CN101956531B - Underground horizontal drilling combined drilling tool of oil well drilling platform - Google Patents

Underground horizontal drilling combined drilling tool of oil well drilling platform Download PDF

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Publication number
CN101956531B
CN101956531B CN 200910012539 CN200910012539A CN101956531B CN 101956531 B CN101956531 B CN 101956531B CN 200910012539 CN200910012539 CN 200910012539 CN 200910012539 A CN200910012539 A CN 200910012539A CN 101956531 B CN101956531 B CN 101956531B
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drilling
tool
well
horizontal
underground
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CN 200910012539
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Chinese (zh)
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CN101956531A (en )
Inventor
刘勇
徐志刚
徐永利
昌成刚
李灏
王军义
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中国科学院沈阳自动化研究所
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Abstract

The invention relates to oil underground drilling equipment, in particular to an underground horizontal drilling combined drilling tool of an oil well drilling platform for completing the tapping of the steel sleeve wall as well as the cement and the lithosphere through descending into a well for once. An execution mechanism of the underground horizontal drilling combined drilling tool is dividedinto an inner layer, a middle layer and an outer layer; the underground horizontal drilling combined drilling tool comprises a drilling tool for drilling the steel sleeve wall and a guide apparatus for tapping the cement and the lithosphere, wherein the drilling tool and the guide apparatus are driven by a location hydraulic cylinder to perform reciprocating motion, so as to complete the horizontal drilling of the steel sleeve wall as well as the cement and the lithosphere through descending into the well for once and greatly improve the underground horizontal tapping efficiency; a drill in the drilling tool is flexible; the feeding direction of a feeding hydraulic cylinder is the axial direction of the shell of the execution mechanism, therefore, the occupancy space of the drilling tool is decreased and the size of the execution mechanism is reduced; a power source provides power for the execution mechanism through an oil pipe which has good sealing with a sealing connector so that special sealing for a motor and a battery as well as a wire is not needed. The equipment of the invention has the advantages of simple structure, convenient operation and low cost.

Description

石油钻井平台井下水平钻孔组合钻具 Underground oil rig drilling horizontal drilling combined

技术领域 FIELD

[0001] 本发明涉及石油井下钻孔设备,具体地说是ー种通过一次下井即可完成钢套管壁及水泥和岩石层开孔的石油钻井平台井下水平钻孔组合钻具。 [0001] The present invention relates to downhole oil drilling equipment, in particular by one kind ー go down to complete the steel casing wall and cement layer opening and rock oil rig horizontal drilling downhole drilling combinations.

背景技术 Background technique

[0002] 为了满足石油开采エ艺的要求,需要在井下套管壁上、不同深度处开钻水平孔。 [0002] In order to meet the requirements of oil drilling Ester arts, required downhole casing wall, at different depths drilling horizontal holes. 开孔时,需要先用钻头在钢套管壁上钻孔,然后再利用高压喷嘴在水泥层及岩石层上喷射开孔。 When the openings in the casing wall need to drilling using a drill steel, and then using a high pressure jet nozzle openings in the layer of cement and rock. 目前,现有的开孔エ艺是先在所需钻孔的位置固定导向器,然后先下一套钻具在钢套壁上钻孔,钻孔后将钻具上提,再将高压喷嘴下井对水泥及岩石等开孔。 Currently, the conventional arts are first openings Ester stationary guide in a desired borehole, a drill and then to put the jacket on the wall of the drill steel, the drill string after drilling, and then high-pressure nozzles rocks and cement to go down opening. 由于油田的开孔深度会达到3500m左右,这样ー来,利用两套工具进行开孔,就会耗费大量的时间,増加油田エ人的劳动强度,使成本提高,而且エ艺复杂繁琐,带来了诸多不便。 Because of the depth of field openings will reach 3500m, so ー, the use of two sets of tools for opening, will spend a lot of time, to increase in oil Ester labor intensity, increased cost, and Ester arts complex and cumbersome, bring a lot of inconvenience.

发明内容 SUMMARY

·[0003] 为了解决上述现有技术存在的问题,本发明的目的在于提供一种高效的石油钻井平台井下水平钻孔组合钻具,该组合钻具通过一次下井就能完成钢套管壁及水泥和岩石层的开孔。 * [0003] In order to solve the above-described prior art problems, an object of the present invention to provide an efficient oil rig horizontal drilling downhole drill tool composition, the composition can be done downhole drill steel through one casing wall and cement and openings lithosphere.

[0004] 本发明的目的是通过以下技术方案来实现的: [0004] The object of the present invention is achieved by the following technical solution:

[0005] 本发明包括执行机构及与其密封连接的动カ源,其中 [0005] The present invention comprises sealing the actuator and movable therewith ka source connection, wherein

[0006] 所述执行机构包括容置在执行机构外壳内的导向器、钻具、钻具封装外壳及定位液压缸,钻具封装外壳的一端安装在定位液压缸上,另一端设有导向器,钻具容置在钻具封装外壳内、与其连动,所述钻具的钻头为柔性钻头;钻具封装外壳在定位液压缸的驱动下可在执行机构外壳内往复移动; [0006] The actuator comprises a guide housed in the actuator housing means, drilling, drill encapsulation shell and positioning hydraulic cylinder, one end of the tool housing mounted on the package positioning cylinder, the other end is provided with guide , drill housed in the package housing the tool, in conjunction therewith, the drill is a flexible drill bit; drill encapsulation shell performed reciprocally movable within the housing drives the positioning mechanism in the hydraulic cylinder;

[0007] 所述动カ源包括容置在动カ源外壳内的液压泵、直流电机、油箱及电池,电池固定在动カ源外壳内的底部,直流电机的一端通过电机安装座安装在电池的顶部,另一端与液压泵相连接,油箱位于直流电机与电池之间;所述液压泵通过油管向执行机构提供动力。 [0007] The source comprises a movable ka ka source housed in the movable within the housing of the hydraulic pump, motor, fuel tank and the battery, the battery is fixed to the movable bottom ka source within the housing, one end of the DC motor by a motor mounted in the battery mount top, and the other end is connected to the hydraulic pump, a tank located between the DC motor and the battery; providing power to the hydraulic actuators through the tubing.

[0008] 其中:所述执行机构通过密封连接件与动カ源相连接;所述定位液压缸固接在密封连接件上,带有钻具的封盖安装在定位液压缸上,钻具封装外壳的一端与封盖螺纹连接,另一端设有导向器;执行机构外壳上连接有输送钢管;所述液压泵的一端通过液压泵安装座固接在密封连接件上,另一端通过联轴器与直流电机相连接;所述钻具包括钻头、万向节、液压马达及进给液压缸,进给液压缸安装在封盖上,液压马达固定在进给液压缸上,钻头通过多个万向节与液压马达相连接;进给液压缸沿执行机构外壳的轴向进给。 [0008] wherein: said actuator member connected to the movable seal grades source connected through; the positioning hydraulic cylinder secured to the sealing member is connected with the tool mounted on the positioning of the closure cylinder, drilling packages end of the housing and the closure threads, and the other end is provided with guide; steel pipe is connected to the actuator housing; end of the hydraulic pump by a mount fixed to the sealing member connected to the other end via a coupling connected to the DC motor; said drilling tool comprises a drill bit, a universal joint, the hydraulic motor and the feed cylinder, the feed cylinder is mounted on the cover, the hydraulic motor is fixed on the feed cylinder, the drill bit by more than ten thousand section is connected to the hydraulic motor; feed actuator housing along the axial feed cylinder.

[0009] 本发明者的优点与积极效果为: [0009] The present inventors have advantages and positive effects:

[0010] I.本发明的执行机构中包括了对钢套管壁钻孔的钻具及对水泥层和岩石开孔的导向器,两者通过定位液压缸驱动往复移动,使得一次下井即可完成钢套管壁及水泥和岩石层的水平钻孔,大大提高了井下水平开孔的效率。 Actuator [0010] I. the present invention comprises a steel drill the borehole casing wall and cement layer, guide openings and rock, both driven by a hydraulic cylinder is positioned to reciprocate, to go down again so that the complete horizontal drilling steel and the casing wall and cement layer of rock, greatly improving the efficiency of the underground level of the opening.

[0011] 2.本发明的执行机构分为内、中、外三层,在能够实现一次下井完成水平开孔的同时,设备结构简单,操作方便,成本低。 Actuator invention is divided into [0011] 2. The present, the outer three layers, in a downhole completion level can be achieved at the same time opening, simple structure, convenient operation, and low cost.

[0012] 3.本发明钻具中的钻头为柔性钻头,进给液压缸的进给方向为执行机构外壳的轴向,減少了钻具的占用空间,縮小了执行机构的体积。 [0012] 3. The drill bit of the present invention is a flexible drill, the feed cylinder as an axial feed direction of the actuator housing, reducing the occupied space of the drill string, reducing the volume of the actuator.

[0013] 4.本发明的动カ源通过油管向执行机构提供动力,油管与密封连接件之间密封好,不需要专门对电机和电池及电线进行密封。 Invention, ka dynamic power source provides a good seal between the tubing and the seal member is connected to the actuator through the tubing, no special wires to the motor and battery is sealed, and [0013] 4. present.

[0014] 5.本发明可在井下较深处工作,可以在井下3500m深度处自带能源进行水平开孔工作。 [0014] The present invention may be deeper underground work, work can bring their own energy levels openings in downhole depth 3500m.

[0015] 6.本发明的直流电机、油箱、电池、液压泵等动カ源部件封装在动カ源外壳内,可防水、防油。 [0015] 6. The DC motor according to the present invention, the fuel tank, a battery, a hydraulic pump source grades movable member movable ka source enclosed in the housing, can be water, oil.

附图说明 BRIEF DESCRIPTION

[0016] 图I为本发明的内部整体结构示意图; [0016] The overall configuration of an internal schematic view of the present invention FIG. I;

[0017] 图2为图I中钻具的结构示意图; [0017] FIG. 2 is a schematic structural diagram I in the drill;

[0018] 图3为本发明的液压回路图; [0018] FIG. 3 is a hydraulic circuit diagram of the present invention;

[0019] 其中:1为输送钢管,2为执行机构外壳,3为导向器,4为钻具,5为钻具封装外壳,6为液压马达,7为进给液压缸,8为封盖,9为定位液压缸,10为密封连接件,11为液压泵安装座,12为液压泵,13为联轴器,14为直流电机,15为动カ源外壳,16为油箱,17为电机安装座,18为电池,19为钻头,20为万向节。 [0019] wherein: the steel pipe 1 is conveyed, the actuator housing 2, guide 3, 4 of the drill, to drill package housing 5, a hydraulic motor 6, 7 of the feeding cylinder, the closure 8, 9 is a positioning hydraulic cylinder, connected to a sealing member 10, 11 is a pump mounting seat for the hydraulic pump 12, the coupling 13, 14 is a DC motor, the housing 15 is movable grades source, to the fuel tank 16, the motor 17 is mounted seat, the battery 18, the drill 19, 20 for the universal joint.

具体实施方式 detailed description

[0020] 下面结合附图对本发明作进ー步详述。 [0020] The present invention will be further described in detail in conjunction with the accompanying drawings ー feed.

[0021] 如图I所示,本发明包括执行机构及动力源,执行机构通过密封连接件10与动カ源相连接。 [0021] FIG I, the present invention comprises a power source and the actuator, is connected to the movable member 10 and the actuator grades source connected through the gland.

[0022] 执行机构包括执行机构外壳2、导向器3、钻具4、钻具封装外壳5及定位液压缸9,执行机构分为三层,最外层是与动カ源通过密封连接件10密封连接的执行机构外壳2 ;中间层是位于执行机构外壳2内的包括导向器3、钻具封装外壳5、定位液压缸9及封盖8,定位液压缸9固定在密封连接件10上,封盖8固接在定位液压缸9的输出端,钻具封装外壳5的一端与封盖8螺纹连接,另一端设有导向器3,导向器3为上、下设置的两个弯管,执行机构外壳2上连接有输送钢管1,输送钢管I通过导向器3的上弯管导向定位;最内层是容置在钻具封装外壳5内、固定于封盖8上的钻具4。 [0022] The actuator comprises the actuator housing 2, guide 3, the drill string 4, 5 and drill encapsulation shell positioning cylinder 9, the actuator is divided into three layers, the outermost layer is connected to the movable member ka source 10 by seal actuator housing 2 sealed connection; intermediate layer is located within the actuator housing 2 comprises a guide 3, 5 drill package housing, the positioning of the hydraulic cylinder 9 and the lid 8, 9 is fixed to the positioning hydraulic cylinder connected to the seal member 10, cover 8 fixed to the output end of the positioning cylinder 9, one end of the drill 5 and the encapsulation shell threaded closure 8, and the other end is provided with guides 3, an upper guide 3, the two elbow provided, 2 is connected to the actuator housing 1 steel pipe, steel pipe conveyed by the guide on I elbow positioning guide 3; innermost layer of the drill string is housed within the package housing 5 fixed to the cover 4 on the drill string 8. 导向器3、钻具4及钻具封装外壳5在定位液压缸9的驱动下可在执行机构外壳2内上下往复移动。 Guides 3, 4 and drill drilling encapsulation shell 5 may be driven to reciprocate in the cylinder 9 is positioned vertically within the actuator housing 2.

[0023] 动カ源包括动カ源外壳15及容置在其内的液压泵安装座11、液压泵12、联轴器13、直流电机14、油箱16、电机安装座17及电池18,动カ源外壳15通过密封连接件10与执行机构外壳2密封连接,电池18通过螺栓固定在动カ源外壳15内的底部,直流电机14的一端与电机安装座17螺纹连接后,再固接在电池18的顶部,直流电机14与电池18电连接;液压泵安装座11通过螺栓固定在动カ源外壳15顶端的密封连接件10上,液压泵12固定安装在液压泵安装座11上,直流电机14的另一端通过联轴器13与液压泵12相连接,油箱16位于直流电机14与电池18之间;液压泵12通过油管与油箱16连接,液压泵12再通过油管分别与执行机构中的定位液压缸9、液压马达6及进给液压缸7相连接;油管与密封连接件10之间也为密封连接。 [0023] moving the movable ka ka source comprises a source housing 15 and received in the pump within the mount 11, the hydraulic pump 12, coupling 13, motor 14, fuel tank 16, battery 17 and motor mount 18, the movable ka source housing 15 is connected through the actuator 2 sealed housing seal connecting member 10, the battery 18 after the screw is fixed to the movable ka source at the bottom within the housing 15, the DC motor one end of the motor mounting base 14 of the 17 threaded connection, and then fixed to the top of the battery, the DC motor 18 is connected to the battery 14 18; pump mounting seat 11 is bolted to the movable member 15 ka source sealingly connected to the top of the housing 10, the hydraulic pump 12 is fixedly mounted on the pump mounting seat 11, DC the other end of the motor 14 through a coupling 13 is connected to the hydraulic pump 12, tank 16 is located between the DC motor 14 and the battery 18; a hydraulic pump 12 is connected to the tank 16 through the pipe, the hydraulic pump 12 through the tubing and actuator, respectively, positioning cylinder 9, the hydraulic motor 6 and the feed cylinder 7 is connected; tubing is also connected to the sealing member to seal between the connector 10.

[0024] 如图2所示,钻具4包括钻头19、万向节20、液压马达6及进给液压缸7,进给液压缸7安装在封盖8上,液压马达6固定在进给液压缸7上,钻头19通过多个万向节20与液压马达6相连接,即钻头19的轴是由万向节20连接而成的柔性轴,使钻头成为柔性钻头;进给液压缸7沿执行机构外壳2的轴向进给,液压马达6的输出端也为执行机构外壳2的轴向,液压马达6、钻头19及万向节20随着进给液压缸7共同进给,钻头19在液压马达6的驱动下转动。 [0024] As shown, the tool 42 includes a drill bit 19, the universal joint 20, the hydraulic motor 6 and the feed cylinder 7, the feed cylinder 7 is mounted on the cover 8, the hydraulic motor 6 is fixed to the feed the hydraulic cylinder 7, the drill bit 19 by a plurality of joint sections 20 is connected to the hydraulic motor 6, i.e., the bit shaft 19 is formed by a flexible shaft connected to the universal joint 20, the drill bit becomes flexible; feed cylinder 7 actuator housing 2 in the axial direction of the feed, the output of the hydraulic motor housing 6 is also axially, the hydraulic motor 2 to the actuator 6, the drill bit 19 and universal joint 20 with the feed cylinder 7 co-feed, the drill bit 19 driven to rotate by the hydraulic motor 6.

[0025] 本发明的工作原理为: [0025] The working principle of the present invention are:

[0026] 在井上通过输送钢管I将组合钻具送到井下所要开孔的位置后定位,定位液压缸9工作、向上运动,驱动钻具封装外壳5及钻具4向上运动,使导向器3下弯管的钻头导向ロ位于水平开孔处,定位液压缸9停止工作;然后,液压马达6工作开始转动,同时进给液压缸7也开始工作,推动液压马达6及钻头19向上进给,柔性钻头初始状态为垂直于水平孔,在进给液压缸7的进给过程中,柔性钻头沿导向器3的下弯管穿入、到达套管壁水平开孔处,对套管壁进行水平开孔。 After [0026] the composition through a delivery position of the tool steel I sent downhole to uphole in the positioning opening, positioning the work hydraulic cylinders 9, moved upward, the tool drive package housing 5 and the upward movement of the tool 4, the guide 3 the elbow drill guide is located at a level ro opening, positioning the hydraulic cylinder 9 is stopped; then, the work of the hydraulic motor 6 starts to rotate, while the feed cylinder 7 also starts working, and to promote the hydraulic motor 6 to feed the drill bit 19 upwardly, the flexible drill horizontal holes in the initial state is vertical, the feed cylinder 7, during feeding, the flexible drill 3 along the guide bend under penetration, reaches the level of the wall opening cover, the casing wall of the horizontal opening. 钻头19钻透套管壁后,进给液压缸7反向工作,带动液压马达6及钻头19复位。 After the drill bit 19 to drill through the casing wall, the feed cylinder 7 works in reverse to drive the hydraulic motor 6 and the drill bit 19 is reset. 定位液压缸9向下运动,带动钻具封装外壳5及其顶端的导向器3向下运动,当导向器3上弯管的高压喷嘴导向口对准水平开孔处时,定位液压缸9停止工作,高压喷嘴穿过导向器3、利用高压水继续对岩石及泥土水平开孔。 Downward movement of the positioning cylinder 9, the drill drive package housing 5 and guides the downward movement of the top 3, when the guide 3 on the guide elbow of the high pressure nozzle opening horizontally aligned apertures, the positioning of the hydraulic cylinder 9 is stopped work, through the high pressure nozzle guide 3, using a high-pressure water level continues to rock and soil hole. 开孔完毕后,重新定位开始进行下一次工作。 After the hole is completed, reposition begin work at once.

[0027] 如图3所示,本发明执行机构的动力由动カ源通过液压系统(本发明的液压系统为现有技木)提供,其原理为: [0027] As shown in FIG. 3, the power actuator of the present invention (the present invention is a hydraulic system of the prior art wood) by moving through the hydraulic system grades the source, the principle is:

[0028] 直流电机14工作,驱动液压泵12给执行机构供油,油路分为三路:第一路经单向阀、换向阀和减压阀到达定位液压缸9,用来对定位液压缸9提供动カ,驱动钻具封装外壳5及钻具4上下运动以及对导向器3提供定位运动;第二路经单向阀、换向阀、减压阀和调速阀到达进给液压缸7,用来对进给液压缸7提供动力,推动液压马达6和钻头19进给;第三路经换向阀到达液压马达6,用来对液压马达6提供动力,驱动钻头19旋转;液压马达6上接有蓄能器,用来补充流量,避免流量不足。 [0028] DC motor 14 operates, drives the hydraulic pump 12 to the actuator supply, three-way passage is divided into: a first path check valve, relief valve and switching valve 9 reaches the positioning cylinder for positioning 9 provides grades movable cylinder, and drives the tool encapsulation shell 5 and the drill string 4 to provide vertical movement of the positioning movement of the guide 3; a second pass check valve, valve, pressure reducing valve and the control valve reaches the feed hydraulic cylinders 7, 7 for feeding power the hydraulic cylinders, hydraulic motors 6 and push feed drill 19; a third path switching valve 6 reaching the hydraulic motor, to power the hydraulic motor 6, the rotary driving bit 19 ; hydraulic motor connected to the accumulator 6 has, for makeup flow, to avoid the lack of flow.

Claims (6)

  1. 1. ー种石油钻井平台井下水平钻孔组合钻具,其特征在于:包括执行机构及与其密封连接的动カ源,其中所述执行机构包括容置在执行机构外壳(2)内的导向器(3)、钻具(4)、钻具封装外壳(5)及定位液压缸(9),钻具封装外壳(5)的一端安装在定位液压缸(9)上,另一端设有导向器(3),钻具⑷容置在钻具封装外壳(5)内、与其连动,所述钻具⑷的钻头为柔性钻头;钻具封装外壳(5)在定位液压缸(9)的驱动下可在执行机构外壳(2)内往复移动; 所述动カ源包括容置在动カ源外壳(15)内的液压泵(12)、直流电机(14)、油箱(16)及电池(18),电池(18)固定在动カ源外壳(15)内的底部,直流电机(14)的一端通过电机安装座(17)安装在电池(18)的顶部,另一端与液压泵(12)相连接,油箱(16)位于直流电机(14)与电池(18)之间;所述液压泵(12)通过油管向执行 1. ー seed oil rig horizontal drilling downhole drilling composition, characterized by: a movable actuator and a source grades sealingly connected thereto, wherein said actuator comprises housed in the actuator housing (2) of the guide (3), the tool (4), drill encapsulation shell (5) and positioning a hydraulic cylinder (9), one end of the drill encapsulation shell (5) is mounted on the positioning cylinder (9), the other end is provided with guide (3), housed in the tool within the tool ⑷ encapsulating housing (5), in conjunction therewith, the drill is a flexible drill bit ⑷; positioning a hydraulic cylinder drive (9) of the package housing the tool (5) the actuator can be reciprocated in the housing (2); said movable grades source comprises a hydraulic pump housed within the source housing (15) (12), DC motor (14), the tank (16) and moving the battery ka ( 18), the battery (18) is fixed to the movable housing ka source (in the bottom 15), DC motor (14) is mounted at one end by a motor mount (17) at the top of the battery (18), the other end of the hydraulic pump (12 ) is connected to the tank (16) located in the DC motor (14) between the battery (18); the hydraulic pump (12) is performed by the tubing 构提供动力。 Configurations to power.
  2. 2.按权利要求I所述的石油钻井平台井下水平钻孔组合钻具,其特征在于:所述执行机构通过密封连接件(10)与动カ源相连接。 2. I claim the oil rig horizontal drilling downhole drilling composition, characterized in that: said actuator (10) and the movable grades source connected via a sealed connection member.
  3. 3.按权利要求2所述的石油钻井平台井下水平钻孔组合钻具,其特征在于:所述定位液压缸(9)固接在密封连接件(10)上,带有钻具(4)的封盖(8)安装在定位液压缸(9)上,钻具封装外壳(5)的一端与封盖(8)螺纹连接,另一端设有导向器(3);执行机构外壳(2)上连接有输送钢管(I)。 3. The oil drilling platform according to claim horizontal drilling downhole drill composition of claim 2, wherein: said positioning cylinder (9) fixed to the sealing connecting member (10) with a drill (4) a closure (8) is mounted on the positioning cylinder (9), one end of the drill encapsulation shell (5) of the closure (8) a threaded connection, the other end is provided with guides (3); the actuator housing (2) steel pipe is connected to the (I).
  4. 4.按权利要求2所述的石油钻井平台井下水平钻孔组合钻具,其特征在于:所述液压泵(12)的一端通过液压泵安装座(11)固接在密封连接件(10)上,另一端通过联轴器(13)与直流电机(14)相连接。 4. The oil drilling platform according to claim horizontal drilling downhole drill composition of claim 2, wherein: one end of the pump (12) by a pump mounting seat (11) fixed to the sealing connecting member (10) and the other end connected through a coupling (13) and the DC motor (14).
  5. 5.按权利要求I所述的石油钻井平台井下水平钻孔组合钻具,其特征在于:所述钻具(4)包括钻头(19)、万向节(20)、液压马达(6)及进给液压缸(7),进给液压缸(7)安装在封盖(8)上,液压马达(6)固定在进给液压缸(7)上,钻头(19)通过多个万向节(20)与液压马达(6)相连接。 5. I claim the oil rig horizontal drilling downhole drill combination, wherein: said drilling tool (4) comprises a bit (19), joint (20), a hydraulic motor (6) and feed cylinder (7), a feed cylinder (7) mounted on the closure (8), a hydraulic motor (6) fixed to the feed cylinder (7), the drill bit (19) through a plurality of joint sections (20) the hydraulic motor (6) is connected.
  6. 6.按权利要求5所述的石油钻井平台井下水平钻孔组合钻具,其特征在于:所述进给液压缸(7)沿执行机构外壳(2)的轴向进给。 6. The oil drilling platform according to claim horizontal drilling downhole drilling composition according to 5, wherein: the feed cylinder (7) axially along the actuator housing (2) feed.
CN 200910012539 2009-07-15 2009-07-15 Underground horizontal drilling combined drilling tool of oil well drilling platform CN101956531B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763734A (en) 1985-12-23 1988-08-16 Ben W. O. Dickinson Earth drilling method and apparatus using multiple hydraulic forces
US5439066A (en) 1994-06-27 1995-08-08 Fleet Cementers, Inc. Method and system for downhole redirection of a borehole
US5934390A (en) 1997-12-23 1999-08-10 Uthe; Michael Horizontal drilling for oil recovery
CN1259188A (en) 1997-06-06 2000-07-05 昆士兰大学 An erectable arm assembly for use in boreholes
CN1715614A (en) 2004-06-30 2006-01-04 施卢默格海外有限公司 Apparatus and method for characterizing a reservoir
CN1877074A (en) 2005-06-08 2006-12-13 阮花 Down-hole multiple radialized holes ultra-deep boring device by abrasive water jet
CN201443301U (en) 2009-07-15 2010-04-28 中国科学院沈阳自动化研究 Novel drilling tool of petroleum horizontal multilateral well

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763734A (en) 1985-12-23 1988-08-16 Ben W. O. Dickinson Earth drilling method and apparatus using multiple hydraulic forces
US5439066A (en) 1994-06-27 1995-08-08 Fleet Cementers, Inc. Method and system for downhole redirection of a borehole
CN1259188A (en) 1997-06-06 2000-07-05 昆士兰大学 An erectable arm assembly for use in boreholes
US5934390A (en) 1997-12-23 1999-08-10 Uthe; Michael Horizontal drilling for oil recovery
CN1715614A (en) 2004-06-30 2006-01-04 施卢默格海外有限公司 Apparatus and method for characterizing a reservoir
CN1877074A (en) 2005-06-08 2006-12-13 阮花 Down-hole multiple radialized holes ultra-deep boring device by abrasive water jet
CN201443301U (en) 2009-07-15 2010-04-28 中国科学院沈阳自动化研究 Novel drilling tool of petroleum horizontal multilateral well

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