CN205330563U - Sleeve pipe abrasionproof connects for oil drilling - Google Patents
Sleeve pipe abrasionproof connects for oil drilling Download PDFInfo
- Publication number
- CN205330563U CN205330563U CN201521037868.5U CN201521037868U CN205330563U CN 205330563 U CN205330563 U CN 205330563U CN 201521037868 U CN201521037868 U CN 201521037868U CN 205330563 U CN205330563 U CN 205330563U
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- CN
- China
- Prior art keywords
- wear
- sheath
- baffle ring
- abrasionproof
- sleeve
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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.)
- Withdrawn - After Issue
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Abstract
Sleeve pipe abrasionproof connects for oil drilling, connect the main part including the sleeve pipe abrasionproof, go up and keep off the ring, the abrasionproof sheath, keep off the ring screw down, keep off the ring down, the sleeve pipe abrasionproof connects the main part and is pipe shape, both ends processing is threaded, excircle middle part from the top down is equipped with in proper order and keeps off the ring, the abrasionproof sheath, keep off the ring down, outer disc at the corresponding position of dress abrasionproof sheath is handled through the abrasionproof, the abrasionproof sheath comprises the wear -resisting body of abrasionproof sheath and abrasionproof sheath core two parts, be equipped with on the abrasionproof sheath along the abrasionproof sheath lubrication and cooling passageway of circumference equipartition, keep off the ring down through keeping off the ring fix with screw down on the sleeve pipe abrasionproof connects the main part. Simple structure, reliability height, operation convenient to use, low cost, long service life, the utility model discloses an use, reduced well drilling risk and manufacturing cost.
Description
Technical field
This utility model relates to petroleum industry drilling tool wearing technic field, particularly to oil drilling sleeve wear-resistant connector。
Background technology
In Process of Oil Well Drilling, drilling tool produces friction in well and between sleeve pipe or the borehole wall, drilling torque and frictional resistance is made to increase, casing wear can be caused, when boring deep-well, ultradeep well, horizontal well and extended reach well, drill string torque is excessive and casing wear problem is especially prominent, rubs for a long time, bit freezing, leakage, well head can be caused to alter the down-hole accidents such as oil gas, even cannot creep into。Adopt in drilling tool, connect casing wear prevention pipe nipple, be prevent casing wear and reduce drilling torque the best way。
Existing conventional cannula blast joint can realize its abrasionproof effect to sleeve pipe under conventional hole condition, but instructions for use can not be met in the strong stratum of abrasiveness and well bore situation complex environment, the anti-wear sheath anti-wear performance of conventional cannula blast joint is poor, and there is no anti-wear sheath lubrication passage, it is made to wear and tear quickly, anti-wear sheath easily comes off in lift drill string process, causes the generation of down-hole accident。
Utility model content
In order to solve above Problems existing, this utility model provides a kind of oil drilling sleeve wear-resistant connector, sleeve wear-resistant connector main body is a tubular, two ends processing has screw thread, diminish successively with two sections, bottom diameter in the middle part of cylindrical, being sequentially arranged with upper baffle ring, anti-wear sheath, lower baffle ring in the middle part of cylindrical from top to bottom, lower baffle ring is fixed in sleeve wear-resistant connector main body by lower baffle ring screw。Anti-wear sheath is made up of anti-wear sheath wear body and anti-wear sheath core body two parts, and anti-wear sheath is provided with the anti-wear sheath lubrication passage being uniformly distributed along the circumference。Simple in construction, reliability are high, easy for operation, with low cost, long service life, and application of the present utility model reduces drilling well risk and production cost。The purpose of this utility model is to provide a kind of oil drilling sleeve wear-resistant connector for oil drilling。
This utility model is achieved through the following technical solutions。
Oil drilling sleeve wear-resistant connector includes sleeve wear-resistant connector main body, upper baffle ring, anti-wear sheath, lower baffle ring screw, lower baffle ring。
Sleeve wear-resistant connector main body is a tubular, two ends processing has screw thread, diminish successively with two sections, bottom diameter in the middle part of cylindrical, cylindrical is formed two steps, upper baffle ring it is sequentially arranged with from top to bottom in the middle part of cylindrical, anti-wear sheath, lower baffle ring, periphery at the corresponding position of dress anti-wear sheath processes through abrasionproof, process at the corresponding position loading baffle ring and have uniform radial direction tapped blind hole, upper baffle ring is a tubular, its top cylindrical and bottom endoporus have chamfering, its underpart inner bore chamfering processes through abrasionproof, its endoporus interference fit and sleeve wear-resistant connector main body are fixed as one, positioned by the step on top, anti-wear sheath is a circular tube shaped, upper and lower two ends cylindrical has chamfering, match with the bottom inner bore chamfering of upper baffle ring and the top inner bore chamfering of lower baffle ring respectively, anti-wear sheath and upper baffle ring, sleeve wear-resistant connector main body, appropriate gap is had between lower baffle ring, anti-wear sheath is provided with the anti-wear sheath lubrication passage being uniformly distributed along the circumference, anti-wear sheath lubrication passage is positioned in anti-wear sheath wear body, its beginning and end is respectively in top and bottom, mid portion is on inwall, in being axially or helically distributed, the hand of spiral has left-handed and dextrorotation, its lead angle is from 10 ° to 90 ° not etc., its cross sectional shape has semicircle, rectangle, triangle etc., anti-wear sheath is combined as a whole by anti-wear sheath wear body and anti-wear sheath core body, anti-wear sheath core body is coated with therein by anti-wear sheath wear body, anti-wear sheath wear body is high-abrasive material, high-abrasive material can select polyurethane or politef, molybdenum bisuphide, the composites such as copper powder, anti-wear sheath core body is a tubular, it radially has uniform hole, for increasing and the adhesion of anti-wear sheath wear body, anti-wear sheath is by mould molding, lower baffle ring is a tubular, its underpart cylindrical and top endoporus have chamfering, its top inner bore chamfering processes through abrasionproof, its endoporus coordinates with sleeve wear-resistant connector body gap, it is axially radially provided with the hole being uniformly distributed along the circumference in middle part, it is fixed as one by the lower baffle ring screw in hole and sleeve wear-resistant connector main body。
By upper and lower two ends, oil drilling sleeve wear-resistant connector is threaded into drill string, and slurry channel connection is complete, it is possible to the operation such as carry out normal drilling well, make a trip。In Process of Oil Well Drilling, drilling tool is produced friction and is converted into sleeve wear-resistant connector main body by oil drilling sleeve wear-resistant connector in well and between sleeve pipe or the borehole wall, upper baffle ring, friction between lower baffle ring and anti-wear sheath, owing to anti-wear sheath wear body is high-abrasive material, and the sleeve wear-resistant connector main body coordinated with anti-wear sheath, upper baffle ring, the corresponding site of lower baffle ring all processes through abrasionproof, coefficient of friction is less than 0.1, drilling torque and frictional resistance is made to be greatly reduced, reduce the abrasion to sleeve pipe to greatest extent, it is particularly well-suited to deep-well, ultradeep well, horizontal well and extended reach well, thus avoiding bit freezing, leakage, well head alters the generation of the down-hole accidents such as oil gas。
This utility model has the advantage that the anti-wear sheath of this oil drilling sleeve wear-resistant connector is provided with the anti-wear sheath lubrication passage being uniformly distributed along the circumference, anti-wear sheath lubrication passage is positioned in anti-wear sheath wear body, its beginning and end is respectively in top and bottom, mid portion is on inwall, attrition surface is carried out comprehensively lubrication and cooling, anti-wear sheath wear body is high-abrasive material, and the sleeve wear-resistant connector main body coordinated with anti-wear sheath, upper baffle ring, the corresponding site of lower baffle ring all processes through abrasionproof, coefficient of friction is less than 0.1, drilling torque and frictional resistance is made to be greatly reduced, reduce the abrasion to sleeve pipe to greatest extent。Simple in construction, reliability are high, easy for operation, with low cost, long service life, and application of the present utility model reduces drilling well risk and production cost。
Accompanying drawing explanation
Fig. 1: oil drilling sleeve wear-resistant connector schematic diagram
Fig. 2: anti-wear sheath enlarged diagram
Accompanying drawing illustrate: 1, sleeve wear-resistant connector main body 2, upper baffle ring 3, anti-wear sheath 4, lower baffle ring screw 5, lower baffle ring 6, anti-wear sheath wear body 7, anti-wear sheath core body 8, anti-wear sheath lubrication passage。
Detailed description of the invention
In conjunction with Figure of description Fig. 1, Fig. 2, this utility model is further described。
Embodiment 1:
Oil drilling sleeve wear-resistant connector includes sleeve wear-resistant connector main body 1, upper baffle ring 2, anti-wear sheath 3, lower baffle ring screw 4, lower baffle ring 5。
Sleeve wear-resistant connector main body 1 is a tubular, two ends processing has screw thread, diminish successively with two sections, bottom diameter in the middle part of cylindrical, cylindrical is formed two steps, upper baffle ring 2 it is sequentially arranged with from top to bottom in the middle part of cylindrical, anti-wear sheath 3, lower baffle ring 5, periphery at the corresponding position of dress anti-wear sheath 3 processes through abrasionproof, process at the corresponding position loading baffle ring 5 and have uniform radial direction tapped blind hole, upper baffle ring 2 is a tubular, its top cylindrical and bottom endoporus have chamfering, its underpart inner bore chamfering processes through abrasionproof, its endoporus interference fit and sleeve wear-resistant connector main body 1 are fixed as one, positioned by the step on top, anti-wear sheath 3 is a circular tube shaped, upper and lower two ends cylindrical has chamfering, match with the bottom inner bore chamfering of upper baffle ring 2 and the top inner bore chamfering of lower baffle ring 5 respectively, anti-wear sheath 3 and upper baffle ring 2, sleeve wear-resistant connector main body 1, appropriate gap is had between lower baffle ring 5, anti-wear sheath 3 is provided with 6 the anti-wear sheath lubrication passages 8 being uniformly distributed along the circumference, anti-wear sheath lubrication passage 8 is positioned in anti-wear sheath wear body 6, its beginning and end is respectively in top and bottom, mid portion is on inwall, it is distributed in right-hand screw, its lead angle is 30 °, its cross sectional shape is semicircle, anti-wear sheath 3 is combined as a whole by anti-wear sheath wear body 6 and anti-wear sheath core body 7, anti-wear sheath core body 7 is coated with therein by anti-wear sheath wear body 6, anti-wear sheath wear body 6 is high-abrasive material polyurethane, anti-wear sheath core body 7 is a tubular, it radially has uniform hole, for increasing and the adhesion of anti-wear sheath wear body 6, anti-wear sheath 3 is by mould molding, lower baffle ring 5 is a tubular, its underpart cylindrical and top endoporus have chamfering, its top inner bore chamfering processes through abrasionproof, its endoporus coordinates with sleeve wear-resistant connector body gap, it is axially radially provided with the hole being uniformly distributed along the circumference in middle part, it is fixed as one with sleeve wear-resistant connector main body by the lower baffle ring screw 4 in hole。
Embodiment 2:
With a kind of example above the difference is that, anti-wear sheath 3 is provided with 8 the anti-wear sheath lubrication passages 8 being uniformly distributed along the circumference, anti-wear sheath lubrication passage 8 mid portion is on inwall, it is distributed in right-hand screw, its lead angle is 70 °, its cross sectional shape is rectangle, and anti-wear sheath wear body 6 is composited for high-abrasive material politef, molybdenum bisuphide, copper powder etc.。
Embodiment 3:
With both above example the difference is that, anti-wear sheath 3 is provided with 4 the anti-wear sheath lubrication passages 8 being uniformly distributed along the circumference, and anti-wear sheath lubrication passage 8 mid portion, on inwall, is distributed in left-hand screw, its lead angle is 60 °, and its cross sectional shape is triangle。
Embodiment 4:
With above three kinds of examples the difference is that, anti-wear sheath 3 is provided with 5 the anti-wear sheath lubrication passages 8 being uniformly distributed along the circumference, and anti-wear sheath lubrication passage 8 mid portion is on inwall, in left axial distribution。
By the description to the various embodiments described above; contribute to the public to understanding of the present utility model; protection domain of the present utility model is not limited to various embodiments above, any to each component feature of this utility model or overall structure form but not the conversion of flesh and blood is regarded as the technical solution of the utility model。
Claims (3)
1. oil drilling sleeve wear-resistant connector, it is characterized in that including sleeve wear-resistant connector main body (1), upper baffle ring (2), anti-wear sheath (3), lower baffle ring screw (4), lower baffle ring (5), sleeve wear-resistant connector main body (1) is a tubular, two ends processing has screw thread, diminish successively with two sections, bottom diameter in the middle part of cylindrical, cylindrical is formed two steps, upper baffle ring (2) it is sequentially arranged with from top to bottom in the middle part of cylindrical, anti-wear sheath (3), lower baffle ring (5), periphery at the corresponding position of dress anti-wear sheath (3) processes through abrasionproof, process at the corresponding position loading baffle ring (5) and have uniform radial direction tapped blind hole, upper baffle ring (2) is a tubular, its top cylindrical and bottom endoporus have chamfering, its underpart inner bore chamfering processes through abrasionproof, its endoporus interference fit and sleeve wear-resistant connector main body (1) are fixed as one, anti-wear sheath (3) is a circular tube shaped, upper and lower two ends cylindrical has chamfering, match with the top inner bore chamfering of the bottom inner bore chamfering of upper baffle ring (2) and lower baffle ring (5) respectively, anti-wear sheath (3) and upper baffle ring (2), sleeve wear-resistant connector main body (1), lower baffle ring has gap between (5), anti-wear sheath (3) is provided with anti-wear sheath lubrication passage (8) being uniformly distributed along the circumference, anti-wear sheath lubrication passage (8) is positioned in anti-wear sheath wear body (6), its beginning and end is respectively in top and bottom, mid portion is on inwall, anti-wear sheath (3) is combined as a whole by anti-wear sheath wear body (6) and anti-wear sheath core body (7), lower baffle ring (5) is a tubular, its underpart cylindrical and top endoporus have chamfering, its top inner bore chamfering processes through abrasionproof, its endoporus and sleeve wear-resistant connector main body (1) matched in clearance, it is axially radially provided with the hole being uniformly distributed along the circumference in middle part, it is fixed as one by the lower baffle ring screw (4) in hole and sleeve wear-resistant connector main body (1)。
2. oil drilling sleeve wear-resistant connector according to claim 1, it is characterized in that the distribution on inwall of anti-wear sheath lubrication passage (8) mid portion is in being axially or helically distributed, the hand of spiral has left-handed and dextrorotation, its lead angle is from 10 ° to 90 °, and its cross sectional shape has semicircle, rectangle or triangle。
3. oil drilling sleeve wear-resistant connector according to claim 1, it is characterized in that, anti-wear sheath core body (7) is coated with therein by anti-wear sheath wear body (6), anti-wear sheath wear body (6) is high-abrasive material, high-abrasive material is made up of polyurethane or politef, molybdenum bisuphide, copper powder, anti-wear sheath core body (7) is a tubular, and it radially has uniform hole。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037868.5U CN205330563U (en) | 2015-12-15 | 2015-12-15 | Sleeve pipe abrasionproof connects for oil drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037868.5U CN205330563U (en) | 2015-12-15 | 2015-12-15 | Sleeve pipe abrasionproof connects for oil drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205330563U true CN205330563U (en) | 2016-06-22 |
Family
ID=56212905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521037868.5U Withdrawn - After Issue CN205330563U (en) | 2015-12-15 | 2015-12-15 | Sleeve pipe abrasionproof connects for oil drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205330563U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422020A (en) * | 2015-12-15 | 2016-03-23 | 东营市创元石油机械制造有限公司 | Sleeve blast joint for petroleum drilling |
| CN108222856A (en) * | 2016-12-12 | 2018-06-29 | 四川煜天石油机械设备有限公司 | Wear-resisting rotary centralizer |
-
2015
- 2015-12-15 CN CN201521037868.5U patent/CN205330563U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422020A (en) * | 2015-12-15 | 2016-03-23 | 东营市创元石油机械制造有限公司 | Sleeve blast joint for petroleum drilling |
| CN105422020B (en) * | 2015-12-15 | 2017-07-21 | 东营市创元石油机械制造有限公司 | Oil drilling sleeve wear-resistant connector |
| CN108222856A (en) * | 2016-12-12 | 2018-06-29 | 四川煜天石油机械设备有限公司 | Wear-resisting rotary centralizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20170721 |