WO2012126169A1 - Gripping device for coiled tubing and injector using the same - Google Patents

Gripping device for coiled tubing and injector using the same Download PDF

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Publication number
WO2012126169A1
WO2012126169A1 PCT/CN2011/071987 CN2011071987W WO2012126169A1 WO 2012126169 A1 WO2012126169 A1 WO 2012126169A1 CN 2011071987 W CN2011071987 W CN 2011071987W WO 2012126169 A1 WO2012126169 A1 WO 2012126169A1
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WO
WIPO (PCT)
Prior art keywords
clamping block
coiled tubing
clamping
saddle
gripper block
Prior art date
Application number
PCT/CN2011/071987
Other languages
French (fr)
Chinese (zh)
Inventor
于清峰
方基垒
刘�东
Original Assignee
烟台杰瑞石油服务集团股份有限公司
烟台杰瑞石油装备技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 烟台杰瑞石油服务集团股份有限公司, 烟台杰瑞石油装备技术有限公司 filed Critical 烟台杰瑞石油服务集团股份有限公司
Publication of WO2012126169A1 publication Critical patent/WO2012126169A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes

Definitions

  • the present invention relates to the field of oil drilling equipment, and more particularly to a coiled tubing holding device and an injection head using the same.
  • the injection head is the core component of the coiled tubing equipment, and the clamping device provides clamping force to the injection head for conveying the coiled tubing.
  • the clamping block with rolling elements used on the injection head has the following defects: First, the rolling bearing used on the clamping device has a short service life, is difficult to maintain, and is inconvenient to lubricate. This is a clip with a rolling body. The main defects of the block; Second, due to the diversified size of the wellhead in the oilfield, the size of the coiled tubing used is different, and the normal wear and tear, the injection head needs to change the clamping block frequently during the work, but the current clamping block is in the clamping block. The seat is fixed in multiple places and the replacement is complicated.
  • the fixed clearance of the clamping block on the clamping block seat is less in a plurality of fixed manners, which is not conducive to the automatic adjustment of the clamping block when the oil pipe is clamped, resulting in a large impact of the clamping block on the oil pipe, and the oil pipe is Badly worn.
  • the technical problem to be solved by the present invention is to provide a coiled tubing holding device to overcome the deficiencies of the above-mentioned gripping device.
  • the present invention adopts the following scheme:
  • a coiled tubing clamping device comprising a saddle clamping block and a clamping block seat, wherein: the saddle clamping block gap is fixed on the clamping block seat, that is, the saddle clamping block can be There is a certain movable gap in the vertical direction of the clamped tubing on the clamp block.
  • the clamping block seat includes a pin shaft and a rolling sleeve sleeve disposed on the pin shaft, and the clamping block seat is provided with two through holes for connecting with the injection head chain along the pin axis direction,
  • the upper portion of the clamp block is provided with three partitions, and the partition is provided with a through hole for mounting the pin.
  • the back of the saddle clamping block is provided with a groove, and at least two pairs of hook blocks are disposed on the side wall of the groove; the back of the clamping block seat is provided with a limit for defining the position of the clamping block.
  • the platform and the bolt hole are provided with bosses corresponding to the hook blocks of the clamping block on both sides.
  • the clamping block and the holding block seat are engaged by the hook block and the boss, and the clamping block activity is defined by the limiting table and the bolt hole on the back of the clamping block seat Clearance.
  • the hook block of the clamping block and the corresponding boss on the clamping block seat are respectively three pairs.
  • the present invention further includes a composite material gasket between the clamping block and the clamping block seat, the gasket is provided with a bottom limiting table and a fixing portion of the clamping block seat Slots and ⁇ corresponding to the wire holes
  • the end of the pin shaft is further provided with an elastic damper for the shaft.
  • the arc of the saddle clamping block is provided with a plurality of grooves perpendicular to the clamped oil pipe.
  • the rolling sleeve is a ceramic sleeve.
  • the utility model has the beneficial effects of the coiled tubing clamping device of the invention: First, the high-strength ceramic wear-resistant material sleeve is used instead of the rolling bearing, no lubrication is needed, the service life is long, and the maintenance is easy; secondly, due to the use of the stopper on the clamping block, And the use of hook block and boss card and bolt limit structure, it is very convenient to replace the clamp block; and because there is a large gap between the block and the limit bolt, the block can be clamped when the oil pipe is displaced Can follow, avoid hard extrusion of the tubing.
  • the present invention also provides a tubing injection head comprising: the coiled tubing holding device described above.
  • the specific plan is as follows:
  • a tubing injection head comprises a drive chain, a support plate, a push plate and a tightening cylinder, wherein: the oil pipe clamping device is mounted on the drive chain.
  • the clamping cylinder is fixed on the support plate
  • the oil pipe clamping device is mounted on the driving chain
  • the pushing plate is movably connected to the supporting plate through the connecting rod
  • the piston of the clamping oil cylinder is pressed against one side of the pushing plate.
  • the other side of the push plate is pressed against the rolling elements of the clamping base of the oil pipe clamping device.
  • the beneficial effects of the oil pipe injection head are as follows: Since the oil pipe clamping device of the invention is used, the lubrication of the oil pipe injection head is more convenient, and the maintenance of the oil pipe injection head is more convenient, and the oil pipe is not in the oil pipe. Straight, the clamping block automatically follows, avoiding oil pipe injury or wear, and also prolonging the working life of the tubing injection head. In addition, the injection head is very convenient when it is necessary to replace the tubing clamping device.
  • Figure 1 is a schematic structural view of a coiled tubing holding device of the present invention
  • Figure 2 is a front elevational view of the clamping block of the coiled tubing holding device of the present invention
  • Figure 3 is a side view of the clamping block of the coiled tubing clamping device of the present invention.
  • Figure 4 is a front elevational view of the clamping block seat of the coiled tubing clamping device of the present invention.
  • Figure 5 is a side view of the clamping block seat of the coiled tubing clamping device of the present invention.
  • Figure 6 is a front elevational view of the gasket of the coiled tubing holding device of the present invention.
  • Figure 7 is a schematic view of a tubing injection head employing the coiled tubing holding device of the present invention.
  • a coiled tubing clamping device comprising a saddle clamping block 1 and a clamping block seat 4 , wherein the saddle clamping block 1 is gap-fixed on the clamping block seat 4 That is, the saddle type clamping block 1 can have a certain left and right movable gap on the clamping block seat 4 in the vertical direction along the clamped tubing.
  • the clamping block base 4 includes a pin shaft 6 and a ceramic rolling sleeve 5 sleeved on the pin shaft 6.
  • the clamping block seat 4 is disposed in the direction of the pin shaft 6 and is provided with two for connecting with the injection head chain.
  • the through hole 402 is provided with three partitions 406 at the upper portion of the clamp block 4, and a through hole 401 for mounting the pin 6 is provided on the partition 406.
  • the back of the saddle clamping block 1 is provided with a groove 103, and three pairs of hook blocks 102 are disposed on the side wall of the groove 103; the back of the clamping block seat 4 is provided with a position for defining the position of the clamping block 1.
  • the limiting table 405 and the bolt hole 404 are provided with three pairs of bosses 403 corresponding to the hook blocks 102 of the clamping block 1 on both sides.
  • the clamping block 1 and the holding block seat 4 are engaged by the hook block 102 and the boss 403, and the movable gap of the clamping block 1 is defined by the limiting table 405 and the bolt hole 404 on the back of the clamping block seat 4, The floating gap prevents damage to the holding tubing.
  • the present invention also includes a gasket 2 mated between the clamping block 1 and the clamping block seat 4,
  • the gasket 2 is provided with a groove 201 and a hole 202 corresponding to the bottom limiting table 405 and the fixing wire hole 404 of the clamping block seat 4, and the gasket may be an elastic and wear-resistant composite material such as polyurethane. , wear-resistant rubber and other materials.
  • a shaft damper 3 is also provided at the end of the pin 6.
  • a plurality of grooves 101 perpendicular to the clamped oil pipe are provided on the arc of the saddle clamp block 1 to make the oil pipe hold more powerful.
  • the present invention also provides an injection head using the above-described coiled tubing holding device.
  • the specific plan is as follows:
  • a tubing injection head includes a drive sprocket 12 , a drive chain 13 , a support plate 14 , a push plate 15 , a clamping cylinder 16 , the support plate 14 , a tightening cylinder 16 , a push plate 15 , etc.
  • the utility model is characterized in that: a plurality of sets of the oil pipe clamping devices 11 are continuously mounted on the driving chain 13 .
  • the support plate 14 is fixed to the frame of the injection head, and the clamping cylinder 16 is fixed on the support plate 14.
  • the oil pipe clamping device 1 is mounted on the drive chain 13 through the through hole 402, and the push plate 15 is moved.
  • the connecting rod 18 is connected to the supporting plate 14.
  • one end of the movable connecting rod is a joint bearing, which is connected to the push plate 15, and the other end is inserted into the sleeve 19 fixed on the support plate 14, and the movable link 18 can be
  • the sleeve 19 slides with the force of the push plate 15.
  • the cylinder piston 17 of the clamping cylinder 16 is pressed against the push plate 15, and the other side of the push plate 15 is pressed against the rolling sleeve 5 of the holding base of the oil pipe holding device 11.
  • the push plate 14 presses the tubing gripping device 11
  • the drive sprocket 12 drives the drive chain 13 and drives the tubing gripping device 11 to transport the tubing forward
  • the rolling sleeve 5 is on the push plate 15. Rolling, under the action of two pairs of two saddle-type holding blocks, the oil pipe moves in the set direction.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Clamps And Clips (AREA)

Abstract

A gripping device for a coiled tubing and an injector using the same are disclosed. The gripping device includes a saddle gripper block (1), a gripper block base (4) and a gasket (2). A recess (103) is provided on the bottom of the saddle gripper block (1), and at least two pairs of hook blocks (102) are provided on the side walls of the recess; the gripper block base (4) includes a pin shaft (6) and a rolling sleeve which is sleeved on the pin shaft (6); a limiting stand (405) and a bolt hole (404) are provided on the bottom of the gripper block base; the two sides of the gripper block base (4) are provided with bosses (403) corresponding to the hook blocks (102) of the gripper block; the gripper block base (4) is provided with two through-holes (402) along the direction of the pin shaft (6); The injector includes the gripping device for the coiled tubing and drive chains, and the gripping device for the coiled tubing is mounted on the drive chains by the two through-holes (402) in the gripper block base. The gripper block of the gripping device can be conveniently replaced, thus reducing abrasion of tubing during work. The injector has the advantages of easy maintenance and longer lifetime.

Description

一种连续油管夹持装置及采用该夹持装置的注入头 技术领域  Coiled tubing clamping device and injection head using the same
本发明涉及石油钻采设备领域， 特别涉及一种连续油管夹持装置， 还涉 及采用该夹持装置的注入头。  The present invention relates to the field of oil drilling equipment, and more particularly to a coiled tubing holding device and an injection head using the same.
背景技术 Background technique
注入头是连续油管设备的核心部件， 夹持装置为注入头提供夹紧力， 用 于输送连续油管。 目前注入头上所使用的带有滚动体的夹持块存在如下缺 陷： 一是夹持装置上使用的滚动轴承， 其使用寿命短， 维护难， 润滑不便， 这是这种带有滚动体的夹持块主要缺陷； 二是由于油田井口尺寸多样， 所使 用的连续油管尺寸也不同， 以及正常的磨损， 注入头在工作时需要经常更换 夹持块， 但现用的夹持块在夹持块座上采用多处固定， 更换复杂。 而且采用 多处固定的方式使夹持块在夹持块座上的活动间隙较少， 不利于夹持块夹持 油管时的自动调整， 导致夹持块对油管的沖击大， 对油管的磨损严重。  The injection head is the core component of the coiled tubing equipment, and the clamping device provides clamping force to the injection head for conveying the coiled tubing. At present, the clamping block with rolling elements used on the injection head has the following defects: First, the rolling bearing used on the clamping device has a short service life, is difficult to maintain, and is inconvenient to lubricate. This is a clip with a rolling body. The main defects of the block; Second, due to the diversified size of the wellhead in the oilfield, the size of the coiled tubing used is different, and the normal wear and tear, the injection head needs to change the clamping block frequently during the work, but the current clamping block is in the clamping block. The seat is fixed in multiple places and the replacement is complicated. Moreover, the fixed clearance of the clamping block on the clamping block seat is less in a plurality of fixed manners, which is not conducive to the automatic adjustment of the clamping block when the oil pipe is clamped, resulting in a large impact of the clamping block on the oil pipe, and the oil pipe is Badly worn.
发明内容 Summary of the invention
本发明要解决的技术问题是提供一种连续油管夹持装置以克服上述目 前使用的夹持装置的不足。  The technical problem to be solved by the present invention is to provide a coiled tubing holding device to overcome the deficiencies of the above-mentioned gripping device.
为了解决以上问题， 本发明采用如下方案：  In order to solve the above problems, the present invention adopts the following scheme:
一种连续油管夹持装置， 包括鞍型夹持块及夹持块座， 其特征在于： 所 述鞍型夹持块间隙固定于所述夹持块座上， 即鞍型夹持块可以在夹持块座上 在沿所夹持油管的垂直方向， 有一定的活动间隙。  A coiled tubing clamping device comprising a saddle clamping block and a clamping block seat, wherein: the saddle clamping block gap is fixed on the clamping block seat, that is, the saddle clamping block can be There is a certain movable gap in the vertical direction of the clamped tubing on the clamp block.
所述夹持块座包括销轴及套装于所述销轴上的滚动轴套， 所述夹持块座 沿销轴方向， 设有用于与注入头链条相连接的两个通孔， 所述夹持块座的上 部设有三道隔板， 在所述隔板上设有用于安装销轴的通孔。  The clamping block seat includes a pin shaft and a rolling sleeve sleeve disposed on the pin shaft, and the clamping block seat is provided with two through holes for connecting with the injection head chain along the pin axis direction, The upper portion of the clamp block is provided with three partitions, and the partition is provided with a through hole for mounting the pin.
进一步的， 所述鞍型夹持块的背部设有凹槽， 在凹槽的侧壁设有至少两 对钩块；所述夹持块座背面设有用于限定所述夹持块位置的限位台、螺栓孔， 两侧设有与所述夹持块的钩块对应的凸台。 夹持块与加持块座通过所述的钩 块和凸台相咬合， 并通过夹持块座背面的限位台和螺栓孔来限定夹持块活动 间隙。 Further, the back of the saddle clamping block is provided with a groove, and at least two pairs of hook blocks are disposed on the side wall of the groove; the back of the clamping block seat is provided with a limit for defining the position of the clamping block The platform and the bolt hole are provided with bosses corresponding to the hook blocks of the clamping block on both sides. The clamping block and the holding block seat are engaged by the hook block and the boss, and the clamping block activity is defined by the limiting table and the bolt hole on the back of the clamping block seat Clearance.
进一步的， 所述夹持块的钩块和夹持块座上对应的凸台分别是三对。 进一步的， 本发明还包括垫于所述夹持块和所述夹持块座之间的复合材 料垫片，所述垫片上设有与所述夹持块座的底部限位台和固定丝孔对应的槽 和孑  Further, the hook block of the clamping block and the corresponding boss on the clamping block seat are respectively three pairs. Further, the present invention further includes a composite material gasket between the clamping block and the clamping block seat, the gasket is provided with a bottom limiting table and a fixing portion of the clamping block seat Slots and 孑 corresponding to the wire holes
进一步的， 所述销轴的端部还设有轴用弹性挡圏。  Further, the end of the pin shaft is further provided with an elastic damper for the shaft.
进一步的， 所述鞍型夹持块的圓弧上设有若干垂直于所夹持油管的沟 槽。  Further, the arc of the saddle clamping block is provided with a plurality of grooves perpendicular to the clamped oil pipe.
进一步的， 所述滚动轴套是陶瓷轴套。  Further, the rolling sleeve is a ceramic sleeve.
本发明的一种连续油管夹持装置有益效果是： 一是使用高强度的陶瓷等 耐磨材料轴套代替滚动轴承， 无需润滑， 寿命长， 容易维护； 二是由于夹持 块上采用挡块， 以及采用钩块及凸台卡装和螺栓限位结构， 更换夹持块非常 方便； 再是由于在挡块和限位螺栓之间有较大的间隙， 可以在油管有变位时 夹持块能随动， 避免对油管的硬性挤压。  The utility model has the beneficial effects of the coiled tubing clamping device of the invention: First, the high-strength ceramic wear-resistant material sleeve is used instead of the rolling bearing, no lubrication is needed, the service life is long, and the maintenance is easy; secondly, due to the use of the stopper on the clamping block, And the use of hook block and boss card and bolt limit structure, it is very convenient to replace the clamp block; and because there is a large gap between the block and the limit bolt, the block can be clamped when the oil pipe is displaced Can follow, avoid hard extrusion of the tubing.
本发明还提供了一种油管注入头， 其特征在于： 包括以上所述的连续油 管夹持装置。 具体方案如下：  The present invention also provides a tubing injection head comprising: the coiled tubing holding device described above. The specific plan is as follows:
一种油管注入头， 包括驱动链条、 支撑板、推板、 加紧油缸， 其特点是： 所述驱动链条上安装有所述油管夹持装置。 夹紧油缸固定在支撑板上， 所述 油管夹持装置安装于驱动链条上， 所述推板通过连杆活动连接于支撑板上， 夹紧油缸的活塞压靠在所述推板一面，所述推板另一面压在所述油管夹持装 置的夹持底座的滚动体上。 当油管注入头工作时， 推板压紧油管夹持装置， 传动链条带动油管夹持装置将油管向前输送， 滚动轴套在链条压板上滚动。  A tubing injection head comprises a drive chain, a support plate, a push plate and a tightening cylinder, wherein: the oil pipe clamping device is mounted on the drive chain. The clamping cylinder is fixed on the support plate, the oil pipe clamping device is mounted on the driving chain, the pushing plate is movably connected to the supporting plate through the connecting rod, and the piston of the clamping oil cylinder is pressed against one side of the pushing plate. The other side of the push plate is pressed against the rolling elements of the clamping base of the oil pipe clamping device. When the oil pipe injection head is working, the push plate presses the oil pipe clamping device, and the drive chain drives the oil pipe clamping device to convey the oil pipe forward, and the rolling bush sleeve rolls on the chain pressure plate.
本油管注入头的有益效果是： 由于采用本发明的油管夹持装置， 不用润 滑， 使得油管注入头的维护更为方便， 而且由于本夹持块的随动间隙大， 可 以在油管不是 ί艮直时， 夹持块自动跟动， 避免油管受伤或磨损， 同时也延长 了油管注入头的工作寿命， 另外这种注入头在需要更换油管夹持装置时非常 方便。  The beneficial effects of the oil pipe injection head are as follows: Since the oil pipe clamping device of the invention is used, the lubrication of the oil pipe injection head is more convenient, and the maintenance of the oil pipe injection head is more convenient, and the oil pipe is not in the oil pipe. Straight, the clamping block automatically follows, avoiding oil pipe injury or wear, and also prolonging the working life of the tubing injection head. In addition, the injection head is very convenient when it is necessary to replace the tubing clamping device.
附图说明 DRAWINGS
图 1是本发明连续油管夹持装置的结构示意图； 图 2是本发明连续油管夹持装置的夹持块主视图； Figure 1 is a schematic structural view of a coiled tubing holding device of the present invention; Figure 2 is a front elevational view of the clamping block of the coiled tubing holding device of the present invention;
图 3是本发明连续油管夹持装置的夹持块侧视图；  Figure 3 is a side view of the clamping block of the coiled tubing clamping device of the present invention;
图 4是本发明连续油管夹持装置的夹持块座主视图；  Figure 4 is a front elevational view of the clamping block seat of the coiled tubing clamping device of the present invention;
图 5是本发明连续油管夹持装置的夹持块座侧视图；  Figure 5 is a side view of the clamping block seat of the coiled tubing clamping device of the present invention;
图 6是本发明连续油管夹持装置的垫片主视图。  Figure 6 is a front elevational view of the gasket of the coiled tubing holding device of the present invention.
图 7是采用本发明连续油管夹持装置的一种油管注入头示意图。  Figure 7 is a schematic view of a tubing injection head employing the coiled tubing holding device of the present invention.
在图 1一图 6中： 1、 夹持块、 2、 垫片， 3、 螺栓， 4、 夹持块座， 5、 滚 动轴套， 6、 销轴， 7、 轴用弹性挡圏； 101、 沟槽， 102、 钩块， 103、 凹槽； 201、 槽， 202、 孔； 401、 销轴孔， 402、 通孔， 403、 凸台， 404、 螺栓孔， 405、 限位台， 406、 隔板。  In Figure 1 - Figure 6: 1, clamping block, 2, gasket, 3, bolt, 4, clamping block seat, 5, rolling sleeve, 6, pin shaft, 7, shaft with elastic dam; 101 , groove, 102, hook block, 103, groove; 201, groove, 202, hole; 401, pin hole, 402, through hole, 403, boss, 404, bolt hole, 405, limit table, 406 , partitions.
在图 7 中： 5、 滚动轴套， 11、 油管加持装置， 12、 驱动链轮， 13、 驱 动链条， 14、 支撑板， 15、 推板， 16、 加紧油缸， 17、 油缸活塞， 18、 活动 连杆， 19、 轴套。  In Figure 7: 5, rolling sleeve, 11, tubing holding device, 12, drive sprocket, 13, drive chain, 14, support plate, 15, push plate, 16, tightening cylinder, 17, cylinder piston, 18, Movable connecting rod, 19, bushing.
具体实施方式 detailed description
下面结合附图对本发明的具体实施方式作详细说明：  The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings:
如图 1一图 6所示： 一种连续油管夹持装置， 包括鞍型夹持块 1及夹持 块座 4 , 所述鞍型夹持块 1间隙固定于所述夹持块座 4上， 即鞍型夹持块 1 可以在夹持块座 4上在沿所夹持油管的垂直方向， 有一定的左右活动间隙。  As shown in FIG. 1 to FIG. 6 : a coiled tubing clamping device comprising a saddle clamping block 1 and a clamping block seat 4 , wherein the saddle clamping block 1 is gap-fixed on the clamping block seat 4 That is, the saddle type clamping block 1 can have a certain left and right movable gap on the clamping block seat 4 in the vertical direction along the clamped tubing.
所述夹持块座 4包括销轴 6及套装于所述销轴 6上的陶瓷滚动轴套 5 , 夹持块座 4沿销轴 6方向， 设有用于与注入头链条相连接的两个通孔 402 , 在夹持块座 4的上部设有三道隔板 406 , 在所述隔板 406上设有用于安装销 轴 6的通孔 401。  The clamping block base 4 includes a pin shaft 6 and a ceramic rolling sleeve 5 sleeved on the pin shaft 6. The clamping block seat 4 is disposed in the direction of the pin shaft 6 and is provided with two for connecting with the injection head chain. The through hole 402 is provided with three partitions 406 at the upper portion of the clamp block 4, and a through hole 401 for mounting the pin 6 is provided on the partition 406.
所述鞍型夹持块 1的背部设有凹槽 103 , 在凹槽 103的侧壁设有三对钩 块 102 ; 所述夹持块座 4背面设有用于限定所述夹持块 1位置的限位台 405、 螺栓孔 404 , 两侧设有与所述夹持块 1的钩块 102对应的三对凸台 403。 夹 持块 1与加持块座 4通过所述的钩块 102和凸台 403相咬合， 并通过夹持块 座 4背面的限位台 405和螺栓孔 404来限定夹持块 1活动间隙，其浮动间隙 可避免对所加持油管造成损伤。  The back of the saddle clamping block 1 is provided with a groove 103, and three pairs of hook blocks 102 are disposed on the side wall of the groove 103; the back of the clamping block seat 4 is provided with a position for defining the position of the clamping block 1. The limiting table 405 and the bolt hole 404 are provided with three pairs of bosses 403 corresponding to the hook blocks 102 of the clamping block 1 on both sides. The clamping block 1 and the holding block seat 4 are engaged by the hook block 102 and the boss 403, and the movable gap of the clamping block 1 is defined by the limiting table 405 and the bolt hole 404 on the back of the clamping block seat 4, The floating gap prevents damage to the holding tubing.
本发明还包括垫于所述夹持块 1和所述夹持块座 4之间的垫片 2 , 所述 垫片 2上设有与所述夹持块座 4的底部限位台 405和固定丝孔 404对应的槽 201 和孔 202 , 该垫片可以是具有弹性的、 耐磨的复合材料， 如聚氨酯、 耐 磨橡胶等材料。 The present invention also includes a gasket 2 mated between the clamping block 1 and the clamping block seat 4, The gasket 2 is provided with a groove 201 and a hole 202 corresponding to the bottom limiting table 405 and the fixing wire hole 404 of the clamping block seat 4, and the gasket may be an elastic and wear-resistant composite material such as polyurethane. , wear-resistant rubber and other materials.
在销轴 6的端部还设有轴用弹性挡圏 3。  A shaft damper 3 is also provided at the end of the pin 6.
在鞍型夹持块 1的圓弧上设有若干垂直于所夹持油管的沟槽 101 , 使油 管加持更有力。  A plurality of grooves 101 perpendicular to the clamped oil pipe are provided on the arc of the saddle clamp block 1 to make the oil pipe hold more powerful.
本发明还提供一种采用上述连续油管夹持装置的注入头。 具体方案如 下：  The present invention also provides an injection head using the above-described coiled tubing holding device. The specific plan is as follows:
如图 7所示： 一种油管注入头， 包括驱动链轮 12、 传动链条 1 3、 支撑 板 14、 推板 15、 夹紧油缸 16 , 所述支撑板 14、 加紧油缸 16、 推板 15等安 装在所述驱动链条 1 3所形成闭环的内部。 其特点是： 所述驱动链条 1 3上连 续安装有多组所述油管夹持装置 11。 支撑板 14固定于注入头的机架上， 夹 紧油缸 16固定在支撑板 14上， 所述油管夹持装置 1 1通过通孔 402安装于 驱动链条 1 3上， 所述推板 15通过活动连杆 18连接于支撑板 14上， 本例中 活动连杆的一端是关节轴承， 连接于推板 15上， 另一端插入固定于支撑板 14上的轴套 19 中， 并且活动连杆 18可以随推板 15受力情况而在轴套 19 滑动。 夹紧油缸 16的油缸活塞 17压靠在所述推板 15—面， 所述推板 15另 一面压在所述油管夹持装置 11的夹持底座的滚动轴套 5上。 当油管注入头 工作时， 推板 14压紧油管夹持装置 11 , 驱动链轮 12驱动传动链条 1 3 , 并 带动油管夹持装置 11将油管向前输送， 滚动轴套 5在推板 15上滚动， 在两 对面两个鞍型加持块的作用下， 油管向设定方向运动。  As shown in FIG. 7 , a tubing injection head includes a drive sprocket 12 , a drive chain 13 , a support plate 14 , a push plate 15 , a clamping cylinder 16 , the support plate 14 , a tightening cylinder 16 , a push plate 15 , etc. Installed inside the closed loop formed by the drive chain 13. The utility model is characterized in that: a plurality of sets of the oil pipe clamping devices 11 are continuously mounted on the driving chain 13 . The support plate 14 is fixed to the frame of the injection head, and the clamping cylinder 16 is fixed on the support plate 14. The oil pipe clamping device 1 is mounted on the drive chain 13 through the through hole 402, and the push plate 15 is moved. The connecting rod 18 is connected to the supporting plate 14. In this example, one end of the movable connecting rod is a joint bearing, which is connected to the push plate 15, and the other end is inserted into the sleeve 19 fixed on the support plate 14, and the movable link 18 can be The sleeve 19 slides with the force of the push plate 15. The cylinder piston 17 of the clamping cylinder 16 is pressed against the push plate 15, and the other side of the push plate 15 is pressed against the rolling sleeve 5 of the holding base of the oil pipe holding device 11. When the tubing injection head is in operation, the push plate 14 presses the tubing gripping device 11, the drive sprocket 12 drives the drive chain 13 and drives the tubing gripping device 11 to transport the tubing forward, and the rolling sleeve 5 is on the push plate 15. Rolling, under the action of two pairs of two saddle-type holding blocks, the oil pipe moves in the set direction.
以上所述仅为本发明的较佳实施方式， 并不用以限制本发明， 凡在本发 明的精神和原则之内， 所作的任何修改、 等同替换等， 均应包含在本发明的 保护范围之内。  The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalents, etc., which are within the spirit and scope of the present invention, should be included in the scope of the present invention. Inside.

Claims

1、 一种连续油管夹持装置， 包括鞍型夹持块（1 )及夹持块座（4 ), 其 特征在于： 所述鞍型夹持块（1 ) 固定于所述夹持块座（4 )上， 所述夹持块 座（ 4 ) 包括销轴（ 6 )及套装于所述销轴上的滚动轴套（ 5 ), 所述夹持块座 A coiled tubing clamping device comprising a saddle clamping block (1) and a clamping block seat (4), wherein: the saddle clamping block (1) is fixed to the clamping block seat (4) The clamping block seat (4) comprises a pin (6) and a rolling sleeve (5) fitted on the pin, the clamping block seat
( 4 ) 沿销轴 （6 ) 方向， 设有用于与注入头链条相连接的两个通孔（ 402 ), 所述夹持块座（ 4 ) 的上部设有三道隔板（ 406 ), 在所述隔板（ 406 )上设有 用于安装销轴（ 6 ) 的通孔（ 401 )。 (4) along the pin (6) direction, is provided with two through holes for the (402) and the injection head is connected to the chain, said clamping block housing (4) is provided with three upper spacer (406), a through hole for mounting the pin (6) (401) on the separator (406).
2、 根据权利要求 1所述的连续油管夹持装置， 其特征在于： 所述鞍型 夹持块（ 1 )的背部设有凹槽（ 103 ), 在凹槽（ 103 )的侧壁设有至少两对钩 块（ 102 ), 所述夹持块座（ 4 ) 两侧设有与所述夹持块（ 1 ) 的钩块（ 102 ) 对应的凸台（ 403 ),背面设有用于限定所述夹持块（1 )位置的限位台（ 405 )、 螺栓孔（ 404 )。 2, said coiled tubing clamping apparatus according to claim 1, wherein: the back of the saddle clamping block (1) is provided with a recess (103), the recess (103) of the side wall At least two pairs of hook blocks (10 2 ) are provided, and the two sides of the clamping block seat ( 4 ) are provided with a boss ( 403 ) corresponding to the hook block ( 10 2 ) of the clamping block ( 1 ), and the back side A limit stop (405) for defining the position of the clamping block (1) and a bolt hole (404) are provided.
3、 根据权利要求 2所述的连续油管夹持装置， 其特征在于： 所述鞍型 夹持块（ 1 )上的钩块（ 102 )和所述夹持块座（ 4 )上的凸台 （ 403 )分别设 有三对。 3. The coiled tubing clamping device according to claim 2, characterized in that: the hook block (10 2 ) on the saddle clamping block ( 1 ) and the convex on the clamping block seat ( 4 ) station (403), respectively, with 3 pairs.
4、 根据权利要求 1-3所述的连续油管夹持装置， 其特征在于： 还包括 垫于所述夹持块（ 1 )和所述夹持块座（ 4 )之间的垫片 （ 2 ), 所述垫片 （ 2 ) 上设有与所述夹持块座（ 4 )的底部限位台和固定丝孔对应的槽（ 201 )和孔 4. The coiled tubing clamping device according to any of claims 1-3, further comprising: a gasket between the clamping block (1) and the clamping block seat (4) (2) The gasket (2) is provided with a groove (201) and a hole corresponding to the bottom limit table and the fixed wire hole of the clamping block seat (4)
( 202 )0 ( 202 ) 0
5、 根据权利要求 4所述的连续油管夹持装置， 其特征在于： 所述销轴 ( 6 ) 的端部还设有轴用弹性挡圏 （ 7 )。  The coiled tubing clamping device according to claim 4, characterized in that: the end of the pin (6) is further provided with a shaft elastic dam (7).
6、 根据权利要求 5所述的连续油管夹持装置， 其特征在于： 所述鞍型 夹持块（1 ) 的圓弧上设有若干垂直于所夹持油管的沟槽（101 )。  The coiled tubing holding device according to claim 5, characterized in that: the arc of the saddle-type clamping block (1) is provided with a plurality of grooves (101) perpendicular to the oil pipe to be clamped.
7、 根据权利要求 6所述的连续油管夹持装置， 其特征在于： 所述滚动 轴套（5 )是陶瓷轴套。  7. A coiled tubing holding device according to claim 6, wherein: said rolling bushing (5) is a ceramic bushing.
8、 一种油管注入头， 其特征在于： 包括如权利要求 1-7任一项所述的 连续油管夹持装置。  A tubing injection head, comprising: the coiled tubing holding device according to any one of claims 1-7.
PCT/CN2011/071987 2011-03-18 2011-03-21 Gripping device for coiled tubing and injector using the same WO2012126169A1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189609B1 (en) * 1998-09-23 2001-02-20 Vita International, Inc. Gripper block for manipulating coil tubing in a well
US6527055B1 (en) * 2001-09-28 2003-03-04 Coiled Tubing Solutions, Inc. Thrust enhancement device for coiled tubing injectors
US6892810B2 (en) * 2003-03-25 2005-05-17 Halliburton Energy Services, Inc. Gripper block for coiled tubing injector with variable tubing size capability
CN201297134Y (en) * 2008-11-27 2009-08-26 胜利油田高原石油装备有限责任公司 A coiled tubing (pole) clamping block unit equipment
US20100132935A1 (en) * 2008-10-27 2010-06-03 David Brian Magnus Gripper Block

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202055781U (en) * 2011-03-18 2011-11-30 烟台杰瑞石油服务集团股份有限公司 Coiled tubing clamping device and injection head utilizing same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189609B1 (en) * 1998-09-23 2001-02-20 Vita International, Inc. Gripper block for manipulating coil tubing in a well
US6527055B1 (en) * 2001-09-28 2003-03-04 Coiled Tubing Solutions, Inc. Thrust enhancement device for coiled tubing injectors
US6892810B2 (en) * 2003-03-25 2005-05-17 Halliburton Energy Services, Inc. Gripper block for coiled tubing injector with variable tubing size capability
US20100132935A1 (en) * 2008-10-27 2010-06-03 David Brian Magnus Gripper Block
CN201297134Y (en) * 2008-11-27 2009-08-26 胜利油田高原石油装备有限责任公司 A coiled tubing (pole) clamping block unit equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103105264A (en) * 2013-02-04 2013-05-15 侯如升 Pressure meter mounting base for pressure testing machine

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