CN106168120B - Anti-sway deviation correcting device - Google Patents
Anti-sway deviation correcting device Download PDFInfo
- Publication number
- CN106168120B CN106168120B CN201610753121.2A CN201610753121A CN106168120B CN 106168120 B CN106168120 B CN 106168120B CN 201610753121 A CN201610753121 A CN 201610753121A CN 106168120 B CN106168120 B CN 106168120B
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- Prior art keywords
- joint
- swing joint
- swing
- deviation correcting
- correcting device
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 239000010949 copper Substances 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 14
- 235000014676 Phragmites communis Nutrition 0.000 claims description 7
- 238000005253 cladding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000009466 transformation 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/023—Arrangements for connecting cables or wirelines to downhole devices
-
- 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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
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)
- Joints Allowing Movement (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of anti-sway deviation correcting device, including deviation correction mechanism and power transfer mechanism, deviation correction mechanism center offers through hole, and power transfer mechanism sets and is fixed on the inside of deviation correction mechanism；Deviation correction mechanism includes upper swivel cougling, cross hollow joint and the lower swing joint being sequentially connected from top to bottom；Power transfer mechanism includes conductive plug, conductive cable and the electrically conductive socket being sequentially connected from top to bottom；The anti-sway deviation correcting device is respectively the swing that axle realizes a certain amount of front, rear, left and right by the hangers on cross hollow joint by upper swivel cougling and lower swing joint, realize the anti-sway deviation-correcting function to connecting the connection tubing string under it, realize that power transmission is connected by conductive plug and electrically conductive socket while being connected with upper and lower connector by the power transfer mechanism of particular design simultaneously, effectively avoid due to hit tube wall when conducting rod tubing string rotate and caused by damage the accident such as heater under it, while ensure the stability of power transmission.
Description
Technical Field
The invention relates to the technical field of oil and gas exploitation, in particular to an anti-swing deviation correcting device.
Background
At present, in the process of exploiting thick oil and high-pour-point oil, a screw pump is generally adopted for extraction, and the thick oil and the high-pour-point oil flowing into a shaft need to be electrified and heated so as to reduce the viscosity of the thick oil and the high-pour-point oil, prevent wax deposition and facilitate flowing. The rotor of the screw pump must be driven to rotate, so that the tubular column of the electric heating rod below the rotor deviates from the central line when rotating along with the rotor, thereby bringing about shaking and swinging, easily causing impact on the pipe wall and damage to the heating device below the pipe wall, and further causing accidents. Therefore, the conductive anti-swing deviation correcting device with a similar movable bent joint structure is required to be designed, the function of the device is to eliminate swing caused by an eccentric angle in the rotation process of a screw pump rotor, and meanwhile, a cable in the device transmits electric power to a heating device under a pump.
Disclosure of Invention
The invention aims to provide an anti-swing deviation correcting device which can eliminate the swing of a lower device caused by an eccentric angle in the rotating process and can transmit electric power.
Therefore, the technical scheme of the invention is as follows:
an anti-swing deviation correcting device comprises a deviation correcting mechanism and an electric power transmission mechanism, wherein a through hole is formed in the center of the deviation correcting mechanism, and the electric power transmission mechanism is arranged and fixed on the inner side of the deviation correcting mechanism; wherein:
the deviation rectifying mechanism comprises an upper swinging joint, a cross hollow joint and a lower swinging joint which are sequentially connected from top to bottom; the cross hollow joint comprises a cylindrical body with a through hole in the center and four cylindrical lugs which are uniformly distributed along the circumferential direction of the body and are vertical to the axial direction of the body; the upper swing joint and the lower swing joint are respectively movably connected with a group of hangers on the opposite side of the cross hollow joint, so that the upper swing joint and the lower swing joint can swing by taking the connected hangers as axes;
the power transmission mechanism comprises a conductive plug, a conductive cable and a conductive socket which are sequentially connected from top to bottom; the conductive plug is arranged and fixed in the upper swing joint through an insulating layer coated on the outer walls of the conductive plug, the conductive cable and the conductive socket, and a first pressing cap arranged at the bottom end of the upper swing joint and a second pressing cap arranged at the top end of the lower swing joint respectively, and the conductive socket is arranged and fixed in the lower swing joint.
The conductive plug comprises a first copper bar and a thin copper bar arranged on the top surface of the first copper bar; an axial deep groove which divides the upper part of the thin copper rod into two pieces is arranged at the top end of the thin copper rod, and a wave-shaped reed is arranged in the axial deep groove, so that the two-piece structure of the thin copper rod expands outwards under the elastic force of the reed; the conductive socket comprises a second copper bar; an axial slot for inserting the conductive plug is formed in the inward concave bottom surface of the second copper bar.
Go up the swing and connect and be a barrel structure, be formed with two first connecting pieces that are located the offside from barrel bottom along axial extension, set up a first connecting hole that suits with cross hollow joint upper hanger external diameter on two first connecting pieces respectively, make to go up the swing and connect and lie in a set of hangers of offside on cross hollow joint through two first connecting hole cartridge, form swing joint.
Go up the barrel bottom that the swing connects and extend to be formed with first annular step along radial inboard, first pressure cap is equipped with annular boss and the cylinder that the through-hole was seted up at the center for a top, and first pressure cap downside cartridge is in the barrel, annular boss press-fit on the terminal surface of first annular step, fixes first pressure cap on first annular step through a plurality of first fastening screws that set up along the circumferencial direction.
At least one sealing ring is arranged on the outer wall of the lower side of the first pressing cap.
The inner wall of the upper swing joint is provided with a connecting internal thread which is used for being connected and fixed with the upper connecting piece.
The lower swing joint is of a cylinder structure, two second connecting pieces located on opposite sides are formed by extending the top end of the cylinder along the axial direction, and two second connecting holes matched with the outer diameter of the hangers on the cross hollow joint are formed in the two second connecting pieces respectively, so that the lower swing joint is inserted into another set of hangers located on the opposite sides on the cross hollow joint through the two second connecting holes to form movable connection.
The barrel top that the lower swing connects extends to be formed with second annular step along radial inboard, and the cap is pressed to the second is equipped with annular boss and the cylinder that the through-hole was seted up at the center for a top, and the cap downside cartridge is pressed in the barrel to the second, and annular boss presses to press and is joined in marriage on the terminal surface of second annular step, presses the cap to fix on second annular step through a plurality of second fastening screws that set up along the circumferencial direction with the second.
At least one sealing ring is arranged on the outer wall of the lower side of the second pressing cap.
The outer wall of the lower swinging joint is provided with a connecting external thread for connecting and fixing with a lower side connecting piece; at least one sealing ring is arranged on the outer wall of the lower swing joint.
Compared with the prior art, the anti-swing deviation correcting device realizes a certain amount of swing of front, back, left and right by taking the lugs on the cross hollow joint as shafts through the upper swing joint and the lower swing joint respectively, realizes the anti-swing deviation correcting function of a connecting pipe column connected below the upper swing joint, and realizes power transmission connection through the conductive plug and the conductive socket while being connected and fixed with the upper connecting piece and the lower connecting piece through the specially designed power transmission mechanism.
In conclusion, the anti-swing deviation correcting device solves the anti-swing deviation correcting problem of the conductive torque rod column of the ground driving screw pump for screw pump oil extraction, is arranged between the mutually connected pipe columns, effectively avoids accidents such as damage to a heating device below the pipe columns caused by impact on the pipe wall when the pipe columns rotate, and simultaneously ensures the stability of power transmission.
Drawings
FIG. 1 is a schematic cross-sectional view of the anti-swing deviation correcting device of the present invention;
FIG. 2 is a schematic structural diagram of a cross hollow joint of the anti-sway deviation rectification device of the present invention;
FIG. 3 is a schematic structural diagram of an upper swing joint of the anti-swing deviation correcting device of the present invention;
FIG. 4 is a schematic structural diagram of a lower swing joint of the anti-swing deviation correcting device of the present invention;
FIG. 5 is a schematic cross-sectional view of the anti-sway deviation rectification device of the present invention, which is connected to the upper connection member and the lower connection member respectively when in use.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, which are not intended to limit the invention in any way.
As shown in fig. 1, the anti-swing deviation correcting device comprises a deviation correcting mechanism and an electric power transmission mechanism, wherein a through hole is formed in the center of the deviation correcting mechanism, and the electric power transmission mechanism is arranged and fixed on the inner side of the deviation correcting mechanism; wherein:
the deviation rectifying mechanism comprises an upper swing joint 1, a cross hollow joint 11 and a lower swing joint 16 which are sequentially connected from top to bottom; in particular, the amount of the solvent to be used,
as shown in fig. 2, the cross hollow joint 11 includes a cylindrical body with a through hole at the center and four cylindrical lugs uniformly distributed along the circumferential direction of the body and axially perpendicular to the body; the four cylindrical hangers comprise a first hanger group 9 and a second hanger group 10 which are respectively positioned on the opposite sides;
as shown in fig. 3, the upper swing joint 1 is a cylinder structure, two first connecting pieces 101 located at opposite sides are formed by extending from the bottom end of the cylinder along the axial direction, the two first connecting pieces 101 are respectively provided with a first connecting hole 102 corresponding to the outer diameter of the upper lug of the cross hollow joint 11, so that the upper swing joint 1 is respectively inserted into the two lugs of the first lug group 9 through the two first connecting holes 102, and the end parts of the two lugs are provided with a barrier with an outer diameter larger than that of the first connecting hole 102, thereby avoiding the first connecting pieces 101 from being separated from the first lug group 9 in the using process; because the upper swing joint 1 is connected by taking the two cylindrical lugs positioned on the opposite side as bearing shafts, the upper swing joint 1 can swing by taking the cylindrical lugs as shafts; the first connecting piece 101 is of an arc structure which is adaptive to the radian of the cylinder body, and the radial width of the first connecting piece is narrow, so that the maximum swinging angle of the upper swinging joint 1 with the suspension loop as the shaft is 90 degrees;
the bottom end of the cylinder body of the upper swing joint 1 extends inwards along the radial direction to form a first annular step, the first pressing cap 8 is a cylinder the top end of which is provided with an annular boss, the center of which is provided with a through hole, the lower side of the first pressing cap 8 is inserted into the cylinder body, the annular boss is pressed and arranged on the end surface of the first annular step, and the first pressing cap 8 is fixed on the first annular step through a plurality of first fastening screws 7 arranged along the circumferential direction; two sealing rings 6 are arranged on the outer wall of the lower side of the first pressing cap 8;
as shown in fig. 4, the lower swing joint 16 is also a cylinder structure, two second connecting members 1601 located on opposite sides are formed by extending from the top end of the cylinder along the axial direction, the two second connecting members 1601 are respectively provided with a second connecting hole 1602 corresponding to the outer diameter of the ear hanging on the cross hollow joint 11, so that the lower swing joint 16 is inserted into the two ear hanging of the second ear hanging group 10 located on the opposite side on the cross hollow joint 11 through the two second connecting holes 1602, and a barrier with an outer diameter larger than that of the second connecting hole 1602 is provided at the end of the two ear hanging, thereby preventing the second connecting members 1601 from being separated from the second ear hanging group 10 in the using process; because the lower swing joint 16 is connected by taking the two cylindrical lugs positioned on the opposite side as bearing shafts, the lower swing joint 16 can swing by taking the cylindrical lugs as the shafts; the second connecting piece 1601 also has an arc structure adapted to the radian of the cylinder body, and the radial width of the second connecting piece is narrow, so that the lower swing joint 16 can also use the suspension loop as an axis, and the maximum swing angle of the second connecting piece is 90 degrees;
the top end of the cylinder body of the lower swing joint 16 extends inwards along the radial direction to form a second annular step, the structure of a second pressing cap 12 is the same as that of the first pressing cap 8, the second pressing cap is a cylinder with an annular boss at the top end and a through hole at the center, the lower side of the second pressing cap 12 is inserted into the cylinder body, the annular boss is pressed on the end surface of the second annular step, and the second pressing cap 12 is fixed on the second annular step through a plurality of second fastening screws 13 arranged along the circumferential direction; two sealing rings 14 are arranged on the outer wall of the lower side of the second pressing cap 12;
as shown in fig. 1, the power transmission mechanism includes a conductive plug 2, a conductive cable 5 and a conductive socket 19 connected in this order from top to bottom; in particular, the amount of the solvent to be used,
the conductive plug 2 comprises a first copper bar and a thin copper bar arranged on the top surface of the first copper bar; an axial deep groove which divides the upper part of the thin copper rod into two parts is formed in the top end of the thin copper rod, and a wavy reed 3 is arranged in the axial deep groove, so that the two-part structure of the thin copper rod expands outwards under the elastic force of the reed 3, and the thin copper rod is always kept in contact with the inner wall of the conductive socket 19 under the elastic force of the reed 3 when the conductive plug 2 is inserted into the corresponding conductive socket 19, namely, the thin copper rod is always kept in a power-on state;
the conductive socket 19 comprises a second copper bar; an axial slot for inserting a conductive plug is formed by inwards recessing the bottom surface of the second copper bar 9; the inner diameter of the axial slot is adapted to the outer diameter of the thin copper rod of the conductive plug 2;
the conductive cable 5 penetrates through the inner sides of the upper swing joint 1, the cross hollow joint 11 and the lower swing joint 16, and the top end and the bottom end of the conductive cable are respectively welded and fixed with the bottom surface of the first copper bar of the conductive plug 2 and the top surface of the second copper bar of the conductive socket 19; wherein, the length of the conductive cable 5 is slightly larger than the distance from the bottom surface of the conductive plug 2 to the top surface of the conductive socket 19; in order to ensure that the insulating property between the power transmission mechanism and the deviation correcting mechanism is good, the outer walls of the first copper bar, the conductive cable 5 and the second copper bar 9 are coated with a layer of insulating layer 18, the insulating layer 18 is made of ultra-high molecular polyethylene or high-density polyethylene, and the breakdown voltage resistance is 1000V;
in order to fix the power transmission mechanism inside the deviation correcting mechanism, specifically, the inner diameter of the cylinder of the upper swing joint 1 is adapted to the outer diameter of the bottom end of the upper connecting piece, the inner diameter of the first pressing cap 8 is adapted to the outer diameter of the conductive cable 5 coated with the insulating layer 18, the first pressing cap 8 is sleeved outside the conductive cable 5 in an extruding manner, and the conductive plug 2 is arranged and fixed inside the upper swing joint 1; the inner diameter of the cylinder of the lower swing joint 16 and the inner diameter of the second pressing cap 12 are both adapted to the outer diameter of the conductive cable 5 coated with the insulating layer 18, so that the second pressing cap 12 and the lower swing joint 16 are extruded and sleeved outside the conductive cable 5, and the conductive socket 19 is arranged and fixed in the lower swing joint 16.
As shown in fig. 5, in order to ensure the consistency of power transmission, the connection ends of the connecting member 22 and the lower connecting member 24 are modified: the bottom end of the upper connecting piece 22 is provided with a conductive socket 2201 with the same mechanism as the conductive socket 19, and the outer wall of the bottom end of the upper connecting piece 22 is provided with a connecting external thread; the inner wall of the upper swing joint 1 is provided with a connecting internal thread 4 for connecting and fixing with an upper side connecting piece 22, the upper swing joint 1 and the upper side connecting piece 22 are connected and fixed in a sealing way through a double-channel sealing ring 6 arranged on the outer wall of the first pressing cap 8 and a sealing ring 24 arranged on the outer wall of the upper side connecting piece 22, and the conductive plug 2 in the upper swing joint 1 is inserted into a conductive socket 2201 of the upper connecting piece 22.
The same transformation is performed on the lower connecting piece 23 by the same way: the bottom end of the lower connecting piece 23 is processed into a conductive plug 2301 with the same structure as the conductive plug 2, and the inner wall of the lower connecting piece 23 is provided with a connecting internal thread; the outer wall of the lower swing joint 16 is processed into a structure with the outer wall reduced in a step shape according to the shape of the inner wall of the connecting part of the lower side connecting piece 23, the outer wall of the minimum outer diameter part is processed with a connecting external thread 17, the lower swing joint 16 and the lower side connecting piece 23 are fixedly connected in a sealing mode through a first sealing ring 15 and a second sealing ring 20 which are respectively arranged at different outer diameters from top to bottom, and a conductive plug 2301 of the lower connecting piece is inserted into a conductive socket 19 in the lower swing joint 16.
Claims (10)
1. An anti-swing deviation correcting device is characterized by comprising a deviation correcting mechanism and an electric power transmission mechanism, wherein a through hole is formed in the center of the deviation correcting mechanism, and the electric power transmission mechanism is arranged and fixed on the inner side of the deviation correcting mechanism; wherein,
the deviation rectifying mechanism comprises an upper swinging joint (1), a cross hollow joint (11) and a lower swinging joint (16) which are sequentially connected from top to bottom; the cross hollow joint (11) comprises a cylindrical body with a through hole at the center and four cylindrical hangers which are uniformly distributed along the circumferential direction of the body and are axially vertical to the body; the upper swing joint (1) and the lower swing joint (16) are respectively movably connected with a group of hangers on the cross hollow joint (11) which are positioned at the opposite side, so that the upper swing joint (1) and the lower swing joint (16) can swing by taking the connected hangers as axes;
the power transmission mechanism comprises a conductive plug (2), a conductive cable (5) and a conductive socket (19) which are sequentially connected from top to bottom; through cladding in insulating layer (18) of electrically conductive plug (2), electrically conductive cable (5) and electrically conductive socket (19) outer wall and set up respectively and press cap (8) and second pressure cap (12) that set up swing joint (16) top under in the first pressure cap (1) of last swing joint (1) bottom make electrically conductive plug (2) set up and fix in last swing joint (1), electrically conductive socket (19) set up and fix in swing joint (16) down.
2. The anti-swing deviation correcting device according to claim 1, wherein the conductive plug (2) comprises a first copper bar and a thin copper bar arranged on the top surface of the first copper bar; an axial deep groove which divides the upper part of the thin copper rod into two parts is formed in the top end of the thin copper rod, and a wavy reed (3) is arranged in the axial deep groove, so that the two-part structure of the thin copper rod expands outwards under the elastic action of the reed (3); the electrically conductive socket (19) comprises a second copper bar; an axial slot for inserting the conductive plug is formed by inwards recessing the bottom surface of the second copper bar (9).
3. The anti-swing deviation rectifying device according to claim 1, wherein the upper swing joint (1) is a cylinder structure, two first connecting pieces located at opposite sides are formed by extending from the bottom end of the cylinder along the axial direction, the two first connecting pieces are respectively provided with a first connecting hole corresponding to the outer diameter of the hangers on the cross hollow joint (11), so that the upper swing joint (1) is inserted into a group of hangers located at opposite sides on the cross hollow joint (11) through the two first connecting holes to form a movable connection.
4. The anti-swing deviation correcting device according to claim 3, wherein the bottom end of the cylinder extends radially inward to form a first annular step, the first pressing cap (8) is a cylinder with an annular boss at the top end and a through hole at the center, the lower side of the first pressing cap (8) is inserted into the cylinder, the annular boss is press-fitted on the end surface of the first annular step, and the first pressing cap (8) is fixed on the first annular step by a plurality of first fastening screws (7) arranged along the circumferential direction.
5. The anti-swing deviation correcting device according to claim 4, wherein the outer wall of the lower side of the first pressing cap (8) is provided with at least one sealing ring.
6. The anti-swing deviation rectifying device according to claim 3, characterized in that the inner wall of the upper swing joint (1) is provided with a connecting inner thread (4) for connecting and fixing with the upper connecting piece.
7. The anti-swing deviation correcting device according to claim 1, wherein the lower swing joint (16) is a cylinder structure, two second connecting members located at opposite sides are formed by extending from the top end of the cylinder along the axial direction, and a second connecting hole corresponding to the outer diameter of the hanging lug on the cross hollow joint (11) is formed in each of the two second connecting members, so that the lower swing joint (16) is inserted into the other hanging lug on the cross hollow joint (11) located at the opposite side through the two second connecting holes to form a movable connection.
8. The anti-swing deviation correcting device according to claim 7, wherein the top end of the cylinder extends radially inward to form a second annular step, the second pressing cap (12) is a cylinder with an annular boss at the top end and a through hole at the center, the lower side of the second pressing cap (12) is inserted into the cylinder, the annular boss is press-fitted on the end surface of the second annular step, and the second pressing cap (12) is fixed on the second annular step by a plurality of second fastening screws (13) arranged along the circumferential direction.
9. The anti-swing deviation correcting device according to claim 8, wherein the outer wall of the lower side of the second pressing cap (12) is provided with at least one sealing ring (14).
10. The anti-swing deviation correcting device according to claim 7, wherein the outer wall of the lower swing joint (16) is provided with a connecting external thread (17) for connecting and fixing with the lower connecting piece; at least one sealing ring is arranged on the outer wall of the lower swing joint (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753121.2A CN106168120B (en) | 2016-08-29 | 2016-08-29 | Anti-sway deviation correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753121.2A CN106168120B (en) | 2016-08-29 | 2016-08-29 | Anti-sway deviation correcting device |
Publications (2)
| Publication Number | Publication Date |
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| CN106168120A CN106168120A (en) | 2016-11-30 |
| CN106168120B true CN106168120B (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610753121.2A Expired - Fee Related CN106168120B (en) | 2016-08-29 | 2016-08-29 | Anti-sway deviation correcting device |
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| CN (1) | CN106168120B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194136B (en) * | 2016-08-29 | 2019-01-22 | 王国良 | A kind of screw pump oil production device and its oil production method with pump lower heating mechanism |
| CN112652930B (en) * | 2020-11-30 | 2022-05-24 | 中国石油天然气集团有限公司 | Contact type wire passing motor conversion offset assembly and electric signal transmission method |
| CN114991684B (en) * | 2022-07-19 | 2022-10-25 | 四川中安嘉盛石油科技有限公司 | Flexible nipple for rotary steering drilling and mounting method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193614A (en) * | 1991-02-26 | 1993-03-16 | Otis Engineering Corporation | Cable anchor assembly |
| CN1234958C (en) * | 2003-04-11 | 2006-01-04 | 中国海洋石油总公司 | Potential oil screw pump production system |
| CA2458580C (en) * | 2004-02-24 | 2008-08-26 | 789047 Alberta Ltd. | Wireline coupler |
| CN201016279Y (en) * | 2007-01-30 | 2008-02-06 | 孙平 | Pumping rod error-correcting abrasion-reducing rotary rolling coupling |
| CN202789517U (en) * | 2012-07-04 | 2013-03-13 | 中国石油天然气股份有限公司 | Screw pump oil production control device based on downhole multi-parameter real-time monitoring |
| CN104775793A (en) * | 2015-03-16 | 2015-07-15 | 浙江理工大学 | Oil extracting device |
| CN204663390U (en) * | 2015-04-27 | 2015-09-23 | 邹德龙 | A kind of drilling rod with deviation-correcting function |
| CN205955662U (en) * | 2016-08-29 | 2017-02-15 | 王国良 | Prevent putting deviation correcting device |
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2016
- 2016-08-29 CN CN201610753121.2A patent/CN106168120B/en not_active Expired - Fee Related
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| CN106168120A (en) | 2016-11-30 |
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Granted publication date: 20180227 |