CN212927800U - Screw pump transmission rod guider for oil and gas exploitation - Google Patents
Screw pump transmission rod guider for oil and gas exploitation Download PDFInfo
- Publication number
- CN212927800U CN212927800U CN202020853153.1U CN202020853153U CN212927800U CN 212927800 U CN212927800 U CN 212927800U CN 202020853153 U CN202020853153 U CN 202020853153U CN 212927800 U CN212927800 U CN 212927800U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- torque transmission
- guide head
- oil
- lock 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A screw pump transmission rod guider for oil gas exploitation is arranged in an oil pipe of an oil discharging and exploiting well, is connected between an upper section of transmission sucker rod and a lower section of transmission sucker rod, and comprises a reducing female joint, a first torque transmission part, a righting part, a second torque transmission part and a reducing male joint which are sequentially arranged from top to bottom; universal guide heads are arranged in the first torque transmission part and the second torque transmission part; the righting part is provided with a righting shaft and a righting sleeve which are sleeved together in a clearance fit mode, the outer wall of the righting sleeve is of a damping cylindrical surface structure, the damping cylindrical surface structure can be a polygonal prism surface, and the polygonal prism surface is in clearance fit with the inner wall of an oil pipe of the drainage and production well. The utility model provides an angle beat that the well skew leads to when the exploitation causes the crooked problem of disconnected pole even of transfer line, has avoided taking place the pipe leakage phenomenon, has reached the purpose that reduces equipment maintenance cost, improves production efficiency.
Description
Technical Field
The utility model relates to a screw pump transfer line director for oil gas exploitation belongs to power transmission technical field.
Background
In oil gas and coal bed gas exploitation engineering, a ground driving screw pump is widely adopted as power, and the ground power drives an exploitation device to operate through a screw pump transmission rod, but in the exploitation process of oil gas and coal bed gas inclined wells or horizontal wells, because the underground structure is relatively complex, the phenomenon that the exploitation direction is inclined to form the inclined wells is easy to occur, and because the transmission rod deforms and contacts an oil pipe of a drainage and exploitation well, the oil pipe generates additional lateral force to the transmission rod, so that the oil pipe is seriously abraded, and meanwhile, the failure of the threaded connection part of the transmission rod and the fault that the oil pipe is abraded and leaked are easy to cause, so that the oil gas well cannot normally output liquid, the exploitation progress is seriously influenced, and the equipment maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a screw pump transfer line director for oil gas exploitation aims at solving the crooked disconnected pole scheduling problem of transfer line of oil gas, coal bed gas inclined shaft and horizontal well exploitation in-process screw pump through the device, reaches the purpose that reduces equipment maintenance cost, improvement production efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a screw pump transmission rod guider for oil gas exploitation is arranged in an oil pipe of an oil discharging and exploiting well, is connected between an upper section of transmission sucker rod and a lower section of transmission sucker rod, and comprises a reducing female joint, a first torque transmission part, a righting part, a second torque transmission part and a reducing male joint which are sequentially arranged from top to bottom; universal guide heads are arranged in the first torque transmission part and the second torque transmission part; the righting part is provided with a righting shaft and a righting sleeve which are sleeved together in a clearance fit mode, the outer wall of the righting sleeve is of a damping cylindrical surface structure, the damping cylindrical surface structure can be a polygonal prism surface, and the polygonal prism surface is in clearance fit with the inner wall of an oil pipe of the drainage and production well.
The screw pump transmission rod guider for oil and gas exploitation is characterized in that the first transmission part comprises a first guide head, a first transmission sleeve and a first lock sleeve; the first guide head is arranged in the first lock sleeve, a universal connection matching structure is arranged between the first guide head and the first lock sleeve, the upper end of the first guide head is connected with the reducing male connector in a threaded connection mode, the lower end of the first guide head is of a flat flange structure, and the flat flange of the first guide head is inserted into the matching hole of the first torque transmission sleeve to realize torque transmission; a radial gap S is arranged between the circular arc surface of the first guide head flat flange and the corresponding matching surface of the flat hole of the first torque transmission sleeve, so that a space for realizing swinging is formed between the first guide head and the first torque transmission sleeve; the internal thread of the first lock sleeve is connected with the external thread of the first transmission sleeve.
The screw pump transmission rod guider for oil and gas exploitation is characterized in that the second transmission part comprises a second guide head, a second transmission sleeve and a second lock sleeve; the second guide head is arranged in the second lock sleeve, a universal connection matching structure is arranged between the second guide head and the second lock sleeve, the lower end of the second guide head is connected with the reducing male joint in a threaded connection mode, the upper end of the second guide head is of a flat flange structure, and the flat flange of the second guide head is inserted into a matching hole of the second torque transmission sleeve to realize torque transmission; a radial gap S is arranged between the circular arc surface of the flat flange of the second guide head and the corresponding matching surface of the flat hole of the second torque transmission sleeve, so that a space for realizing swinging is formed between the second guide head and the second torque transmission sleeve; the external thread of the second lock sleeve is in threaded connection with the inner thread of the second transmission sleeve.
According to the screw pump transmission rod guider for oil and gas exploitation, the universal connection and matching structure of the first guide head and the second guide head is a spherical structure, and the universal connection and matching structure of the first lock sleeve and the second lock sleeve is a concave spherical structure.
In the screw pump transmission rod guider for oil and gas exploitation, the upper end of the inner hole of the first lock sleeve is in a horn mouth shape, so that the first guide head can swing; the inner hole at the lower end is provided with an internal thread which is connected with the first torque transmission sleeve, and the minimum aperture of the internal thread is not smaller than the diameter of the spherical structure of the first guide head.
In the screw pump transmission rod guider for oil and gas exploitation, the lower end of the inner hole of the second lock sleeve is in a horn mouth shape, so that the second guide head can swing; the inner hole at the upper end is provided with an internal thread which is connected with the second torque transmission sleeve, and the minimum aperture of the internal thread is not smaller than the diameter of the spherical structure of the second guide head.
According to the screw pump transmission rod guider for oil and gas exploitation, a dustproof ring is further arranged between the reducing female joint and the first lock sleeve and sleeved on the outer circle of the first guiding head; and a dustproof ring is also arranged between the reducing male joint and the second lock sleeve and sleeved on the outer circle of the second guide head.
The screw pump transmission rod guider for oil and gas exploitation is characterized in that the dustproof ring is a rubber ring.
Above-mentioned a screw pump transfer line director for oil gas exploitation, righting cover outer wall damping cylinder structure still includes the knurling cylinder.
In the screw pump transmission rod guider for oil and gas exploitation, the material of the outer circular surface of the centering shaft and the material of the inner circular surface of the centering sleeve are 42 CrMo.
The utility model provides a screw pump transfer line director for oil gas exploitation, it is through setting up the structure of righting cover and righting the axle, the angle beat that the well skew leads to when having solved the exploitation causes the crooked even disconnected pole of transfer line problem, the emergence pipe leakage phenomenon has been avoided, can be fit for the inclined shaft more, horizontal well oil gas, the exploitation of energy such as coal bed gas, and simultaneously, it is rotatory with the self-lubricating nature of righting the axle to right the cover, the effect of rotatory eccentric wear oil pipe has not taken place to have realized, thereby reached the maintenance cost who reduces oil gas and coal bed gas exploitation equipment, the purpose of improving production efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of a first pilot head structure;
FIG. 4 is a schematic view of a second pilot head structure;
FIG. 5 is a cross-sectional view at F-F in FIG. 2;
fig. 6 is a cross-sectional view taken at D-D and E-E in fig. 2.
The list of labels in the figure is:
1. an upper drainage pipe; 2. a lower discharge pipe;
3. the device comprises a reducing female joint, 4, a first guide head, 4-1, a first flat flange, 4-2, a spherical structure, 5 and a first lock sleeve; 6. the device comprises a first torque transmission sleeve, a second torque transmission sleeve, a centering shaft, a first torque transmission sleeve, a second lock sleeve, a second guide head, a second flat flange, a spherical structure, a reducing male joint and a dust ring, wherein the first torque transmission sleeve is 7, the centering sleeve is 8, the centering shaft is 9, the second torque transmission sleeve is 10, the second lock sleeve is 11, the second guide head is 11-1, the;
A. a second torque transmission part, B, a righting part, C and a first torque transmission part;
s, radial gaps are reserved between the circular arc surfaces of the first flat flange and the second flat flange of the guide head and the corresponding matching surfaces of the flat holes of the torque transmission sleeve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, 2 and 5, the screw pump transmission rod guider for oil and gas exploitation of the present invention is suitable for oil and gas and coal bed gas exploitation of inclined wells and horizontal wells, penetrates into the oil pipe of the drainage and exploitation well, and is connected between the upper drainage pipe-1 and the lower drainage pipe-2, and comprises a reducing female joint 3, a first torque transmission part C, a centering part B, a second torque transmission part a and a reducing male joint 12, which are sequentially arranged from top to bottom; universal guide heads are arranged in the first torque transmission part C and the second torque transmission part A; the righting part B is provided with a righting shaft 8 and a righting sleeve 9 which are sleeved together in a clearance fit mode, the outer wall of the righting sleeve 9 can be in clearance fit with the inner wall of an oil pipe of a discharge production well in a polygonal prism mode so as to facilitate smooth penetration of a screw pump transmission rod guider, when a well deviation condition occurs in work, the edges of the polygonal prism are abutted to the inner wall of the oil pipe of the discharge production well, the righting shaft 8 and the righting sleeve 9 can still keep a normal fit state, alloy materials 42CrMo are adopted on the surfaces of the righting shaft 8 and the righting sleeve 9, a self-lubricating effect can be achieved, the friction resistance between the edges is reduced, and meanwhile gas and liquid discharged and produced can be smoothly discharged from the gaps between the prismatic surface and the inner wall of the oil pipe of the discharge production well.
Referring to fig. 2, 3, 4 and 6, the first torque transmission part C of the screw pump transmission rod guider for oil and gas exploitation of the present invention comprises a first guiding head 4, a first torque transmission sleeve 6 and a first lock sleeve 5; the first guide head 4 is arranged in the first lock sleeve 5, a universal connection matching structure is arranged between the first guide head and the first lock sleeve, the upper end of the first guide head 4 is connected with the reducing female joint 3 in a threaded connection mode, the lower end of the first guide head is of a flat flange 4-1 structure, and the flat flange 4-1 of the first guide head 4 is inserted into a matching hole of the first torque transmission sleeve 6 to realize torque transmission. The universal connection matching structure of the first guide head 4 is a spherical structure, the universal connection matching structure of the first lock sleeve 5 is a concave spherical structure, and a universal rotation matching relation is formed between the universal connection matching structure and the concave spherical structure, so that the torsion transmission part can deflect under the condition of adapting to well inclination, and the normal transmission relation is ensured. In addition, a dustproof ring 13 is further arranged between the reducing female joint 3 and the first lock sleeve 5 and sleeved on the outer circle of the first guide head 4, so that the situation that the spherical structure fails to move due to the fact that the fly ash is accumulated in a moving space of a sphere is prevented. A radial gap S is arranged between the circular arc surface of the flat flange of the first guide head 4 and the corresponding matching surface of the flat hole of the first torque transmission sleeve 6, so that a space for realizing swinging is formed between the first guide head 4 and the first torque transmission sleeve 6; the above technical feature ensures the posture adjustment function of the first guiding head 4 for adapting to the well deviation. The upper end of the inner hole of the first lock sleeve 5 is in a horn mouth shape, so that the first guide head 4 can swing; the inner hole at the lower end is provided with internal threads which are connected with the first torque transmission sleeve 6, and the minimum aperture of the internal threads is not smaller than the diameter of the spherical structure of the first guide head 4.
The technical features of the first torque transmission part C and the second torque transmission part a are symmetrically arranged with respect to the centering part B, and the technical effects achieved are the same, and are not described herein again.
Referring to fig. 1 to 6, a screw pump transfer line director for oil gas exploitation, be particularly useful for inclined shaft, horizontal well oil gas and coal bed gas exploitation, its accessible sets up the structure of righting cover 7 and righting axle 8, the oblique angle beat that leads to of well caused the crooked pole of transfer line even disconnected problem when having solved the exploitation, the phenomenon of leaking of emergence pipe has been avoided, can be fit for the exploitation of energy such as inclined shaft, horizontal well oil gas, coal bed gas more, simultaneously, it is rotatory with the self-lubricating nature of righting axle 7 to right cover 7, the effect of not taking place rotatory eccentric wear oil pipe has been realized.
Claims (9)
1. A screw pump transmission rod guider for oil gas exploitation is characterized in that the guider is arranged in an oil pipe of an oil extraction well, is connected between an upper extraction pipe (1) and a lower extraction pipe (2), and comprises a reducing female joint (3), a first torque transmission part (C), a righting part (B), a second torque transmission part (A) and a reducing male joint (12) which are sequentially arranged from top to bottom; universal guide heads are arranged in the first torque transmission part (C) and the second torque transmission part (A); the righting part (B) is provided with a righting shaft (8) and a righting sleeve (7) which are sleeved together in a clearance fit mode, the outer wall of the righting sleeve (7) is of a damping cylindrical surface structure, the damping cylindrical surface structure can be a polygonal column surface, and the polygonal column surface is in clearance fit with the inner wall of an oil pipe of the drainage and production well.
2. A screw pump drive rod guide for oil and gas production according to claim 1, wherein the first torque transfer part (C) comprises a first guide head (4), a first torque transfer sleeve (6) and a first lock sleeve (5); the first guide head (4) is arranged in the first lock sleeve (5), a universal connection matching structure is arranged between the first guide head and the first lock sleeve, the upper end of the first guide head (4) is connected with the reducing female joint (3) in a threaded connection mode, the lower end of the first guide head is of a flat flange (4-1) structure, and the flat flange (4-1) of the first guide head (4) is inserted into a matching hole of the first torque transmission sleeve (6) to realize torque transmission; a radial gap S is arranged between the circular arc surface of the first flat flange (4-1) of the first guide head (4) and the corresponding matching surface of the flat hole of the first torque transmission sleeve (6), so that a space for realizing swinging is formed between the first guide head (4) and the first torque transmission sleeve (6); the internal thread of the first lock sleeve (5) is connected with the external thread of the first transmission sleeve (6);
the second torque transmission part comprises a second guide head (11), a second torque transmission sleeve (9) and a second lock sleeve (10); the second guide head (11) is arranged in the second lock sleeve (10), a universal connection matching structure is arranged between the second guide head and the second lock sleeve, the lower end of the second guide head (11) is connected with the reducing male joint (12) in a threaded connection mode, the upper end of the second guide head is of a second flat flange (11-1) structure, and the second flat flange (11-1) of the second guide head (11) is inserted into a matching hole of the second torque transmission sleeve (9) to realize torque transmission; a radial gap S is arranged between the circular arc surface of the second flat flange (11-1) of the second guide head (11) and the corresponding matching surface of the flat hole of the second torque transmission sleeve (9), so that a space for realizing swinging is formed between the second guide head (11) and the second torque transmission sleeve (9); the external thread of the second lock sleeve (10) is connected with the internal thread of the second torque transmission sleeve (9).
3. The screw pump transmission rod guider for oil and gas exploitation according to claim 2, wherein the universal connection and matching structure of the first guiding head (4) and the second guiding head (11) is a spherical structure, and the universal connection and matching structure of the first lock sleeve (5) and the second lock sleeve (10) is a concave spherical structure.
4. A screw pump drive rod guider for oil and gas exploitation according to claim 2, wherein the upper end of the inner hole of the first lock sleeve (5) is in a bell mouth shape so as to enable the first guiding head (4) to swing; an inner hole at the lower end of the first lock sleeve (5) is provided with an internal thread which is connected with the first torque transmission sleeve (6), and the minimum aperture of the internal thread is not smaller than the diameter of the spherical structure of the first guide head (4).
5. A screw pump drive rod guide for oil and gas production according to claim 3, wherein the lower end of the inner hole of the second lock sleeve (10) is flared so as to enable the second guide head (11) to swing; an inner hole at the upper end of the second lock sleeve (10) is provided with an internal thread which is connected with the second torque transmission sleeve (9), and the minimum aperture of the internal thread is not smaller than the diameter of the spherical structure of the second guide head (11).
6. A screw pump transmission rod guider for oil and gas exploitation according to claim 2 or 3, wherein a dust ring (13) is further arranged between the reducing female joint (3) and the first lock sleeve (5) and sleeved on the outer circle of the first guiding head (4); a dustproof ring (13) is further arranged between the reducing male joint (12) and the second lock sleeve (10) and sleeved on the outer circle of the second guide head (11).
7. A screw pump drive rod guide for oil and gas production according to claim 6, wherein the dust ring (13) is a rubber ring.
8. A progressive cavity pump drive rod guide for oil and gas production in accordance with claim 1, the centering sleeve (7) outer wall damping cylinder structure further comprising a knurled cylinder.
9. A screw pump drive rod guide for oil and gas production according to claim 1, the material of the outer circular surface of the centering shaft (8) and the inner circular surface of the centering sleeve (7) being 42 CrMo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020853153.1U CN212927800U (en) | 2020-05-20 | 2020-05-20 | Screw pump transmission rod guider for oil and gas exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020853153.1U CN212927800U (en) | 2020-05-20 | 2020-05-20 | Screw pump transmission rod guider for oil and gas exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212927800U true CN212927800U (en) | 2021-04-09 |
Family
ID=75315867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020853153.1U Active CN212927800U (en) | 2020-05-20 | 2020-05-20 | Screw pump transmission rod guider for oil and gas exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212927800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123734A (en) * | 2021-05-28 | 2021-07-16 | 葫芦岛龙源采油配套设备有限公司 | Sucker rod guider |
-
2020
- 2020-05-20 CN CN202020853153.1U patent/CN212927800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123734A (en) * | 2021-05-28 | 2021-07-16 | 葫芦岛龙源采油配套设备有限公司 | Sucker rod guider |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212927800U (en) | Screw pump transmission rod guider for oil and gas exploitation | |
| CN209959185U (en) | Eccentric wear prevention telescopic sucker rod guider | |
| CN104632072B (en) | Underground vibration impact tool based on turbine and double helix ball screw | |
| CN106050177A (en) | Stick slip prevention torsion impact drilling tool | |
| CN204960831U (en) | Universal axis | |
| CN207988966U (en) | A kind of special button-type joint of petroleum drill rod of hermetic seal | |
| CN213743223U (en) | Anti-tripping motor assembly of screw drill | |
| CN212642676U (en) | Screw pump transmission rod guider | |
| CN111550195A (en) | Drill rod device free of pilot hole continuous same-direction jet grouting and high-pressure jet grouting pile construction method | |
| CN203248101U (en) | Drilling tool capable of preventing stall | |
| CN106641197B (en) | Vertical speed reducer capable of flexibly or rigidly jacking transmission shaft | |
| CN202176273U (en) | High-temperature high-pressure petroleum casing pipe thread connector | |
| CN210370496U (en) | Eccentric actuating mechanism | |
| CN204663417U (en) | A kind of mud motor sour jujube formula universal drive shaft | |
| CN2731065Y (en) | Air sealed threaded sleeve joint | |
| CN206668166U (en) | Drive main shaft and washing pipe attachment means in one kind top | |
| CN112267823A (en) | Anti-tripping motor assembly of screw drill | |
| CN2374638Y (en) | Oil pipeline universal pilot | |
| CN221004205U (en) | Wear-resistant rotary joint | |
| CN204960830U (en) | Flat side's universal joint | |
| CN216279071U (en) | Universal joint coupler for screw pump supercharging water injection equipment | |
| CN218347324U (en) | Screw drill rotor lengthening shaft | |
| CN208830903U (en) | A kind of damping driving-shaft assembly in helicoid hydraulic motor | |
| CN2727380Y (en) | Flexible PDC bit sub driven by spherical tooth and straight tooth | |
| CN217129431U (en) | Power drilling tool capable of penetrating leakage layer without tripping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |