CN102704878A - Recovery deflecting device - Google Patents

Recovery deflecting device Download PDF

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Publication number
CN102704878A
CN102704878A CN2012101437187A CN201210143718A CN102704878A CN 102704878 A CN102704878 A CN 102704878A CN 2012101437187 A CN2012101437187 A CN 2012101437187A CN 201210143718 A CN201210143718 A CN 201210143718A CN 102704878 A CN102704878 A CN 102704878A
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CN
China
Prior art keywords
connected
mandrel
lower end
outer cylinder
body
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CN2012101437187A
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Chinese (zh)
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CN102704878B (en
Inventor
兰乘宇
刘吉明
刘国军
岳湘刚
谷洪文
隋宏宇
马智远
Original Assignee
中国石油天然气股份有限公司
大庆油田有限责任公司
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Priority to CN201210143718.7A priority Critical patent/CN102704878B/en
Publication of CN102704878A publication Critical patent/CN102704878A/en
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Publication of CN102704878B publication Critical patent/CN102704878B/en

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Abstract

The invention discloses a recovery deflecting device. The recovery deflecting device comprises an upper joint, wherein the upper joint is connected with a pull rod; a pull rod base is arranged at the bottom end of the pull rod; the pull rod is connected with tapered iron; a support ring is sleeved on the pull rod, which is arranged in the inclined surface of the tapered iron, and is fixed with the inclined surface of the tapered iron through a pin nail; the bottom end of the tapered iron is connected with the pull rod base through a fixed pin; the lower end of the tapered iron is connected with an upper body; the upper body is connected with a lower body through a cutting pin; the lower end of the lower body is connected with an outer cylinder; two groups of through holes are formed on the wall of the outer cylinder along the circumference direction; tooth blocks are arranged in the through holes and are connected with a piston inside the outer cylinder through a cutting nail; an initiator is arranged under the outer cylinder and is connected with a joint of an inner cavity of the initiator through a shear pin; the lower end of the initiator is connected with a ground anchor; a mandrel is arranged under the pull rod base; the upper end of the mandrel is connected with a mandrel retainer ring; the mandrel is connected with the joint; and the inner wall at the lower end of the mandrel is connected with a screwed plug. A channel is directionally found by the deflecting device, so that the repair rate of a small-path dislocation well is improved, and the integration of anchoring, directional deflection, recovery and recycling is realized.

Description

回收式造斜器技术领域 BACKGROUND made retrievable whipstock

[0001] [0001]本发明属于在油田大修井作业中一种工具,特别是一种回收式造斜器。 [0001] [0001] The present invention belongs to the field of one large workover tool, in particular a retrievable whipstock. 背景技术 Background technique

[0002]目前随着油田进一步的开发,井套损情况也越加复杂,尤其是小通径错断井,其下断口往往远离套管中心线,在找通道时,现有工具进入管外的几率远远大于进入管内的几率,造成小通径错断井修复率极低。 [0002] With further development of the current field, a well casing failure situation is increasingly complicated, especially with a small diameter wells faulting, which tend to fracture away from the center line of the sleeve, when looking for the channel, existing tools into the outer tube the probability is far greater than the chance of entering the tube, resulting in small diameter wells off the wrong low repair rate.

发明内容 SUMMARY

[0002] 为了解决背景技术中存在的问题,本发明提供一种回收式造斜器,通过检测技术检测到套损方位,利用回收式造斜器定向找通道,提高小通径错断井修复率,能够实现锚定、定向造斜、回收、再利用一体化。 [0002] In order to solve the problems in the background art, the present invention provides a retrievable whipstock, detected by the orientation detection techniques to casing failure, using retrievable whipstock orientation channels to find improved small diameter wells repair faulting rate can be achieved anchor, orienting the whipstock, recycling, reuse integration. [0003] 本发明的技术方案是:该该回收式造斜器包括上接头,上接头连接有拉杆,拉杆底端设有拉杆座,拉杆外壁套有斜铁,斜铁的斜面内的拉杆套有支撑环,支撑环通过销钉与斜铁的斜面相固定,斜铁底端通过固定销与拉杆座固定在一起,斜铁下端连接有上本体,上本体通过剪切销连接有下本体,下本体下端连接有外筒,外筒壁上沿周向上分布两组通孔,通孔内安装有牙块,牙块通过剪切钉与外筒内的活塞连接,外筒下方设有引子,引子通过剪销与其内腔的接头连接,引子下端连接有地锚,拉杆座下方设有芯轴,芯轴上端连接有芯轴档圈,芯轴下端外壁通过牙形齿与接头连接,芯轴下端内壁连接有丝堵,芯轴中部与活塞连接。 [0003] aspect of the present invention is that: the retrievable whipstock which comprises a connector, the connector rod is connected, with the bottom end of rod holder rod, with a rod inclined outer wall of the iron sleeve, the rod sets the ramp wedges a support ring, the support ring with the pins by the inclined surface of the wedges is fixed, by a fixing pin wedges the bottom end of the rod holder secured together, the wedges are connected to the lower end of the body, the upper body by a shear pin connected to the lower body, the connecting the lower end of the body has an outer cylinder, two through holes distributed along the outer wall of the cylinder in the circumferential direction, the through hole mounted tooth blocks, connected by a piston element pieces and the outer barrel shearing the staple, the lower outer cylinder is provided with a primer, primer via a linker thereto lumen shear pin, is connected to the lower end of the anchor primer, provided below the mandrel holder rod, the upper end of the spindle is connected to the mandrel ring gear, the outer wall of the lower end of the mandrel teeth by tooth-shaped joint connection, the lower end of the mandrel an inner wall connected to plugs, the central mandrel connected to the piston.

[0004] 本发明具有如下有益效果:此工具同以往造斜器相比在使用过程中具有以下优点:1)定向造斜,实现工具定向找通道;2)具有自锁能力,锚定后无法松动;3)配合专用母锥打捞上端斜铁,可回收再利用;4)上提剪切起出造斜器,方便快捷。 [0004] The present invention has the following advantages: Compared with a conventional tool whipstock has the advantage that during use: 1) oriented directional drilling tools achieve directional channels looking; 2) having a self-locking capability, not the anchor loose; 3) with special salvage upper female taper wedges, recyclable; extract from a shear whipstock 4) easily and quickly. 本工具的优点在现场应用中得到了充分的验证,取得了良好的使用效果。 The advantages of this tool has been fully validated in the field, and achieved good results.

[0005] 附图说明: [0005] BRIEF DESCRIPTION OF DRAWINGS:

附图I是本发明的结构示意图。 I is a schematic drawings of the present invention.

[0006] 图中I-胶圈;2_上接头;3_支撑环;4_档圈;5_拉杆;6 -斜铁;7_拉杆座;8_胶圈;9 -固定销;10_芯轴档圈;11-上本体;12_定位销;13_下本体;14_剪切销;15_胶圈;16_胶圈;17_胶圈;18_活塞;19_牙块;20_外筒;21_胶圈;22_剪切钉;23_钢球;24-丝堵;25_剪销;26_引子;27_芯轴;28_地锚;29-接头。 [0006] FIG I- apron; 2_ the joint; 3_ support ring; 4_ ring gear; 5_ rod; 6 - wedges; 7_ rod seat; 8_ apron; 9 - fixing pin; 10 _ mandrel ring gear; 11- on the body; positioning pin 12_; 13_ lower body; 14_ shear pin; 15_ apron; 16_ apron; 17_ apron; 18_ piston; 19_ element pieces ; 20_ outer cylinder; 21_ apron; a 22-cut staple; 23_ ball; 24- plugs; 25-stage shear pin; 26_ primer; 27_ mandrel; 28_ anchor; 29- linker.

[0007] 具体实施方式: [0007] DETAILED DESCRIPTION:

下面结合附图对本发明作进一步说明: DRAWINGS The present invention is further described:

如图I所示,该回收式造斜器包括上接头2,上接头2螺纹连接有拉杆5,上接头2与拉杆5之间的接触面设有胶圈1,拉杆5底端反螺纹连接有拉杆座7,拉杆5外壁套有斜铁6,斜铁6的斜面内的拉杆5套有支撑环3,支撑环3通过销钉与斜铁6的斜面相固定,斜铁6底端通过固定销9与拉杆座7固定在一起,拉杆座7的前端卡在斜铁6的台肩内,斜铁6下端螺纹连接有上本体11,斜铁6与上本体11之间的接触面之间设有胶圈8,上本体11通过剪切销14连接有下本体13,下本体13下端螺纹连接有外筒20,外筒20分为两部分,中间由接头连接,下本体13与外筒20之间的接触面之是设有胶圈15,外筒20壁上沿周向上均匀分布两组通孔,两组通孔分别位于接头的两侧,通孔内安装有牙块19,牙块19通过剪切钉22与外筒20内的活塞18固定连接,活塞18为楔形,活塞18与牙块19的接触面形状相吻合,外筒20 As shown in FIG. I, the retrievable whipstock includes an upper connector 2, the joint 2 is connected to a threaded rod 5, the contact surface between the joint 2 and the rod 5 is provided with an apron, the bottom anti-threaded rod 5 tie rod seat 7, the outer wall of rod 5 with a sleeve 6 wedges, the ramp wedges the lever 6 3 5 sets a support ring, the support ring 3 is fixed by wedges and the inclined surface 6 of the pin, a bottom end fixed wedges 6 pin 9 fixed rod holder 7 together, the front end of the card holder lever 7 in the shoulder wedges 6, the wedges 6 has a threaded connection between the lower end of the contact surface 11 between the upper body 11, the upper body and wedges 6 rubber ring 8 is provided, connected by a shear pin 14 on the body 11 with a lower body 13, lower body 13 is connected to the lower end of the outer cylinder screw 20, the outer cylinder 20 is divided into two portions, connected by an intermediate connector, the lower body 13 and the outer tube the contact surface 20 is provided between the rubber ring 15, the outer cylinder wall 20 uniformly distributed along the circumferential direction two through holes, two on each side of the through-hole joint, through-hole mounting block 19 with teeth, the teeth block 19 is fixedly connected to the piston 18 by shearing the staple 22 and the outer cylinder 20, the piston 18 is wedge-shaped, the shape of the contact surface 18 of the piston block 19 and the tooth coincide, the outer cylinder 20 与活塞18的接触面之间设有胶圈17,外筒20下方设有引子26,引子26通过剪销25与其内腔的接头29连接,引子26下端螺纹连接有地锚28,拉杆座7下方设有芯轴27,芯轴27上端固定连接有芯轴档圈10,芯轴27下端外壁通过牙形齿与接头29连接,芯轴27只能沿着接头29单位移动,锚定有实现自锁,芯轴27下端内壁螺纹连接有丝堵24,芯轴27中部与活塞18连接,活塞18的活塞腔与芯轴27的内腔想通。 The contact surface between the piston 18 is provided with a rubber ring 17, the outer cylinder 20 is provided below the 26 primers, primer 26 is connected thereto by a shear pin 25 lumen connector 29, the primer 26 has a lower end connected to the anchor screw 28, rod holder 7 provided below the mandrel 27, the mandrel 27 fixed to an upper end connected to a ring gear of the mandrel 10, the mandrel 27 is connected through an outer wall of the lower end of the tooth and tooth-shaped joint 29, the spindle 27 can move along the joint unit 29, for realizing anchor self-locking, threaded inner wall of the lower end of the mandrel 27 is connected to plugs 24, the central spindle 27 connected to the piston 18, the piston 18 of the piston chamber and the lumen of the mandrel 27 is figured out. 芯轴27与活塞18之间接触面设有胶圈21,芯轴27与下本体13之间的接触面之间设有胶圈16。 The contact surface between the mandrel 27 and the piston 18 has a rubber ring 21, rubber ring 16 is provided between the contact surfaces 13 between the mandrel 27 and the lower body.

[0008] 支撑环3下方的拉杆5上套有档圈4,档圈4用以稳定斜面。 [0008] The sleeve 4 has a ring gear, bevel gear on the ring 4 for stabilizing rod 5 below the support ring 3.

[0009] 下本体13上安装有定位销12,定位销12的下端位于上本体11的条形槽内,定位销12与斜面夹角180度,用以确定斜面的方位。 [0009] The lower body 13 is mounted on a positioning pin 12, the lower end of the positioning pin 12 is positioned on the body 11 of the stripe groove, the positioning pin 12 and the bevel angle of 180 degrees, to determine the orientation of the bevel.

[0010] 造斜器下到预定位置后,地锚28首先锚定,投钢球23憋压,在液压作用下活塞18带动芯轴27逐渐下移,利用活塞18斜坡推动牙块19扩张,剪切钉被剪断,牙块19贴紧贴套管内壁,泵压急剧上升说明锚定完成。 [0010] After the whipstock to a predetermined position, the first ground anchor 28 anchors, pressure - cast steel balls 23, the piston 18 drives the spindle 27 down gradually under hydraulic pressure, by the piston 18 pushing tooth block 19 slopes expansion, shear staples are cut, the tooth block 19 against the inner wall of the casing, the pump pressure rises sharply anchor complete description. 由于芯轴27末端锯齿形具有自锁能力,锚定后无法松动。 Since the end of the mandrel 27 having a serrated self-locking ability, the anchor can not be loosened. 反向转到上接头2,使拉杆5与拉杆座7分开,抽出上接头2和拉杆5后开始造斜,完成造斜开窗后,利用专用母锥直接打捞上方斜铁6,当拉力超过5t时,剪切销12和剪切销14切断,使上本体11和下本体13拉长并通过芯轴挡圈10带动芯轴27和活塞18向上拉起解除锚定即可拉出工具,实现工具的回收再利用。 Reverse to the joint 2, the draw bar 5 separate tie rod seat 7, after extracting the joint rod 2 and 5 starts whipstock, whipstock window after completion, using a dedicated direct female cone salvage upward wedges 6, when the pulling force exceeds when 5t, and shear pins 12 shear off pin 14, the upper body 11 and lower body 13 and an elongated mandrel through the mandrel 27 and the retaining ring 10 to drive the piston 18 is pulled up to release the anchor pulling tool, tool to achieve recycling.

Claims (3)

1. 一种回收式造斜器,包括上接头(2),其特征在于:所述的上接头(2)连接有拉杆(5),拉杆(5)底端连接有拉杆座(7),拉杆(5)外壁套有斜铁¢),斜铁¢)的斜面内的拉杆(5)套有支撑环(3),支撑环(3)通过销钉与斜铁¢)的斜面相固定,斜铁(6)底端通过固定销(9)与拉杆座(7)固定在一起,斜铁(6)下端连接有上本体(11),上本体(11)通过剪切销(14)连接有下本体(13),下本体(13)下端连接有外筒(20),外筒(20)壁上沿周向上分布两组通孔,通孔内安装有牙块(19),牙块(19)通过剪切钉(22)与外筒(20)内的活塞(18)连接,外筒(20)下方设有引子(26),引子(26)通过剪销(25)与其内腔的接头(29)连接,引子(26)下端连接有地锚(28),拉杆座(7)下方设有芯轴(27),芯轴(27)上端连接有芯轴档圈(10),芯轴(27)下端外壁通过牙形齿与接头(29)连接,芯轴(27)下端 A retrievable whipstock includes an upper joint (2), wherein: said upper fitting (2) is connected with a rod (5), tie rods (5) connected to the bottom end of tie rod seat (7), tie rods (5) of the outer wall sheathed wedges ¢), tie rods (5) sets within wedges ¢) slope with a supporting ring (3), the support ring (3) is fixed by a pin and wedges ¢) slope, ramp iron (6) a bottom end secured together, wedges (6) is connected to the lower end of the body (11) by a fixing pin (9) and the tie rod seat (7), the body (11) is connected by a shear pin (14) has the lower body (13), lower body (13) is connected to the lower end of the outer cylinder (20), an outer cylinder (20) along the circumferential wall of the through-hole groups distributed direction, the through hole is attached to the tooth block (19), the tooth block ( 19) by shearing the staple (22) and the outer cylinder (20) in the piston (18), below the outer cylinder (20) provided with primer (26), primers (26) by a shear pin (25) and its lumen joint (29) is connected, primer (26) is connected to the lower end of the anchor (28), tie rod seat (7) is provided below the mandrel (27), the mandrel (27) is connected to the upper end of the mandrel ring gear (10), the core shaft (27) connected to the lower end of the outer wall of the mandrel (27) and lower teeth by tooth-shaped joint (29) 内壁连接有丝堵(24),芯轴(27)中部与活塞(18)连接。 An inner wall connected to a plug (24), the mandrel (27) and the central piston (18) is connected.
2.根据权利要求I所述的回收式造斜器,其特征在于:支撑环(3)下方的拉杆(5)上套有档圈(4)。 The retrievable whipstock as claimed in claim I, wherein: the lower rod of the support ring (3) (5) on the sleeve with a ring gear (4).
3.根据权利要求I所述的回收式造斜器,其特征在于:下本体(13)上安装有定位销(12),定位销(12)的下端位于上本体(11)的条形槽内。 The retrievable whipstock as claimed in claim I, wherein: the body is mounted on the bottom (13) a positioning pin (12), the lower end of the positioning pin (12) is positioned on the body stripe groove (11) Inside.
CN201210143718.7A 2012-05-09 2012-05-09 Recovery type whipstock CN102704878B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210143718.7A CN102704878B (en) 2012-05-09 2012-05-09 Recovery type whipstock

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Application Number Priority Date Filing Date Title
CN201210143718.7A CN102704878B (en) 2012-05-09 2012-05-09 Recovery type whipstock

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CN102704878A true CN102704878A (en) 2012-10-03
CN102704878B CN102704878B (en) 2016-03-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103277050A (en) * 2013-06-05 2013-09-04 中国石油集团川庆钻探工程有限公司 Recoverable whipstock and combined fishing tool thereof
CN108397137A (en) * 2018-03-01 2018-08-14 中国海洋石油集团有限公司 A kind of deflecting tool and its manufacturing method

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Publication number Priority date Publication date Assignee Title
US5425417A (en) * 1993-09-10 1995-06-20 Weatherford U.S., Inc. Wellbore tool setting system
CN2665340Y (en) * 2003-06-14 2004-12-22 程显强 A toeing device
CN2731064Y (en) * 2004-06-25 2005-10-05 王锡敏 Deflection guider capable of being taking out
CN2763468Y (en) * 2004-12-29 2006-03-08 大港油田集团有限责任公司 Directional sub for side drilling in casing opening
CN201045281Y (en) * 2006-12-30 2008-04-09 阜宁县宏达石化机械有限公司 Well bore guiders
CN201354613Y (en) * 2009-02-20 2009-12-02 张召泉 Self-locking type screw pump oil tube anchoring device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5425417A (en) * 1993-09-10 1995-06-20 Weatherford U.S., Inc. Wellbore tool setting system
CN2665340Y (en) * 2003-06-14 2004-12-22 程显强 A toeing device
CN2731064Y (en) * 2004-06-25 2005-10-05 王锡敏 Deflection guider capable of being taking out
CN2763468Y (en) * 2004-12-29 2006-03-08 大港油田集团有限责任公司 Directional sub for side drilling in casing opening
CN201045281Y (en) * 2006-12-30 2008-04-09 阜宁县宏达石化机械有限公司 Well bore guiders
CN201354613Y (en) * 2009-02-20 2009-12-02 张召泉 Self-locking type screw pump oil tube anchoring device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103277050A (en) * 2013-06-05 2013-09-04 中国石油集团川庆钻探工程有限公司 Recoverable whipstock and combined fishing tool thereof
CN103277050B (en) * 2013-06-05 2015-07-08 中国石油集团川庆钻探工程有限公司 Recoverable whipstock and combined fishing tool thereof
CN108397137A (en) * 2018-03-01 2018-08-14 中国海洋石油集团有限公司 A kind of deflecting tool and its manufacturing method

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