CN113153172B - Full spray welding high temperature resistant anticorrosion sucker rod - Google Patents
Full spray welding high temperature resistant anticorrosion sucker rod Download PDFInfo
- Publication number
- CN113153172B CN113153172B CN202110304225.6A CN202110304225A CN113153172B CN 113153172 B CN113153172 B CN 113153172B CN 202110304225 A CN202110304225 A CN 202110304225A CN 113153172 B CN113153172 B CN 113153172B
- Authority
- CN
- China
- Prior art keywords
- block
- clamping
- bolt
- limiting block
- connector
- 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.)
- Active
Links
- 239000007921 spray Substances 0.000 title claims abstract description 16
- 238000003466 welding Methods 0.000 title claims abstract description 13
- 238000005260 corrosion Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract 4
- 230000007797 corrosion Effects 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 2
- 239000011324 bead Substances 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000725 suspension Substances 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a full spray welding high-temperature-resistant anti-corrosion sucker rod, which comprises an external threaded joint, a bolt, a ball and a nut, wherein one end of the external threaded joint is connected with a push surface shoulder, one end of the push surface shoulder is connected with a wrench square diameter, one end of the wrench square diameter is connected with a rod body, one end of the rod body is connected with a connector, the surface of the push surface shoulder is connected with a clamping block, the surface of the rod body is sleeved with a clamping block, and the inside of the clamping block is connected with a rotating shaft in a penetrating manner. The clamping bolt of the full spray welding high-temperature-resistant anti-corrosion sucker rod is rotationally connected with the connecting block through the connecting shaft, and the limiting block and the clamping bolt are in sliding connection, the external threaded joint is rotated into the connector, the clamping bolt is clamped into the clamping block through rotating the clamping bolt, the limiting block is slid, the limiting block is clamped with the arc-shaped groove of the clamping block, the limiting block is limited by the rotating nut, and the connecting part between the products can be stressed and dispersed, so that the purpose of preventing breakage is achieved.
Description
Technical Field
The invention relates to the technical field of sucker rods, in particular to a full spray welding high-temperature-resistant anti-corrosion sucker rod.
Background
The high temperature resistant anticorrosive sucker rod is one important part of sucker rod pumping equipment, and has the features of high temperature resistance, corrosion resistance, etc. the sucker rod is connected via coupling to form sucker rod plunger, the upper part is connected to pumping unit via polished rod, the lower part is connected to the sucker rod plunger, and the sucker rod is connected to one part inside oil pipe and extends to the underground oil layer to transmit the reciprocating motion of the horsehead suspension point of the ground pumping unit to the underground oil pump.
The high-temperature-resistant and corrosion-resistant sucker rods in the market are various in variety, but most of the butt joint parts among the high-temperature-resistant and corrosion-resistant sucker rods in the market are stressed greatly and are easy to break in the long-term use process, so that the existing product needs to be improved to meet the market demand.
Disclosure of Invention
The invention aims to provide a full spray welding high-temperature-resistant anti-corrosion sucker rod, which aims to solve the problems that the full spray welding high-temperature-resistant anti-corrosion sucker rod in the current market provided by the background technology is various in variety, but most of the butt joints among the full spray welding high-temperature-resistant anti-corrosion sucker rods are stressed greatly and are easy to break in the long-term use process.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a full spray welding high temperature resistant anticorrosion sucker rod, includes external screw thread joint, bolt, ball and nut, the one end of external screw thread joint is connected with pushes away the face circular bead, the one end of pushing away the face circular bead is connected with spanner square diameter, the one end of spanner square diameter is connected with the body of rod, the one end of the body of rod is connected with the connector, the surface of pushing away the face circular bead is connected with the fixture block, the clamp splice has been cup jointed on the surface of body of rod, the inside through connection of clamp splice has the pivot, the bolt through connection is in the inside of clamp splice;
the outer wall of the clamping block is connected with a fixed block, a fixed spring is arranged in the fixed block, and the ball is connected to one end of the fixed spring;
the surface connection of connector has the connecting block, one side of connecting block is provided with the latch, the inside through connection of latch has the connecting axle, the stopper has been cup jointed on the surface of connecting axle, the nut sets up in one side of stopper.
Preferably, the cross section of the inner wall of the connector is concave, the outer wall of the external threaded connector is of a threaded structure, and the external threaded connector is in threaded connection with the connector.
Preferably, the fixture blocks are provided with two groups, the two groups of fixture blocks are symmetrically distributed about the transverse middle branching of the shoulder of the pushing surface, and arc-shaped grooves matched with the circular protruding blocks on the outer wall of the limiting block are formed in the two groups of fixture blocks.
Preferably, the clamping blocks are provided with two groups, the two groups of clamping blocks are connected in a rotating way through a rotating shaft, and bolts penetrate through the two groups of clamping blocks to form threaded connection with the clamping blocks.
Preferably, the balls are symmetrically distributed about a transverse middle branching line of the rod body, and the balls form an elastic linkage structure through the fixing springs and the fixing blocks.
Preferably, the latch is rotatably connected with the connecting block through a connecting shaft, the outer wall of the latch is tangent with the inner wall of the limiting block, and the limiting block is in sliding connection with the latch.
Compared with the prior art, the invention has the beneficial effects that: the full spray welding high-temperature-resistant anti-corrosion sucker rod comprises:
1. the clamp splice of this product is provided with two sets of, and constitutes through the pivot between two sets of clamp splice and rotates to constitute threaded connection between the inside of two sets of clamp splice and the clamp splice is run through to the bolt, through rotating the clamp splice, makes the clamp splice card at the surface of the body of rod, rotates the bolt again, makes the bolt run through the inside of clamp splice, makes the clamp splice press from both sides the tight body of rod of clamp and fixes, so that installs the clamp splice.
2. The ball of this product is symmetrical distribution about the horizontal well separated time of the body of rod, and the ball passes through and constitutes elasticity linkage structure between fixed spring and the fixed block, through installing the back to the clamp splice, inserts the body of rod inside the oil pipe, makes the ball rotate along the oil pipe inside to through fixed spring's elasticity, the restriction body of rod rocks inside the oil pipe, in order to play the effect of righting.
3. The latch of this product passes through the connecting axle and constitutes the rotation between the connecting block and is connected, and constitutes sliding connection between stopper and the latch, through the inside of turning into the connector with external screw thread joint, rotates the latch again, makes the inside of latch card income fixture block, and the slip stopper makes the arc recess looks block of stopper and fixture block, rotates the nut and carries out spacingly to the stopper, can make the junction atress dispersion between this product to reach the purpose that prevents the rupture.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is a schematic view of a front view in cross section;
FIG. 3 is a schematic side view of a block according to the present invention.
In the figure: 1. an external threaded joint; 2. pushing the bearing surface shoulder; 3. square diameter of wrench; 4. a rod body; 5. a connector; 6. a clamping block; 7. clamping blocks; 8. a rotating shaft; 9. a bolt; 10. a fixed block; 11. a fixed spring; 12. a ball; 13. a connecting block; 14. a latch; 15. a connecting shaft; 16. a limiting block; 17. and (3) a nut.
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.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a full spray welding high temperature resistant anticorrosion sucker rod, including outer screwed joint 1, thrust bearing surface circular bead 2, spanner square diameter 3, body of rod 4, connector 5, fixture block 6, clamp block 7, pivot 8, bolt 9, fixed block 10, fixed spring 11, ball 12, connecting block 13, clip 14, connecting shaft 15, stopper 16 and nut 17, the one end of outer screwed joint 1 is connected with thrust bearing surface circular bead 2, the one end of thrust bearing surface circular bead 2 is connected with spanner square diameter 3, the one end of spanner square diameter 3 is connected with body of rod 4, the one end of body of rod 4 is connected with connector 5, the inner wall cross section of connector 5 is "concave" shape, and the outer wall of outer screwed joint 1 is the helicitic texture to be connected between the connector 5 for the butt joint between this product, the surface of thrust bearing surface 2 is connected with fixture block 6, fixture block 6 is provided with two sets of fixture blocks, and two sets of fixture block 6 are in the horizontal middle of thrust bearing surface circular bead 2 and are symmetrical distribution, and the inside of two sets of fixture block 6 has the inside to open and have the inside of stopper 16 to be connected with the inside clamp block 7 through the inside 7 of the radial 7 through the inside 7, the inside 7 is connected with the inside 7 through the inside 7 of the radial 7, the inside 7 is connected with the inside 7 through the inside 7 of the clamp block 9, the inside 7 of the inside 7 is connected with the inside 7 through the inside 7 of the clamp block 7;
the outer wall of the clamping block 7 is connected with a fixed block 10, a fixed spring 11 is arranged in the fixed block 10, the balls 12 are connected to one end of the fixed spring 11, the balls 12 are symmetrically distributed about a transverse middle branching line of the rod body 4, and the balls 12 form an elastic linkage structure through the fixed spring 11 and the fixed block 10, and the rod body 4 can be limited to shake in an oil pipe through the installation of the clamping block 7 so as to play a role in righting;
the surface of connector 5 is connected with connecting block 13, one side of connecting block 13 is provided with bayonet lock 14, the bayonet lock 14 passes through and constitutes the rotation between connecting axle 15 and the connecting block 13 and be connected, and the outer wall of bayonet lock 14 is tangent with the inner wall of stopper 16 to constitute sliding connection between stopper 16 and the bayonet lock 14, make stopper 16 and fixture block 6 looks block through rotating bayonet lock 14, in order to reach the purpose that prevents this product junction rupture, the inside through connection of bayonet lock 14 has connecting axle 15, the stopper 16 has been cup jointed on the surface of connecting axle 15, nut 17 sets up in one side of stopper 16.
Working principle: when the full spray welding high-temperature-resistant anti-corrosion sucker rod is used, the clamping blocks 7 of the product are provided with two groups, the two groups of clamping blocks 7 are connected in a rotating mode through the rotating shaft 8, the bolts 9 penetrate through the inside of the two groups of clamping blocks 7 and the clamping blocks 7 to form threaded connection, the clamping blocks 7 are clamped on the surface of the rod body 4 through the rotating clamping blocks 7, the bolts 9 are rotated again, the bolts 9 penetrate through the inside of the clamping blocks 7, the clamping blocks 7 clamp the rod body 4 to be fixed so as to facilitate installation of the clamping blocks 7, balls 12 of the product are symmetrically distributed on the transverse middle branching of the rod body 4, the balls 12 form an elastic linkage structure through the fixing springs 11 and the fixing blocks 10, after the clamping blocks 7 are installed, the rod body 4 is inserted into an oil pipe, the balls 12 rotate along the inside of the oil pipe, and are limited to shake inside the oil pipe through the elasticity of the fixing springs 11, a centering clamping bolt 14 is formed between the connecting shaft 15 and the connecting block 13, a sliding connection is formed between the limiting block 16 and the limiting block 14, the sliding connection is realized through the external threaded joint 1 and the sliding connection 1 rotating into the inside the connecting block 5, the sliding connection between the limiting block 16 and the limiting block 16 is prevented from being clamped in the groove 16, and the sliding connection between the limiting block 16 and the limiting block 16 is realized, and the special technical field is realized, and the technical problem is well is described.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (4)
1. The utility model provides a full high temperature resistant anticorrosion sucker rod of spray welding, includes external screw thread joint (1), bolt (9), ball (12) and nut (17), its characterized in that: one end of the external threaded joint (1) is connected with a push bearing surface shoulder (2), one end of the push bearing surface shoulder (2) is connected with a wrench square diameter (3), one end of the wrench square diameter (3) is connected with a rod body (4), one end of the rod body (4) is connected with a connector (5), the surface of the push bearing surface shoulder (2) is connected with a clamping block (6), the surface of the rod body (4) is sleeved with a clamping block (7), a rotating shaft (8) is connected in the clamping block (7) in a penetrating manner, and a bolt (9) is connected in the clamping block (7) in a penetrating manner.
The outer wall of the clamping block (7) is connected with a fixed block (10), a fixed spring (11) is arranged in the fixed block (10), and the ball (12) is connected to one end of the fixed spring (11);
the surface of the connector (5) is connected with a connecting block (13), one side of the connecting block (13) is provided with a clamping bolt (14), the inside of the clamping bolt (14) is connected with a connecting shaft (15) in a penetrating way, the surface of the connecting shaft (15) is sleeved with a limiting block (16), and the nut (17) is arranged on one side of the limiting block (16);
the clamping blocks (6) are provided with two groups, the two groups of clamping blocks (6) are symmetrically distributed about the transverse middle branching of the pushing bearing surface shoulder (2), arc grooves matched with the circular protruding blocks on the outer wall of the limiting block (16) are formed in the two groups of clamping blocks (6), and the clamping blocks (6) are clamped through the limiting block (16) so as to facilitate the stress dispersion of the connecting parts between the sucker rods;
the clamping bolt (14) is rotationally connected with the connecting block (13) through the connecting shaft (15), the outer wall of the clamping bolt (14) is tangent to the inner wall of the limiting block (16), the limiting block (16) is in sliding connection with the clamping bolt (14), and the limiting block (16) is clamped with the clamping block (6) through the rotation of the clamping bolt (14), so that the purpose of preventing the joint of the sucker rod from being broken is achieved.
2. The full spray welded high temperature resistant corrosion resistant sucker rod of claim 1, wherein: the inner wall section of the connector (5) is concave, the outer wall of the external threaded connector (1) is of a threaded structure, and the external threaded connector (1) is in threaded connection with the connector (5).
3. The full spray welded high temperature resistant corrosion resistant sucker rod of claim 1, wherein: the clamping blocks (7) are provided with two groups, the two groups of clamping blocks (7) are connected in a rotating way through the rotating shaft (8), and bolts (9) penetrate through the two groups of clamping blocks (7) to form threaded connection with the clamping blocks (7).
4. The full spray welded high temperature resistant corrosion resistant sucker rod of claim 1, wherein: the balls (12) are symmetrically distributed about a transverse middle branching line of the rod body (4), and the balls (12) form an elastic linkage structure through the fixing springs (11) and the fixing blocks (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110304225.6A CN113153172B (en) | 2021-03-22 | 2021-03-22 | Full spray welding high temperature resistant anticorrosion sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110304225.6A CN113153172B (en) | 2021-03-22 | 2021-03-22 | Full spray welding high temperature resistant anticorrosion sucker rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113153172A CN113153172A (en) | 2021-07-23 |
| CN113153172B true CN113153172B (en) | 2023-10-20 |
Family
ID=76888179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110304225.6A Active CN113153172B (en) | 2021-03-22 | 2021-03-22 | Full spray welding high temperature resistant anticorrosion sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113153172B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1012456A (en) * | 1976-09-01 | 1977-06-21 | Steel Company Of Canada | Paraffin sucker rod scraper and rod centralizer |
| EP0845576A2 (en) * | 1996-11-29 | 1998-06-03 | Doris Krieger | Drill string |
| CA2273372A1 (en) * | 1999-04-20 | 2000-10-20 | Donald E. Sable | Well tool |
| CN2929147Y (en) * | 2006-03-30 | 2007-08-01 | 东营正和机械有限公司 | Oil pumping rod oriented rotary device |
| CN200946465Y (en) * | 2006-09-08 | 2007-09-12 | 大庆油田有限责任公司 | Reverse rotation locking device for elevating pumping rod of screw pump well |
| CN200968279Y (en) * | 2006-09-01 | 2007-10-31 | 山东九环石油机械有限公司 | Pole special for trapezium side-plug-in dropping stop screw pump well |
| CN201090426Y (en) * | 2007-06-18 | 2008-07-23 | 黄玉华 | Disjointing device for oil pump |
| CN201363123Y (en) * | 2009-01-20 | 2009-12-16 | 杜洋 | Oil extracting device of directional well screw pumps |
| CN202520246U (en) * | 2012-04-06 | 2012-11-07 | 中国石油天然气股份有限公司 | Disconnecting device for large-diameter long-plunger oil well pump |
| US9624736B1 (en) * | 2016-03-04 | 2017-04-18 | Tenaris Connections B.V. | Sucker rod end |
| CN108798553A (en) * | 2018-06-13 | 2018-11-13 | 大庆市晟威机械制造有限公司 | A kind of height-adjustable oil pumping rod centering device |
| CN110454095A (en) * | 2019-09-12 | 2019-11-15 | 国际 | A kind of buckle-type nylon oil pumping rod centering device |
| CN210195677U (en) * | 2019-07-17 | 2020-03-27 | 东营市金亿来石油机械有限公司 | Wear-resistant full-coated anti-corrosion sucker rod |
| CN210564384U (en) * | 2019-05-23 | 2020-05-19 | 垦利县金秀石油机械有限公司 | Improved fully-coated sucker rod base body, clamp and sucker rod |
| CN211144397U (en) * | 2019-12-19 | 2020-07-31 | 九环机械股份有限公司 | Special anti-drop sucker rod of screw pump |
| CN211397480U (en) * | 2019-12-13 | 2020-09-01 | 东营市三和石油装备有限公司 | Full-spray-welding high-temperature-resistant anti-corrosion sucker rod with centralizer |
| CN211900495U (en) * | 2020-03-24 | 2020-11-10 | 东营市金亿来石油机械有限公司 | Sucker rod with centralizing and eccentric wear preventing functions |
| CN211900493U (en) * | 2020-03-24 | 2020-11-10 | 东营市金亿来石油机械有限公司 | High-yield coated sucker rod with centralizer |
| CN212454302U (en) * | 2020-05-18 | 2021-02-02 | 大庆市龙兴石油机械有限公司 | Novel sucker rod centralizer |
| CN212671583U (en) * | 2020-05-15 | 2021-03-09 | 大庆市龙兴石油机械有限公司 | Novel sucker rod |
| CN112483012A (en) * | 2020-12-10 | 2021-03-12 | 蒋东 | Anti-drop and anti-tensile sucker rod coupling |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6991267B2 (en) * | 1999-12-03 | 2006-01-31 | Siderca S.A.I.C. | Assembly of hollow torque transmitting sucker rods and sealing nipple with improved seal and fluid flow |
| WO2011022804A1 (en) * | 2009-08-31 | 2011-03-03 | Arnold Wollmann | Sucker rod coupling and method of wear prevention in driven rotation of a sucker rod string in production tubing |
| CN203992533U (en) * | 2014-06-03 | 2014-12-10 | 浙江三鸥机械股份有限公司 | The drill chuck of position is crossed in a kind of anti-operation |
| US20160160579A1 (en) * | 2014-12-05 | 2016-06-09 | Sigma Lift Solutions, Corp. | Sucker rod guide |
| US11136832B2 (en) * | 2017-06-28 | 2021-10-05 | Uniarmour Llc | Thread protector for use with sucker rods and oil tools |
| CN209115050U (en) * | 2018-12-07 | 2019-07-16 | 宁夏长庆石油机械制造有限责任公司 | A kind of portable anti-tripping connecting device for hollow sucker |
| CN110725654B (en) * | 2019-11-30 | 2021-02-05 | 徐章翊 | Combined type sucker rod centralizer |
| CN211448543U (en) * | 2020-08-06 | 2020-09-08 | 胜利方兰德石油装备股份有限公司 | Righting anti-wear hollow sucker rod |
-
2021
- 2021-03-22 CN CN202110304225.6A patent/CN113153172B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1012456A (en) * | 1976-09-01 | 1977-06-21 | Steel Company Of Canada | Paraffin sucker rod scraper and rod centralizer |
| EP0845576A2 (en) * | 1996-11-29 | 1998-06-03 | Doris Krieger | Drill string |
| CA2273372A1 (en) * | 1999-04-20 | 2000-10-20 | Donald E. Sable | Well tool |
| CN2929147Y (en) * | 2006-03-30 | 2007-08-01 | 东营正和机械有限公司 | Oil pumping rod oriented rotary device |
| CN200968279Y (en) * | 2006-09-01 | 2007-10-31 | 山东九环石油机械有限公司 | Pole special for trapezium side-plug-in dropping stop screw pump well |
| CN200946465Y (en) * | 2006-09-08 | 2007-09-12 | 大庆油田有限责任公司 | Reverse rotation locking device for elevating pumping rod of screw pump well |
| CN201090426Y (en) * | 2007-06-18 | 2008-07-23 | 黄玉华 | Disjointing device for oil pump |
| CN201363123Y (en) * | 2009-01-20 | 2009-12-16 | 杜洋 | Oil extracting device of directional well screw pumps |
| CN202520246U (en) * | 2012-04-06 | 2012-11-07 | 中国石油天然气股份有限公司 | Disconnecting device for large-diameter long-plunger oil well pump |
| US9624736B1 (en) * | 2016-03-04 | 2017-04-18 | Tenaris Connections B.V. | Sucker rod end |
| CN108798553A (en) * | 2018-06-13 | 2018-11-13 | 大庆市晟威机械制造有限公司 | A kind of height-adjustable oil pumping rod centering device |
| CN210564384U (en) * | 2019-05-23 | 2020-05-19 | 垦利县金秀石油机械有限公司 | Improved fully-coated sucker rod base body, clamp and sucker rod |
| CN210195677U (en) * | 2019-07-17 | 2020-03-27 | 东营市金亿来石油机械有限公司 | Wear-resistant full-coated anti-corrosion sucker rod |
| CN110454095A (en) * | 2019-09-12 | 2019-11-15 | 国际 | A kind of buckle-type nylon oil pumping rod centering device |
| CN211397480U (en) * | 2019-12-13 | 2020-09-01 | 东营市三和石油装备有限公司 | Full-spray-welding high-temperature-resistant anti-corrosion sucker rod with centralizer |
| CN211144397U (en) * | 2019-12-19 | 2020-07-31 | 九环机械股份有限公司 | Special anti-drop sucker rod of screw pump |
| CN211900495U (en) * | 2020-03-24 | 2020-11-10 | 东营市金亿来石油机械有限公司 | Sucker rod with centralizing and eccentric wear preventing functions |
| CN211900493U (en) * | 2020-03-24 | 2020-11-10 | 东营市金亿来石油机械有限公司 | High-yield coated sucker rod with centralizer |
| CN212671583U (en) * | 2020-05-15 | 2021-03-09 | 大庆市龙兴石油机械有限公司 | Novel sucker rod |
| CN212454302U (en) * | 2020-05-18 | 2021-02-02 | 大庆市龙兴石油机械有限公司 | Novel sucker rod centralizer |
| CN112483012A (en) * | 2020-12-10 | 2021-03-12 | 蒋东 | Anti-drop and anti-tensile sucker rod coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113153172A (en) | 2021-07-23 |
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