CN112610157A - Prevent changeing stack formula director - Google Patents
Prevent changeing stack formula director Download PDFInfo
- Publication number
- CN112610157A CN112610157A CN202011524936.6A CN202011524936A CN112610157A CN 112610157 A CN112610157 A CN 112610157A CN 202011524936 A CN202011524936 A CN 202011524936A CN 112610157 A CN112610157 A CN 112610157A
- Authority
- CN
- China
- Prior art keywords
- rotation
- upper guide
- connecting piece
- inclined plane
- guide
- 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
Links
- 238000005553 drilling Methods 0.000 abstract description 31
- 210000002445 nipple Anatomy 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/067—Deflecting the direction of boreholes with means for locking sections of a pipe or of a guide for a shaft in angular relation, e.g. adjustable bent sub
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/062—Deflecting the direction of boreholes the tool shaft rotating inside a non-rotating guide travelling with the shaft
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (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 relates to the technical field of drilling equipment, in particular to an anti-rotation overlapped guider. Including last guide part, go up the guide part upper end and seted up the direction inclined plane, go up direction inclined plane middle part and seted up the guide way, it slides and is provided with the connecting piece to go up the guide part lower extreme, connecting piece lower extreme threaded connection has rather than endocentric anti-rotation anchor body, it is fixed with the urceolus to go up the guide part lower part outside, the urceolus internal fixation of connecting piece below has the inner ring, the inner ring upper end tightly supports the connecting piece lower extreme, anti-rotation anchor body lower extreme threaded connection has the nipple joint, nipple joint lower extreme threaded connection has lower guide part, lower guide part lower extreme has seted up down the direction inclined plane, lower. The invention has the advantages of simple structure, convenient use, good stability, controllable angle, capability of reducing the drilling cost, more standard windowing window, easier access of a drilling tool to the window and capability of improving the drilling efficiency.
Description
Technical Field
The invention relates to the technical field of drilling equipment, in particular to an anti-rotation overlapped guider.
Background
The window sidetracking drilling technology is a comprehensive drilling technology developed on the basis of a directional well, a horizontal well and a slim hole drilling technology, represents the development level of the drilling technology to a certain extent, can revive casing damage wells, production stopping wells, abandoned wells, low-yield wells and the like, improves the exploitation efficiency of oil reservoirs, effectively develops various oil reservoirs, improves the recovery ratio and the yield of the oil wells, and reduces the comprehensive development cost; the original well site, ground mining and transportation equipment and the like are fully utilized, the drilling operation cost is reduced, the use cost of a sleeve and the construction cost of the ground are saved, the construction cost is reduced, the construction period is shortened, and the comprehensive economic benefit is improved; the popularization of the technology is also beneficial to environmental protection. At present, oil reservoir blocks are exploited for many years, and a large number of production stopping wells and waste reporting wells are caused by various reasons after the oil reservoir blocks enter the later development stage; because the stratum is complicated, the exploration and development difficulty is large, and a large number of casing damage wells and low-yield wells exist. The well-drilling technology of the window sidetracking is applied to re-drilling the old well, so that the old well is revived and the productivity is increased.
Disclosure of Invention
The invention aims to solve the technical problems of simple structure, convenient use, good stability, reduced drilling cost, more standard windowing window, easier access of a drilling tool to the window and improved drilling efficiency.
In order to achieve the purpose, the invention provides the technical scheme that:
the utility model provides an prevent changeing stacked director, including last guide, go up the guide upper end and seted up the direction inclined plane of leading, go up direction inclined plane middle part and seted up length direction rather than parallel last guide way, it is provided with rather than endocentric connecting piece to go up the guide lower extreme slip, connecting piece lower extreme threaded connection has rather than endocentric anti-rotation anchor body to go up the guide lower part outside and be fixed with rather than endocentric urceolus, connecting piece and anti-rotation anchor body upper portion are located the urceolus, the urceolus internal fixation of connecting piece below has the inner ring, the inner ring upper end supports the connecting piece lower extreme tightly, anti-rotation anchor body lower extreme threaded connection has the nipple joint, nipple joint lower extreme threaded connection has lower guide, lower guide lower extreme has seted up down the direction inclined plane of leading, the.
The anti-rotation anchor body below the outer barrel is uniformly provided with a plurality of elongated grooves on the upper circumference, the length direction of each elongated groove is parallel to that of the anti-rotation anchor body, anti-rotation slips are arranged in the elongated grooves, stop pins for preventing the anti-rotation pull tiles from falling out of the elongated grooves are mounted in the upper end and the lower end of each elongated groove, one side of the end surface, facing the bottom of each elongated groove, of each anti-rotation slip is connected with the bottom of each elongated groove through an elastic sheet, the other side of the end surface, facing the bottom of each elongated groove, of each anti-rotation slip is in contact with the bottom of each elongated groove, guide blocks are fixed at the upper ends of the anti-rotation slips, inclined planes at the upper ends.
Specifically, the lower guide inclined planes on two sides of the lower guide groove are both fixed with inserting blocks, the upper guide inclined planes on two sides of the upper guide groove are both provided with grooves, the grooves are internally provided with sliding blocks in a sliding manner, and the lower ends of the sliding blocks are connected with the bottoms of the grooves through springs.
Specifically, one side of the anti-rotation slip, which is far away from the anti-rotation anchor body, is processed with teeth.
Specifically, a plurality of vertical polish rods are uniformly distributed and fixed on the circumference of the lower end of the upper guide piece, and the polish rods are arranged in vertical blind holes in the upper end of the connecting piece in a sliding mode.
Specifically, the upper end face of the sliding block is an inclined face, and the inclined face of the upper end face of the sliding block is parallel and parallel to the upper guide inclined face.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure, convenient use and good stability, can effectively save the directional cost and time, only needs to do one-time directional operation in the construction, carries out directional operation at the branch well at the bottom, carries out drilling on the branch well at the bottom after the lateral drilling is finished and the whipstock is put in, uses the guider to be superposed on the oblique upgrader, utilizes the upper guide inclined plane and the upper guide groove to guide the drill bit, thereby drilling the branch well above, can superpose a plurality of the guider to further drill the branch wells in different directions, has controllable angle, can reduce the drilling cost, has more standard windowing windows, is easier for a drilling tool to enter and exit the windows, and can improve the drilling efficiency.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is an enlarged view of the region B in fig. 3.
Fig. 5 is a schematic structural view of the upper guide slope contacting the lower guide slope.
Fig. 6 is an enlarged view of the region C in fig. 5.
Fig. 7 is a sectional structure diagram of the anti-rotation anchor body.
FIG. 8 is a schematic diagram of a lateral drilling configuration utilizing the present invention.
Detailed Description
As shown in fig. 1-8, an anti-rotation stacked guider comprises an upper guiding member 1, an upper guiding inclined plane 14 is arranged at the upper end of the upper guiding member 1, an upper guiding groove 15 parallel to the upper guiding inclined plane in the length direction is arranged in the middle of the upper guiding inclined plane 14, a connecting member 2 concentric with the upper guiding member 1 is arranged at the lower end of the upper guiding member 1 in a sliding manner, a plurality of vertical polish rods 3 are uniformly distributed and fixed on the circumference of the lower end of the upper guiding member 1, the polish rods 3 are arranged in vertical blind holes at the upper end of the connecting member 2 in a sliding manner, an anti-rotation anchor body 9 concentric with the connecting member 2 is connected to the lower end of the connecting member 2 through threads, an outer cylinder 4 concentric with the upper portion of the upper guiding member 1 is fixed on the outer side of the lower part of the upper guiding member 1, an inner ring 16 is fixed in the outer cylinder 4 below the connecting member 2, the upper end of the inner, the lower end of the lower guide part 11 is provided with a lower guide inclined plane 12, and the middle part of the lower guide inclined plane 12 is provided with a lower guide groove 13 parallel to the length direction.
The anti-rotation anchor body 9 below the outer barrel 4 is uniformly provided with a plurality of long grooves 5 on the circumference, the length direction of each long groove 5 is parallel to that of the anti-rotation anchor body 9, anti-rotation slips 6 are arranged in the long grooves 5, teeth are machined on one side, away from the anti-rotation anchor body 5, of each anti-rotation slip 6, stop pins 7 used for preventing the anti-rotation pull tiles 6 from falling off from the long grooves 5 are installed in the upper end and the lower end of each long groove 5, one side, facing the end face of the bottom of each long groove 5, of each anti-rotation slip 6 is connected with the bottom of each long groove 5 through an elastic piece 17, the other side, facing the bottom of each long groove 5, of the end face of each anti-rotation slip 6 is in contact with the bottom of each long groove 5, guide blocks 8 are fixed at the upper ends of the anti-rotation slips 6, inclined faces of the upper.
The lower guide inclined plane 12 at two sides of the lower guide groove 13 is fixed with an inserting block 23, the upper guide inclined plane 14 at two sides of the upper guide groove 15 is provided with a groove 18, a sliding block 19 is arranged in the groove 18 in a sliding manner, the lower end of the sliding block 19 is connected with the groove bottom of the groove 18 through a spring 20, the upper end surface of the sliding block 19 is an inclined plane, and the inclined plane at the upper end surface of the sliding block 19 is parallel and parallel to the upper guide inclined plane 14.
During the drilling process, the bottom branch 22 of the shaft is oriented, after the orientation is finished, a whipstock is put in, the bottom branch 22 is drilled by the direction of the whipstock, after the drilling of the bottom branch 22 is finished, the drilling tool is taken out, then the angle and the position of the upper guide inclined plane 14 of the guide are adjusted according to the direction of the bottom branch 22, when the lower guide inclined plane 12 of the guide is contacted with the inclined plane of the whipstock, the upper guide inclined plane 14 of the guide corresponds to the windowing window 21 of the upper branch 22, under the guiding action of the upper guide inclined plane 14 and the upper guide groove 15, the drilling tool is inclined to drill the upper branch 22, after the guide is put in, the teeth of the anti-rotation slips 6 can tightly abut against the inner edge of the casing, when the guide rotates, the anti-rotation slips 6 can retract into the elongated slot 5 anticlockwise, the elastic sheet 17 is compressed, when the guider rotates clockwise, under the action of friction force between teeth of the anti-rotation slips 6 and the inner edge of the sleeve and the blocking action of the long groove 5 on the anti-rotation slips 6, the anti-rotation slips 6 cannot be screwed out of the outer side of the long groove 5, so that the guider cannot rotate clockwise. By replacing the short section 10 with different length, the height of the upper guide inclined surface 14 can be increased.
The drilling tool precession in-process is clockwise rotation, and when the drilling tool contacted with last direction inclined plane 14, prevents that changeing slips 6 can prevent that this director from rotating under the effort of drilling tool, and when the drilling tool contacted with last direction inclined plane 14 simultaneously, go up guide 1 and descend, and 4 lower extremes of urceolus are used in on the inclined plane of guide block 8 to can make and prevent changeing slips 6 tight support sleeve pipe inner edge, the stability can be better.
When the branch well 22 is drilled, a plurality of the guiders can be stacked, when the guiders are stacked, when the lower guide inclined plane 12 of the upper guider is contacted with the upper guide inclined plane 14 of the lower guider, the inserting block 23 can extrude the sliding block 19 in the groove 18 and is inserted in the groove 18, and therefore stability after the guiders are stacked is improved. The sliding block 19 is arranged in the groove 18 in a sliding mode, so that sundries can be prevented from falling into the groove 18 to block the groove and influence the insertion of the insertion block 23. The upper end of the slide 19 is flush with the upper guide slope 14 and therefore does not interfere with the drilling of the drill bit.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An anti-rotation superposed guider comprises an upper guide part and is characterized in that the upper end of the upper guide part is provided with an upper guide inclined plane, the middle part of the upper guide inclined plane is provided with an upper guide groove parallel to the upper guide inclined plane in the length direction, the lower end of the upper guide part is slidably provided with a connecting piece concentric with the upper guide part, the lower end of the connecting piece is in threaded connection with an anti-rotation anchor body concentric with the upper guide inclined plane, the outer side of the lower part of the upper guide part is fixedly provided with an outer cylinder concentric with the upper guide inclined plane, the upper parts of the connecting piece and the anti-rotation anchor body are positioned in the outer cylinder, an inner ring is fixedly arranged in the outer cylinder below the connecting piece, the upper end of the inner ring is tightly abutted against the lower end of the connecting piece, the lower end of the anti-rotation,
the anti-rotation anchor body below the outer barrel is uniformly provided with a plurality of elongated grooves on the upper circumference, the length direction of each elongated groove is parallel to that of the anti-rotation anchor body, anti-rotation slips are arranged in the elongated grooves, stop pins for preventing the anti-rotation pull tiles from falling out of the elongated grooves are mounted in the upper end and the lower end of each elongated groove, one side of the end surface, facing the bottom of each elongated groove, of each anti-rotation slip is connected with the bottom of each elongated groove through an elastic sheet, the other side of the end surface, facing the bottom of each elongated groove, of each anti-rotation slip is in contact with the bottom of each elongated groove, guide blocks are fixed at the upper ends of the anti-rotation slips, inclined planes at the upper ends.
2. The anti-rotation stacked guide device as claimed in claim 1, wherein the lower guide slopes on both sides of the lower guide groove are fixed with the insert block, the upper guide slopes on both sides of the upper guide groove are provided with grooves, the grooves are internally provided with the slide blocks in a sliding manner, and the lower ends of the slide blocks are connected with the bottoms of the grooves through springs.
3. The anti-rotation stacked guider according to claim 1, wherein one side of the anti-rotation slip, which is far away from the anti-rotation anchor body, is processed with teeth.
4. The anti-rotation stacked guider according to claim 1, wherein a plurality of vertical polish rods are uniformly distributed and fixed on the circumference of the lower end of the upper guider, and the polish rods are slidably arranged in vertical blind holes at the upper end of the connecting piece.
5. The anti-rotation stacking guide device as claimed in claim 2, wherein the upper end surface of the slide block is an inclined surface, and the inclined surface of the upper end surface of the slide block is parallel and flush with the upper guide inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524936.6A CN112610157A (en) | 2020-12-22 | 2020-12-22 | Prevent changeing stack formula director |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524936.6A CN112610157A (en) | 2020-12-22 | 2020-12-22 | Prevent changeing stack formula director |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112610157A true CN112610157A (en) | 2021-04-06 |
Family
ID=75243895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011524936.6A Pending CN112610157A (en) | 2020-12-22 | 2020-12-22 | Prevent changeing stack formula director |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112610157A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793599A (en) * | 2005-12-30 | 2006-06-28 | 中国海洋石油总公司 | Apparatus for connecting branching well window and connecting method thereof |
| CN2851501Y (en) * | 2005-11-18 | 2006-12-27 | 新疆石油管理局钻井工艺研究院 | Positioning device for whipstock |
| CN1948702A (en) * | 2005-10-10 | 2007-04-18 | 中国石油天然气集团公司 | Well drilling method of multibranch well |
| CN206769813U (en) * | 2017-06-12 | 2017-12-19 | 杨红喜 | The oblique guider of sidetracked hole windowing |
| CN111878021A (en) * | 2020-07-27 | 2020-11-03 | 中海石油(中国)有限公司 | Multilateral well tool system and method |
-
2020
- 2020-12-22 CN CN202011524936.6A patent/CN112610157A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948702A (en) * | 2005-10-10 | 2007-04-18 | 中国石油天然气集团公司 | Well drilling method of multibranch well |
| CN2851501Y (en) * | 2005-11-18 | 2006-12-27 | 新疆石油管理局钻井工艺研究院 | Positioning device for whipstock |
| CN1793599A (en) * | 2005-12-30 | 2006-06-28 | 中国海洋石油总公司 | Apparatus for connecting branching well window and connecting method thereof |
| CN206769813U (en) * | 2017-06-12 | 2017-12-19 | 杨红喜 | The oblique guider of sidetracked hole windowing |
| CN111878021A (en) * | 2020-07-27 | 2020-11-03 | 中海石油(中国)有限公司 | Multilateral well tool system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110984859B (en) | Radial horizontal drilling and sand prevention well completion tool and method | |
| RU2150567C1 (en) | Method of drilling underground wells from casing | |
| CN202348191U (en) | One-trip window sidetrack drilling tool | |
| CN110067509B (en) | Reverse well drilling machine capable of drilling directional pilot hole and construction process of directional pilot hole | |
| CN204511346U (en) | A kind of directional inclination core drill | |
| US11946374B2 (en) | Omni-directional horizontally orientaed deflecting tool for coiled tubing | |
| CN216741394U (en) | Underground pipe column centralizer | |
| CN114016910B (en) | Elastic bending joint directional underground coal mine directional drilling device and method | |
| CN111594130A (en) | Method for integrated periodical production of encryption adjustment of pressure, injection and extraction | |
| CN105134073B (en) | Radially horizontal well shaft bottom transfer and its construction method | |
| NO20210654A1 (en) | Perturbation based well path reconstruction | |
| CN112610157A (en) | Prevent changeing stack formula director | |
| CN105134072B (en) | The shaft bottom transfer and its construction method of super short radial horizontal well drilling well | |
| CN110748293A (en) | Multilateral well open hole completion method | |
| CN109854203B (en) | Windowing sidetracking plugging device and method for branch well | |
| CN214836114U (en) | Multi-branch well bore ultra-short radius windowing sidetrack drilling recoverable positioner | |
| CN202596577U (en) | Radial horizontal well orienting device | |
| CN102635311A (en) | Orienting device for drilling of radial horizontal well | |
| US20170044858A1 (en) | Running Tool Lock Open Device | |
| CN204960803U (en) | Coiled tubing sprays and to creep into sleeve pipe rotatory cloth hole director of windowing | |
| CN202023504U (en) | Rotary eccentric casing drilling device | |
| CN211144381U (en) | Drill bit guiding device for well drilling | |
| US3221824A (en) | Tool for laying a pipeline laterally of a well bore | |
| CN106703699A (en) | Vibrator capable of providing secondary impact through pressure pulse | |
| CN112412336A (en) | Natural gas hydrate reservoir drilling method based on single-cylinder double-well technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| 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: 20210406 |
|
| RJ01 | Rejection of invention patent application after publication |