• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A FAC tool (100) for use in a well comprising a well casing (5). The FAC tool comprises a top drivc connection (10) for coupling the tool to a top drive; a push plate (30); a telescoping section (20) coupling the push plate to the top drive connection; a packer cup (50) configured to seal an annular space between the FAC tool and the well casing when the packer cup is energized; a packer element system (80) comprising at least one packer moveable between a Iocked position in which the at least one paeker is not energized, and an energized position, the packer element system being configured to seal the annular space between the FAC tool and the well casing when in the energized position; and a slip syste (70) comprising at least one slip, the slip system configured to lock the packer element in the energized position.
    公开号:DK201300150A
    申请号:DKP201300150
    申请日:2013-03-15
    公开日:2013-03-15
    发明作者:David H Harris；Gareth D Sonnier；Behr Douglas Julius；Gray-Stephens Malcolm
    申请人:Baker Hughes Inc；
    IPC主号:
    专利说明:

    BACKGROUND OT THE DISCLOSURE
    'Field of the DISCLOSURE
    [0001.] The present DISCLOSURE generally relates to a nodti-purpose fill and circulate too few tool for use in well sjthd; more speciricallf, to a FAG typhony pricing ofMfeing element system for use during high pressure events.
    Description. of the Belated Art 0002 The process of dnlting; subterraneao wells m recover oil andgasTfom hydrooarbor reservoirs includes drilling a hole in the earth down to the petroleum accumulation and instaltthg; p | p ;; fi the reservoir to the surface. A casing is used as a protective pipe veneer within the well bore. The easing can fee run into the well bore one seetton at a time. On occasion, the casi n g becomes ahd i s O the well bore. W hen this occurs, It is eonin ^ P: practice to increase the load on the casing string to force the casing into the wellbore, or drilling Sulci can be circulated down the inside diameter of the easing and out of the easing into the annulus In order to tree the easing ten; the wdlhorrn To aceornpltsh this, it has traditionally been the case that special rigging be mstalled to add axial load to the casing string and / or to teliM © ^ cireulafmg the drill mg fluid. Porexample .. a top drive unit that can apply both torque and mechanical load: it can operate at three the easing into the wellbore.
    [9603! Wc «running easing, drilling imd is genOraiiy added to each section as it is run into the well. This procedure is performed to prevent the required collapsing due to high pressures within the: wellbore. The drilling laid can also act as a lubricant to facilitate lowering the easing within the wellbore .. The drilling fluid is often circulated in the casing and well bore when resistance is experienced as the casing is lowered into th ewe I! drill. One order to circulate the (felling fluid. The top of the casing is sealed so that the casing: niay be pressurized, 0004 It is well known In the art to employ a FAC idol ιό seal the top of the casing: #hen adding, thctdriilingtSuid to the wellbore; The FAC tool is inserted into, (heio of the eas-i ng..as it is run into the well, A top drive unit connects to the top: end of the FAC tool and is used to drive the FAC tool and casing into the well, Drilling fluid, such as drill smoke mud, is injected into the well casing thetetigb an axial fiovvpath in ihe FAC tool.The FAC tool genera! Iy includes packing elements, such asa packer cup, a low pressure This can prevent the drilling fluid from spilling the amount of drilling fluid that is spilled from the top of the casing and allows the pressure to be pressurized to measure the drilling fluid, 0005] the casing into the wellbore, pressures experienced by the FAC tool are generally relative ly iow, :( e, g, s less: than about: 1000 pxi). However, periodically, l pressures can increase to over 1000 psi, such as 5,000 psi or more. When this occurs, the high pressure: on the FAC tool is too large for the low pressure seak and may cause excessive leakage of the drill ting fluid to the wellbore, which can be costly and harmful to both the envMipment and to well rig operators . In some cases a high pressure event can push the FAC tool: right out of the wellbore, potentially causing darnap to the FAC topi or drilling rig of barm to the drill rig operators. pciifej 0006 When a high pressure event is sensed, the well rig operators will generally have a set of safety protbeois that can reduce the risk of harm caused by the event. However, the amount of time between when the high pressure eveptis sensed and the pdiW at which the packer cup on the FAG tool falls can be relatively short, in some cases, because operators may not have sufficient time to carry out the appropriate safety protocols before damage occurs. 2 or at least, reduce the effects of pit ] The present disdosufe is directed to overcoming. one or more of the issqgs set forth .above:. POM] An embodiment of the present disclosure: is: directed to a FAC tool for use in a well comprising a well easing. The FAClbol includes a top drive connection for coupling the tod: to: a top drive; a push plate: a telescoping section coupling Hie push plate to the top drive connection; a packer cop configured to seal an annular space between: the: FAG tool and. the: well easing: when the packer cap is energized; a packer element · 'system. pricing at least one packer mbveaMe between a locked position in Which the at least one pack is nob energized, arid ah energizedpositron, the packer element system belngtoonfigured to seal the antmfar space between the FAG tool: aod the well easing when. In the energized position:; and: a slip system comprising at least one slip, the slip system configured to lock the packer element in the energized position.
    Another embodiment of Representation disclosure is directed to a method of operating a FAG tool engaged in a well easing of a Well The FAC tool composes a top drive eOithection tor eouplingtoe tool to a top drive; a push plate * a packer cop configured to seal with annular space between the FACfiqdFrøli.théiMitøliiiPé: when the packer cup is energized: a packer eiement system comprising at ieastone packer moveable between a locked position, in which the at least one packer ismot energized, and On energized position, the packer clement system being configured to seal the annular space between the FAG tod and file well casing when in the energlzed posittpn; and a slip system of smoke at least one slip; toe slip system configured to lock the packer element in the energized poggpr: the method comprises: sensing a high pressure equator; unlocking the packer dement: system; moving the at least one packer tn tbe -energised phsifrø; and deploying the al Mst one chip to lock 1M at least ode packer lp the energized position, [0.0I0J Yet another embodiment of the present disclosure is directed to a .hiethqd.% operating a hittttttpprpase fsll and circulate; tool RFAC took) engaged in a wel l casing of a world. The eOinpriSOS method; sensing a high: pressure event, uni Beijing and packer our system of the FAC tool ;,: the packer; element sptern eomprislhg .at: at least one packer; moving the at least one packer to an energized position: and deploying at least one slip to secure the FAC tool in the casing; the slip system retains the at least one packer in the energized position.
    LETTER PEIOMPTI0N OF THE DRAWINGS
    [01111: 1 ffif I illustrates a: schematic drawing of a. FAC took according to: a® embodiment of the present: di selasiire, {β $ ^ fIQ * Idilustrates a schematic drawing of the FAG tool of FIG, 1 in which a packing element system has been energized, according to an embodiment of the present disclosure, FIG. 3 illustrates a schematic view of a FAC tool positioned for running in hole ,, aceoMirtg to an embodiment of the present d i se I topic.
    [§014j FIG. 4 illustrates a schematic view of the FAC tool of FIG; 3 with high pressure eompdfiedts activated,: according to m embodiment of the presentdiselosure. | O015 | BIG · 5 iiiuMratea a schematic view of the FAC tool of FIG. 3 in a flowhack position, according to an embodiment of the present disciosure.
    [0M6f FIG. 6 illustrates a schematic view of an F AGtodl coupled to a top drive during a run-in operation, according to an embodiment of the present disclosure, Å [00T7] FIGS. 7 and I illusirate's plan view on Tsiøt system positions, according to evidence in the merits of present disclosure. f0018J While disclosure la susceptible to various raod: ifjeltiéfiS: ahd alterative form ®s: speeiBh: ombod | meiH $; Have been shown by way of example in the drawings and will be described in detail. Herein * ·· However> itahouldM understand that fee dlsciosufeds mot Intended to be liuied to the particufer ifQqms ^ diSeiosed, ilafher ^ the inteiitiQn isto; cover all . mqdffioatipnw equivalents and alternatives falling within the spirit and scope of the disclosure ar defined by the appended eiathiS :,
    DETAILID DESCRIPTION | 00f 9 | FIG. 1 shows one embodiment of a multipurpose FAC tool 100 positioned within a segment of easing 5, As discussed afcwtothe FAC tool I fill is positioned in the upper rnost section of easing as the casing section 5 is run into the: wellbore, The FAC tool 100 provitksibr a pathway for the iryoetion of fluids, swtilt as drilling mud, into the casing 5 'positioned Into: the wellborn. Drilling mud Is pumped into the easing string to help prevent Mure of the easing due to the hydrostatic pressure within the wellbore outside of the easing string- The easing string: includes a Heat shoe (not shown) located at the bottom section of the casing string , The float shoe includes a valve, such as a check valve, that prevents the flow of wellbore fluids into the casing string, [(10201 The FAC tool 100 may be connected to the uphole end of a casing section 5 that is run into the casing string The FAC too! TOO is inserted into the uphole end of the easing section 5 until a push plate TO is positioned against a: casing collar, or casing joint, 6. The casing collar 6 provides a connection; The push 5 plate: 30 is adapted to fully integrate the FAC topi, IP # into the hone Of the casing string, Ihe push piste 30 ifOoPnected td: a telescoping section 20 which extends above the push plate 30 to a connector 10 adapted: to connect to a top drive (not shown). The flush section 20 extends through, and is movable with respect to the push plate 30. Use tap drive may be used to rotate and insert the casing string during insertion into the wellbore. The weight of a typical top drive, which may be between 40,000 lbs and 120,000 lbs for example, is typically sufficient to retain the FAC: tool 00 00 within the bore of the easing segment 5 when ordinary pressure exists within the here, which may: fee between: 160 psi an d 500 psi and generally does not e lted, 000 psi. fOOSf The FAC tool 100 provides a great deal. element 50, which may generally be a -cap-type packing element prilling m ud may: punipeddowh through the drill of the FAC topi 100 and out of a port Of of arøodsaverwafve assembly #: 5, wh ich inciudcs a chec | · valve (not shown :) that prevents flaw of fluids dpthfough the bore of the FAC tool 100. The packing element SO engages the inner bore of the easing: segment I, thereby providing a seal; that prevents the flow of drilling mild, and / or fluid / dp: did annulus beiWgfehtho: FAC tool 300 and the inner bore of the easing 5. The packing element: 5: 0 lsrtypibally: '| dfSol ^ f to-seal against thecasing 5 unless the pressure within the casing string increases above normal: amounts such as S.ØG psi. | if) 23: i In the event that the: valve in thC; float shoe falls or a portion of the: easing fills, the pressure within.the bore of the casing string .may increase above normal amount ^ such as 50: 0 psi to 1000 p $ i ,, exerting .a; large force upon the FAC: tool 100 inserted into the top end of the casing string. The upward force exerted against theTAC tool 100 may exceed the weight: of the top drive being; used to retain the FAC tool 100 within the casing segment S. for example, a pressure 6 of 500 © pst within tfeiå: 12 '4 inch bearings of 13' 3/8 inch .basing; may exe «, atorce on the MC 'for 190 that ipeeeds 500,000 lb *. In this instance, the weight: of the top three is not sufficient to: retain the TAC tool 100 within one of the segment S, Further, the Qpeilti. Sealing; CioraeathSI, such as a cup type sealing unit used on FAG tools cannot withstand pressures within the casing string that exceed approximately 1000 psh Failure: permits fluids within the easlngjsh'ing :, such as drilling mud and fiow fpt the sealing element 50 and out of the easing string.
    The method of FAC tool 1 00 shown in FIG. 1 iueludes domponents to reduce or prevent the flow of fluids out of the easing segment and to retain the FAC tool 109 within the casing segments in the msMhce of ele vated pressures within the easing string due to failure of the float shoe and / or the failure of the easing segment within the wellbore, "The FAC fool 100 includes a packing element (s); 80 which is adapted to provide a seal agaifist: the inner diarrhea of the easing segment at increased pressures of above 1000 psi, such as: 6,500 psi, or 10,000 ps! Or more. One or more packing: elements can be used, such as two, three or more packing elements. The $$ packing element may offer a service packer type that may be energized upon application; ; set down weight as described: below: In an embodiment, the packing element may be unlocked upon rotation of the; tpp drive prior to energizing the packer. The pueking element: SO is adapted to provide a seal between, the: FA 'C too] 100 and casing 5 at elevated pressures in the easing siring, poténtiUi! y: due: to fdiluré, as: discussed above.
    The FAC tool lOO incorporates a slip system 70 which may be actuated; To retain the FAC tip 1:00: from set position With the casing segment 5. The Slip System '70 is used to rectify the FAC tool 100 by fhlstposlti'on. to ensure that the packing element 80: remains energized. The slip system: 70 mdy include coaveufioMl slips and cones used to set a: tDol within casing: and / or tubing as would be appreciated bf one fifteen Ordinary Skil) in the art having: the- benefit of this disclosure. In another case, the slips are biased »: such as with a .spring, so as to be forced into a position to loci: the pMkér element 80 {n an energized position when the load on the FA € tool is increased, lire use of the packing element 80 and slip system 70 may be used together to prevent fluid flow up to fit the FAC tool TOO and retain the -FAC tool 100 within easing f when elevated pressures exist within the easing circuit. (0021]% minilizo wear and lsar oftheipacklng property 80 and / or slip system 7% these components may be locked and not actuated during normal filling operations of the FAC tool. 100. When an increase in pressure; unlock the components to prevent failure of the seal ahd / or blow dutofthe FAC tool 100. One embodiment of the present disclosure is a method to unlock and actuate the high prepare elements of the FAC tool in 00.PIG ..-% shows the FAC tool 100 with the packing element SO actuated and the slip system 70 engaging the casing S.
    [0627] To unlock the components, the top drive weight m slacked off against the posh plate 30 and the (psftg eoHdr d. The amount of weight slacked off may be adapted based on the various designs of the FAC tool 100. For example, the weightslacked off may range from about 10,000 toabout It) JQt) lbs. The components may then be unlocked by rotation of Lite FAC tooi 100. An upper eonfiol potion 40: of the FAC tool 100 may include a structure that facilitates unlocking of the packing eterpéEit 80 and slip system 70. The structure located in the upper control section 40-mayb% for example, a1-slot system or course thread, by one of ordinary skill in the art having the benefit of this disclosure. 'Phe number of rotations needed: to unlock the components as well as the rotation direction may be varied as desired to unlock the components. Such control .sfieiifihksPi generally well known in. the art. $ 028] -Once Unlocked, a weight weight may then be applied to the pAC tool 100. In one embodiment, the weight of a top drear can be used to shear device 72, such as: a shear Mng or screw, as In an embodiment Illustrated in FIG. 4 * This allows the weight from the top drive to iswith teteseoping section 20 downward to energize the packing: element 80 against the inner bar: of the; case A.thereby providing a higher predsurd ^ iJitii.tlifedi ^^ ling element.50:. {0029} FIG. 2 shows the packing element SO of FÅG tool TOO in an energized state:: aghhtst åe dasihg X The slack-off weight: will eatise the downward travel of ttri. FAC 'idol: i ¢) 0 to energize the packing element 80 :, Ghee the: paekiiig eiemept-SO: is epergized, the opemidr cap sets the slip system 70 against: the · casing 3 to retain the .FAG tool ΓΟΟ in this position thereby allowing the paling etement W. to remainyengrgized Alternatively, the slip system may be aClUatedi simnltanedusly with: ehfergizing the packing sy The slip system 7 () may be set by the rotation of the FAC tool! 00. Fdf exaffipieAhe: FAG tool I 00 can be rotated in the direction opposite to the direction rotated to unlock the high pressure components. A middle control section 60 of the FAC tool 100 may use the eompohems used to set the slip system SO against the casing 5. For example, the τοίοίΐοη of the middle section 60 may force the slips to travel along the cone tamps causing the slips: to: expand outwards and engage the casing 5 as would be appreciated by one of ordinary skill in tile art, | 003it | After the slip system 70 has engaged the casing, the FAC tool 100 may include a further section 90 which may be actuated by the FAC tool 100 and prevent further rotation an <For movement of thoteksooplng section 20 of the FAC tool 109:. Pull down the FAC tool 100, the top drive may be rotated and moved downward, causing the telescoping section 20 to rotate through an i-slot system located in the lower control section 90, thereby locking down add pres ¥ eatin: g3 ^ td.entafirel ^^ 'irt # FAC tool lOOfTSth repeated rotation and 9' downward movement ofthe telescoping section 20 of the FAC tool 100-: results in a decrease in ..the distance between the push pi ale 30 anellop drive connector ID. shown in FIG. 2nd
    AltemaOvel ^: rather than employing; ipiddfeaiidlower control sedlens, as described above, the FAC tool could be designed ltd only a slugte control sefehCrbe single control section could perform ail tire ftmefions pftlie upper, middle and lower control sections: (e, g ,, unlock, the components, set the slip system 8.0 'against the casligiS,: and lock the FAC fool 100, as deserfbedlabovo ^ Such control systems ate · well known, [β. 032; | After the high-pressure event: im been: eontroiied, the. Operator may desirete Amove the locked: down FAG toot! | 3Q, To remove the locked, down. FAC tool 100, one method may reverse rotation of the FAC : tool temove outof the j-lock locksdn ^ the lower control section 90to unlock ike telescoping sedtloh 20 offit © FAC tool! 00 Once unlocked, a.top drive weight may be applied to shear release the FAC topi 100 (a shear down A straight puli up on the FAC tool 100 can be employed to Mreteh out the tool and de-energize the pa cker element 80 and release ^ the slip ^ sterrii 70 Worn casing 5, thereby permitting the FAC 100 to be removed from the casing. Alternative types of releases could include a shear up mechanism or other mechanism does not involve rptatien Of a JMot to unlock and / or release, Still oirer releasing means could include unscrewing out of large acme thread or other thread prolie, 100331 Another embodiment of a FAC tool 200 is iilLisirated% FIGS. 3 to 5, FIG. 3 illustrate a view of the FAG tool 200 positioned for running in a hole. During ruh-M dpefali ohs ^ the FAC: tool 200 can be coupled to the bottom of a: top drive: 98, as illustrated, in FIG; 6. When the F AC tool 200 is run into the Mil, ilte: RSP dOmpOnehls · te-g ,,. slip mechanism,: packing elements) are locked, similar to those described above for FAC tool 100. £ 0034] FAC toot 200 includes é ::: s®etion20 ,. a push pl ate 30, a slip. syident 70 and packing-dementis :) '· M * similarly as> deaciiifced in the above embodiment A paekércdp "50.is psitioaed over the lower eon; trø; t system (not shewn in FK3. $} and below pacÉing: elemeri: F system 80, A. mudsaver valve assembly 95 and part 90 ar® aiso included, similar to the FAC tool I GO. Itv aa embodiment, t: he length of the mudsaver valve nssetohly 95 can be reduced compared to the mudsaver valve assembly 93 in HG I. (0035} By positioning the packer cup 50 over the lower control system and reducing the length ofthehidsaver valve assembly 91 * | $ total length effte .FAC tool 200 can be reduced. may be reduced by 2D% to: 30% or snore relative to FAC tee! 1Q0. By reducing the length of FAC tool 200 relative tp FAC tool 11) (person a person 99 on the rig; door will not.have to be high in the: air to Operate the: power tongs: 101 of the rig; See FIG; 6. Asia well known, the: power tongs 10T are used to rotate each joint of 'casing and make it up into the joint of easing that was just run .through the drill floor. (00361 bt tire ordinary course of operationFAC tool; 200, the tool is peafedly stabbed Into jotois of casing. Because the packing element fO is positioned below the pacMngelements 80, it may be possible to stab only a lower portion (eg, about 25 to about: 30% of the length of the 1AC tool into the casing, so that the FAG fool extends j.0St "H» enough tp -get packer cup 50 to seal. Inserting the packer cup SO wiihdtffrihsertinf fhe packingreiéraehts; 80 can provide snffeiui : Proieetio ^ in a typical operation where a well control event is not occurring In addition, wear and Mr caused by rubbing / dragging on the packing element system 80 'and: the slip system may be reduced, (0037] The one or raampackkig elements: 8: 0 may be a: service pauker type that may fee. cnergMd upon application of a set: tiovm.wéightAs. described above with respect to FAC; tool FIG, 4 illustrates; th: FAC tool 200 with the packing elements 80 in the energize «position with tteislip system 70 set; PSS ] In an embodiment, ire FAC tools of the position, FIG. 3 'Illustrates a flowbaek position for the FAC tool 200. The: flow hack position allows flow from, the well to be released through the flow1 omss 202. to relieve: pressure thorn below. Alternatively * fluid Cali is pumped in through tSie flow cross 202 and down through tlte: mudsaver valve assembly $$ <fl> 03 >] Lire fiowbhek position allows: the flow to bypass: the check valve in the ntalsévér valve assembly 95. AMr Tire; high pressure compopenlSdiQye: leg; energized, the telescoping section 20 can be: adjusted for a position that allows: fluid to bypass the cheek valve and come up through a fiowhack path 4:22 to the: surface. In: an embodiment, the telescoping section 20 may include a port 424 capable of telgotRgvWith: a-åowbaek conduit 42b that: is in fluid connection with the wellbore: below the packing elements 80 via a port428, when the telescoping section 20 is positioned to align the port424 with the flowhack conduit 42¾ high pressure fluids below the FAG tool can bypass the mudsaver valve and flow up to the surface through the port428, the flowback conduit 426 and the flowback path 422, Any other suitable configuration that is capabteof ; providing flow of high pressure fluids flushing the FAC fool. he should be employed in place of the flowbpk configuration: illustrated, [00401 FIGS. 7 and 8 Illustrate plaiivtews of examples of 3-slot positions for an embodiment where an Asiat system l | employed,.: The j'-siot system can include a fog.432 positioned oh the telescoping section 20, Thelug 432 can traverse a track. 434 that is configured foplaee the components of the; FAC tool in various desired positions, including: position a, Which is the run-imposition ns shewn in FIGS. 3 and 7; position fo in which the high pressure 12
    Components are activated SlitM: hiTiGSM and f: position c>: which igxthfeiv ^ ba.ck: positjiO'-n. as shown in FIGS. 5 and Si and a position d (as shown in FIG: 7). in which the · nigh pressure1 components; are unlocked and ready before retrieval. lii ah embodiment, the I ^ lot system can raei-ude a. shear up pésMéé ^ méf'ét a shear down position ^ (shown in FIG, 8:} in wfekh upward ordownward Éi ^ '^ fespetiyeiy, he can apply to shear a release ntedtamsm that can al low the tool .to be rel eased from the wellbore Such shear release nieehaiii sms are 'well known in the art P®41 | The hack 434 of the j-siot system ean he positioned in or connected to a mandrel 416 which is attached to the push plate 30. The mandrel 436 cars are attached to the push plate in any suitable manner, such as by welding or by threading it onto the push plate 3p. The lug 432 cun traverse the track 434 of the mandrel 436 to move the FAC tool between the various positipnsds illustrated in: FIGS. 3 to 5 and 7 to 8.
    [Ϋ041 | Although various embodiments have been: shown in red, the present disclosure is hot so limited and will include: dll such: iitodifscaiions add variations as would be apparent; one skilled: in the art.
    权利要求:
    Claims (8)
    [1] 3. The tool of claim 1.,. further comprising a lower valve assembly positioned: below the .packer element system,
    [2] 4. The tool of Ciatfn I, wherein the FAC tooI eomprising an inner flow path extending from the top drive connection through thclswer valve assembly, thereby allowing fluid to flow through the FAC:;tpo i and Into the well. -14- DK 2013 00150 A1 S; The tool of claim 1, wherara aw upper control section is positionédiibéiÉweenihe push plate and the packer cup- '&. 'The tool of claim 1, wherein a middle centred section is positioned between: the packer cup and the slip system. The tool of claim 1, wherein a fewer control section: is positioned between the packing elemenfsystem and thrvalve assembly. ·$, The tool oficlahn 1J: wherein the packing element system eoniprisesa plttraiity of packers.
    [3] 9, The tool of claim: I, wherein the packer clip: is positioned he low the packing element system.
    [4] 10. Tht tool of claim 1,. tufthef comprising a finwback path that is. configured to a!low fluid to be released from the well below the packers of the packing element system when the packing element system is energized. I 1.,A method for operating a nmlti-purpose fill and circulate too! (;iFAG: ΐοοΓ) engaged in a well easing of a welk the FAC tool comprising:: a top d r i ye; connection for coup I i ng the tool to atop drive; a push plate;: a packer cup configured to seal an annular space between the FAC tool and the well casing; when the packer cup Is energized;:: a packer element system comprising at lea stone packer moyiabie between a locked position in which the at least one packer is opt snet^izeefi and an energized position, the packer element system being configured:to seal the annular space between the FAC tool and the well casing when in the enei^ized position: and DK 2013 00150 A1 a slip system ooniprisihg .atleast one sli^the^]ip system configured^ tå seenfe thdTAC tpøl lit the easing, Wheteilvf hé method comprises: sensing a high pressure event; Mlocking the: paeksr element system;: Moving the at least'one packer to: the: energized position; and deploying the at least one slip to: secure the FAC tool in the easing; the slip system retaining the at least one packer & the. energized position,
    [5] 12. The: method of claim 11 i: wherein an upper control section i s pos itioned between the pash plate: Md the packer cop.
    [6] 13. The method of claim 11. wherein a middle control: section is positioned between the jsaete Cup and the si ip system,
    [7] 14. The method of claim: 11, wherein: a lower control section is positioned between the packing element system: and the valve·, assembly. IS:. The method oTclaim: 11. wherein the:: packing: element system comprises: a plurality of packers; 14 ilte method ofclaim f 1;.„.tysithefrei.h:::ti:nibøiiCui.ig;·the- packer comprises reducing a load on. and rotating oil the FAC tool i 7, The method, of Claim 1.1,:wherein moving: the: at least one packer to the energized: position comprises increasing a lead; on the FACtooL 1 lb the method, of claim: 17,. wherein: the: slips: are: biased so as to be forced into a position to secure the FAC Tool in the casing when the load On the FAC tool is Inetsased, DK 2013 00150 A1 I % The method oft claim i I , ftrrther cpmpHsihg: locking: å telescoping; section of the FAG had after deploying the at least one slip:, 2fty The method oft claim I i,;fiitther^^pffeing:;iemcj^htg the FAGipsi from the casing. HVThe. method of claim II, tether comprising: éiju&ing. the FAC tool I# at ftowbadk position; 10: al low fin id to be released from the· Well betow: the packers of the packing element system. when·the.fiaefckrg element system k-energixed,
    [8] 22, A method for operating a mufti-purpose till and circulate tool (“FAC took) engaged in a well casing of a welU the. method comprising: setisliig a high pressure event; unieeking h påsker element system of the FAC took the packer element system comprising at least one packer; moving the at least ope packer to an energised position;, and deploying .at; least one slip ΐ© secure the FAC too! in the casing, the slip system: retaining the at least one packer ih: the energized position.
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    EP1519003A1|2005-03-30|Removable seal
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    同族专利:
    公开号 | 公开日
    BR112013006376B1|2021-01-12|
    AU2011301878B2|2014-07-10|
    CN103109035B|2016-09-21|
    GB2497014A|2013-05-29|
    MY161003A|2017-03-31|
    AU2011301878A1|2013-02-14|
    GB201301643D0|2013-03-13|
    CA2808136A1|2012-03-22|
    DK179974B1|2019-11-25|
    BR112013006376A2|2016-06-28|
    CN103109035A|2013-05-15|
    NO20130196A1|2013-04-11|
    NO346075B1|2022-02-07|
    US8714271B2|2014-05-06|
    US20120073832A1|2012-03-29|
    WO2012037521A1|2012-03-22|
    GB2497014B|2018-07-18|
    CA2808136C|2015-11-24|
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    法律状态:
    2019-11-25| PME| Patent granted|Effective date: 20191125 |
    2021-06-04| PBP| Patent lapsed|Effective date: 20200916 |
    优先权:
    申请号 | 申请日 | 专利标题
    US38421010P| true| 2010-09-17|2010-09-17|
    US38421010|2010-09-17|
    US2011052035|2011-09-16|
    PCT/US2011/052035|WO2012037521A1|2010-09-17|2011-09-16|Multi-purpose fill and circulate well tool|
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