CN204371124U - Drilling well drag reduction falls turns round stabilizer - Google Patents
Drilling well drag reduction falls turns round stabilizer Download PDFInfo
- Publication number
- CN204371124U CN204371124U CN201420693448.1U CN201420693448U CN204371124U CN 204371124 U CN204371124 U CN 204371124U CN 201420693448 U CN201420693448 U CN 201420693448U CN 204371124 U CN204371124 U CN 204371124U
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- drilling
- well
- rib body
- drag reduction
- drilling well
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Abstract
The utility model discloses a kind of drilling well drag reduction and falls and turn round stabilizer, belongs to the industry downhole tool technical fields such as oil and gas well drilling, CBM Drilling, geological prospecting, mine probing.This drilling well drag reduction falls to be turned round stabilizer and comprises central axis and stable rib body, stablizes rib body and is provided with guiding gutter, the rib body of stable rib body is provided with rotary grinding device.The utility model is by rotary grinding device, it rotates to utilize frictional force drives, effectively can reduce the drag and torque between drilling tool and the borehole wall and rig load, avoid generation and the drilling well risk of the down hole problem that down-hole equipment ruptures or damage accident causes, improve the drilling efficiency of deep-well, ultradeep well, complex structural well etc.
Description
Technical field
The utility model discloses a kind of drilling well drag reduction and falls and turn round stabilizer, belongs to the industry downhole tool technical fields such as oil and gas well drilling, CBM Drilling, geological prospecting, mine probing.
Background technology
Drilling well stabilizer is one of indispensable component in drilling assembly.The structure of existing stabilizer is mainly divided into straightedge type and two kinds, scroll type, what the application of current scene was more is scroll type stabilizer, comprise central axis and stable rib body, stablize rib body to install on center shaft, stablize on rib body and have guiding gutter, the upper surface stablizing rib body is fixedly inlaid with anti-roll flute.In drilling process, no matter be slide drilling or rotary drilling, friction between scroll stabilizer and the borehole wall is sliding friction, when constructing in deep-well, ultradeep well, deep layer complex structural well, its frictional resistance is large, easily occur that rig load increases, down-hole equipment ruptures or the problem of damage, form down-hole complex accident.
Summary of the invention
The purpose of this utility model be in order to overcome drilling tool frictional resistance that above-mentioned prior art exists, moment of torsion is large, easily there is the defect of down-hole complex accident and drilling well risk, provide a kind of drilling well drag reduction to fall and turn round stabilizer.
The utility model comprises central axis and stable rib body, stablizes rib body and is provided with guiding gutter, and the rib body of stable rib body is provided with rotary grinding device.
Described rotary grinding device comprises pedestal, bearing, anti-roll flute and rotary body, and pedestal is " recessed " character form structure, is fixedly mounted on stable rib body; Rotary body is arranged in " recessed " groove of pedestal by bearing.
Described stable rib body is straightedge shape, tiltedly straightedge shape or spiral prismatic.
The external surface of described rotary body inlays anti-roll flute.
The utility model is by rotary grinding device, it rotates to utilize frictional force drives, effectively can reduce the frictional resistance between drilling tool and the borehole wall, moment of torsion and rig load, avoid generation and the drilling well risk of the down hole problem that down-hole equipment ruptures or damage accident causes, improve the drilling efficiency of deep-well, ultradeep well, complex structural well etc.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 be in the utility model Fig. 1 A ?A schematic cross-section.
Detailed description of the invention
The utility model is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises central axis 1 and stable rib body 2, stablizes rib body 2 and is provided with guiding gutter 3, and the rib body of stable rib body 2 is provided with rotary grinding device 4.
As shown in Figure 2, rotary grinding device 4 comprises pedestal 41, bearing 42, anti-roll flute 43 and rotary body 44, and pedestal 41 is " recessed " character form structure, is fixedly mounted on stable rib body 2; Rotary body 44 is arranged in " recessed " groove of pedestal 41 by bearing 42, the external surface of rotary body 44 is inlayed anti-roll flute 43.
Described stable rib body 2 is straightedge shape, tiltedly straightedge shape or spiral prismatic.
Drilling well drag reduction falls to be turned round stabilizer and is arranged in drill string according to technical requirements, along with drill string enters well, when drag reduction fall turn round rotary grinding device in stabilizer 4 with the borehole wall contact friction time, rotary grinding device 4 rotates around bearing 42, change the single sliding friction mode between stable rib body and the borehole wall into rolling friction mode, thus reduce drilling tool frictional resistance and drilling tool moment of torsion, realize low energy consumption, high efficiency drilling well object.On-the-spot application result shows, the utility model is compared with scroll type stabilizer, and drilling efficiency on average improves 56%, save drilling period 6 ?8 days.
Claims (4)
1. drilling well drag reduction falls and turns round stabilizer, comprise central axis (1) and stable rib body (2), stablize rib body (2) and be provided with guiding gutter (3), it is characterized in that: on the rib body of stable rib body (2), rotary grinding device (4) is installed.
2. drilling well drag reduction according to claim 1 falls and turns round stabilizer, it is characterized in that: rotary grinding device (4) comprises pedestal (41), bearing (42), anti-roll flute (43) and rotary body (44), pedestal (41) is " recessed " character form structure, is fixedly mounted on stable rib body (2); Rotary body (44) is arranged in " recessed " groove of pedestal (41) by bearing (42).
3. drilling well drag reduction according to claim 1 and 2 falls and turns round stabilizer, it is characterized in that: stablize that rib body (2) is straightedge shape, tiltedly straightedge shape or spiral prismatic.
4. drilling well drag reduction according to claim 1 falls and turns round stabilizer, it is characterized in that: the external surface of rotary body (44) is inlayed anti-roll flute (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693448.1U CN204371124U (en) | 2014-11-18 | 2014-11-18 | Drilling well drag reduction falls turns round stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693448.1U CN204371124U (en) | 2014-11-18 | 2014-11-18 | Drilling well drag reduction falls turns round stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371124U true CN204371124U (en) | 2015-06-03 |
Family
ID=53327353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420693448.1U Expired - Fee Related CN204371124U (en) | 2014-11-18 | 2014-11-18 | Drilling well drag reduction falls turns round stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204371124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965276A (en) * | 2016-10-20 | 2018-04-27 | 中国石油化工股份有限公司 | Stabilizer |
| CN108035682A (en) * | 2017-12-19 | 2018-05-15 | 北京中煤矿山工程有限公司 | A kind of widened drill bit structure of advanced guide hole of shaft with large angle of inclination |
-
2014
- 2014-11-18 CN CN201420693448.1U patent/CN204371124U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965276A (en) * | 2016-10-20 | 2018-04-27 | 中国石油化工股份有限公司 | Stabilizer |
| CN108035682A (en) * | 2017-12-19 | 2018-05-15 | 北京中煤矿山工程有限公司 | A kind of widened drill bit structure of advanced guide hole of shaft with large angle of inclination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20191118 |