CN105422020B - Oil drilling sleeve wear-resistant connector - Google Patents
Oil drilling sleeve wear-resistant connector Download PDFInfo
- Publication number
- CN105422020B CN105422020B CN201510927810.6A CN201510927810A CN105422020B CN 105422020 B CN105422020 B CN 105422020B CN 201510927810 A CN201510927810 A CN 201510927810A CN 105422020 B CN105422020 B CN 105422020B
- Authority
- CN
- China
- Prior art keywords
- wear
- baffle ring
- sheath
- resistant connector
- sleeve
- 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.)
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- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 238000005461 lubrication Methods 0.000 claims abstract description 19
- 239000003082 abrasive agent Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
Oil drilling sleeve wear-resistant connector, including 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 are threaded, cylindrical middle part is sequentially arranged with upper baffle ring from top to bottom, anti-wear sheath, lower baffle ring, handled in the periphery of the corresponding position of dress anti-wear sheath through abrasionproof, anti-wear sheath is made up of anti-wear sheath wear body and anti-wear sheath core body two parts, anti-wear sheath is provided with the anti-wear sheath lubrication passage being uniformly distributed along the circumference, lower baffle ring is fixed in sleeve wear-resistant connector main body by lower baffle ring screw.Simple in construction, reliability is high, easy for operation, with low cost, and service life is long, application of the invention, reduces drilling risk and production cost.
Description
Technical field
The present invention relates to petroleum industry drilling tool wearing technic field, more particularly to oil drilling is connect with casing wear prevention
Head.
Background technology
In Process of Oil Well Drilling, drilling tool produces friction in well between sleeve pipe or the borehole wall, makes drilling torque and rubs
Resistance increase, can cause casing wear, in the case where boring deep-well, ultradeep well, horizontal well and extended reach well, drill string torque it is excessive and
Casing wear problem is especially protruded, and rubs for a long time, bit freezing, leakage, well head can be caused to alter the down-hole accidents such as oil gas, or even can not
Drilling.It is to prevent casing wear and reduction drilling torque the best way using the connection sleeve pipe abrasionproof pipe nipple in drilling tool.
Existing conventional cannula blast joint can realize its abrasionproof effect to sleeve pipe under conventional hole condition, but in grinding
Use requirement can not be met in the strong stratum of property and well bore situation complex environment, the anti-wear sheath of conventional cannula blast joint is resistance to
Poor performance is ground, and without anti-wear sheath lubrication passage, makes its abrasion quickly, anti-wear sheath easily takes off during lifting drill string
Fall, cause the generation of down-hole accident.
The content of the invention
In order to solve the problem of above is present, the invention provides a kind of oil drilling sleeve wear-resistant connector, sleeve pipe is prevented
Mill adapter body is a tubular, and two ends are threaded, and cylindrical two sections of diameters in middle part and bottom diminish successively, cylindrical middle part from
Top to bottm is sequentially arranged with upper baffle ring, anti-wear sheath, lower baffle ring, and lower baffle ring is fixed on sleeve wear-resistant connector master by lower baffle ring screw
On body.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 circumferentially equal
The anti-wear sheath lubrication passage of cloth.Simple in construction, reliability is high, easy for operation, with low cost, and service life is long,
The application of the present invention, reduces drilling risk and production cost.The purpose of the present invention is to provide a kind of oil for oil drilling
Casing for well drilling blast joint.
The present invention is achieved by the following technical solutions.
Oil drilling includes sleeve wear-resistant connector main body, upper baffle ring, anti-wear sheath, lower baffle ring spiral shell with sleeve wear-resistant connector
Nail, lower baffle ring.
Sleeve wear-resistant connector main body is a tubular, and two ends are threaded, and cylindrical two sections of diameters in middle part and bottom are successively
Diminish, two steps are formed on cylindrical, cylindrical middle part is sequentially arranged with upper baffle ring, anti-wear sheath, lower baffle ring from top to bottom, in dress
The periphery of the corresponding position of anti-wear sheath is handled through abrasionproof, and uniform radial direction screw thread is machined with the corresponding position for loading baffle ring
Blind hole, upper baffle ring is a tubular, and its top is cylindrical and bottom endoporus has chamfering, and its underpart inner bore chamfering is handled through abrasionproof, its
Endoporus interference fit is fixed as one with sleeve wear-resistant connector main body, is positioned by the step on top, and anti-wear sheath is a circular tube shaped,
Upper and lower ends are cylindrical chamfering, is engaged respectively with the bottom inner bore chamfering of upper baffle ring and the top inner bore chamfering of lower baffle ring, prevents
There is appropriate gap between mill sheath and upper baffle ring, sleeve wear-resistant connector main body, lower baffle ring, anti-wear sheath is provided with circumferentially equal
The anti-wear sheath lubrication passage of cloth, anti-wear sheath lubrication passage is located in anti-wear sheath wear body, its starting point and end
Point is respectively in top and bottom, and center section is on inwall, in being axially or helically distributed, and 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, triangle etc., and anti-wear sheath is resistance to by anti-wear sheath
Mill body and anti-wear sheath core body are combined as a whole, and anti-wear sheath core body is coated on inside it by anti-wear sheath wear body, anti-friction protecting
Set wear body is high-abrasive material, and high-abrasive material can select the composite wood such as polyurethane or polytetrafluoroethylene (PTFE), molybdenum disulfide, copper powder
Material, anti-wear sheath core body is a tubular, and its radial direction is provided with uniform hole, for increase and the combination of anti-wear sheath wear body
Power, anti-wear sheath is by mould molding, and lower baffle ring is a tubular, and its underpart is cylindrical and top endoporus has chamfering, its top endoporus
Chamfering is handled through abrasionproof, and its endoporus coordinates with sleeve wear-resistant connector body gap, and it is axially radially provided with circumferentially equal in middle part
The hole of cloth, is fixed as one by the lower baffle ring screw in hole and sleeve wear-resistant connector main body.
Oil drilling is threaded into drill string with sleeve wear-resistant connector by upper and lower ends, slurry channel connection is finished, can
To carry out normal drilling well, the operation such as make a trip.In Process of Oil Well Drilling, oil drilling sleeve wear-resistant connector exists drilling tool
Friction is produced between sleeve pipe or the borehole wall be converted into sleeve wear-resistant connector main body, upper baffle ring, lower baffle ring and anti-wear sheath in well
Between friction, due to anti-wear sheath wear body be high-abrasive material, and with anti-wear sheath coordinate sleeve wear-resistant connector main body, on
Baffle ring, the corresponding site of lower baffle ring are all handled through abrasionproof, and coefficient of friction greatly reduces drilling torque and frictional resistance, most less than 0.1
Limits reduce abrasion to sleeve pipe, are particularly suitable for use in deep-well, ultradeep well, horizontal well and extended reach well, thus avoid bit freezing,
Leakage, well head alter the generation of the down-hole accidents such as oil gas.
The present invention has advantages below：The anti-wear sheath of the oil drilling sleeve wear-resistant connector is provided with and is uniformly distributed along the circumference
Anti-wear sheath lubrication passage, anti-wear sheath lubrication passage be located at anti-wear sheath wear body on, its beginning and end
Respectively in top and bottom, center section carries out comprehensively lubricating and cooling down, anti-wear sheath wear body on inwall to attrition surface
For high-abrasive material, and coordinate with anti-wear sheath sleeve wear-resistant connector main body, upper baffle ring, the corresponding site of lower baffle ring is all through abrasionproof
Processing, coefficient of friction greatly reduces drilling torque and frictional resistance less than 0.1, the abrasion to sleeve pipe is reduced to greatest extent.Structure letter
Single, reliability is high, and easy for operation, with low cost, service life is long, and application of the invention reduces drilling risk and life
Produce cost.
Figure of description
Fig. 1：Oil drilling sleeve wear-resistant connector schematic diagram
Fig. 2：Anti-wear sheath enlarged diagram
Brief description of the drawings:1st, sleeve wear-resistant connector main body 2, upper baffle ring 3, anti-wear sheath 4, lower baffle ring screw 5, lower baffle ring
6th, anti-wear sheath wear body 7, anti-wear sheath core body 8, anti-wear sheath lubrication passage.
Embodiment
In conjunction with Figure of description Fig. 1, Fig. 2, the present invention will be further described.
Embodiment 1：
Oil drilling includes sleeve wear-resistant connector main body 1, upper baffle ring 2, anti-wear sheath 3, lower baffle ring with sleeve wear-resistant connector
Screw 4, lower baffle ring 5.
Sleeve wear-resistant connector main body 1 is a tubular, and two ends are threaded, and cylindrical two sections of diameters in middle part and bottom are successively
Diminish, two steps formed on cylindrical, cylindrical middle part is sequentially arranged with upper baffle ring 2, anti-wear sheath 3, lower baffle ring 5 from top to bottom,
Handled in the periphery of the corresponding position of dress anti-wear sheath 3 through abrasionproof, uniform footpath is machined with the corresponding position for loading baffle ring 5
To tapped blind hole, upper baffle ring 2 is a tubular, and its top is cylindrical and bottom endoporus has chamfering, and its underpart inner bore chamfering is through abrasionproof
Processing, its endoporus interference fit is fixed as one with sleeve wear-resistant connector main body 1, is positioned by the step on top, anti-wear sheath 3 is
One circular tube shaped, upper and lower ends are cylindrical chamfering, is fallen respectively with the bottom inner bore chamfering of upper baffle ring 2 and the top endoporus of lower baffle ring 5
Angle is engaged, and has appropriate gap, anti-friction protecting between anti-wear sheath 3 and upper baffle ring 2, sleeve wear-resistant connector main body 1, lower baffle ring 5
Set 3 is located at anti-friction protecting provided with 6 anti-wear sheath lubrication passages 8 being uniformly distributed along the circumference, anti-wear sheath lubrication passage 8
Cover in wear body 6, its beginning and end is respectively in top and bottom, and center section is distributed on inwall in right-hand screw, its spiral
Lift angle is 30 °, and its cross sectional shape is semicircle, and anti-wear sheath 3 is combined into by anti-wear sheath wear body 6 and anti-wear sheath core body 7
Anti-wear sheath core body 7 is coated on inside it by one, anti-wear sheath wear body 6, and anti-wear sheath wear body 6 is high-abrasive material ---
Polyurethane, anti-wear sheath core body 7 is a tubular, and its radial direction is provided with uniform hole, for increasing and anti-wear sheath wear body 6
Adhesion, anti-wear sheath 3 is by mould molding, and lower baffle ring 5 is a tubular, and its underpart is cylindrical and top endoporus has chamfering, thereon
Portion's inner bore chamfering is handled through abrasionproof, and its endoporus coordinates with sleeve wear-resistant connector body gap, and it is axially radially provided with edge in middle part
The hole of circumference uniform distribution, is fixed as one by the lower baffle ring screw 4 in hole and sleeve wear-resistant connector main body.
Embodiment 2：
From unlike a kind of example above, anti-wear sheath 3 is provided with 8 anti-wear sheath lubrications being uniformly distributed along the circumference
Passage 8, the center section of anti-wear sheath lubrication passage 8 is distributed on inwall in right-hand screw, and its lead angle is 70 °, its section
Face is shaped as rectangle, and anti-wear sheath wear body 6 is high-abrasive material --- polytetrafluoroethylene (PTFE), molybdenum disulfide, copper powder etc. are composited.
Embodiment 3：
From unlike both above example, anti-wear sheath 3 is provided with 4 anti-wear sheath lubrications being uniformly distributed along the circumference
Passage 8, the center section of anti-wear sheath lubrication passage 8 is distributed on inwall in left-hand screw, and its lead angle is 60 °, its section
Face is shaped as triangle.
Embodiment 4：
From unlike three kinds of examples above, anti-wear sheath 3 is provided with 5 anti-wear sheath lubrications being uniformly distributed along the circumference
Passage 8, the center section of anti-wear sheath lubrication passage 8 is on inwall, in left axle to distribution.
By the description to the various embodiments described above, contribute to public's the understanding of the present invention, protection scope of the present invention is not
It is limited to various embodiments above, any conversion to each component feature of the invention or overall structure form rather than substantive content should all be regarded
For technical scheme.
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-friction protecting
Set（3）, lower baffle ring screw（4）, lower baffle ring（5）, sleeve wear-resistant connector main body（1）For a tubular, two ends are threaded, outside
Circle middle part and two sections of bottom diameter diminish successively, two steps are formed on cylindrical, cylindrical middle part is sequentially arranged with from top to bottom
Baffle ring（2）, anti-wear sheath（3）, lower baffle ring（5）, in dress anti-wear sheath（3）The periphery of corresponding position handled through abrasionproof,
Load baffle ring（5）Corresponding position be machined with uniform radial direction tapped blind hole, upper baffle ring（2）For a tubular, its top is cylindrical
There is chamfering with bottom endoporus, its underpart inner bore chamfering is handled through abrasionproof, its endoporus interference fit and sleeve wear-resistant connector main body（1）
It is fixed as one, anti-wear sheath（3）For a circular tube shaped, upper and lower ends are cylindrical chamfering, respectively with upper baffle ring（2）Bottom endoporus
Chamfering and lower baffle ring（5）Top inner bore chamfering be engaged, anti-wear sheath（3）With upper baffle ring（2）, sleeve wear-resistant connector main body
（1）, lower baffle ring（5）Between have gap, anti-wear sheath（3）Provided with the anti-wear sheath lubrication passage being uniformly distributed along the circumference
（8）, anti-wear sheath lubrication passage（8）Positioned at anti-wear sheath wear body（6）On, its beginning and end is respectively in upper end with
End, center section is on inwall, anti-wear sheath（3）By anti-wear sheath wear body（6）With anti-wear sheath core body（7）It is combined into one
Body, lower baffle ring（5）For a tubular, its underpart is cylindrical and top endoporus has chamfering, and its top inner bore chamfering is handled through abrasionproof, its
Endoporus and sleeve wear-resistant connector main body（1）Gap coordinates, and axially middle part is radially provided with the hole being uniformly distributed along the circumference for it, by hole
Lower baffle ring screw（4）With sleeve wear-resistant connector main body（1）It is fixed as one.
2. oil drilling sleeve wear-resistant connector according to claim 1, it is characterized in that anti-wear sheath lubrication passage
（8）Distribution of the center section on inwall is in being axially or helically distributed, and the hand of spiral has left-handed and dextrorotation, its lead angle from
10 ° to 90 °, 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 wear body（6）Will
Anti-wear sheath core body（7）It is coated on inside it, anti-wear sheath wear body（6）For high-abrasive material, high-abrasive material is by polyurethane or poly-
Tetrafluoroethene, molybdenum disulfide, copper powder composition, anti-wear sheath core body（7）For a tubular, its radial direction is provided with uniform hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510927810.6A CN105422020B (en) | 2015-12-15 | 2015-12-15 | Oil drilling sleeve wear-resistant connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510927810.6A CN105422020B (en) | 2015-12-15 | 2015-12-15 | Oil drilling sleeve wear-resistant connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105422020A CN105422020A (en) | 2016-03-23 |
| CN105422020B true CN105422020B (en) | 2017-07-21 |
Family
ID=55500515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510927810.6A Active CN105422020B (en) | 2015-12-15 | 2015-12-15 | Oil drilling sleeve wear-resistant connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422020B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761546A (en) * | 2021-02-04 | 2021-05-07 | 西南石油大学 | Drag-reducing and wear-resisting drill string protector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339448Y (en) * | 2009-01-13 | 2009-11-04 | 西南石油大学 | Rubber-type casing wear prevention tool |
| CN201351460Y (en) * | 2009-01-19 | 2009-11-25 | 牡丹江石油工具有限责任公司 | Sleeve wear-resistant connector |
| CN204139964U (en) * | 2014-09-28 | 2015-02-04 | 扬州天业石油机械有限公司 | A kind of screw drill transmission shaft assembly |
| CN204344622U (en) * | 2014-12-26 | 2015-05-20 | 温州市胜隆标准件制造有限公司 | Cooling and lubricating tapping screw |
| CN204457487U (en) * | 2015-02-13 | 2015-07-08 | 陆威延 | A kind of geological resource reconnoitres well casing ball-type rigidity erection device |
| CN205330563U (en) * | 2015-12-15 | 2016-06-22 | 东营市创元石油机械制造有限公司 | Sleeve pipe abrasionproof connects for oil drilling |
-
2015
- 2015-12-15 CN CN201510927810.6A patent/CN105422020B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339448Y (en) * | 2009-01-13 | 2009-11-04 | 西南石油大学 | Rubber-type casing wear prevention tool |
| CN201351460Y (en) * | 2009-01-19 | 2009-11-25 | 牡丹江石油工具有限责任公司 | Sleeve wear-resistant connector |
| CN204139964U (en) * | 2014-09-28 | 2015-02-04 | 扬州天业石油机械有限公司 | A kind of screw drill transmission shaft assembly |
| CN204344622U (en) * | 2014-12-26 | 2015-05-20 | 温州市胜隆标准件制造有限公司 | Cooling and lubricating tapping screw |
| CN204457487U (en) * | 2015-02-13 | 2015-07-08 | 陆威延 | A kind of geological resource reconnoitres well casing ball-type rigidity erection device |
| CN205330563U (en) * | 2015-12-15 | 2016-06-22 | 东营市创元石油机械制造有限公司 | Sleeve pipe abrasionproof connects for oil drilling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105422020A (en) | 2016-03-23 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Tianqian Inventor after: Zhu Huaijun Inventor after: Wu Dongfeng Inventor after: Liu Chao Inventor after: Tian Xianglu Inventor after: Meng Yi Inventor before: Wu Tianqian Inventor before: Zhu Huaijun Inventor before: Tian Xianglu |
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| CB03 | Change of inventor or designer information | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Sleeve blast joint for petroleum drilling Effective date of registration: 20190612 Granted publication date: 20170721 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Pledgor: DONGYING NERA PETROLEUM MECHANICAL MANUFACTURING CO.,LTD. Registration number: 2019990000561 |
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Date of cancellation: 20200616 Granted publication date: 20170721 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Pledgor: DONGYING NERA PETROLEUM MECHANICAL MANUFACTURING Co.,Ltd. Registration number: 2019990000561 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Anti wear joint of casing for oil drilling Effective date of registration: 20221026 Granted publication date: 20170721 Pledgee: Dongying Branch of Bank of Communications Ltd. Pledgor: DONGYING NERA PETROLEUM MECHANICAL MANUFACTURING CO.,LTD. Registration number: Y2022980019504 |
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Date of cancellation: 20231026 Granted publication date: 20170721 Pledgee: Dongying Branch of Bank of Communications Ltd. Pledgor: DONGYING NERA PETROLEUM MECHANICAL MANUFACTURING CO.,LTD. Registration number: Y2022980019504 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Casing anti wear joints for petroleum drilling Effective date of registration: 20231030 Granted publication date: 20170721 Pledgee: Dongying Branch of Bank of Communications Ltd. Pledgor: DONGYING NERA PETROLEUM MECHANICAL MANUFACTURING CO.,LTD. Registration number: Y2023980063169 |
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