CN104775773A - Stepping injection mechanism for continuous oil pipe - Google Patents

Stepping injection mechanism for continuous oil pipe Download PDF

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Publication number
CN104775773A
CN104775773A CN201410011872.8A CN201410011872A CN104775773A CN 104775773 A CN104775773 A CN 104775773A CN 201410011872 A CN201410011872 A CN 201410011872A CN 104775773 A CN104775773 A CN 104775773A
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China
Prior art keywords
piston rod
cylinder
single piston
coiled tubing
rod cylinder
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CN201410011872.8A
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王增林
车传睿
李德忠
顾国利
张国玉
李小军
谷开昭
徐戍
王昕�
聂飞朋
聂文龙
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China Petroleum and Chemical Corp
Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co
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China Petroleum and Chemical Corp
Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co
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Application filed by China Petroleum and Chemical Corp, Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co filed Critical China Petroleum and Chemical Corp
Priority to CN201410011872.8A priority Critical patent/CN104775773A/en
Publication of CN104775773A publication Critical patent/CN104775773A/en
Pending legal-status Critical Current

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    • 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

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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)
  • Earth Drilling (AREA)

Abstract

The invention provides a coiled tubing stepping injection mechanism which comprises an upper clamping mechanism, a lower clamping mechanism and a longitudinal telescopic mechanism, wherein the upper clamping mechanism and the lower clamping mechanism are used for clamping and fixing a coiled tubing in the center, the longitudinal telescopic mechanism is connected between the two clamping mechanisms, and only one of the upper clamping mechanism and the lower clamping mechanism can clamp the coiled tubing when the longitudinal telescopic mechanism is telescopic. The invention adopts hydraulic elements to form a continuous oil pipe stepping injection mechanism, and the continuous oil pipe is put into an oil-water well from one section of the wellhead. The hoisting of a large crane is not needed, and the small maintenance operation vehicle for the oil-water well is adopted.

Description

一种连续油管步进注入机构A Coiled Tubing Stepping Injection Mechanism

技术领域 technical field

本发明涉及连续油管作业设备，尤其是一种连续油管步进注入机构。  The invention relates to coiled tubing operation equipment, in particular to a coiled tubing stepping injection mechanism. the

背景技术 Background technique

连续油管作业设备是油田特种作业设备的一种，有“万能作业装备”的称号。但目前的连续油管注入头靠电机直接驱动，存在下井驱动力量小，设备笨重需要吊车吊装，存在作业安全风险，安装、拆卸作业工作量大等问题。  Coiled tubing operation equipment is a kind of special operation equipment in oilfield, and has the title of "universal operation equipment". However, the current coiled tubing injection head is directly driven by a motor, so there are problems such as low driving force for downhole, heavy equipment that needs to be hoisted by a crane, operation safety risks, and heavy workload for installation and disassembly. the

发明内容 Contents of the invention

本发明的目的在于提供一种连续油管步进注入机构，全部采用液压元件组成连续油管步进式注入机构，将连续油管从井口一段一段地下入油水井中。无需大型吊车吊装，采用油水井小修作业车即可。  The purpose of the present invention is to provide a coiled tubing step-by-step injection mechanism, which is composed of hydraulic components to form a coiled tubing step-by-step injection mechanism, and the coiled tubing is inserted into the oil-water well section by section from the wellhead. There is no need for a large crane to hoist, just use a small repair vehicle for oil and water wells. the

为了达成上述目的，本发明采用了如下技术方案，该连续油管步进注入机构，包括上夹持机构、下夹持机构、纵向伸缩机构，所述上夹持机构、下夹持机构对中心的连续油管夹持固定，并且上述两夹持机构之间连接有纵向伸缩机构，所述纵向伸缩机构在伸缩时，上、下两夹持机构只能其中一个对连续油管进行夹持。 In order to achieve the above object, the present invention adopts the following technical scheme, the coiled tubing step-by-step injection mechanism includes an upper clamping mechanism, a lower clamping mechanism, and a longitudinal expansion mechanism, and the upper clamping mechanism and the lower clamping mechanism are centered. The coiled tubing is clamped and fixed, and a longitudinal expansion mechanism is connected between the two clamping mechanisms. When the longitudinal expansion mechanism is stretched, only one of the upper and lower clamping mechanisms can clamp the coiled tubing.

所述上夹持机构包括顶单活塞杆缸及安装在该顶单活塞杆缸内侧的用来夹住连续油管的顶爪，所述顶单活塞杆缸和顶爪围绕连续油管中心对称分布2个或4个；所述下夹持机构包括底单活塞杆缸及安装在该底单活塞杆缸内侧的用来夹住连续油管的底爪，所述底单活塞杆缸和底爪围绕连续油管中心对称分布2个或4个；所述纵向伸缩机构为竖单活塞杆缸，所述顶单活塞杆缸、竖单活塞杆缸、底单活塞杆缸三者设置的数量一致。 The upper clamping mechanism includes a top single piston rod cylinder and a top claw installed inside the top single piston rod cylinder for clamping the coiled tubing, and the top single piston rod cylinder and top claws are symmetrically distributed around the center of the coiled tubing 2 1 or 4; the lower clamping mechanism includes a bottom single-piston rod cylinder and a bottom claw installed inside the bottom single-piston rod cylinder for clamping the coiled tubing, and the bottom single-piston rod cylinder and bottom claw surround the continuous There are 2 or 4 oil pipes distributed symmetrically in the center; the longitudinal telescopic mechanism is a vertical single piston rod cylinder, and the numbers of the top single piston rod cylinder, vertical single piston rod cylinder and bottom single piston rod cylinder are the same.

所述顶单活塞杆缸在活塞杆端设置有用来连接顶缸内液管的活塞杆端进液口，所述顶单活塞杆缸在缸体底端设置有用来连接顶缸外液管的缸体底端进液口；所述顶单活塞杆缸的活塞杆端进液口通过钢管与三位四通电液阀的一出液口连接，所述顶单活塞杆缸的缸体底端进液口通过另一钢管与三位四通电液阀的另一出液口连接。 The top single piston rod cylinder is provided with a piston rod end liquid inlet for connecting the liquid pipe in the top cylinder at the piston rod end, and the top single piston rod cylinder is provided with a liquid inlet for connecting the liquid pipe outside the top cylinder at the bottom end of the cylinder body. The liquid inlet at the bottom of the cylinder body; the liquid inlet at the piston rod end of the top single piston rod cylinder is connected with a liquid outlet of the three-position four-way electro-hydraulic valve through a steel pipe, and the bottom end of the cylinder body of the top single piston rod cylinder The liquid inlet is connected with another liquid outlet of the three-position four-way electro-hydraulic valve through another steel pipe.

所述底单活塞杆缸在活塞杆端设置有用来连接底缸内液管的活塞杆端进液口，所述底单活塞杆缸在缸体底端设置有用来连接底缸外液管的缸体底端进液口，所述底单活塞杆缸的活塞杆端进液口通过钢管与三位四通电液阀的一出液口连接，所述底单活塞杆缸的缸体底端进液口通过另一钢管与三位四通电液阀的另一出液口连接。。 The bottom single piston rod cylinder is provided with a piston rod end liquid inlet for connecting the liquid pipe in the bottom cylinder at the piston rod end, and the bottom single piston rod cylinder is provided with a liquid inlet for connecting the liquid pipe outside the bottom cylinder at the bottom end of the cylinder. The liquid inlet at the bottom end of the cylinder, the liquid inlet at the piston rod end of the bottom single-piston rod cylinder is connected with a liquid outlet of the three-position four-way electro-hydraulic valve through a steel pipe, and the bottom end of the cylinder body of the bottom single-piston rod cylinder The liquid inlet is connected with another liquid outlet of the three-position four-way electro-hydraulic valve through another steel pipe. .

所述竖单活塞杆缸在活塞杆端设置有用来连接竖缸上液管的活塞杆端进液口，所述竖单活塞杆缸在缸体底端设置有用来连接竖缸下液管的缸体底端进液口，所述竖单活塞杆缸的活塞杆端进液口通过钢管与三位四通电液阀的一出液口连接，所述竖单活塞杆缸的缸体底端进液口通过另一钢管与三位四通电液阀的另一出液口连接。 The vertical single piston rod cylinder is provided with a piston rod end liquid inlet for connecting the vertical cylinder liquid pipe at the piston rod end, and the vertical single piston rod cylinder is provided with a liquid inlet for connecting the vertical cylinder liquid pipe at the bottom end of the cylinder body. The liquid inlet at the bottom of the cylinder body, the liquid inlet at the piston rod end of the vertical single piston rod cylinder is connected with a liquid outlet of the three-position four-way electro-hydraulic valve through a steel pipe, and the bottom end of the cylinder body of the vertical single piston rod cylinder The liquid inlet is connected with another liquid outlet of the three-position four-way electro-hydraulic valve through another steel pipe.

所述底单活塞杆缸通过自身的缸体与安装盘连接，所述的安装盘与井口法兰盘通过螺栓、螺母连接。 The bottom single-piston rod cylinder is connected to the mounting plate through its own cylinder body, and the mounting plate is connected to the wellhead flange plate through bolts and nuts.

所述三位四通电液阀有外控内泄功能，并含手动应急控制装置。 The three-position four-way electro-hydraulic valve has the function of external control and internal leakage, and includes a manual emergency control device.

相较于现有技术，本发明具有以下有益效果： Compared with the prior art, the present invention has the following beneficial effects:

全部采用液压元件组成连续油管注入头，驱动压力大；结构简单，不需要专用吊车吊装；工艺简单，作业危害风险低，降低了人工成本。 All hydraulic components are used to form the coiled tubing injection head, and the driving pressure is large; the structure is simple, no special crane is required for hoisting; the process is simple, the risk of operation hazard is low, and the labor cost is reduced.

附图说明 Description of drawings

图1为本发明的一种连续油管步进注入机构的结构图；  Fig. 1 is the structural diagram of a kind of coiled tubing step injection mechanism of the present invention;

图2为本发明的一种连续油管步进注入机构的俯视图； Fig. 2 is a top view of a coiled tubing stepping injection mechanism of the present invention;

图3为本发明的一种连续油管步进注入机构的液压控制线路图。 Fig. 3 is a hydraulic control circuit diagram of a coiled tubing stepping injection mechanism of the present invention.

图中：连续油管1、顶爪2、顶单活塞杆缸3、竖缸上液管4、竖单活塞杆缸5、竖缸下液管6、底单活塞杆缸7、底爪8、安装盘9、井口法兰盘10、螺栓11、螺母12、顶缸外液管13、顶缸内液管14、顶缸内液管总进出液口15、顶缸外液管总进出液口16、钢管21、另一钢管22、三位四通电液阀23、活塞杆端进液口31、缸体底端进液口32、活塞杆端进液口51、缸体底端进液口52、活塞杆端进液口71、缸体底端进液口72。 In the figure: coiled tubing 1, top claw 2, top single piston rod cylinder 3, vertical cylinder upper liquid pipe 4, vertical single piston rod cylinder 5, vertical cylinder lower liquid pipe 6, bottom single piston rod cylinder 7, bottom claw 8, Mounting plate 9, wellhead flange 10, bolts 11, nuts 12, jack cylinder outer liquid pipe 13, jack cylinder inner liquid pipe 14, jack cylinder inner liquid pipe total inlet and outlet 15, jack cylinder outer liquid pipe total inlet and outlet 16. Steel pipe 21, another steel pipe 22, three-position four-way electro-hydraulic valve 23, piston rod end liquid inlet 31, cylinder bottom end liquid inlet 32, piston rod end liquid inlet 51, cylinder bottom end liquid inlet 52. The liquid inlet 71 at the piston rod end and the liquid inlet 72 at the bottom end of the cylinder body.

具体实施方式 Detailed ways

有关本发明的详细说明及技术内容，配合附图说明如下，然而附图仅提供参考与说明之用，并非用来对本发明加以限制。  The detailed description and technical content of the present invention are described below with the accompanying drawings, but the accompanying drawings are only provided for reference and description, and are not intended to limit the present invention. the

如图1-3所示，一种连续油管步进注入机构，包括上夹持机构、下夹持机构、纵向伸缩机构，所述上夹持机构、下夹持机构对中心的连续油管夹持固定，并且上述两夹持机构之间连接有纵向伸缩机构，所述纵向伸缩机构在伸缩时，上、下两夹持机构只能其中一个对连续油管进行夹持。所述上夹持机构包括顶单活塞杆缸及安装在该顶单活塞杆缸内侧的用来夹住连续油管的顶爪，所述顶单活塞杆缸和顶爪围绕连续油管中心对称分布2个或4个；所述下夹持机构包括底单活塞杆缸及安装在该底单活塞杆缸内侧的用来夹住连续油管的底爪，所述底单活塞杆缸和底爪围绕连续油管中心对称分布2个或4个；所述纵向伸缩机构为竖单活塞杆缸，所述顶单活塞杆缸、竖单活塞杆缸、底单活塞杆缸三者设置的数量一致。 As shown in Figure 1-3, a coiled tubing step-by-step injection mechanism includes an upper clamping mechanism, a lower clamping mechanism, and a longitudinal telescopic mechanism. The upper clamping mechanism and the lower clamping mechanism clamp the coiled tubing in the center fixed, and a longitudinal telescopic mechanism is connected between the above two clamping mechanisms. When the longitudinal telescopic mechanism is stretched, only one of the upper and lower clamping mechanisms can clamp the coiled tubing. The upper clamping mechanism includes a top single piston rod cylinder and a top claw installed inside the top single piston rod cylinder for clamping the coiled tubing, and the top single piston rod cylinder and top claws are symmetrically distributed around the center of the coiled tubing 2 1 or 4; the lower clamping mechanism includes a bottom single-piston rod cylinder and a bottom claw installed inside the bottom single-piston rod cylinder for clamping the coiled tubing, and the bottom single-piston rod cylinder and bottom claw surround the continuous There are 2 or 4 oil pipes distributed symmetrically in the center; the longitudinal telescopic mechanism is a vertical single piston rod cylinder, and the numbers of the top single piston rod cylinder, vertical single piston rod cylinder and bottom single piston rod cylinder are the same.

所述的顶爪2、顶单活塞杆缸3、竖单活塞杆缸5、底爪8、底单活塞杆缸7围绕连续油管中心对称分布2个或4个。 Two or four of the top jaw 2, top single piston rod cylinder 3, vertical single piston rod cylinder 5, bottom jaw 8, and bottom single piston rod cylinder 7 are distributed symmetrically around the center of the coiled tubing.

所述的顶单活塞杆缸3之间活塞杆端进液口31用顶缸内液管14连接，缸体底端进液口32用顶缸外液管13连接。 The piston rod end liquid inlet 31 between the described top single piston rod cylinders 3 is connected with the liquid pipe 14 in the top cylinder, and the liquid inlet 32 at the bottom end of the cylinder body is connected with the liquid pipe 13 outside the top cylinder.

所述的竖单活塞杆缸5之间活塞杆端进液口51用竖缸上液管4连接，缸体底端进液口52用竖缸下液管6连接。 The piston rod end liquid inlet 51 between the described vertical single piston rod cylinders 5 is connected with the upper liquid pipe 4 of the vertical cylinder, and the liquid inlet 52 at the bottom of the cylinder body is connected with the lower liquid pipe 6 of the vertical cylinder.

所述的底单活塞杆缸7之间活塞杆端进液口71用底缸内液管连接，缸体底端进液口72用底缸外液管连接。 The piston rod end liquid inlet 71 between the bottom single piston rod cylinders 7 is connected with the liquid pipe in the bottom cylinder, and the liquid inlet 72 at the bottom end of the cylinder body is connected with the liquid pipe outside the bottom cylinder.

所述的顶单活塞杆缸3的活塞杆端进液口31、竖单活塞杆缸5缸体底端进液口52、底单活塞杆缸7缸体底端进液口72通过钢管连通，并与三位四通电液阀23的一出液口连接。 The piston rod end liquid inlet 31 of the top single piston rod cylinder 3, the liquid inlet 52 at the bottom end of the vertical single piston rod cylinder 5, and the bottom liquid inlet 72 of the bottom single piston rod cylinder 7 are connected through steel pipes. , and connected with a liquid outlet of the three-position four-way electro-hydraulic valve 23.

所述的顶单活塞杆缸3缸体底端进液口32、竖单活塞杆缸5的活塞杆端进液口51、底单活塞杆缸7的活塞杆端进液口71通过钢管连通，并与三位四通电液阀23的另一出液口连接。 The liquid inlet 32 at the bottom end of the top single piston rod cylinder 3, the liquid inlet 51 at the piston rod end of the vertical single piston rod cylinder 5, and the liquid inlet 71 at the piston rod end of the bottom single piston rod cylinder 7 are connected through steel pipes. , and be connected with another liquid outlet of the three-position four-way electro-hydraulic valve 23.

所述的底单活塞杆缸7的缸体与安装盘9连接。 The cylinder body of the bottom single piston rod cylinder 7 is connected with the mounting plate 9 .

所述的安装盘9与井口法兰盘10通过螺栓11、螺母12连接。 The mounting plate 9 is connected to the wellhead flange 10 through bolts 11 and nuts 12 .

所述的三位四通电液阀23有外控内泄功能，并含手动应急控制装置。 The three-position four-way electro-hydraulic valve 23 has the function of external control and internal leakage, and includes a manual emergency control device.

具体作业方法：通过三位四通电液阀23一个出液口向顶单活塞杆缸3、竖单活塞杆缸5、底单活塞杆缸7提供液压，底单活塞杆缸7推动底爪8夹紧连续油管1，同时顶单活塞杆缸3的活塞杆收回，竖单活塞杆缸5的活塞杆推动顶单活塞杆缸3上移。当竖单活塞杆缸5的活塞杆移动到设计位置后，三位四通电液阀23控制换向，另一出液口通过液压，顶单活塞杆缸3的活塞杆伸出使顶爪2夹紧连续油管1，底单活塞杆缸7的活塞杆收回，底爪8松开连续油管1，竖单活塞杆缸5的活塞杆收回，带动顶单活塞杆缸3下移，使连续油管1下移注入油井中。 Specific operation method: provide hydraulic pressure to the top single piston rod cylinder 3, the vertical single piston rod cylinder 5, and the bottom single piston rod cylinder 7 through a liquid outlet of the three-position four-way electro-hydraulic valve 23, and the bottom single piston rod cylinder 7 pushes the bottom claw 8 The coiled tubing 1 is clamped, and the piston rod of the single-piston-rod cylinder 3 is retracted at the same time, and the piston rod of the single-piston-rod cylinder 5 is pushed to move up the single-piston-rod cylinder 3. When the piston rod of the vertical single piston rod cylinder 5 moves to the design position, the three-position four-way electro-hydraulic valve 23 controls the reversing, and the other liquid outlet passes through the hydraulic pressure, and the piston rod of the top single piston rod cylinder 3 stretches out to make the top claw 2 Clamp the coiled tubing 1, retract the piston rod of the bottom single-piston-rod cylinder 7, release the coiled tubing 1 with the bottom jaw 8, retract the piston rod of the vertical single-piston-rod cylinder 5, and drive the top single-piston-rod cylinder 3 to move down, so that the coiled tubing 1 Move down and inject into the oil well.

以上所述仅为本发明的较佳实施例，非用以限定本发明的专利范围，其他运用本发明的专利精神的等效变化，均应俱属本发明的专利范围。 The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Other equivalent changes using the patent spirit of the present invention all belong to the patent scope of the present invention.

Claims (1)

1. a coiled tubing stepping injecting mechanism, it is characterized in that, comprise clamping device, lower clamping device, longitudinal extension mechanism, described upper clamping device, the coiled tubing of lower clamping device to center grip, and be connected with longitudinal extension mechanism between above-mentioned two clamping devices, described longitudinal extension mechanism is when flexible, and upper and lower two clamping devices can only one of them clamp coiled tubing.
2. a kind of coiled tubing stepping injecting mechanism according to claim 1, it is characterized in that, described upper clamping device comprises top single piston rod cylinder and be arranged on the top pawl that being used for inside this top single piston rod cylinder clamps coiled tubing, and described top single piston rod cylinder and top pawl to distribute 2 or 4 around coiled tubing Central Symmetry; Described lower clamping device comprises end single piston rod cylinder and is arranged on the end pawl that being used for inside this end single piston rod cylinder clamps coiled tubing, and single piston rod cylinder of the described end and end pawl to distribute 2 or 4 around coiled tubing Central Symmetry; Described longitudinal extension mechanism is perpendicular single piston rod cylinder, and the quantity that described top single piston rod cylinder, perpendicular single piston rod cylinder, end single piston rod cylinder three are arranged is consistent.
3. a kind of coiled tubing stepping injecting mechanism according to claim 2, it is characterized in that, described top single piston rod cylinder is provided with the tailpiece of the piston rod inlet for connecting interior liquid pipe of taking blame for others at tailpiece of the piston rod, and described top single piston rod cylinder is provided with the cylinder body bottom inlet for connecting outer liquid pipe of taking blame for others in cylinder body bottom; The tailpiece of the piston rod inlet of described top single piston rod cylinder is connected with a liquid outlet of three position four-way electrohy-draulic valve by steel pipe, and the cylinder body bottom inlet of described top single piston rod cylinder is connected with another liquid outlet of three position four-way electrohy-draulic valve by another steel pipe.
4. a kind of coiled tubing stepping injecting mechanism according to claim 2, it is characterized in that, single piston rod cylinder of the described end is provided with the tailpiece of the piston rod inlet for connecting liquid pipe in end cylinder at tailpiece of the piston rod, single piston rod cylinder of the described end is provided with the cylinder body bottom inlet for connecting the outer liquid pipe of end cylinder in cylinder body bottom, the tailpiece of the piston rod inlet of single piston rod cylinder of the described end is connected with a liquid outlet of three position four-way electrohy-draulic valve by steel pipe, and the cylinder body bottom inlet of single piston rod cylinder of the described end is connected with another liquid outlet of three position four-way electrohy-draulic valve by another steel pipe.
5. a kind of coiled tubing stepping injecting mechanism according to claim 2, it is characterized in that, described perpendicular single piston rod cylinder is provided with the tailpiece of the piston rod inlet for connecting liquid pipe on perpendicular cylinder at tailpiece of the piston rod, described perpendicular single piston rod cylinder is provided with the cylinder body bottom inlet for connecting liquid pipe under perpendicular cylinder in cylinder body bottom, the tailpiece of the piston rod inlet of described perpendicular single piston rod cylinder is connected with a liquid outlet of three position four-way electrohy-draulic valve by steel pipe, and the cylinder body bottom inlet of described perpendicular single piston rod cylinder is connected with another liquid outlet of three position four-way electrohy-draulic valve by another steel pipe.
6. a kind of coiled tubing stepping injecting mechanism according to claim 2, is characterized in that, single piston rod cylinder of the described end is connected with mounting disc by the cylinder body of self, and described mounting disc is connected by bolt, nut with wellhead flange dish.
7. a kind of coiled tubing stepping injecting mechanism according to claim 3 or 4 or 5, it is characterized in that, described three position four-way electrohy-draulic valve has in external control lets out function, and containing manual-operated emergent control device.
CN201410011872.8A 2014-01-11 2014-01-11 Stepping injection mechanism for continuous oil pipe Pending CN104775773A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105239948A (en) * 2015-10-28 2016-01-13 新奥气化采煤有限公司 Unclamping device and continuous pipe injection device having unclamping device
CN110076910A (en) * 2019-05-09 2019-08-02 西南交通大学 A kind of contact net concrete pillar sectional cutter
US10995563B2 (en) 2017-01-18 2021-05-04 Minex Crc Ltd Rotary drill head for coiled tubing drilling apparatus

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US3998428A (en) * 1975-11-18 1976-12-21 Miles William B Well pipe extractor and installer
US20040011530A1 (en) * 2002-03-26 2004-01-22 Felthager Michael J. Long stroking tool
CN101333915A (en) * 2007-06-28 2008-12-31 中信重工机械股份有限公司 Fastener device for connecting and detaching bore rod
CN202913986U (en) * 2012-08-03 2013-05-01 中国石油天然气集团公司 Coiled tubing injection head
CN103114819A (en) * 2013-03-06 2013-05-22 宝鸡通力鼎新专用汽车有限公司 Auxiliary injection device of continuous oil pipe operation machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998428A (en) * 1975-11-18 1976-12-21 Miles William B Well pipe extractor and installer
US20040011530A1 (en) * 2002-03-26 2004-01-22 Felthager Michael J. Long stroking tool
CN101333915A (en) * 2007-06-28 2008-12-31 中信重工机械股份有限公司 Fastener device for connecting and detaching bore rod
CN202913986U (en) * 2012-08-03 2013-05-01 中国石油天然气集团公司 Coiled tubing injection head
CN103114819A (en) * 2013-03-06 2013-05-22 宝鸡通力鼎新专用汽车有限公司 Auxiliary injection device of continuous oil pipe operation machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105239948A (en) * 2015-10-28 2016-01-13 新奥气化采煤有限公司 Unclamping device and continuous pipe injection device having unclamping device
CN105239948B (en) * 2015-10-28 2018-08-10 新奥科技发展有限公司 Release device and injection device for coiled tubing with the release device
US10995563B2 (en) 2017-01-18 2021-05-04 Minex Crc Ltd Rotary drill head for coiled tubing drilling apparatus
US11136837B2 (en) 2017-01-18 2021-10-05 Minex Crc Ltd Mobile coiled tubing drilling apparatus
CN110076910A (en) * 2019-05-09 2019-08-02 西南交通大学 A kind of contact net concrete pillar sectional cutter
CN110076910B (en) * 2019-05-09 2021-06-08 西南交通大学 Contact net concrete pillar segmentation cutting device

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