• 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:
    system and method for measuring tube. a system and method for measuring a tube is provided. the system includes a frame which rotatably receives the tube, a carriage which can be movably positioned along the frame, a guide which can be floatingly positioned around the carriage, at least one sensor for measuring a position of the tube, and a measurement unit operatively linked to the sensor to collect measurements from the sensor. a guide has a mouthpiece that receptively engages the tube and aligns itself axially with it. the tube is measured with the sensor(s) while moving at least one of the tube, carriage and guide.
    公开号:BR112014014726B1
    申请号:R112014014726-4
    申请日:2012-11-30
    公开日:2021-08-24
    发明作者:Kevin D. Logan；Andres C. Rodriguez；Claudio Aguirre；Clive C. Lam
    申请人:National Oilwell Varco, L.P.；
    IPC主号:
    专利说明:

    BACKGROUND
    [0001] This invention relates generally to techniques for measuring tube. More specifically, the invention may relate to techniques for measuring dimensions such as the outside diameter of a drill pipe used in wellbore operations.
    [0002] A wellbore can be drilled to reach subsurface reservoirs containing valuable hydrocarbons. To form the downhole, a downhole drilling tool with a drill bit at one end of the downhole can be advanced into the ground. The drill tool can be extended into the ground by threadingly connecting drill pipe pieces together to form a drill string. The quality of the drill pipe, such as the consistency of the shape (eg, outside diameter) of the drill pipe, can affect drilling operations. Variations in the shape of the drill pipe can affect, for example, the rotation of the drill pipe during operation, which can also affect the operation of the drill tool and/or drill bit.
    [0003] Techniques have been developed to check the quality of drill pipe. In some cases, drill pipe inspections can be carried out to verify, for example, the total length and complete body measurements. Such inspections may involve measuring an outside diameter of the drill pipe using, for example, handheld micrometers, lasers, electronic measuring devices, sensors, etc. Drill pipe outside diameter measurements can be made using either contact or non-contact methods. Examples of tube measurement techniques can be found in US Patents/Applications Nos. 6862099, 5867275, 5043663, 5867275, 6272762, 6745136, 6772636, 6931748, 6904690 and 2011072905. SUMMARY
    [0004] In at least one aspect, the exposure refers to a system for measuring tube. The system includes a frame which rotatably receives the tube, a carriage which can be movably positioned along the frame, a guide which can be floatingly positioned around the carriage, at least one sensor for measuring a position of the tube, and a measurement unit operatively linked to the sensor to collect measurements from the sensor. A guide has a mouthpiece that receptively engages the tube and aligns itself axially with it.
    [0005] The frame has an upper portion and a lower portion, the lower portion having rollers that rotatably receive the tube. A guide is suspended floating from the cart. The sensor includes at least one cart sensor that detects a position of the cart, a plurality of guide sensors that measure tube displacement, and a rotary sensor that measures a rotational position of a marker on the tube.
    [0006] In another aspect, exposure refers to a system for measuring tube. The system includes a frame having an upper portion and a lower portion, a carriage that can be movably positioned along rails of the frame, a guide suspended floating from the carriage, a rotary sensor that can be fixedly positioned on around the tube to measure a rotational position of a marker on the tube, and a measurement unit operatively linked to the trolley sensor. The lower portion rotatably receives the tube. The upper portion has rails positioned at a distance above the lower portion. The cart has a cart sensor that detects a cart position along the rails. A guide has a mouthpiece that receptively engages the tube and aligns itself axially with it. A guide has a plurality of guide sensors that can be positioned around the tube and measure a displacement of the same. The guide sensors and rotary sensor collect measurements.
    [0007] Pipe is a casing, drill pipe, pipe, risers, or pressurized pipe. The lower frame includes rollers to rotate the tube. The cart includes wheels to move the cart along the rails. Cart includes a universal joint to float-support a guide and/or a pneumatic cylinder to float-support the guide. The nozzle of the guide includes a triangular recess, at least one alignment roller, and/or a contoured recess complementary to an outer surface of the tube. The measurement unit includes a database and a processor. Guide sensors include lasers that emit a laser beam on opposite sides of the tube. The guide sensors are each supported on a guide by adjustable supports. The trolley sensor, the plurality of guide sensors and the rotary sensor each have at least one encoder. The system also includes an ultrasonic sensor that can be operably connected to the cart to measure tube and/or drive roller parameters over the underside. Measurements include an outside diameter of the tube.
    [0008] Finally, in another aspect, exposure refers to a method for measuring tube. The method involves providing a system for measuring pipe. The system includes a frame which rotatably receives the tube, a carriage which can be movably positioned along the frame, a guide which can be floatingly positioned around the carriage, at least one sensor for measuring a position of the tube, and a measurement unit operatively linked to the sensor to collect measurements from the sensor. A guide has a mouthpiece that receptively engages the tube and aligns itself axially with it. The method also involves measuring the tube with the at least one sensor while moving at least one of the tube, carriage and guide.
    [0009] The method may also involve determining an outside diameter of the tube along a length thereof and/or determining parameters of the tube. The method may also involve at least one of rotating the tube around the frame, movably positioning the carriage along the frame, and engaging the tube with a guide so that a guide is suspended floating around it. BRIEF DESCRIPTION OF THE DRAWINGS
    [00010] System modalities and method for measuring tube are described with reference to the following figures. The same numbers are used throughout the figures to reference the same features and components.
    [00011] Figures 1.1-1.3 are schematic views of a system for measuring pipe.
    [00012] Figures 2.1 and 2.2 are schematic views in perspective and front, respectively, of a portion of the system in Figure 1 representing a support and guide.
    [00013] Figure 3.1 is another schematic view of the system represented in Figure 2.2. Figures e 3.2 and 3.3 are schematic views of the system in Figure 3.1 with alternative guides. DETAILED DESCRIPTION
    [00014] The following description includes apparatus, methods, techniques, and example instruction sequences that incorporate the techniques of the present invention. However, it is understood that the described modalities can be practiced without these specific details.
    [00015] The present exposition refers to techniques for measuring a pipe, such as a casing, a drill pipe, a pipe, a riser pipe, pressurized pipe or other tubular components. The tube can be supported on a frame, and rotated for measurement by sensors to determine, for example, the outside diameter of the tube over a length of tube. Sensors can be those that can be positioned around the tube on a guide for alignment with a tube axis. Sensors can be supported by devices, such as carts and guides, that are positioned out of the way of certain equipment. Measurements can be used to verify pipe quality, to assess pipe performance in advance, and/or to detect potential pipe failures (eg, deflection), among others.
    [00016] Figures 1.1-1.3 show a system 100 for measuring a tube 102. The system includes a frame 104, a cart 106, cart sensor 108, guide 109, guide sensors 110, rotary sensors 111, and measuring unit 112. Frame 104 includes an upper portion 114 and a lower portion 116. As shown in Figure 1.2 (and schematically shown in Figure 1.1), the lower portion 116 is one that can be positioned on a floor 118 to movably support the tube 102 on the same. The lower portion 116 has supports 120 for receiving the tube 102, and motorized rollers 122 for rotating the tube 102 around the lower portion 116. The tube 102 can be positioned over the supports 120 and/or rollers 122 using, for example, feed by gravity, advance and reverse arm assembly, a winch or crane. Brackets 120 and rollers 122 can be shaped and positioned to facilitate movement of tube 102 therealong, thereby facilitating the positioning of tube 102 in frame 104. Rotating sensor 111 can be positioned around bottom portion 116 of frame 104 to measure tube 102 when it is rotated.
    [00017] Figures 1.1 and 1.3 show a portion 1.3 of the upper portion 114 of the system 100. The upper portion 114 of the frame 104 is positioned at a distance above the lower portion 116 and supported on legs 124. The upper portion 114 has rails 126 extending along a length of it. Rails 126 are configured to slidingly receive carriage 106. Cart 106 can be movably positioned along rails 126 for interaction with tube 102 positioned below.
    Cart 106 has a guide 109 suspended below it to engage the tube 102. The cart 106 has the cart sensor 108 thereon to measure a position of the cart 106. A guide 109 has guide sensors 110 for measuring an interstice between each guide sensor 110 with respect to a surface of the tube 102 when the carriage 106 translates along the rails 126. The carriage sensor 108, the guide sensors 110 and the rotating carriage sensor 111 (as well as other sensors and devices) can be operably linked to the measurement unit 112 to capture and/or process measurement data and/or other data collected by the various sensors. The measurement unit can also be used to control the operation of the various sensors and other equipment of system 100.
    [00019] The trolley 106 can be positioned around the upper portion 114 of the frame 104 to support a guide 109 adjacent to the tube 102. In this position, a guide 109 and sensors 110 are positioned at a distance from the lower portion 116 of the frame 104. With rollers 122 positioned under tube 102 to support and rotate tube 102, carriage 106 and guide 109 can be positioned above bottom portion 116 and out of the way of rollers 122 (and associated mechanisms) to prevent interference with the same.
    [00020] Although Figures 1.1 and 1.3 depict cart 106 with a guide 109 floating above the tube 102, in some cases other configurations may be used, provided that the cart 106 and guide 109 do not interfere with the operation of the other portions of the system 100. In order to obtain outside diameter measurements of tube 102 over the total length and circumference of tube 102, either tube 102 rotates around the sensors (for example, as shown in Figures 1.1 and 1.3) or the sensors rotate around around the tube (for example, the guide sensors can be rigidly mounted and the tube 102 moved along the lower portion of the frame 116). In any case, the sensors that perform the outside diameter measurements may have a clearance around the tube 102 in order to accommodate moving parts (eg rollers 122, moving sensors, lift arms, or other rotating mechanical detectors) or a path of guide sensors 110 (e.g. the light path for the laser beam in the case of collimated laser beams).
    [00021] In the configuration shown in Figures 1.1-1.3, tube 102 can be rotated by rollers 122 when carriage 106 translates back and forth along rails 126. A guide 109 engages tube 102 and takes measurements with the sensors of guide 110 when a guide 109 passes therethrough. In some cases, the tube can be translated along the lower frame 116 to past a guide 109 and its sensors 110 for measuring the same. Various combinations of carriage 106, guide 109 and tube 102 movement can be configured to provide the desired measurements.
    [00022] Figures 2.1 and 2.2 schematically represent a portion of the system 100 of Figure 1. As shown in these figures, the cart 106 may have a body 230 with wheels 232 and the cart sensor 108 thereon. Body 230 is movable along rails 126 via wheels 232. Carriage 106 can be axially positioned relative to an X axis of tube 102 by movement along rails 126, as indicated by a linear arrow.
    [00023] The trolley 106 can serve as a mounting platform for floating a guide 109 around the tube 102. A guide 109 is supported above the tube 102 in a position of engagement with it when the trolley 106 translates to the along the rails 126, thus moving a guide 109 along a length of the tube 102. The carriage 106 can provide a reference defining a position along the tube's X axis and between the carriage 106 and the tube 102 via the sensor of cart 108.
    [00024] A guide 109 has a nozzle 238 for receiving engagement with an outer surface of the tube 102. As shown, the nozzle 238 is a triangular shaped recess along its length that can be positioned aligned adjacent to the tube 102. nozzle 238 can be of any shape to receive the tube by receiving and aligning with the X axis thereof when a guide 109 moves along the tube 102. Figure 3.1 shows another view of the guide 109 and the nozzle 238. The nozzle 238 can be formed from plates at the ends of guide 109. Figures 3.2 and 3.3 show alternative guides and nozzles that can be used. As shown in Figure 3.2, a guide 109' may have a nozzle 238' with a contoured recess complementary to the outer surface of the tube 102 for receiving the same. As shown, for example, in Figure 3.3, a guide 109" may optionally be provided with alignment rollers 339 or other alignment mechanisms to engage and align tube 102. One or more guides 109, 109', 109" may be provided for use with the 100 system. The 109' and 109" guides may function similarly to the 109 guide described here.
    [00025] Referring back to Figures 2.1 and 2.2, a guide 109 can be positioned around the tube 102 for floating engagement therewith when the carriage 206 translates along the rails 126. A guide 109 can be connected to the body 230 by connector 236. Connector 236 may include, for example, a universal joint (or other device) to allow movement of guide 109 in various directions, such as in the X and Z planes (for example, as depicted on the axis of the Figure 2.1). A pneumatic cylinder 237 may also be provided to allow movement of the guide relative to the carriage 106. The connector 236 and/or pneumatic cylinder 237 may be flexible enough to allow movement of the guide 109 to align with the X axis of the tube 102 .
    [00026] The shape of the nozzle 238 of the guide 109 allows the guide to conform to the shape of the tube 102. The flexible connector 236 and pneumatic cylinder 237 allow the guide 109 to self-adjust with freedom of movement in the X and Z axes, of so that the nozzle 238 aligns with the X axis of the tube 102. A guide 109 can be used to provide freedom of movement, which allows the system to adjust with respect to potential misalignments or variations in portions of the system 100 and/or of tube 102.
    [00027] Guide sensors 110 are positioned on each side of guide 109. Guide sensors 110 can be movably supported around guide 109 by brackets 240. Brackets 240 may have joints 242 to allow for adjustable positioning of the guide sensors 110, as indicated by the arrows. Guide sensors 110 can be, for example, lasers (or light emitting diodes (LEDs)) to measure a position or displacement of tube 102 when guide sensors 110 move around tube 102. Lasers 110 can emit a 243 laser beam, which can be used to measure curvature, circumference, radius and other tube parameters. Laser beams 243 can be emitted in a vertical plane on opposite sides of tube 102 to provide continuous analog measurements that can be used to measure a minimum gap G1 and G2 between each laser 110 and tube 102. Lasers 110 can be zeroed. and/or calibrated to provide proper alignment and/or prevent errors that may exist if the laser plane is out of vertical alignment or if the vertical alignment is incorrect. Although lasers 110 for emitting laser beam 243 are shown, other devices can also be used which are capable of measuring tube parameters.
    [00028] Guide sensors 110 may have an error due to, for example, misalignment. The floating configuration of guide 109 can be used to adjust guide sensors 110 and reduce potential measurement errors, which can be induced by misalignments in system 100 (for example, rails 126 may not be perfectly parallel to the X axis and /or the height of the guide sensors 110 relative to the centerline X of the tube may vary). A guide 109 can automatically align guide sensors 110 with the X and Z axes of the tube, thus reducing potential misalignment that can result, for example, from misalignment of rails 126, carriage 106, guide 109, etc.
    [00029] A proximity sensor, such as sensor 111 or another sensor (eg encoder), can detect a predetermined zero degree point on the circumference of the tube. A marker or magnet 245 can be positioned along tube 102 to identify the predetermined zero point. Sensor 111 can be used to detect magnet 245 and fgVgtokpct. rqt gzgoplq. woc rqui>«q fq io« glqw wo âpiwnq *gr+ fg measurement in time or position (eg circumferential) of the tube relative to the zero point. This information collected by trolley sensor 108 and guide sensors 110 can be correlated with rotary sensor 111 to determine displacement at a given location along tube 102. For example, the position of tube 102 can be tracked and combined. data from cart sensor 108 and/or guide sensors 110, and each outer diameter (ODp) measurement can be mapped to a precise grid. The following equation can be used to determine the outside diameter of the tube: ODp = W- (G1+ G2) (Equation 1) where W is the spacing between the two guide sensors 110.
    [00030] The sensors used here can be, for example, encoders or interstice sensors, to measure the displacement (for example, measure of length) along the tube 102. The trolley sensor 108 can be, for example, an encoder linear mounted on carriage 106 to measure a linear position thereof along rails 126. Encoders, such as carriage sensor 108, can track the position of carriage 106 relative to tube (Lp) as it moves linearly along of rails relative to the longitudinal axis X of the tube 102. The rotary sensor 111 can be mounted at a fixed location by the bracket 244 to detect the marker 245 placed on the tube, representing a known azimuth position (e.g., zero degrees). The actual diameter measurement along with the linear and azimuth locations allows a 3D map of the pipe's outer diameter to be generated.
    [00031] The various sensors 108, 110, 111 can be connected to the measuring unit 112, as schematically shown. The measuring unit 112 may have data storage capabilities (eg a database) and processing capabilities (eg a processor) for tracking and/or measuring data by logging and position (eg. linear and circumferential position of each data point obtained). The measurement unit may also have a controller, such as a programmable logic controller, to detect signals to activate certain portions of system 100.
    [00032] Due to the size and weight of the product being inspected, the mechanical equipment used to manipulate the tube, and the inherent tendency of tube 102 to be bent by varying degrees, tolerances can be difficult to achieve and maintain. System 100 can be used to track the tube independently of cart 106, which can be support assemblies or other assemblies, such as an ultrasonic sensor 250.
    [00033] It will be appreciated by those skilled in the art that the techniques exposed here can be implemented by automatic/autonomous applications through software configured with algorithms to perform the desired functions. These aspects can be implemented by programming one or more suitable general purpose computers having appropriate hardware. Programming may be accomplished through the use of one or more program storage devices readable by the processor(s) and encoding one or more computer executable instruction programs to perform the operations described herein. The program storage device may take the form of, for example, one or more floppy disks; a CD ROM or other optical disc; a read-only memory (ROM) chip; and other forms of the type well known in the art or subsequently developed. The program of kpuVtw>õgu rqfg ugt $e„fkiq qdjgVq”. kuVq fi, go fotoc dkpátkc. swg fi executable more or less directly from the computer; in "source code" that requires compilation or interpretation before execution; or in some intermediate form, such as partially compiled code. The precise forms of the program storage device and instruction encoding are immaterial here. Aspects of the invention can also be configured to perform the functions described (via appropriate hardware/software) only on site and/or remotely controlled via an extended communication network (eg wireless, Internet, satellite, etc.).
    [00034] Although the modalities are described with reference to various implementations and explorations, it will be understood that these modalities are illustrative and that the scope of the inventive subject is not limited thereto. Many variations, modifications, additions and improvements are possible. For example, multiple connectors and/or sensors can be used with the system.
    [00035] Plural cases can be provided for components, operations or structures described here as a single case. In general, frameworks and functionality presented as separate components in the example configurations can be implemented as a combined framework or component. Similarly, structures and functionality presented as a single component can be implemented as separate components. These and other variations, modifications, additions, and improvements may fall within the scope of the inventive subject.
    权利要求:
    Claims (12)
    [0001]
    1. System (100) for measuring tube (102), characterized in that it comprises: a frame (104) which rotatably receives the tube (102); a trolley (106) which can be movably positioned along the frame (104); a guide (109) which can be floatably positioned around the tube (102) and supported from the carriage (106), the guide (109) having a mouthpiece (238) that receptively engages the tube (102) and aligns itself axially with it; a plurality of guide sensors (110) comprising a laser and supported from the guide (109), each sensor (110) configured to measure displacement between the guide sensor (110) and the tube (102), wherein a pair a guide sensor (110) is positioned on opposite sides of the tube (102); and a measurement unit (112) operatively connected to the plurality of guide sensors (110) for collecting measurements therefrom.
    [0002]
    2. System for measuring tube according to claim 1, characterized in that: the frame (104) has an upper portion (114) and a lower portion (116), the lower portion rotatably receiving the tube, the upper portion having rails (126) positioned at a distance above the lower portion; the trolley (106) is movably positioned along rails (126) of the frame, the trolley having a trolley sensor (108) that senses a position of the trolley along the rails; the guide (109) is floating suspended from the carriage; the system further comprising a rotary sensor (111) that can be fixedly positioned around the tube to measure a rotational position of a marker (245) on the tube; and, wherein the measuring unit (112) is operatively connected to the trolley sensor (108), the plurality of guide sensors (110) and the rotating sensor (111) to collect measurements therefrom.
    [0003]
    3. System according to any one of claims 1 or 2, characterized in that the pair of guide sensors (110) positioned on opposite sides of the tube (102) is positioned in the same plane and aligned with the axis of the tube ( 102).
    [0004]
    4. System according to claim 2, characterized in that the trolley comprises wheels (232) to move the trolley (106) along the rails.
    [0005]
    5. System according to any one of claims 1 to 4, characterized in that the trolley (106) comprises a universal joint (236) to support the guide (109).
    [0006]
    6. System according to any one of claims 1 to 5, characterized in that the trolley (106) comprises a pneumatic cylinder (237) to support the guide (109).
    [0007]
    7. System according to any of claims 2 to 6, characterized in that the nozzle of the guide comprises at least one of a triangular recess (238), and/or at least one alignment roller (339), and/or a contoured recess complementary to an outer surface of the tube (110).
    [0008]
    8. System according to any one of claims 2 to 7, characterized in that the plurality of guide sensors comprise lasers (110) that emit a laser beam (243) on opposite sides of the tube (110).
    [0009]
    9. System according to any one of claims 2 to 8, characterized in that the plurality of guide sensors is supported on a guide by adjustable supports (240).
    [0010]
    10. System according to any one of claims 1 to 9, characterized in that it additionally comprises an ultrasonic sensor (250) that can be operationally connected to the cart to measure tube parameters.
    [0011]
    11. A method for measuring the tube (102), characterized in that it comprises: providing a system (100) for measuring the tube (102) comprising: a frame (104) which rotatably receives the tube (102); a trolley (106) which can be movably positioned along the frame (104); a guide (109) which is floatable about the tube (102) and supported from the carriage (106), the guide (109) having a mouthpiece (238) receptively engages the tube (102) and aligns itself axially with it; a plurality of guide sensors (110) comprising a laser and supported from the guide (109), each sensor (110) configured to measure displacement between the guide sensor (110) and the tube (102), wherein a pair a guide sensor (110) is positioned on opposite sides of the tube (102); and a measurement unit (112) operatively connected to the plurality of guide sensors (110) for collecting measurements therefrom; measuring the tube (102) with the plurality of guide sensors while moving at least one of the tube (102), the carriage (106) and the guide (109).
    [0012]
    12. Method according to claim 11, characterized in that it comprises rotating the tube (102) around the frame (104), movably positioning the carriage (106) along the frame (104), and/or engaging the tube (102) with the guide (109) so that the guide (109) is suspended floating around it.
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-03-31| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-06-01| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    2021-07-06| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-08-24| 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 30/11/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201161578701P| true| 2011-12-21|2011-12-21|
    US61/578701|2011-12-21|
    PCT/US2012/067432|WO2013095892A1|2011-12-21|2012-11-30|System and method for measuring pipe|
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