CN108678668A - A kind of barefoot laterally drilling horizontal well deflecting tool - Google Patents
A kind of barefoot laterally drilling horizontal well deflecting tool Download PDFInfo
- Publication number
- CN108678668A CN108678668A CN201810431375.1A CN201810431375A CN108678668A CN 108678668 A CN108678668 A CN 108678668A CN 201810431375 A CN201810431375 A CN 201810431375A CN 108678668 A CN108678668 A CN 108678668A
- Authority
- CN
- China
- Prior art keywords
- delivery means
- spline
- tool
- horizontal well
- flexural moments
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
Abstract
The invention discloses a kind of barefoot laterally drilling horizontal well deflecting tools, including directional orientation tool and flexural moments delivery means；Directional orientation tool upper end is fixed on screw rod；Directional orientation tool is the shell of flexural moments delivery means, including several short sets of orientation for being cascaded；The top of flexural moments delivery means is connect with screw rod, and the lower part of flexural moments delivery means connects drill bit；Flexural moments delivery means include the Universal drive pipe nipple that several link together；The barefoot laterally drilling horizontal well deflecting tool can be effectively reduced horizontal well construction cost；Be conducive to vitalize old filed, realize old well volume increase, improve the rate of oil and gas recovery.
Description
Technical field
The present invention relates to oil-gas mining technical field, more particularly to a kind of barefoot laterally drilling horizontal well deflecting tool.
Background technology
Currently, horizontal well drilling technology plays good effect in terms of improving the rate of oil and gas recovery.But for thin oil reservoir,
Oil reservoir Efficient Development and the volume increase of old well of water cone or gas coning occurs, if using conventional horizontal well technology, construction cost is too high,
Deficiency in economic performance.
Super short radial horizontal well drilling technology can be operated with low-cost high-efficiency, be increased economic efficiency.Especially in buried hill Lao Jing
It when construction, need not additionally open a window, can directly select in top of oil horizon sidetracking, improve drilling efficiency.
Currently, company can be oriented to the super short radial horizontal well drilling well kit and skill of rotation broken rock not yet both at home and abroad
Art, while the technical barriers such as the technology there is also well dynamic torques to transmit, the transmission of ultra-short radius underground signal.
Invention content
The object of the present invention is to provide a kind of barefoot laterally drilling horizontal well deflecting tools.
For this purpose, technical solution of the present invention is as follows：
A kind of barefoot laterally drilling horizontal well deflecting tool, including directional orientation tool and flexural moments delivery means；On directional orientation tool
End is fixed on screw rod shell；Directional orientation tool is the shell of flexural moments delivery means, including several determining of being cascaded
To short set；It orients short set and is respectively formed with convex platform and convex slot up and down；It is fixed up and down that convex platform and convex slot are respectively used to connection
To short set；The lateral contact surface of the adjacent short set of orientation is respectively formed on the inclined-plane that several angles of inclination are α, under external force
Inclined-plane can be bonded completely；
The top of flexural moments delivery means is connect with screw rod, and the lower part of flexural moments delivery means connects drill bit；It is flexible
Torque transmitting tool includes the Universal drive pipe nipple that several link together；Universal drive pipe nipple includes splined shaft, spline housing
And spacing ring；Splined shaft is the shaft-like structure of inner hollow；Universal drive pipe nipple upper and lower ends be respectively formed with internal thread and
External screw thread, for current Universal drive pipe nipple and neighbouring Universal drive pipe nipple to be attached；On the splined shaft
It is formed with spline wheel, eight spline tooths are evenly arranged on spline wheel；It is each formed with sealing spherical surface in the both sides up and down of spline wheel；
It is formed on spline housing and the matched spline of spline tooth；The spline housing is sleeved on splined shaft, and spacing ring is fixed on spline housing
It is formed on the inner wall of lower end, on spacing ring and the sealing matched curved surface of spherical surface.
The convex platform of the short set of orientation and the side of convex slot is respectively equipped with concentric arc-shaped slot, the other side point
It She You not arc-shaped limit block and limiting slot.
Compared with prior art, which can be effectively reduced horizontal well construction cost；
Be conducive to vitalize old filed, realize old well volume increase, improve the rate of oil and gas recovery.
Description of the drawings
Fig. 1 is the structural schematic diagram of barefoot laterally drilling horizontal well deflecting tool provided by the invention.
Fig. 2 is to orient short nested structure schematic diagram.
Fig. 3 is the adjacent short set combination diagram of orientation.
Fig. 4 is that the adjacent combination of deflecting tool rotates 2 α angle schematic diagrames.
Fig. 5 is the positive sectional view of Universal drive pipe nipple.
Fig. 6 is the side sectional view of Universal drive pipe nipple.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described further, but following embodiments are absolutely not to this hair
It is bright to have any restrictions.
A kind of barefoot laterally drilling horizontal well deflecting tool, as shown in figs. 1 to 6, including directional orientation tool and flexural moments transmit work
Tool；Directional orientation tool upper end is fixed on the shell of screw rod 7；Directional orientation tool is the shell of flexural moments delivery means, including several
A orientation being cascaded is short to cover 5；It orients about 5 short set and is respectively formed with convex platform and convex slot；Convex platform and convex slot
It is respectively used to connect and orients short set 5 up and down；The adjacent lateral contact surface for orienting short set 5 has been respectively formed on several angles of inclination and has been
The inclined-plane of α, under external force inclined-plane can be bonded completely；
The top of flexural moments delivery means is connect with the transmission shaft 7-1 of screw rod 7, and the lower part of flexural moments delivery means connects
Connect drill bit；Flexural moments delivery means include the Universal drive pipe nipple 4 that several link together；Universal drive pipe nipple 4 includes
Splined shaft 4-1, spline housing 4-4 and spacing ring 4-2；Splined shaft 4-1 is the shaft-like structure of inner hollow；Universal drive pipe nipple is upper
Lower both ends are respectively formed with internal thread and external screw thread, are used for current Universal drive pipe nipple 4 and neighbouring Universal drive is short
Section 4 is attached；It is formed with spline wheel on the splined shaft 4-1, eight spline tooths are evenly arranged on spline wheel；In spline
The both sides up and down of wheel are each formed with sealing spherical surface；It is formed on spline housing 4-4 and the matched spline of spline tooth；The spline housing
4-4 is sleeved on splined shaft 4-1, and spacing ring 4-2 is fixed on the inner wall of the lower ends spline housing 4-4, be formed on spacing ring 4-2 with it is close
The matched curved surface in blocking face.
In an embodiment of the present invention, the side of the convex platform for orienting short set 5 and convex slot is respectively equipped with
Concentric arc-shaped slot 5-7, the other side are respectively equipped with arc-shaped limit block 5-5 and limiting slot 5-6, pass through the arc of the coaxial heart
Shape, which buckles 5-9 and screw 5-10, which locks adjacent short set 5, prevents from falling off.
When work, by being continuously applied to bit pressure, gradually 2 α of rotational angle between each other from bottom to top of orienting cover short 5, simultaneously
The Universal drive pipe nipple 4 of torque transmitting tool along orientation 5 rotation directions of short set and angle turn to, to make drill bit 1 steering and
The lower deflecting drilling of bit pressure effect, finally realizes 90 ° of horizontal drillings.
Claims (2)
1. a kind of barefoot laterally drilling horizontal well deflecting tool, which is characterized in that including directional orientation tool and flexural moments delivery means；It is fixed
It is fixed on and is should be on screw rod shell to tool upper end；Directional orientation tool is the shell of flexural moments delivery means, including several strings
The short set (5) of orientation being linked togather；It orients short set (5) and is respectively formed with convex platform and convex slot up and down；Convex platform and convex slot
It is respectively used to connect the short set (5) of orientation up and down；The lateral contact surface of the adjacent short set (5) of orientation has been respectively formed on several inclinations angle
Degree is the inclined-plane of α, and inclined-plane can be bonded completely under external force；
The top of flexural moments delivery means is connect with screw rod, and the lower part of flexural moments delivery means connects drill bit；Flexural moments
Delivery means include the Universal drive pipe nipple (4) that several link together；Universal drive pipe nipple (4) include splined shaft (4-1),
Spline housing (4-4) and spacing ring (4-2)；Splined shaft (4-1) is the shaft-like structure of inner hollow；Universal drive pipe nipple is upper and lower two
End is respectively formed with internal thread and external screw thread, is used for current Universal drive pipe nipple (4) and neighbouring Universal drive pipe nipple
(4) it is attached；It is formed with spline wheel on the splined shaft (4-1), eight spline tooths are evenly arranged on spline wheel；In flower
The both sides up and down of key wheel are each formed with sealing spherical surface；It is formed on spline housing (4-4) and the matched spline of spline tooth；The flower
Key set (4-4) is sleeved on splined shaft (4-1), and spacing ring (4-2) is fixed on the inner wall of the lower end spline housing (4-4), spacing ring (4-
2) it is formed on and the sealing matched curved surface of spherical surface.
2. barefoot laterally drilling horizontal well deflecting tool according to claim 1, which is characterized in that the short set (5) of the orientation
Convex platform and the side of convex slot be respectively equipped with concentric arc-shaped slot, the other side is respectively equipped with arc-shaped limit block and limit
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431375.1A CN108678668A (en) | 2018-05-08 | 2018-05-08 | A kind of barefoot laterally drilling horizontal well deflecting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431375.1A CN108678668A (en) | 2018-05-08 | 2018-05-08 | A kind of barefoot laterally drilling horizontal well deflecting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108678668A true CN108678668A (en) | 2018-10-19 |
Family
ID=63803013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810431375.1A Pending CN108678668A (en) | 2018-05-08 | 2018-05-08 | A kind of barefoot laterally drilling horizontal well deflecting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108678668A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827884A (en) * | 2020-08-05 | 2020-10-27 | 中国石油天然气股份有限公司 | Short-radius side-drilling universal drill rod |
| CN112031653A (en) * | 2019-06-06 | 2020-12-04 | 万晓跃 | Easily-deflecting hybrid rotary steering drilling system |
| CN113216868A (en) * | 2021-05-11 | 2021-08-06 | 中煤科工集团西安研究院有限公司 | One-way bending drilling tool and punching, cave-making and coal-drawing method |
| US11448041B2 (en) | 2019-08-13 | 2022-09-20 | Halliburton Energy Services, Inc. | Drillable window assembly for controlling the geometry of a multilateral wellbore junction |
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| CN201614888U (en) * | 2010-01-28 | 2010-10-27 | 大庆亨得利石油技术服务有限公司 | Horizontal well flexible drilling tool |
| CN202047748U (en) * | 2011-04-19 | 2011-11-23 | 北京百利时能源技术有限责任公司 | Ultra short radius horizontal well flexible drilling tool |
| CN107165575A (en) * | 2017-07-17 | 2017-09-15 | 河北中荣石油机械有限责任公司 | A kind of ultra-short radius well deflecting drilling tool |
| CN207160976U (en) * | 2017-07-17 | 2018-03-30 | 河北中荣石油机械有限责任公司 | A kind of ultra-short radius well deflecting guide sleeve |
| CN207161002U (en) * | 2017-07-17 | 2018-03-30 | 河北中荣石油机械有限责任公司 | A kind of ultra-short radius drilling well erection device and drilling apparatus |
| CN207160975U (en) * | 2017-07-17 | 2018-03-30 | 河北中荣石油机械有限责任公司 | A kind of length compensation boring rod set of ultra-short radius deflecting drilling tool |
| CN107869312A (en) * | 2017-10-12 | 2018-04-03 | 中国石油天然气股份有限公司 | Flex-stem |
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2018
- 2018-05-08 CN CN201810431375.1A patent/CN108678668A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201614888U (en) * | 2010-01-28 | 2010-10-27 | 大庆亨得利石油技术服务有限公司 | Horizontal well flexible drilling tool |
| CN202047748U (en) * | 2011-04-19 | 2011-11-23 | 北京百利时能源技术有限责任公司 | Ultra short radius horizontal well flexible drilling tool |
| CN107165575A (en) * | 2017-07-17 | 2017-09-15 | 河北中荣石油机械有限责任公司 | A kind of ultra-short radius well deflecting drilling tool |
| CN207160976U (en) * | 2017-07-17 | 2018-03-30 | 河北中荣石油机械有限责任公司 | A kind of ultra-short radius well deflecting guide sleeve |
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| CN207160975U (en) * | 2017-07-17 | 2018-03-30 | 河北中荣石油机械有限责任公司 | A kind of length compensation boring rod set of ultra-short radius deflecting drilling tool |
| CN107869312A (en) * | 2017-10-12 | 2018-04-03 | 中国石油天然气股份有限公司 | Flex-stem |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031653A (en) * | 2019-06-06 | 2020-12-04 | 万晓跃 | Easily-deflecting hybrid rotary steering drilling system |
| US11448041B2 (en) | 2019-08-13 | 2022-09-20 | Halliburton Energy Services, Inc. | Drillable window assembly for controlling the geometry of a multilateral wellbore junction |
| CN111827884A (en) * | 2020-08-05 | 2020-10-27 | 中国石油天然气股份有限公司 | Short-radius side-drilling universal drill rod |
| CN113216868A (en) * | 2021-05-11 | 2021-08-06 | 中煤科工集团西安研究院有限公司 | One-way bending drilling tool and punching, cave-making and coal-drawing method |
| CN113216868B (en) * | 2021-05-11 | 2022-06-24 | 中煤科工集团西安研究院有限公司 | One-way bending drilling tool and punching, cave-making and coal-drawing method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |
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| RJ01 | Rejection of invention patent application after publication |