CN211314516U - Gas-liquid displacement type solid plunger small-diameter oil well pump - Google Patents
Gas-liquid displacement type solid plunger small-diameter oil well pump Download PDFInfo
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- CN211314516U CN211314516U CN201921956062.4U CN201921956062U CN211314516U CN 211314516 U CN211314516 U CN 211314516U CN 201921956062 U CN201921956062 U CN 201921956062U CN 211314516 U CN211314516 U CN 211314516U
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Abstract
The utility model discloses a solid plunger minor diameter oil-well pump of gas-liquid replacement formula, which comprises a pump body, the left side of the pump body is provided with the replacement chamber, the upper surface in replacement chamber alternates and is provided with the cassette, the left surface and the equal fixedly connected with otic placode of right flank of cassette, two the equal threaded connection in upper surface of otic placode has the screw thread round pin, the screw thread round pin with two screw holes have been seted up to the surface in replacement chamber, the screw thread round pin with screw hole threaded connection. According to the gas-liquid displacement type solid plunger small-diameter oil well pump, the gas-liquid displacement device is additionally arranged on the basis of the solid plunger pump, so that the gas-liquid ratio in a pump cavity is reduced, the discharge of escaping gas of crude oil is promoted, the pump efficiency is improved, and the adaptability to the working conditions of a low-yield oil well such as low submergence, insufficient production and the like is enhanced; meanwhile, the gas-liquid exchange device can play a role in righting the pump barrel and the plunger, so that the plunger is ensured to stably run, and the service life is prolonged.
Description
Technical Field
The utility model relates to an oil-well pump technical field specifically is a solid plunger minor diameter oil-well pump of gas-liquid replacement formula.
Background
Along with the reduction of the liquid supply capacity of the stratum and the exploitation of unconventional oil reservoirs with low permeability, ultra-low permeability and the like, the number of domestic low-yield oil wells increases year by year. The minimum pump diameter of the API standard commonly used in the oil field is 32mm, the pumping capacity is larger than the stratum liquid supply capacity of a low-production oil well, the problems of unbalanced oil well production, frequent oil pump emptying and high energy consumption are prominent, and a plurality of wells with the production value are forced to stop production. In order to achieve the purposes of production balance and reduction of installed power, oil-well pumps with smaller diameters are developed in various oil fields, but the application is limited due to the problems of low structural strength, poor internal flow characteristics and the like caused by space limitation. Therefore, the development of the small-diameter oil well pump with high strength and good internal fluidity has important engineering practical significance.
Aiming at the problems of unbalanced supply and production, low pump efficiency and high energy consumption of a conventional oil well pump of a low-yield oil well and the like, a gas-liquid displacement type solid plunger with the pump diameter of 25mm is developed. The pump adopts a solid plunger piston structure, so that the plunger piston breaking accident caused by valve cover breakage can be prevented; the gas-liquid replacement device is additionally arranged on the pump barrel, so that the gas-liquid ratio in the pump cavity is reduced, the gas influence is weakened, the pump efficiency is improved, and the pump is more suitable for the working conditions of low-yield wells, low submergence and the like with poor liquid supply capacity.
1. The conventional solid plunger structure enables the highest part of a pump cavity to be always in a sealed state, so that the sucked gas is difficult to discharge, the pump efficiency is reduced, and air lock is caused in severe cases;
2. the wall of an upper oil outlet valve cover of a conventional small-diameter oil well pump, particularly the thickness of the valve cover is small, so that the upper oil outlet valve cover is easy to break, and further normal production is influenced;
3. the conventional small-diameter traveling valve cover is arranged outside, a downstream valve is omitted, the clearance volume is too large, and the valve is only suitable for the working condition with large submergence;
4. the inconvenient installation of shunt is dismantled, has caused the inconvenient problem of maintenance in later stage.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a solid plunger minor diameter oil-well pump of gas-liquid replacement formula possesses and has guaranteed plunger even running, has prolonged advantages such as life, has solved foretell problem.
(II) technical scheme
The utility model provides a following technical scheme: a gas-liquid displacement type solid plunger small-diameter oil well pump comprises a pump body, wherein a displacement cavity is arranged on the left side of the pump body, a clamping seat is arranged on the upper surface of the displacement cavity in an inserting mode, lug plates are fixedly connected to the left side surface and the right side surface of the clamping seat, threaded pins are connected to the upper surfaces of the two lug plates in a threaded mode, two threaded holes are formed in the outer surfaces of the threaded pins and the displacement cavity, the threaded pins are in threaded connection with the threaded holes, a flow divider is connected to the lower surface of the clamping seat, a group of flow guide holes are formed in the outer surface of the flow divider, a groove block is fixedly connected to the bottom wall inside the displacement cavity, the bottom end of the flow divider penetrates through and extends to the inside of the groove block, a telescopic rod is fixedly connected to the left side wall inside the groove block, a spring is sleeved on the outer surface of, the left side of the pump body is provided with a plunger in an inserting mode, the outer surface of the displacement cavity is fixedly provided with an oil outlet valve assembly, and the oil outlet valve assembly is located on the right side of the flow divider.
Preferably, the projection of the cross section of the clamping seat is in a concave shape.
Preferably, the number of the diversion holes is five, the diversion holes are distributed on the outer surface of the flow divider along a circle, and the diversion holes are designed in an oblique angle mode.
Preferably, the outer surface of the oil outlet valve assembly is provided with an oil outlet valve cover, the oil outlet valve cover is a closed valve cover, and the oil outlet valve cover adopts a large-flow-channel ball chamber structure.
Preferably, a friction pad is fixedly connected to the right side wall inside the groove block, and a friction block is arranged on the lower surface of the triangular plate.
(III) advantageous effects
Compared with the prior art, the utility model provides a solid plunger minor diameter oil-well pump of gas-liquid replacement formula possesses following beneficial effect:
(1) this solid plunger minor diameter oil-well pump of gas-liquid replacement formula, when using, insert the shunt in the recess piece, under the spring action of spring, the telescopic link drives the tight separator of set-square clamp, links to each other the top that is in the separator with the recess of cassette, through the threaded pin, with otic placode and screw hole threaded connection, plays the effect of easy to assemble dismantlement to reach the purpose of making things convenient for later stage maintenance to change.
(2) According to the gas-liquid displacement type solid plunger small-diameter oil well pump, the gas-liquid displacement device is additionally arranged on the basis of the solid plunger pump, so that the gas-liquid ratio in a pump cavity is reduced, the discharge of escaping gas of crude oil is promoted, the pump efficiency is improved, and the adaptability to the working conditions of a low-yield oil well such as low submergence, insufficient production and the like is enhanced; meanwhile, the gas-liquid exchange device can play a role in righting the pump barrel and the plunger, so that the plunger is ensured to stably run, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention;
fig. 3 is an enlarged view of the structure B in fig. 1 according to the present invention;
fig. 4 is a side view of the diverter of the present invention.
In the figure: the oil pump comprises a pump body 1, a displacement cavity 2, a clamping seat 3, an ear plate 4, a threaded pin 5, a threaded hole 6, a flow divider 7, a flow guide hole 8, a groove block 9, a telescopic rod 10, a spring 11, a triangle plate 12, a plunger 13, an oil outlet valve assembly 14 and an oil outlet valve cover 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a gas-liquid displacement solid plunger small-diameter oil well pump comprises a pump body 1, the pump body 1 is a solid plunger pump, a displacement cavity 2 is arranged on the left side of the pump body 1, a clamping seat 3 is inserted and arranged on the upper surface of the displacement cavity 2, lug plates 4 are fixedly connected to the left side surface and the right side surface of the clamping seat 3, threaded pins 5 are respectively connected to the upper surfaces of the two lug plates 4 through threads, two threaded holes 6 are respectively formed in the outer surfaces of the threaded pins 5 and the displacement cavity 2, the threaded pins 5 are in threaded connection with the threaded holes 6, a flow divider 7 is connected to the lower surface of the clamping seat 3, a group of flow guide holes 8 are formed in the outer surface of the flow divider 7, a groove block 9 is fixedly connected to the bottom wall inside the displacement cavity 2, the bottom end of the flow divider 7 penetrates and extends into the groove block 9, a telescopic, one end fixedly connected with set-square 12 of the recess piece 9 of keeping away from of telescopic link 10, the left side of the pump body 1 alternates and is provided with plunger 13, the surface in replacement chamber 2 sets firmly is provided with oil outlet valve assembly 14, oil outlet valve assembly 14 is located the right-hand of shunt 7, separate with the plunger, make the plunger diameter not restricted by oil outlet valve structure size, also along with the plunger, down motion simultaneously, avoided the oil outlet valve to receive the influence of the interior partial friction force of the pump body and liquid dynamic load, the whole life-span of oil outlet valve has been prolonged, the pump body 1, replace chamber 2, shunt 7, water conservancy diversion hole 8, oil outlet valve assembly 14 and the oil outlet valve cover 15 constitution gas-liquid replacement device.
Furthermore, the projection of the cross section of the clamping seat 3 is in a concave shape, so that the effect of conveniently connecting the clamping seat with the shunt 7 is achieved.
Furthermore, the number of the diversion holes 8 is five, and the diversion holes 8 are distributed on the outer surface of the flow divider 7 along a circle, and the diversion holes 8 are designed in an oblique angle mode, so that the diversion performance is maximized. In order to reduce the manufacturing difficulty of the bevel diversion hole 8, the outer wall through hole can be sealed in an injection welding mode after the bevel hole is processed, and the processing cost of single piece small batch production can be reduced.
Further, an oil outlet valve cover 15 is arranged on the outer surface of the oil outlet valve assembly 14, the oil outlet valve cover 15 is a closed valve cover, and the oil outlet valve cover 15 adopts a large-flow-channel ball chamber structure, so that the guidance performance and the good process of the oil outlet valve are ensured.
Furthermore, a friction pad is fixedly connected to the right side wall inside the groove block 9, and a friction block is arranged on the lower surface of the triangular plate 12.
In conclusion, when the gas-liquid replacement type solid plunger small-diameter oil well pump is used, the flow divider 7 is inserted into the groove block 9, the telescopic rod 10 drives the triangular plate 12 to clamp the separator 7 tightly under the action of the elastic force of the spring 11, the groove of the clamping seat 3 is positioned at the top end of the separator 7 and connected with the top end of the separator 7, the lug plate 4 is in threaded connection with the threaded hole 6 through the threaded pin 5, the effect of facilitating mounting and dismounting is achieved, and the purpose of facilitating later maintenance and replacement is achieved.
According to the gas-liquid displacement type solid plunger small-diameter oil well pump, the gas-liquid displacement device is additionally arranged on the basis of the solid plunger pump, so that the gas-liquid ratio in a pump cavity is reduced, the discharge of escaping gas of crude oil is promoted, the pump efficiency is improved, and the adaptability to the working conditions of a low-yield oil well such as low submergence, insufficient production and the like is enhanced; meanwhile, the gas-liquid exchange device can play a role in righting the pump barrel and the plunger 13, so that the plunger 13 is ensured to stably operate, and the service life is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a solid plunger minor diameter oil-well pump of gas-liquid replacement formula, includes pump body (1), its characterized in that: a replacement cavity (2) is arranged on the left side of the pump body (1), a clamping seat (3) is arranged on the upper surface of the replacement cavity (2) in an inserting mode, lug plates (4) are fixedly connected to the left side surface and the right side surface of the clamping seat (3), threaded pins (5) are connected to the upper surfaces of the two lug plates (4) in a threaded mode, two threaded holes (6) are formed in the outer surfaces of the threaded pins (5) and the replacement cavity (2), the threaded pins (5) are in threaded connection with the threaded holes (6), a flow divider (7) is connected to the lower surface of the clamping seat (3), a set of flow guide holes (8) are formed in the outer surface of the flow divider (7), a groove block (9) is fixedly connected to the bottom wall inside the replacement cavity (2), the bottom end of the flow divider (7) penetrates through and extends to the inside of the groove block (9), and a telescopic rod (10) is fixedly connected to the left side, the outward appearance cover of telescopic link (10) is equipped with spring (11), keeping away from of telescopic link (10) the one end fixedly connected with set-square (12) of groove piece (9), the left surface interlude of the pump body (1) is provided with plunger (13), the surface in replacement chamber (2) sets firmly and is provided with oil outlet valve assembly (14), oil outlet valve assembly (14) are located the right-hand of shunt (7).
2. The gas-liquid displacement type solid plunger small-diameter oil well pump according to claim 1, characterized in that: the projection of the cross section of the clamping seat (3) is in a concave shape.
3. The gas-liquid displacement type solid plunger small-diameter oil well pump according to claim 1, characterized in that: the number of the diversion holes (8) is five, the diversion holes are distributed on the outer surface of the flow divider (7) along a circle, and the diversion holes (8) are designed in an oblique angle mode.
4. The gas-liquid displacement type solid plunger small-diameter oil well pump according to claim 1, characterized in that: the outer surface of the oil outlet valve assembly (14) is provided with an oil outlet valve cover (15), the oil outlet valve cover (15) is a closed valve cover, and the oil outlet valve cover (15) adopts a large-flow-channel ball chamber structure.
5. The gas-liquid displacement type solid plunger small-diameter oil well pump according to claim 1, characterized in that: the right side wall inside the groove block (9) is fixedly connected with a friction pad, and the lower surface of the triangular plate (12) is provided with the friction block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956062.4U CN211314516U (en) | 2019-11-13 | 2019-11-13 | Gas-liquid displacement type solid plunger small-diameter oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956062.4U CN211314516U (en) | 2019-11-13 | 2019-11-13 | Gas-liquid displacement type solid plunger small-diameter oil well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314516U true CN211314516U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921956062.4U Active CN211314516U (en) | 2019-11-13 | 2019-11-13 | Gas-liquid displacement type solid plunger small-diameter oil well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314516U (en) |
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2019
- 2019-11-13 CN CN201921956062.4U patent/CN211314516U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230719 Address after: 457000 south of 200m east of the intersection of Jintian road and national highway 106, Puyang City, Henan Province Patentee after: Puyang Yufei Petroleum Machinery Equipment Co.,Ltd. Address before: 457000 west section of the Yellow River Road, Henan, Puyang Patentee before: HENAN SHUANGFA PETROLEUM EQUIPMENT MANUFACTURING Corp. |
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| TR01 | Transfer of patent right |