CN111963087B - Hindered self-rotation type bottom hole multi-branch yield increasing tool guide shoe - Google Patents
Hindered self-rotation type bottom hole multi-branch yield increasing tool guide shoe Download PDFInfo
- Publication number
- CN111963087B CN111963087B CN202011006325.2A CN202011006325A CN111963087B CN 111963087 B CN111963087 B CN 111963087B CN 202011006325 A CN202011006325 A CN 202011006325A CN 111963087 B CN111963087 B CN 111963087B
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- Prior art keywords
- rotating
- shell
- guide shoe
- mushroom head
- tool guide
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- 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.)
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- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 230000000638 stimulation Effects 0.000 claims description 7
- 238000005553 drilling Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003345 natural gas Substances 0.000 abstract description 2
- 239000003209 petroleum derivative Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
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 field of petroleum and natural gas drilling tools, in particular to a guide shoe for a hindered self-rotation type well bottom multi-branch production increasing tool. Including casing subassembly and rotation setting are in the inside rotating assembly of casing subassembly, rotating assembly one end stretches out casing subassembly and fixedly connected with mushroom head, row's tooth has been seted up to mushroom head circumference, casing subassembly with the rotating assembly cooperation is provided with messenger rotating assembly pivoted rotating portion, the rotating assembly outside cover has reset spring. The invention is suitable for tool well operation of well bottom multi-branch yield increasing drilling operation with non-circulated mud, and the use of the tool can not influence the drilling operation process.
Description
Technical Field
The invention relates to the field of petroleum and natural gas drilling tools, in particular to a guide shoe for a hindered self-rotation type well bottom multi-branch production increasing tool.
Background
The well drilling technology with multiple branches at the bottom is used as an emerging well drilling technology, can replace two operations of perforation and fracturing in conventional well completion operation, combines two operations of a well completion stage into one operation in the well drilling process, reduces construction risks in the perforation and fracturing operation process, reduces well completion operation time, shortens well construction period, and further reduces well construction cost. Compared with the conventional perforation and fracturing operation, the well bottom multi-branch yield-increasing drilling technology can provide a production area with a larger radius for oil extraction operation, realize forced modification of an oil reservoir, improve the heterogeneity of the oil reservoir and modify natural cracks of oil production, and in a word, the use of the well bottom multi-branch yield-increasing drilling technology can enable the oil reservoir to have a better yield-increasing effect. However, in the actual downhole multi-branch production-increasing drilling process, particularly in the downhole multi-branch production-increasing drilling process, the existence of irregular well walls, well wall steps and other foreign matters on the well walls becomes a blocking point of the tool in the downhole process, so that the downhole multi-branch production-increasing drilling tool is prevented from being lowered into the well, and even the well walls are damaged and the tool is blocked. And affects both stimulation operations and subsequent completion operations.
Disclosure of Invention
The invention aims to provide a guide shoe of a hindered self-rotation type well bottom multi-branch production increasing tool, so as to solve the problems, and provide a multi-branch production increasing drilling tool which can repair a well wall and can not be blocked in the lowering process.
In order to achieve the above object, the present invention provides the following solutions:
the utility model provides a hindered rotation type shaft bottom multi-branch tool guide shoe, is in including casing subassembly and rotation setting the inside rotating assembly of casing subassembly, rotating assembly one end stretches out casing subassembly and fixedly connected with mushroom head, the row tooth has been seted up to the circumference on the mushroom head, the casing subassembly with the cooperation is provided with between the rotating assembly makes rotating assembly pivoted rotating part, the rotating assembly outside cover has reset spring.
Preferably, the shell assembly comprises an upper joint, a first shell, a second shell and a lower joint which are sequentially connected in a threaded manner; the first shell inner side wall is in running fit with the rotating assembly through the rotating part.
Preferably, the rotating assembly comprises a rotating shaft and a connecting shaft which are sequentially connected in a threaded manner, and the rotating shaft is provided with a connecting shaft; the connecting shaft is in running fit with the first shell through the rotating part.
Preferably, the rotating part comprises an inner spiral and an outer spiral, and the inner spiral is matched with the outer spiral.
Preferably, the second housing inner wall is provided with the inner spiral or the outer spiral.
Preferably, the outer side wall of the rotating shaft is provided with an outer spiral or an inner spiral matched with the second shell, the rotating shaft is of a ladder-shaped structure, the outer side of the rotating shaft, which is far away from the connecting shaft, is sleeved with the reset spring, and the end part of the connecting shaft, which is far away from the rotating shaft, is fixedly connected with the mushroom head.
Preferably, a spring fixing ring is arranged in one end of the first shell far away from the mushroom head, and the rotating shaft is rotatably arranged in the spring fixing ring.
Preferably, the lower joint is provided with a fixing ring near the inner side wall of the mushroom head, and the fixing ring is in threaded connection with the lower joint.
Preferably, the lower joint is provided with a roller bearing adjacent to the fixing ring, and the connecting shaft is rotatably connected with the housing assembly through the roller bearing.
Preferably, the row of teeth are protrusions arranged along the axial direction of the mushroom head.
The invention has the following technical effects:
the invention is suitable for tool well operation of well bottom multi-branch yield increasing drilling operation with non-circulated mud, and the use of the tool can not influence the drilling operation process. The well wall can be trimmed, so that the well wall is smooth and flat, the quality of a well cementation cement sheath is improved, and the overall well cementation quality is improved, so that the well cementation device is an oil-gas well operation tool with higher economic value and popularization value.
The invention can effectively avoid the occurrence of blocking in the well descending process of the well bottom multi-branch yield increasing drilling tool, increase the well descending smoothness, improve the operation efficiency, reduce the occurrence of complex condition treatment, reduce the non-production time of blocking, dredging, and the like, reduce the non-production expenditure, further reduce the well construction cost and the well construction period. The tool is arranged at the lower part of the well bottom multi-branch yield increasing drilling tool and is directly contacted with the well wall and various blocking point substances. The tool has the characteristics of high strength of key parts of the tool, simple overall design structure, simplicity and convenience in operation and low operation cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of B in FIG. 1;
FIG. 4 is an enlarged view of a portion of C in FIG. 1;
FIG. 5 is an enlarged view of part of D in FIG. 1;
FIG. 6 is a schematic cross-sectional view of a mushroom head.
Wherein, 1 is the top connection, 2 is the spring retainer ring, 3 is first shell, 4 is reset spring, 5 is the second shell, 6 is the pivot, 7 is the connecting axle, 8 is the bottom connection, 9 is roller bearing, 10 is the retainer ring, 11 is the mushroom head, 1101 is row tooth.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
Referring to fig. 1-6, the present embodiment provides a hindered self-rotating downhole multi-branch stimulation tool shoe,
including casing subassembly and rotation setting at the inside rotating member of casing subassembly, rotating member one end stretches out casing subassembly and fixedly connected with mushroom head 11, and row tooth 1101 has been seted up to the circumference on the mushroom head 11, and the cooperation is provided with the rotatory portion that makes rotating member pivoted between casing subassembly and the rotating member, and the rotating member outside cover has reset spring 4.
In a further optimized scheme, the shell assembly comprises an upper joint 1, a first shell 3, a second shell 5 and a lower joint 8 which are connected in sequence in a threaded manner; the inner side wall of the first shell 3 is in running fit with the rotating component through the rotating part.
In a further optimized scheme, the rotating assembly comprises a rotating shaft 6 and a connecting shaft 7 which are sequentially connected in a threaded manner, and the rotating shaft 6; the connection shaft 7 is in a rotating fit with the first housing 3 by a rotating part.
Further optimizing scheme, the rotation part includes internal spiral and external spiral, and internal spiral and external spiral phase-match.
Further optimizing scheme, the second shell 5 inner wall is equipped with outer spiral.
Further optimizing scheme, the lateral wall of pivot 6 is equipped with second shell 5 assorted internal screw, and pivot 6 is ladder-like structure, and the outside cover that pivot 6 kept away from connecting axle 7 has reset spring 4, and connecting axle 7 kept away from the tip and the first 11 fixed connection of mushroom of pivot 6.
Further optimizing scheme is provided with spring retainer ring 2 in the one end that first shell 3 kept away from mushroom head 11, and pivot 6 rotates and sets up in spring retainer ring 2.
In a further optimization scheme, the inner side wall of the lower joint 8, which is close to the mushroom head 11, is provided with a fixing ring 10, and the fixing ring 10 is in threaded connection with the lower joint 8.
The lower joint 8 is provided with a roller bearing 9 adjacent to the stationary ring 10, and the connecting shaft 7 is rotatably connected with the housing assembly by means of the roller bearing 9.
Further preferably, the teeth 1101 are protrusions arranged along the axial direction of the mushroom head 11.
The working procedure of this embodiment is as follows:
the upper joint 1, the first shell 3, the second shell 5 and the lower joint 8 form a supporting part, the inner screw, the outer screw, the rotating shaft 6, the connecting shaft 7 and the mushroom head 11 form a lifting angle screw rotation combination of a tool, the rotation combination drives the mushroom head 11 to rotate under the action of force, when the mushroom head 11 encounters an obstacle, the connecting shaft 7 is pushed to move backwards due to axial stress, and therefore the mushroom head 11 rotates under the combined action of the connecting shaft 7, the rotating shaft 6, the inner screw and the outer screw, obstacle substances pass through gaps of the tooth 1101 of the mushroom head 11, and the obstacle substances are avoided. The spring fixing ring 2, the reset spring 4 and the rotating shaft 6 form an elastic compression reset combination of the tool, the outer spiral and the inner spiral are matched to enable the rotating shaft 6 to push the mushroom head 11 to move outwards under the action of the elastic force of the reset spring 4, the resistance on the mushroom head 11 disappears, the rotating shaft 6 is restored to the initial position under the action of the reset spring 4, meanwhile, the rotating shaft 6 drives the connecting shaft 7 to rotate, the connecting shaft 7 drives the mushroom head 11 to rotate, and in the process of the tool going into a well, particularly when irregular well walls, steps and other foreign matters are encountered, the protruding meeting objects of the well walls entering the gap between the row teeth 1101 are crushed under the action of the pressure of the row teeth 1101 and the well walls, and the well walls are repaired.
Example two
The difference between this embodiment and the first embodiment is that the inner wall of the second housing 5 is provided with an inner spiral, and the outer side wall of the rotating shaft 6 is provided with an outer spiral matched with the second housing 5.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. A hindered self-rotation type bottom hole multi-branch production increasing tool guide shoe is characterized in that: the mushroom head (11) is circumferentially provided with row teeth (1101), a rotating part for enabling the rotating assembly to rotate is matched between the shell assembly and the rotating assembly, and a reset spring (4) is sleeved outside the rotating assembly;
the shell assembly comprises an upper joint (1), a first shell (3), a second shell (5) and a lower joint (8) which are connected in sequence in a threaded manner; the inner side wall of the first shell (3) is in running fit with the rotating assembly through the rotating part;
the rotating assembly comprises a rotating shaft (6) and a connecting shaft (7) which are sequentially connected in a threaded mode, and the rotating shaft (6); the connecting shaft (7) is in rotary fit with the first shell (3) through the rotating part;
the rotating part comprises an inner spiral and an outer spiral, and the inner spiral is matched with the outer spiral;
the lower joint (8) is provided with a fixing ring (10) close to the inner side wall of the mushroom head (11), and the fixing ring (10) is in threaded connection with the lower joint (8).
2. The hindered self-diverting downhole multi-branch stimulation tool guide shoe according to claim 1, wherein: the inner wall of the second shell (5) is provided with the inner spiral or the outer spiral.
3. The hindered self-diverting downhole multi-branch stimulation tool guide shoe according to claim 2, wherein: the outer side wall of the rotating shaft (6) is provided with an outer spiral or an inner spiral matched with the second housing (5), the rotating shaft (6) is of a ladder-shaped structure, the rotating shaft (6) is far away from the outer side of the connecting shaft (7) and sleeved with the reset spring (4), and the end part of the connecting shaft (7) far away from the rotating shaft (6) is fixedly connected with the mushroom head (11).
4. The hindered self-diverting downhole multi-branch stimulation tool guide shoe according to claim 1, wherein: a spring fixing ring (2) is arranged in one end, far away from the mushroom head (11), of the first shell (3), and the rotating shaft (6) is rotatably arranged in the spring fixing ring (2).
5. The hindered self-diverting downhole multi-branch stimulation tool guide shoe according to claim 1, wherein: the lower joint (8) is provided with a roller bearing (9) close to the fixed ring (10), and the connecting shaft (7) is rotatably connected with the shell assembly through the roller bearing (9).
6. The hindered self-diverting downhole multi-branch stimulation tool guide shoe according to claim 1, wherein: the row of teeth (1101) are protrusions arranged along the axial direction of the mushroom head (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006325.2A CN111963087B (en) | 2020-09-23 | 2020-09-23 | Hindered self-rotation type bottom hole multi-branch yield increasing tool guide shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006325.2A CN111963087B (en) | 2020-09-23 | 2020-09-23 | Hindered self-rotation type bottom hole multi-branch yield increasing tool guide shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111963087A CN111963087A (en) | 2020-11-20 |
| CN111963087B true CN111963087B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011006325.2A Active CN111963087B (en) | 2020-09-23 | 2020-09-23 | Hindered self-rotation type bottom hole multi-branch yield increasing tool guide shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111963087B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002129A (en) * | 1988-12-08 | 1991-03-26 | British Petroleum Co. P.L.C. | Removable guide post |
| CN105992860A (en) * | 2013-12-31 | 2016-10-05 | 哈里伯顿能源服务公司 | Control system for downhole casing milling system |
| CN207144856U (en) * | 2017-09-15 | 2018-03-27 | 长江大学 | A kind of full-bore casing guide |
| CN109653695A (en) * | 2019-02-19 | 2019-04-19 | 中科金佳（北京）油田技术开发有限公司 | Bearing assembly and tubing string for tubing string |
| CN209761371U (en) * | 2019-02-19 | 2019-12-10 | 中科金佳（北京）油田技术开发有限公司 | bearing assembly for tubular column and tubular column |
| CN212479133U (en) * | 2020-09-23 | 2021-02-05 | 重庆科技学院 | Guide shoe of hindered self-rotating shaft bottom multi-branch production increasing tool |
Family Cites Families (6)
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| US9732597B2 (en) * | 2014-07-30 | 2017-08-15 | Weatherford Technology Holdings, Llc | Telemetry operated expandable liner system |
| CN110984859B (en) * | 2019-11-15 | 2021-08-13 | 中国石油天然气集团有限公司 | Radial horizontal drilling and sand prevention well completion tool and method |
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2020
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|---|---|---|---|---|
| US5002129A (en) * | 1988-12-08 | 1991-03-26 | British Petroleum Co. P.L.C. | Removable guide post |
| CN105992860A (en) * | 2013-12-31 | 2016-10-05 | 哈里伯顿能源服务公司 | Control system for downhole casing milling system |
| CN207144856U (en) * | 2017-09-15 | 2018-03-27 | 长江大学 | A kind of full-bore casing guide |
| CN109653695A (en) * | 2019-02-19 | 2019-04-19 | 中科金佳（北京）油田技术开发有限公司 | Bearing assembly and tubing string for tubing string |
| CN209761371U (en) * | 2019-02-19 | 2019-12-10 | 中科金佳（北京）油田技术开发有限公司 | bearing assembly for tubular column and tubular column |
| CN212479133U (en) * | 2020-09-23 | 2021-02-05 | 重庆科技学院 | Guide shoe of hindered self-rotating shaft bottom multi-branch production increasing tool |
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| CN111963087A (en) | 2020-11-20 |
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