multi-position mechanical spear for multiple tension cuts with releasable locking feature|
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