CN2615322Y - High-pressure jet-flow radial level drilling well system - Google Patents
High-pressure jet-flow radial level drilling well system Download PDFInfo
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- CN2615322Y CN2615322Y CN 03239019 CN03239019U CN2615322Y CN 2615322 Y CN2615322 Y CN 2615322Y CN 03239019 CN03239019 CN 03239019 CN 03239019 U CN03239019 U CN 03239019U CN 2615322 Y CN2615322 Y CN 2615322Y
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Abstract
The utility model provides a high pressure water jet radial horizontal drilling system, which relates to a single-purpose down-hole tool for a horizontal drilling process and a best combination of the single-purpose down-hole tool, wherein drilling rods are rotated in an ultra-short radius and rocks are broken by completely high pressure water jet in the horizontal drilling process. The utility model solves a ultra-short radius horizontal drill problem, and the technical project of the utility model is that a wellhead sealed tool (11), a wellhead three-way valve (12), a anchor (13), an orientation link (14) and a diverter (2) are connected with a working pipe column (15) in series to form a outer pipe assembly (I), a drill bit (3), a drilling rod (4), a pumping rod (5), a feeding polish rod (7) form a inner pipe assembly (II), the upper section of the diverter arranged on the lower portion of the outer pipe assembly (I) show multiple-layer tubular shaped, a rotary drum assembly (214) arranged on the lower section of the diverter can form a vertical drilling horizontal drilling rod channel, high pressure drilling fluid (8) drives the drilling rod (4) and the drill bit (3) to thread the drilling rod channel and penetrate into ground layer, at the same time, the high pressure drilling fluid (8) is ejected with high revolution rate via the drill bit (3) to break the rocks of the ground layer, thereby forming radial horizontal borehole (V). The utility model can be used for increasing yield in oil field.
Description
Technical field the utility model relates to the special installation that the high-pressure water jet radial horizontal drilling is used, especially special-purpose downhole tools and the best of breed thereof that the drilling rod ultra-short radius turns to and high-pressure water jet breaks the horizontal drilling of rock fully.
The background technology horizontal drilling technology is the cutting edge technology of present drilling well industry.High-pressure water jet radial horizontal drilling system claims the ultra-short radius horizontal drilling technology again, is to be used for finishing in the down-hole the special utensil and the operational method of ultrashort radius horizontal hole by using.Its basic implementation method is in the vertical sleeve pipe well of preparation flatly, cut the down-hole casing section of Len req with conventional milling or section method of milling, then be lowered to the down-hole device of special radial horizontal drilling, expand the casing section milling position to required size, form a reaming chamber; Then, the special implement of high-pressure water jet radial horizontal drilling system is lowered in cased wellbores and this reaming chamber, after entering duty, ground high pressure pump truck injects high pressure drilling liquid in work string of the present utility model, it is that level enters the stratum to the hollow seamless steel pipe by the drilling rod steering gear with extremely short bend radius that high pressure drilling liquid drives drilling rod, and rotate at a high speed from the drill bit of drilling rod front end and to penetrate and the broken formation rock, realize the high-pressure water jet radial horizontal drilling, reach and increase oil reservoir bare area, the underground oil field of high-efficiency mining.
High-pressure water jet radial horizontal drilling technology can be carried out the operation of high-pressure water jet radial horizontal drilling by a plurality of downhole oil ore horizons in same peupendicular hole, each layer position can laterally pierce a plurality of radially horizontal wells radially, each radially horizontal well length reaches 30～60 meters, and it is the strong measure of old filed increasing both production and income.High-pressure water jet radial horizontal drilling technology can solve following problem:
1. develop shallow oil reservoir, oil sheet and low permeability pay;
2. bore the oil-gas reservoir of opening vertical fracture;
3. reduce or substitute and beat the vertical well of adjusting;
4. reduce or avoid the generation of gas coning water-coning phenomena;
5. be used for recovery of subterranean alkali layer, salt deposit and other mineral reserve.
In the prior art, BP GB2124278A has introduced several down-holes transfer, and its structure is complicated, has a lot of inapplicable problems; U.S. Pat 4693327A and US4763734A have introduced a kind of down-hole transfer and a kind of fluid power tail end formula structure respectively, also all exist different shortcomings; The patent CN2128666Y and the CN2137563Y of the application of China's oil university have introduced a kind of transfer and a kind of downhole drill bit respectively, this patent CN2388337Y that applies for has introduced a kind of radially horizontal well transfer, the down-hole transfer that these several patents are introduced all exists different defectives, and lacks the complete down hole tool system that realizes radial horizontal drilling.These technical levels far can not satisfy the actual needs of oil-gas field development, not only the down-hole transfer needs to improve, and the instrument that constitutes the radial horizontal drilling technology also is not only a transfer, it needs the best of breed and harmonious work of many downhole tools, could realize the radial horizontal drilling technology.
The summary of the invention the purpose of this utility model is the actual needs at China's oil-gas field development, through studying for a long period of time and testing, a kind of high-pressure water jet radial horizontal drilling system of practicability is provided, promptly provides and realize whole down-holes supporting apparatus and combination brand-new high-pressure water jet radial horizontal drilling, that comprise steering gear.
The purpose of this utility model is to realize by the technical scheme of developing required special-purpose downhole tools of high-pressure water jet radial horizontal drilling and best of breed thereof.Concrete scheme is:
The utility model is made up of outer pipe assembly and inner tube assembly; Outer pipe assembly is anchored in the oil well casing, and steering gear composes in series outer pipe assembly mutually with drilling rod by drilling rod actuator chamber assembly; Inner tube assembly moves forward in the pipe assembly under the effect of drilling rod actuator chamber inner high voltage drilling fluid outside, and under drilling rod steering gear effect, but level enters the stratum; High pressure drilling liquid can carry out horizontal drilling through inner tube assembly broken formation rock.
Drilling rod actuator chamber assembly is serially connected on the work string successively by well mouth sealing device, well head threeway, anchor and orientation joint to be formed.
The drilling rod steering gear is matched by inner core assembly and outer barrel assembly and forms; Inner core assembly upper end is connected with the orientation joint lower end; Outer barrel assembly can move up and down with respect to the inner core assembly.
Anchor of the present utility model is made of grappling cylindrical shell, baffle plate, anchor fluke and spring assembling; The grappling cylindrical shell is serially connected on the work string; Baffle plate, anchor fluke and spring are installed on the grappling cylindrical shell; Baffle plate and spring limit anchor fluke to be in non-grappling state, and high pressure drilling liquid can drive anchor fluke compression spring to stretching out the grappling cylindrical shell to be in the grappling state.
The inner core assembly of drilling rod steering gear in the utility model is connected with drumming assembly and is formed by central tube, the straightener of pulling back, inner core tube connector; The central tube epimere has the drilling fluid passway, and its hypomere inner chamber is equipped with end sealing, and its upper end is connected with the orientation joint lower end; The drumming assembly lower end is connected with the outer barrel assembly lower end.
In the utility model the outer barrel assembly of drilling rod steering gear by urceolus with promote side plate mechanism and be connected and form; The urceolus epimere is enclosed within on the central tube, and its hypomere is enclosed within on the inner core tube connector.
The drumming assembly of the inner core assembly of drilling rod steering gear in the utility model is composed in series successively by rotating cylinder 1, rotating cylinder 2, rotating cylinder 3, rotating cylinder 4 and rotating cylinder 5; Rotating cylinder 1 lower end, rotating cylinder 5 upper ends are connected with hinge pin with all the other rotating cylinder two ends, and it is irregular rectangular-shaped and can rotate to be straight configuration or case of bending around hinge pin that each rotating cylinder is; In each rotating cylinder inside, two row's rollers are equipped with in both sides; Rotating cylinder 1 upper end is connected with inner core tube connector lower end; Two row's rollers in the rotating cylinder 5 constitute a drilling rod level and send straightener to; Rotating cylinder 5 is connected with promoting pin with lifting side plate mechanism.
The lifting side plate mechanism of the outer barrel assembly of drilling rod steering gear upper end is cylindrical in the utility model, and the lower end is the plank frame of two symmetries, and its upper end is connected with the urceolus lower end, and its lower end is connected with rotating cylinder 5 by promoting pin; Drumming assembly is installed in the biside plate that promotes side plate mechanism, promoting side plate mechanism does to propose or transfer motion, can drive the lifting pin that is connected with rotating cylinder 5 moves up and down, drumming assembly stretches or bending thereby drive, when adjacent each rotating cylinder end face was adjacent to, each rotating cylinder interior roller promptly constituted a sealing and continuous drilling rod slideway.
The urceolus epimere of the outer barrel assembly of drilling rod steering gear is enclosed within on the central tube of inner core assembly in the utility model, two O-ring seals is housed to constitute a fluid cylinder-piston mechanism between the two; Under the high pressure drilling liquid effect of outer barrel assembly in drilling rod actuator chamber assembly, can upwards do lifter motion along central tube.
The urceolus hypomere of the outer barrel assembly of drilling rod steering gear is enclosed within on the inner core tube connector of inner core assembly in the utility model, spring is housed to constitute a sleeve-pull bar telescoping mechanism in the annular space between the two; Under the spring force effect, the drumming assembly that the lifting side plate mechanism of outer barrel assembly can drive the inner core assembly stretches motion downwards.
Inner tube assembly of the present utility model is by drill bit, drilling rod, rod string, joint and send polished rod to and compose in series successively; Drill bit is for producing the flow jet flow drill of taper high speed rotating fluid; Drilling rod is the hollow seamless steel pipe, and its upper end has the inlet of high pressure drilling liquid.
The utility model advanced design, rational in infrastructure, effect is remarkable, its practical application proves, can realize the radially horizontal well successful drilling, can significantly improve recovery ratio and increase oil and gas production.
Description of drawings the utility model has adopted 1 accompanying drawing, and promptly Fig. 1 is principle of the present utility model and structural representation.
Specific embodiment summary of the invention of the present utility model by the following examples and the accompanying drawing in working order further be described as follows in detail:
The utility model is made up of outer pipe assembly (I) and inner tube assembly (II); Outer pipe assembly (I) is anchored in the oil well casing (III), and outer pipe assembly (I) is composed in series with drilling rod steering gear (2) mutually by drilling rod actuator chamber assembly (1); Inner tube assembly (II) moves forward in the pipe assembly (I) under drilling rod actuator chamber assembly (1) inner high voltage drilling fluid (8) effect outside, and under drilling rod steering gear (2) effect, but level enters the stratum; High pressure drilling liquid (8) can carry out horizontal drilling through inner tube assembly (II) broken formation rock.
Drilling rod actuator chamber assembly of the present utility model (1) is serially connected on the work string (15) successively by well mouth sealing device (11), well head threeway (12), anchor (13) and orientation joint (14) to be formed, and each component is tubular structure.Wherein, anchor (13) is made of grappling cylindrical shell (131), baffle plate (132), anchor fluke (133) and spring (134) assembling; Grappling cylindrical shell (131) is serially connected on the work string (15); Baffle plate (132), anchor fluke (133) and spring (134) are installed on the grappling cylindrical shell (131); Baffle plate (132) and spring (134) limit anchor fluke (133) to be in non-grappling state, and high pressure drilling liquid (8) can drive anchor fluke (133) compression spring (134) and stretch out grappling cylindrical shell (131) to be in the grappling state.
Drilling rod steering gear of the present utility model (2) is matched by inner core assembly (21) and outer barrel assembly (22) and forms; Inner core assembly (21) upper end is connected with orientation joint (14) lower end; Outer barrel assembly (22) can move up and down with respect to inner core assembly (21); Drilling rod steering gear (2) epimere is multilayer tubular.
The inner core assembly (21) of drilling rod steering gear (2) is connected with drumming assembly (214) by central tube (211), the straightener of pulling back (212), inner core tube connector (213) and forms; Central tube (211) epimere has drilling fluid (8) passway (2111), and its hypomere inner chamber is equipped with end sealing (2112), and its upper end is connected with orientation joint (14) lower end; Drumming assembly (214) upper end is connected with outer barrel assembly (22) lower end.
The outer barrel assembly (22) of drilling rod steering gear (2) in the utility model is connected with lifting side plate mechanism (222) by urceolus (221) and forms; Urceolus (221) epimere is enclosed within on the central tube (211), and its hypomere is enclosed within on the inner core tube connector (213).
The drumming assembly (214) of drilling rod steering gear (2) in the utility model is composed in series successively by rotating cylinder 1 (2141), rotating cylinder 2 (2142), rotating cylinder 3 (2143), rotating cylinder 4 (2144) and rotating cylinder 5 (2145); Rotating cylinder 1 (2141) lower end, rotating cylinder 5 (2145) upper ends are connected with hinge pin (2146) with all the other rotating cylinders (2142,2143,2144) two ends, and it is irregular rectangular-shaped and can be around hinge pin (2146) rotation to be straight configuration or case of bending that each rotating cylinder (2141,2142,2143,2144,2145) is; In each rotating cylinder (2141,2142,2143,2144,2145) inside, two row's rollers (2147) are equipped with in both sides; Rotating cylinder 1 (2141) upper end is connected with inner core tube connector (213) lower end; Rotating cylinder 5 (2145) is connected with promoting pin (223) with lifting side plate mechanism (222).
Lifting side plate mechanism (222) upper end of drilling rod steering gear (2) in the utility model is cylindrical, and the lower end is the plank frame of two symmetries, and its upper end is connected with urceolus (221) lower end, and its lower end is connected with rotating cylinder 5 (2145) by promoting pin (223); Drumming assembly (214) is installed in the biside plate that promotes side plate mechanism (222), promoting side plate mechanism (222) does to propose or transfer motion, can drive the lifting pin (223) that is connected with rotating cylinder 5 (2145) moves up and down, drumming assembly (214) stretches or bending thereby drive, when adjacent each rotating cylinder (2141,2142,2143,2144,2145) when end face is adjacent to, each rotating cylinder interior roller (2147) promptly constitutes a sealing and continuous drilling rod (4) slideway; Wherein, two row's rollers (2147) formation one drilling rod (4) levels in the rotating cylinder 5 (2145) are sent straightener (2148) to.
Urceolus (221) epimere of outer barrel assembly in the utility model (22) is enclosed within on the central tube (211) of inner core assembly (21), two O-ring seals (224,215) is housed to constitute a fluid cylinder-piston mechanism (221,211) between the two; Under high pressure drilling liquid (8) effect of outer barrel assembly (22) in drilling rod actuator chamber assembly (1), can upwards do lifter motion along central tube (211).
Urceolus (221) hypomere of outer barrel assembly of the present utility model (22) is enclosed within on the inner core tube connector (213) of inner core assembly (21), spring (225) is housed to constitute a sleeve-pull bar telescoping mechanism (221,213) in the annular space between the two; Under spring (225) elastic force effect, the drumming assembly (214) that the lifting side plate mechanism (222) of outer barrel assembly (22) can drive inner core assembly (21) stretches motion downwards.
Inner tube assembly in the utility model (II) is by drill bit (3), drilling rod (4), rod string (5), joint (6) and send polished rod (7) to and compose in series successively; Drill bit (3) is for producing the flow jet flow drill of taper high speed rotating fluid; Drilling rod (4) is the hollow seamless steel pipe, and its upper end has the inlet (41) of high pressure drilling liquid (8).
The collaborative radial horizontal drilling that is used to complete of the utility model and ground installation, ground installation generally comprise working rig and corresponding high pressure pump truck group (as the fracturing unit truck group) and the mud circulation purifier that matches etc.Early stage preparation construction is finished the down-hole section and is milled with the reaming operation and after forming down-hole chamber (IV), the utility model is lowered in the oil well, and makes each rotating cylinder (2141,2142,2143,2144,2145) of drilling rod steering gear (2) enter reaming chamber (IV); Introduce high pressure drilling liquid (8) by well head threeway (12) to drilling rod actuator chamber assembly (1), drilling fluid (8) promotes anchor (13) and enters the grappling state, make the work string (15) of drilling rod actuator chamber assembly (1) and the internals of drilling rod steering gear (2) keep not play up and down, high pressure drilling liquid (8) is gone up fluid cylinder-piston mechanism (221 that drilling fluid passway (2111) enters urceolus (221) and central tube (211) formation by central tube (211), 211), with urceolus (221) be attached thereto in the lifting side plate mechanism (222) that connects and carry, promote side plate mechanism (222) and make bending motion, thereby make drilling rod steering gear (2) in running order by promoting pin (223) drive drumming assembly (214); At this moment, underground is broadcasted into polished rod (7), and drilling rod (4) and drill bit (3) pass drilling rod (4) slideway of drumming assembly (214) under the effect of high pressure drilling liquid (8), flatly enter the stratum, realizes sending brill; Simultaneously, the high-pressure water jet broken formation rock that the drill bit (3) of drilling rod (4) front end produces gets out radial level well (V), realizes radial horizontal drilling; After creeping into end, the drilling rod of pulling back (4) also rises to ground; After system's release, sleeve-pull bar telescoping mechanism (221,213) will on the lifting side plate mechanism (222) that moves promote downwards to reset, and drive drumming assembly (214) and receive directly to enter by case of bending and promote in the side plate mechanism (222); So far, the utility model can be tripped out, the drilling well work of next radially horizontal well can also be carried out.
Claims (11)
1. a high-pressure water jet radial horizontal drilling system is characterized in that having outer pipe assembly (I) and inner tube assembly (II); Outer pipe assembly (I) is anchored in the oil well casing (III), and outer pipe assembly (I) is composed in series with drilling rod steering gear (2) mutually by drilling rod actuator chamber assembly (1); Inner tube assembly (II) moves forward in the pipe assembly (I) under drilling rod actuator chamber assembly (1) inner high voltage drilling fluid (8) effect outside, and under drilling rod steering gear (2) effect, but level enters the stratum; High pressure drilling liquid (8) can carry out horizontal drilling through inner tube assembly (II) broken formation rock.
2. according to the described well system of claim 1, it is characterized in that drilling rod actuator chamber assembly (1) is serially connected on the work string (15) successively by well mouth sealing device (11), well head threeway (12), anchor (13) and orientation joint (14) to form.
3. according to the described well system of claim 1, it is characterized in that drilling rod steering gear (2) is matched by inner core assembly (21) and outer barrel assembly (22) to form; Inner core assembly (21) upper end is connected with orientation joint (14) lower end; Outer barrel assembly (22) can move up and down with respect to inner core assembly (21).
4. according to the described well system of claim 1, it is characterized in that anchor (13) is made of grappling cylindrical shell (131), baffle plate (132), anchor fluke (133) and spring (134) assembling; Grappling cylindrical shell (131) is serially connected on the work string (15); Baffle plate (132), anchor fluke (133) and spring (134) are installed on the grappling cylindrical shell (131); Baffle plate (132) and spring (134) limit anchor fluke (133) to be in non-grappling state, and high pressure drilling liquid (8) can drive anchor fluke (133) compression spring (134) and stretch out grappling cylindrical shell (131) to be in the grappling state.
5. according to the described well system of claim 1, the inner core assembly (21) that it is characterized in that drilling rod steering gear (2) is connected with drumming assembly (214) by central tube (211), the straightener of pulling back (212), inner core tube connector (213) and forms; Central tube (211) epimere has drilling fluid (8) passway (2111), and its hypomere inner chamber is equipped with end sealing (2112), and its upper end is connected with orientation joint (14) lower end; Drumming assembly (214) lower end is connected with outer barrel assembly (22) lower end.
6. according to the described well system of claim 1, the outer barrel assembly (22) that it is characterized in that drilling rod steering gear (2) by urceolus (221) with promote side plate mechanism (222) and be connected and form; Urceolus (221) epimere is enclosed within on the central tube (211), and its hypomere is enclosed within on the inner core tube connector (213).
7. according to the described well system of claim 1, it is characterized in that drumming assembly (214) is composed in series successively by rotating cylinder 1 (2141), rotating cylinder 2 (2142), rotating cylinder 3 (2143), rotating cylinder 4 (2144) and rotating cylinder 5 (2145); Rotating cylinder 1 (2141) lower end, rotating cylinder 5 (2145) upper ends are connected with hinge pin (2146) with all the other rotating cylinders (2142,2143,2144) two ends, and it is irregular rectangular-shaped and can be around hinge pin (2146) rotation to be straight configuration or case of bending that each rotating cylinder (2141,2142,2143,2144,2145) is; In each rotating cylinder (2141,2142,2143,2144,2145) inside, two row's rollers (2147) are equipped with in both sides; Rotating cylinder 1 (2141) upper end is connected with inner core tube connector (213) lower end; Two row's rollers (2147) in the rotating cylinder 5 (2145) constitute a drilling rod (4) level and send straightener (2148) to; Rotating cylinder 5 (2145) is connected with promoting pin (223) with lifting side plate mechanism (222).
8. according to the described well system of claim 1, it is cylindrical to it is characterized in that promoting side plate mechanism (222) upper end, the lower end is the plank frame of two symmetries, and its upper end is connected with urceolus (221) lower end, and its lower end is connected with rotating cylinder 5 (2145) by promoting pin (223); Drumming assembly (214) is installed in the biside plate that promotes side plate mechanism (222), promoting side plate mechanism (222) does to propose or transfer motion, can drive the lifting pin (223) that is connected with rotating cylinder 5 (2145) moves up and down, drumming assembly (214) stretches or bending thereby drive, when adjacent each rotating cylinder (2141,2142,2143,2144,2145) when end face is adjacent to, each rotating cylinder interior roller (2147) promptly constitutes a sealing and continuous drilling rod (4) slideway.
9. according to the described well system of claim 1, urceolus (221) epimere that it is characterized in that outer barrel assembly (22) is enclosed within on the central tube (211) of inner core assembly (21), two O-ring seals (224,215) is housed to constitute a fluid cylinder-piston mechanism (221,211) between the two; Under high pressure drilling liquid (8) effect of outer barrel assembly (22) in drilling rod actuator chamber assembly (1), can upwards do lifter motion along central tube (211).
10. according to the described well system of claim 1, urceolus (221) hypomere that it is characterized in that outer barrel assembly (22) is enclosed within on the inner core tube connector (213) of inner core assembly (21), spring (225) is housed to constitute a sleeve-pull bar telescoping mechanism (221,213) in the annular space between the two; Under spring (225) elastic force effect, the drumming assembly (214) that the lifting side plate mechanism (222) of outer barrel assembly (22) can drive inner core assembly (21) stretches motion downwards.
11., it is characterized in that inner tube assembly (II) is by drill bit (3), drilling rod (4), rod string (5), joint (6) with send polished rod (7) to and compose in series successively according to the described well system of claim 1; Drill bit (3) is for producing the flow jet flow drill of taper high speed rotating fluid; Drilling rod (4) is the hollow seamless steel pipe, and its upper end has the inlet (41) of high pressure drilling liquid (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03239019 CN2615322Y (en) | 2003-02-23 | 2003-02-23 | High-pressure jet-flow radial level drilling well system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03239019 CN2615322Y (en) | 2003-02-23 | 2003-02-23 | High-pressure jet-flow radial level drilling well system |
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| CN2615322Y true CN2615322Y (en) | 2004-05-12 |
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| CN 03239019 Expired - Fee Related CN2615322Y (en) | 2003-02-23 | 2003-02-23 | High-pressure jet-flow radial level drilling well system |
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| CN100387803C (en) * | 2005-06-08 | 2008-05-14 | 阮花 | Down-hole multiple radialized holes ultra-deep boring device by abrasive water jet |
| WO2009137923A1 (en) * | 2008-05-13 | 2009-11-19 | Petrojet Canada Inc. | Hydraulic drilling method with penetration control |
| CN101886525A (en) * | 2010-07-07 | 2010-11-17 | 上海市城市建设设计研究院 | Breakage-preventing drilling bit |
| CN101660391B (en) * | 2008-08-29 | 2012-01-11 | 中国石油天然气集团公司 | Radial horizontal drilling device |
| CN102477845A (en) * | 2010-11-30 | 2012-05-30 | 中国石油大学(北京) | Method for drilling horizontal well with super-short radius |
| CN101158271B (en) * | 2007-11-19 | 2012-07-04 | 大庆油田有限责任公司 | Oil-water well oil layer positioning deep penetration horizontal drilling device |
| CN101586441B (en) * | 2009-07-01 | 2012-09-19 | 煤炭科学研究总院重庆研究院 | High-pressure water jet system and method for drilling and enlarging holes on coal bed |
| CN103140646A (en) * | 2010-08-03 | 2013-06-05 | 过油管解决方案服务有限公司 | Abrasive perforator with fluid bypass |
| CN101748970B (en) * | 2009-12-15 | 2013-09-04 | 中国石油集团长城钻探工程有限公司 | Ultra-short radius radial drilling tool system |
| CN103924923A (en) * | 2014-04-29 | 2014-07-16 | 中国石油大学(北京) | Synchronous multi-branch radial horizontal well completion method and tool |
| CN104060942A (en) * | 2014-06-20 | 2014-09-24 | 中国海洋石油总公司 | High-pressure hose guiding-in device capable of measuring drilling depth for radial jet process |
| CN104912485A (en) * | 2015-06-23 | 2015-09-16 | 北京泰坦通源天然气资源技术有限公司 | Well completion method with shale gas layer radial jetting drilling and volume fracturing combined |
| CN105134072A (en) * | 2015-08-21 | 2015-12-09 | 中煤科工集团西安研究院有限公司 | Well bottom steering device for drilling of ultra-short-radius horizontal well and construction method of well bottom steering device |
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| WO2018120581A1 (en) * | 2016-12-27 | 2018-07-05 | 中国石油大学(北京) | Flexible tube-assisted delivery device for radial horizontal well |
| US10677024B2 (en) | 2017-03-01 | 2020-06-09 | Thru Tubing Solutions, Inc. | Abrasive perforator with fluid bypass |
| US10724302B2 (en) | 2014-06-17 | 2020-07-28 | Petrojet Canada Inc. | Hydraulic drilling systems and methods |
| CN112627734A (en) * | 2021-03-09 | 2021-04-09 | 山东高原油气装备有限公司 | Directional multi-branch hydraulic jetting device for oil well and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9777558B1 (en) | 2005-03-12 | 2017-10-03 | Thru Tubing Solutions, Inc. | Methods and devices for one trip plugging and perforating of oil and gas wells |
| CN100387803C (en) * | 2005-06-08 | 2008-05-14 | 阮花 | Down-hole multiple radialized holes ultra-deep boring device by abrasive water jet |
| CN101158271B (en) * | 2007-11-19 | 2012-07-04 | 大庆油田有限责任公司 | Oil-water well oil layer positioning deep penetration horizontal drilling device |
| WO2009137923A1 (en) * | 2008-05-13 | 2009-11-19 | Petrojet Canada Inc. | Hydraulic drilling method with penetration control |
| CN102084081B (en) * | 2008-05-13 | 2014-03-05 | 佩特捷德加拿大有限责任公司 | Hydraulic drilling method with penetration control |
| CN101660391B (en) * | 2008-08-29 | 2012-01-11 | 中国石油天然气集团公司 | Radial horizontal drilling device |
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