CN103075123B - An electrically driven hydraulic setting tool - Google Patents

An electrically driven hydraulic setting tool Download PDF

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Publication number
CN103075123B
CN103075123B CN201310024878.4A CN201310024878A CN103075123B CN 103075123 B CN103075123 B CN 103075123B CN 201310024878 A CN201310024878 A CN 201310024878A CN 103075123 B CN103075123 B CN 103075123B
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China
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cylinder
piston
setting tool
oil
packer
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CN201310024878.4A
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CN103075123A (en
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夏赣民
闫守红
刘宇辉
陆金波
王强
曾义全
丁士东
何祖清
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中国石油化工股份有限公司石油工程技术研究院
中国航天科技集团公司烽火机械厂
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Abstract

本发明公开一种电液驱动坐封工具,包括上部接头、平衡活塞、缸筒、泵站系统、作动缸、内套和外套,所述的上部接头位于缸筒顶部连接井上电源等装置;平衡活塞滑套于缸筒内,与缸筒以及缸筒底部的作动缸组成封闭腔体作为系统油箱,泵站系统位于腔体内,为作动缸输出高压油;内套上部通过螺纹与作动缸的作动缸筒底部连接,内套下部与封隔器的心轴连接,外套滑套于内套上,通过连接装置与作动缸的活塞杆连接,外套再与外部封隔器的可膨胀式压缩部分连接,活塞杆由于液压作用推动外套进行坐封动作。 The present invention discloses an electrically driven hydraulic setting tool, comprising an upper joint, a balance piston, cylinder, pump system, the actuator cylinder, the inner sleeve and outer sleeve, an upper joint at the top of the cylinder is connected uphole power supply means; balance piston sleeve in the cylinder bore, the cylinder and the bottom of the cylinder actuator cylinder system consisting of a closed chamber as a tank, pump system is located in the cavity, the cylinder of actuator pressure oil output; an inner sleeve portion for threadedly the cylinder actuator connected to the bottom cylinder, and the inner shell lower packer mandrel connected to the outer sleeve in the sleeve, connected to the actuating cylinder piston rod by connection means, and then coat the external packer inflatable compression connector portion, since the hydraulic piston for the outer packer role in promoting operation. 本发明所述的电液驱动坐封工具可以向可膨胀式封隔器提供较大轴向推力,并且可回收重复利用,还可以根据不同井况改变轴向推力,适用于任何一种封隔器。 Electrohydraulic drive according to the present invention may provide a setting tool to the large axial thrust inflatable packer, recyclable and reused, according to any one may also be different well conditions change packer axial thrust for device.

Description

一种电液驱动坐封工具 An electrically driven hydraulic setting tool

技术领域 FIELD

[0001] 本发明涉及一种井下坐封工具,尤其涉及一种电液驱动坐封工具。 [0001] The present invention relates to a downhole packer tool, particularly to an electro-hydraulic driven setting tool.

背景技术 Background technique

[0002]目前,油气田完井过程中,尤其是水平井、大位移井完井过程中,需要用顶部封隔器将一部分生产管柱悬挂在套管内,下入的管柱在完成对封隔器的坐封后,需要从封隔器上丢开,从井口提出下入管柱。 [0002] Currently, oil and gas well completion process, especially in horizontal wells, extended reach well completion process, the need to use a portion of the top packer production tubing string suspended within the casing string at the completion of the packer 's sitting win the title, aside from the need packer proposed landing string from the wellhead. 但是,对于各种不同类型的封隔器,一般的做法是采用不同的丢手机构,并且丢手机构往往和封隔器设计成一体,一旦完成作业后,丢手机构一般废弃不用,极大的浪费资源;由于需要承载较高拉、压载荷且具有多种丢手方式的封隔器不但价格昂贵。 However, for a variety of different types of packers, the general practice is to use a different mechanism lost hand, and the hand throw means and the packer is often designed in one piece, once the job is completed, the hand throw means is generally abandoned, greatly waste of resources; the need to carry high tensile and compressive loads and having a plurality of hand throw mode is not only expensive packers. 机构复杂。 Complex structure. 加工和组装调试工作都复杂,同时通用性极差,下井工作时易失效,限制了其使用。 Machining and assembly debugging complex work, while general very poor, prone to failure when to go down, limiting its use. 因此实际应用中的丢手封隔器,为封隔器丢手提供轴向推力的多为炸药方式,利用炸药爆炸产生的高压气体推动封隔器进行剪销,从而实现丢手。 Therefore in practical application the hand throw packer, packer throw hand to provide axial thrust mostly explosive manner, with the high pressure gas generated by detonation of an explosive push packer shear pin, in order to achieve the hand throw. 但是在井下高温高压的环境下,用电信号引爆炸药,非常危险,一个不慎就有可能使得油井报废等。 However, at high temperature and pressure downhole environment, an electrical signal to detonate the explosive, it is very dangerous, so that a mistake is likely to wells scrapped. 而且此方式的封隔器坐封工具易因炸药爆炸而损毁,使得其重复利用率低,基本上就是一次性的;再者,炸药爆炸产生的是绝对压力,随着封隔器坐封深度的不同而需要填充不同的炸药用量来提供不同的压力。 Also in this embodiment the packer setting tool and easily damaged by explosive, so repeated use is low, basically disposable; Furthermore, Explosive and absolute pressure, packer with packer depth different explosive require different fill amounts to provide different pressures.

发明内容 SUMMARY

[0003] 本发明所要解决的技术问题和提出的技术任务是对现有技术进行改进,提供一种电液驱动坐封工具,解决目前技术中坐封工具一次性使用造成极大浪费的问题,并且能够提供较大的轴向推力。 [0003] The present invention solves the technical problem and proposed technical task is to improve the prior art, to provide an electro-hydraulic setting tool driven, solution to the current setting tool technology single-use issues caused great waste, and can provide a large axial thrust.

[0004] 为解决以上技术问题,本发明的技术方案是: [0004] To solve the above technical problem, the technical solution of the present invention is:

[0005] 一种电液驱动坐封工具,包括上部接头、平衡活塞、缸筒、泵站系统、作动缸、内套和外套,所述的上部接头位于缸筒顶部连接井上电源及电路处理装置;平衡活塞滑套于缸筒内,与缸筒以及位于缸筒底部的作动缸组成一个封闭腔体作为系统油箱,泵站系统位于腔体内,为作动缸输出高压油;内套上部通过螺纹与作动缸中的作动缸筒底部连接,内套下部与外部封隔器的心轴连接;外套滑套于内套上,通过连接装置与作动缸的活塞杆连接,夕卜套底部与外部封隔器的可膨胀式压缩部分连接,活塞杆由于高压油作用产生轴向运动推动外套进行封隔器的坐封动作。 [0005] An electrically driven hydraulic setting tool, comprising an upper joint, a balance piston, cylinder, pump system, the actuator cylinder, the inner sleeve and outer sleeve, an upper joint at the top of the cylinder and connected to the power supply circuit for processing uphole means; balance piston sleeve in the cylinder bore, the cylinder and the actuator cylinder at the bottom of the cylinder chamber form a closed system as a tank, pump system is located in the cavity, the cylinder of actuator pressure oil output; an inner sleeve portion the bottom of the cylinder by actuating the actuating cylinder with thread connection, the lower portion of a mandrel with an external sleeve connected to the packer; put in the outer sleeve, a piston rod connected to the actuator cylinder via the connecting means, Xi Bu inflatable compression sleeve and the outer portion of the bottom is connected to the packer, packer generating operation rod axial movement of the push outer packer effect due to high pressure oil.

[0006] 进一步的,所述的上部接头还包括电连接器座、电连接器和导线管,上部连接头外表面有螺纹用于连接外部井上电源,上部连接头中心有轴向通孔,电连接器座和电连接器位于通孔上部,导线管通过螺纹固定在通孔下部用于电缆线通过。 [0006] Further, the upper joint further comprising an electrical connector housing, an electrical connector and a conduit, the upper outer surface of the connecting head is threaded for connection to an external power source uphole, the upper connector has an axial through hole, electrical connector housing and electrical connectors located in the upper through hole, through conduit for cables by screwing in the lower portion of the through hole.

[0007] 进一步的,所述的平衡活塞中心有孔,穿过导线管,导线管底端有限位螺母,限制平衡活塞最大行程,上部连接头环向分布有外大内小的平衡孔,联通外界套管环境介质和平衡活塞形成压力平衡通道。 [0007] Further, the center hole of the balance piston, through the conduit, the bottom end of the conduit nut finite bit, limits the maximum stroke of the balance piston, an upper ring header connected to the outer large balance holes distributed within a small, Unicom the external sleeve and the balance piston environmental medium pressure equalization channel is formed.

[0008] 进一步的,所述的泵站系统包括电机、柱塞泵和油路块组件,电机通过螺钉固定在缸筒内部的安装座上,电机与柱塞泵通过联轴器进行传动,柱塞泵放入柱塞泵安装壳体并与安装座用螺钉固定。 [0008] Further, the pump system includes a motor, piston pump and manifold block assembly, the motor, the motor drive for the piston pump, the column through a coupling screwed in the interior of the cylinder mounting base a pump housing mounted into the piston plug and screw mount fixed.

[0009] 进一步的,所述的柱塞泵侧边有柱塞泵进油口,通过柱塞泵安装壳体上对应的孔与系统油箱相通,底部有柱塞泵高压出油口,通过油液通道与油路块组件中的溢流阀连接,溢流阀与系统油箱连通,调节油液输出压力。 [0009] Further, the piston has a piston side oil inlet through the piston housing corresponding mounting hole in communication with the system tank, the bottom high-pressure plunger pump oil outlet through the oil fluid passage connected to the oil spill valve block assembly of the relief valve in communication with the tank system, adjusting the fluid pressure output.

[0010] 进一步的,所述的油路块组件还包括二位四通电磁阀和双向锁,二位四通电磁阀通过油液通道与溢流阀连接,液压油通过二位四通电磁阀后有高压出油通道一和高压出油通道二,经过双向锁分别进入油液通道一和油液通道二。 [0010] Further, the oil passage block assembly further comprises two four-way solenoid valve and two-way lock, two four-way solenoid valve is connected through a fluid passage and a relief valve, the hydraulic oil through the two-way solenoid valve after the high-pressure oil passage and a high pressure oil passage two through reversible lock into the fluid passage and a fluid channel II, respectively.

[0011] 进一步的,所述的作动缸包括连接螺塞、作动缸筒、导流管和活塞杆,缸筒通过连接螺塞与作动缸筒连接,连接螺塞中设有与油液通道一和油液通道二分别连通的油液通道三和油液通道四。 [0011] Further, said plug connector comprising a cylinder actuator, the actuator cylinder, and the piston rod guide tubes, by connecting the cylinder plug to the actuator cylinder, connecting plug is provided with an oil and a fluid passage communicating the oil passage, respectively, two and three oil passages oil passage four.

[0012] 进一步的,所述的导流管顶部与连接螺塞固定连接并连通油液通道四,活塞杆呈T型,滑套于导流管上,活塞杆上部与作动缸筒内壁面接触可滑动,将作动缸筒分隔为上腔室和下腔室,上腔室与油液通道三连通,活塞杆在下腔室处设有油液通道五,下腔室通过油液通道五与导流管连通。 [0012] Further, the top of the draft tube and is fixedly connected to the connecting plug passage communicating oil four T-shaped rod, the guide sleeve in the tube, an upper piston rod actuator cylinder bore wall slidably contacts the actuator cylinder divided into three communicating the upper chamber and a lower chamber, the upper chamber and the fluid passage, the piston rod of the lower chamber is provided with five oil passages, the oil passage chamber through five tube in communication with the flow.

[0013] 进一步的,所述的内套壁面底部均分布安装孔通过销与外部封隔器心轴连接,壁面还设置有长条状滑动槽。 [0013] Further, the bottom wall surface of said inner sleeve through a pin mounting holes are distributed with the external packer mandrel connected to the wall surface is further provided with elongate slide groove.

[0014] 进一步的,所述的外套壁面有与滑动槽相配合的槽,槽中装有连接块,连接块通过螺钉安装于推力块上,推力块固定在活塞杆的底端。 [0014] Further, the outer wall surface of the slide groove cooperating with a groove, the groove with the connector block, the connecting block is mounted by screws to the thrust block, the thrust block is fixed at the bottom end of the piston rod.

[0015] 与现有技术相比,本发明优点在于: [0015] Compared with the prior art, advantages of the present invention comprising:

[0016] 本发明所述的电液驱动坐封工具可产生较高的轴向推力,并可回收重复利用,可以根据不同的井况要求,通过调整溢流阀的溢流压力来改变输出的轴向推力,可适用于任何一种封隔器,其结构简单可靠,整体结构相对独立,对于不同系列的封隔器,只需将接口部分的上部接头和内套、外套等少量部件进行与封隔器相应匹配更换即可。 [0016] The present invention is electrically driven hydraulic setting tool may produce higher axial thrust, and recycled reuse, depending on the well conditions may be required, by adjusting the relief pressure of the relief valve to change the output axial thrust, is applicable to any one of the packer, the structure is simple and reliable, relatively independent of the overall structure, for different series of packer, the only portion of the interface connector and the upper inner sleeve, outer sleeve member with the other small packer adapted accordingly replaced. 本发明的坐封工具除作动缸在进行丢手动作时需要承受高压外,在非丢手动作状态由于平衡活塞的作用而处于内外压力平衡状态,非作动缸零部件始终不用承受太高的压差。 Setting tool of the present invention, in addition to the need for performing cylinder throw withstand the pressure outside the hand movement, the hand throw the non-operating state due to the action of the piston in balance and external pressure balanced state, the non-actuated cylinder not always withstand the high parts differential pressure.

附图说明 BRIEF DESCRIPTION

[0017] 图1为本发明的结构示意图; [0017] FIG. 1 is a schematic view of the structure of the present invention;

[0018] 图2为本发明的上部缸筒部分细节结构示意图; [0018] The details of the structure of the upper portion of the cylinder of FIG. 2 is a schematic view of the present disclosure;

[0019] 图3为本发明的下部作动缸部分细节结构示意图; A lower portion of the present invention [0019] Fig 3 a schematic view of some details of the structure of the actuator cylinder;

[0020] 图4为本发明的井下工作情况示意图。 [0020] FIG. 4 is a schematic view of a downhole operation of the invention.

具体实施方式 Detailed ways

[0021] 下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。 [0021] below in conjunction with the present invention in the accompanying drawings, technical solutions of embodiments of the present invention are clearly and completely described, obviously, the described embodiments are merely part of embodiments of the present invention, but not all embodiments example. 基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without any creative effort shall fall within the scope of the present invention.

[0022] 本发明实施例公开的一种电液驱动坐封工具,以达到可回收重复使用,并且适用于各种封隔器为目的。 Hydro-electrical embodiment of the disclosed embodiment [0022] of the present invention is driven setting tool, in order to achieve reuse recoverable, and is suitable for a variety of purposes packer.

[0023] 参见图1和图2,一种电液驱动坐封工具,包括上部接头1、平衡活塞5、缸筒7、泵站系统、作动缸、内套22和外套23,所述的上部接头I位于缸筒7顶部连接井上电源及电路处理装置;平衡活塞5滑套于缸筒内,与缸筒7以及位于缸筒7底部的作动缸组成一个封闭腔体作为系统油箱27,泵站系统位于腔体内,为作动缸输出高压油;内套22通过其上部螺纹与作动缸中的作动缸筒19底部连接,内套22下部与外部封隔器的心轴连接;外套23滑套于内套22上,通过连接装置与作动缸的活塞杆21连接,外套23底部与外部封隔器的可膨胀式压缩部分连接,活塞杆21由于高压油作用产生轴向动力推动外套23进行封隔器的坐封动作。 [0023] Referring to Figures 1 and 2, an electrically driven hydraulic setting tool, comprising an upper joint 1, the balance piston 5, the cylinder 7, pump system, the actuator cylinder, the inner sleeve 22 and outer sleeve 23, the I linker located on top of the upper portion 7 and a power supply circuit connected to the uphole processing apparatus cylinder; balance piston 5 sleeve in the cylinder bore, the cylinder 7 and the actuating cylinder 7 at the bottom of the cylinder chamber form a closed system as the tank 27, Pumping system is located within the cavity, the cylinder of actuator pressure oil output; the inner sleeve 22 is connected by a bottom and a threaded upper portion of the cylinder actuator actuating cylinder 19, the lower portion of the inner sleeve 22 and the outer packer mandrel connected; inflatable compression sleeve 23 on the outer portion of the inner sleeve 22, by a connecting means for connecting the cylinder piston rod 21, the outer jacket 23 and the bottom packer connected to the piston rod 21 due to the action of high pressure oil to produce an axial force action to promote the coat packer 23 packer.

[0024] 上部连接头I还包括电连接器座2、电连接器3和导线管4,上部连接头I外表面有螺纹用于连接外部井上电源,上部连接头中心有轴向通孔,电连接器座2和电连接器3位于通孔上部,将井上电源或信号传递到电机和电磁阀,导线管4通过螺纹固定在通孔下部用于电缆线通过。 [0024] I further upper connector housing 2 includes an electrical connector, the electrical connector 3 and the conduit 4, the upper portion of the outer surface I connector for connecting an external threaded uphole power source, the upper connector has an axial through hole, electrical the connector housing 2 and the electrical connector through holes in the upper part 3, the power or signal transmission uphole to the motor and the solenoid valves, the conduit 4 is fixed to the lower portion by a screw through hole for through cables.

[0025] 平衡活塞5中心有孔,穿过导线管4,导线管4底端有限位螺母6,限制平衡活塞最大行程。 [0025] The center hole 5 of the balance piston, the balance piston stroke through conduit 4, the bottom end of conduit 4 finite bit nut 6, limits. 上部连接头环向分布有平衡孔26,联通外界套管环境介质和平衡活塞5形成压力平衡通道,平衡活塞5将外界环境介质与系统内部油液隔离开,并将外界压力传导进系统内部,使得系统内外压力平衡;平衡孔26外大内小,可防止大的沙粒进入平衡活塞内部;大孔带有螺纹,可作紧固扳手空用。 An upper connector ring 26 to the distribution of the balance hole, the external casing Unicom environmental medium and a balance piston pressure equalization channel 5 is formed, the balance piston 5 with the ambient medium oil is isolated within the system, and ambient pressure transmission into the interior of the system, so that the pressure balance inside and outside the system; large balance holes 26 outside the small, prevent a large sand into the interior of the balance piston; macroporous threaded fastening wrench can be used with empty.

[0026] 泵站系统包括电机8、柱塞泵11和油路块组件14,电机8通过螺钉固定在缸筒7内部的安装座9上,电机8与柱塞泵11通过联轴器10进行传动,柱塞泵11放入柱塞泵安装壳体12并与安装座9用螺钉固定。 [0026] The pump system comprises a motor 8, a block oil path 11 and the piston assembly 14, the motor 8 9, the motor 8 through a coupling 10 and the piston 11 is fixed by screws in the interior of the cylinder tube 7. mount drive, piston 11 is mounted into the piston housing 12 and the mounting base 9 with screws.

[0027] 柱塞泵11侧边有柱塞泵进油口,通过柱塞泵安装壳体12上对应的孔与系统油箱27相通,底部有柱塞泵高压出油口,高压油通过出油口及出油口堵头13进入油液通道,柱塞泵11通过油液通道与油路块组件14中的溢流阀15连接,溢流阀15有油路与系统油箱27连通,调节溢流阀15可调节柱塞泵11出口油液输出压力。 [0027] The piston 11 has a piston side oil inlet through the piston housing 12 is mounted on a corresponding hole 27 in communication with the tank system, the bottom of the high pressure plunger pump oil outlet, the high pressure oil through the oil plug and oil outlet port 13 into the oil passage 11 is connected through the piston 14 and the spill passage block assembly fluid passage 15, the relief valve 15 has a passage 27 communicating with the tank system, adjusting the overflow piston valve 15 may be adjustable output pressure fluid outlet 11.

[0028] 油路块组件14还包括二位四通电磁阀16和双向锁17,柱塞泵11的输出的高压油经过溢流阀15之后通过油液通道与二位四通电磁阀16的输入高压油液口连接,二位四通电磁阀16还有低压出油通道28与系统油箱27连通,高压油经过二位四通电磁阀16后有高压出油通道一29和高压出油通道二30,当电磁阀失电时,输出高压油液通过高压出油通道一29输出,反之当电磁阀得电时,输出高压油液通过高压出油通道二30,由此来控制下游作动缸的动作方向,高压出油通道一29和高压出油通道二30经过双向锁17后分别进入油液通道一32和油液通道二31。 [0028] The manifold block assembly 14 further comprises a two-way solenoid valve 16 and two-way lock 17, the high pressure oil output after the piston 11 through the oil passage 15 and the spill valve two-way solenoid valve 16 connecting the high pressure oil input port, two-way solenoid valve 16 as well as the low-pressure oil passage 28 and the tank 27 in communication systems, high-pressure oil through the two-way solenoid valve 16 has a high pressure oil passage 29 and the high pressure oil passage two 30, when the solenoid valve is energized, the output of the high-pressure oil through the high pressure output oil passage 29 a, whereas when the solenoid valve is energized, high pressure oil through the high pressure output of the two oil passage 30, thereby controlling the actuation downstream the operation direction of the cylinder, a high pressure oil passage 29 and the high pressure oil passage 30 through the two way lock 17 respectively to a fluid passage 32 and fluid passage 31 two.

[0029] 参见图3,作动缸包括连接螺塞18、作动缸筒19、导流管20和活塞杆21,缸筒7通过连接螺塞18与作动缸筒19连接,连接螺塞中设有油液通道三34和油液通道四33分别与油液通道一32和油液通道二31连通。 [0029] Referring to Figure 3, the actuator comprising a cylinder plug connector 18, the actuator cylinder 19, draft tube 20 and the piston rod 21, the cylinder 7 by connecting the plug 18 and the cylinder actuator 19 is connected, the connection plug the oil passage 34 is provided with three and four fluid channels 33 are in communication with a fluid passage 32 and fluid passage 31 two. 导流管20顶部与连接螺塞18固定连接并连通油液通道四33,活塞杆21呈T型,滑套于导流管20上,活塞杆21上部与作动缸筒19内壁面接触可滑动,将作动缸筒19分隔为上腔室35和下腔室37,上腔室35与油液通道三34连通,活塞杆21在下腔室37处设有油液通道五36,下腔室37通过油液通道五36与导流管20连通。 Connector plug 20 and the top of the draft tube 18 is fixedly connected to the communication oil passage four and 33, the piston rod 21 has a T-shaped sleeve to the draft tube 20, the upper portion 19 of the piston rod 21 into contact with the inner wall surface of the cylinder actuator can sliding the actuator cylinder 19 is partitioned into upper chamber 35 and lower chamber 37, the chamber 35 communicates with the three fluid channels 34, 21 at the lower chamber of the piston rod 37 is provided with five oil passage 36, the lower chamber chamber 37 through the oil passage 36 and the five draft tube 20 in communication. 当泵站系统的高压油液从油液通道一32通过油液通道三34进入到上腔室35时,活塞杆21向下腔室运动,下腔室37的油液通过油液通道五36进入导流管20中,并经过油液通道四33输入到油液通道二31,此时活塞杆伸出,输出推力。 When the high pressure oil into the pump system from an oil passage 32 through the oil passage 34 three upper chamber 35, the piston rod 21 downwards movement chamber, the oil chamber 37 through the oil passage 36 five into the draft tube 20, and through the oil passage 33 is inputted to four two oil passage 31, the piston rod out this time, the output thrust. 反之,当高压油液从油液通道二31通过油液通道四33输入到下腔室37时,此时活塞杆收回。 Conversely, when the high pressure fluid from the oil passage 31 is inputted to the two chambers 37 through four oil passages 33, when the piston rod retracted.

[0030] 内套22壁面底部均分布安装孔39通过销与外部封隔器心轴连接,壁面还设置有长条状滑动槽38。 The inner wall surface of the bottom cover 22 [0030] The mounting holes 39 are distributed through an external pin connected to the packer mandrel, the wall is also provided with a slide groove 38 elongated.

[0031] 外套23与封隔器的可膨胀式压缩部分连接,外套23壁面有与滑动槽38相配合的若干槽,槽中装有与槽大小相适应的连接块24,连接块24通过螺钉安装于推力块25上,推力块25固定在活塞杆21的底端。 [0031] Jacket 23 is connected to the inflatable packer compression portion, the outer wall 23 has a plurality of grooves 38 cooperating with the slide groove, with groove and groove connection adapted to the size of the block 24, block 24 is connected by screws 25 mounted on the thrust block, the thrust block 25 fixed to the bottom end 21 of the piston rod. 当活塞杆21运动时,连接块24在内套22上的滑动槽38中滑动,并推动外套23进行封隔器的坐封动作,达到输出轴向推力的目的。 When moving the piston rod 21, the slide 38 connected to the sliding groove 22 on the inner sleeve 24, outer sleeve and push the setting operation of the packer 23, the purpose of axial thrust output.

[0032] 参见图4,其他井下工具40安装在电液驱动坐封工具41顶端,封隔器42连接在电液驱动坐封工具41底端,当坐封工具工作时,电机8通电开始转动,柱塞泵输出高压油,通过溢流阀15调节输出的压力,然后经过二位四通电磁阀16和双向锁17后提供给作动缸,高压油推动作动缸中的活塞杆21伸出或者收回,当活塞杆21伸出时,推动外套23实现封隔器42的坐封和剪销。 [0032] Referring to Figure 4, another downhole tool 40 is mounted on the electro-hydraulic setting tool 41 to the top drive, the packer 42 is electrically connected to the driver 41 sitting on the bottom liquid sealing tool, setting tool when the work starts rotating the motor 8 is energized , the output piston pump high pressure oil through the relief valve to regulate the pressure output 15, and then after two four-way and two-way solenoid valve 16 is supplied to the lock actuator cylinder 17, high pressure oil cylinder push rod actuator 21 projecting out or retracting, when the piston rod 21 extends, pushing the jacket 23 to achieve the packer and the packer 42 of the shear pin.

[0033] 以上仅是本发明的优选实施方式,应当指出的是,上述优选实施方式不应视为对本发明的限制,本发明的保护范围应当以权利要求所限定的范围为准。 [0033] The above are only preferred embodiments of the present invention, it should be noted that the above-described preferred embodiments should not be construed as limiting the present invention, the scope of the present invention reference should be made to the scope defined by the claims. 对于本技术领域的普通技术人员来说,在不脱离本发明的精神和范围内,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 Those of ordinary skill in the art, in the present invention without departing from the spirit and scope, can make various improvements and modifications, improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (10)

1.一种电液驱动坐封工具,包括上部接头(I)、平衡活塞(5)、缸筒(7)、泵站系统、作动缸、内套(22)和外套(23),所述的上部接头(I)位于缸筒(7)顶部连接井上电源及电路处理装置;平衡活塞(5)滑套于缸筒内,与缸筒(7)以及位于缸筒(7)底部的作动缸组成一个封闭腔体作为系统油箱(27),泵站系统位于腔体内,为作动缸输出高压油;内套(22)上部通过螺纹与作动缸中的作动缸筒底部连接,内套(22)下部与外部封隔器的心轴连接;外套(23)滑套于内套(22)上,通过连接装置与作动缸的活塞杆(21)连接,外套(23)底部与外部封隔器的可膨胀式压缩部分连接,活塞杆(21)由于高压油作用产生轴向运动推动外套(23)进行封隔器的坐封动作。 An electrically driven hydraulic setting tool, comprising an upper joint (the I), a balance piston (5), the cylinder (7), pump system, the actuator cylinder, the inner sleeve (22) and the housing (23), the said upper fitting (I) located in the cylinder (7) and the top of the power supply circuit is connected uphole processing apparatus; balance piston (5) loosely fitted in the cylinder bore, the cylinder (7) and located in the cylinder (7) for the bottom cylinder form a closed cavity as a tank system (27), pump system is located in the cavity, the cylinder of actuator pressure oil output; an inner sleeve (22) by a threaded connection to the upper actuator cylinder actuator cylinder bottom, inner sleeve (22) the mandrel lower portion is connected to an external packer; jacket (23) on the sleeve in the sleeve (22), (21) connected to the actuating cylinder piston by the connecting means, the jacket (23) at the bottom connection with an external inflatable packer compression portion of the piston rod (21) due to the action of high pressure oil to promote axial movement housing (23) for the setting of the packer operation.
2.根据权利要求1所述的电液驱动坐封工具,其特征在于,所述的上部接头(I)还包括电连接器座(2)、电连接器(3)和导线管(4),上部连接头(I)外表面有螺纹用于连接外部井上电源,上部连接头⑴中心有轴向通孔,电连接器座⑵和电连接器⑶位于通孔上部,导线管(4)通过螺纹固定在通孔下部用于电缆线通过。 2. The electro-hydraulic drive according to claim 1, setting tool, characterized in that said upper fitting (I) further includes an electrical connector housing (2), an electrical connector (3) and the conduit (4) the upper connector (I) with a threaded outer surface for connection to an external power source uphole, ⑴ upper connector has an axial through hole, the electrical connector and the electrical connector housing ⑵ ⑶ located above the through hole, a conductor (4) screwed to the lower portion via a through hole for the cable.
3.根据权利要求2所述的电液驱动坐封工具,其特征在于,所述的平衡活塞(5)中心有孔,穿过导线管(4),导线管(4)底端有限位螺母(6),限制平衡活塞(5)最大行程,上部连接头(I)环向分布有外大内小的平衡孔(26),联通外界套管环境介质和平衡活塞(5)形成压力平衡通道。 According to claim 2, wherein said electrically driven hydraulic setting tool, characterized in that said balance piston (5) with a central hole, through the conduit (4), conduit (4) the bottom end of a limiting nut (6), limits a balance piston (5) maximum stroke, the upper connector (I) with an outer circumferentially distributed within a small large balance holes (26), the external sleeve Unicom environmental medium and a balance piston (5) pressure equalization passages are formed .
4.根据权利要求1所述的电液驱动坐封工具,其特征在于,所述的泵站系统包括电机(8)、柱塞泵(11)和油路块组件(14),电机⑶通过螺钉固定在缸筒(7)内部的安装座(9)上,电机(8)与柱塞泵(11)通过联轴器(10)进行传动,柱塞泵(11)放入柱塞泵安装壳体(12)并与安装座(9)用螺钉固定。 According to claim 1, wherein said electrically driven hydraulic setting tool, wherein said pump system includes a motor (8), piston (11) and a manifold block assembly (14), through the motor ⑶ screwed to the cylinder tube (7) inside the mount (9), the motor (8) and a plunger pump (11) through a coupling gear (10), piston (11) into the piston pump is mounted a housing (12) and the mounting seat fixing screws (9).
5.根据权利要求4所述的电液驱动坐封工具,其特征在于,所述的柱塞泵(11)侧边有柱塞泵进油口,通过柱塞泵安装壳体(12)上对应的孔与系统油箱(27)相通,底部有柱塞泵高压出油口,通过油液通道与油路块组件(14)中的溢流阀(15)连接,溢流阀(15)与系统油箱(27)连通,调节油液输出压力。 The electro-hydraulic claimed in claim 4 driven setting tool, characterized in that said piston pump (11) with a piston side oil inlet, a piston is mounted through the housing (12) tank system corresponding holes (27) communicating the bottom of the high pressure plunger pump oil outlet, the oil passage and the oil passage via the relief valve block assembly (15) (14), the relief valve (15) and The system tank (27) communicating the output pressure adjusting fluid.
6.根据权利要求4所述的电液驱动坐封工具,其特征在于,所述的油路块组件(14)还包括二位四通电磁阀(16)和双向锁(17),二位四通电磁阀(16)通过油液通道与溢流阀(15)连接,液压油通过二位四通电磁阀(16)后有高压出油通道一(29)和高压出油通道二(30),经过双向锁分别进入油液通道一(32)和油液通道二(31)。 6. The electro-hydraulic drive according to claim 4, wherein the setting tool, characterized in that said passage block assembly (14) further comprises a two-way solenoid valve (16) and reversible lock (17), two a four-way solenoid valve (16) connected by a fluid passage and a relief valve (15), the hydraulic oil through the two-way solenoid valve has a high pressure oil passage (29) and the high pressure oil passage after two (16) (30 ), respectively, into the oil through the bidirectional channel having a lock (32) and two oil passages (31).
7.根据权利要求1所述的电液驱动坐封工具,其特征在于,所述的作动缸包括连接螺塞(18)、作动缸筒(19)、导流管(20)和活塞杆(21),缸筒(7)通过连接螺塞(18)与作动缸筒(19)连接,连接螺塞(18)中设有与油液通道一(32)和油液通道二(31)分别连通的油液通道三(34)和油液通道四(33)。 7. The electro-hydraulic drive according to claim 1, setting tool, characterized in that said actuator cylinder comprises a connector plug (18), the actuator cylinder (19), draft tube (20) and the piston rod (21), the cylinder (7) actuating cylinder (19) connected by a connector plug (18) with the plug connector (18) is provided with a fluid passage (32) and two oil passages ( 31) respectively in fluid communication with three channels (34) and four fluid passage (33).
8.根据权利要求7所述的电液驱动坐封工具,其特征在于,所述的导流管(20)顶部与连接螺塞(18)固定连接并连通油液通道四(33),活塞杆(21)呈T型,滑套于导流管(20)上,活塞杆(21)上部与作动缸筒(19)内壁面接触可滑动,将作动缸筒(19)分隔为上腔室(35)和下腔室(37),上腔室(35)与油液通道三(34)连通,活塞杆(21)在下腔室(37)处设有油液通道五(36),下腔室(37)通过油液通道五(36)与导流管(20)连通。 According to claim 7, wherein said electrically driven hydraulic setting tool, characterized in that said draft tube (20) connected to the top of the plug (18) and is fixedly connected to the communication oil channel, 4 (33), the piston lever (21) is T-shaped, in the draft tube sleeve (20), a piston rod (21) and an upper cylinder actuator (19) slidably contacting an inner wall surface of the actuator cylinder (19) of the partition the upper chamber (35) and the three oil passage (34) communicating the chamber (35) and a lower chamber (37), a piston rod (21) in the lower chamber (37) is provided at the oil passage five (36) , the lower chamber (37) through the oil passage communicates five (36) and the draft tube (20).
9.根据权利要求1所述的电液驱动坐封工具,其特征在于,所述的内套(22)壁面底部均分布安装孔(39)通过销与外部封隔器心轴连接,壁面还设置有长条状滑动槽(38)。 9. The electro-hydraulic drive according to claim 1 setting tool, characterized in that the bottom wall surface of said inner sleeve (22) are distributed mounting hole (39) via an external pin packer mandrel, the wall further It is provided with elongated slide groove (38).
10.根据权利要求9所述的电液驱动坐封工具,其特征在于,所述的外套(23)壁面有与滑动槽(38)相配合的槽,槽中装有连接块(24),连接块(24)通过螺钉安装于推力块(25)上,推力块(25)固定在活塞杆(21)的底端。 10. The electro-hydraulic drive according to claim 9, setting tool, characterized in that said housing (23) has a groove wall surface of the slide groove (38) cooperating, with slots connecting block (24), connection block (24) attached to the thrust block by screws (25) on a thrust block (25) fixed to the bottom of the piston (21).
CN201310024878.4A 2013-01-23 2013-01-23 An electrically driven hydraulic setting tool CN103075123B (en)

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