CN214366770U - Sleeve type high-liquid-inlet-pressure conveying electric submersible pump - Google Patents
Sleeve type high-liquid-inlet-pressure conveying electric submersible pump Download PDFInfo
- Publication number
- CN214366770U CN214366770U CN202120578359.2U CN202120578359U CN214366770U CN 214366770 U CN214366770 U CN 214366770U CN 202120578359 U CN202120578359 U CN 202120578359U CN 214366770 U CN214366770 U CN 214366770U
- Authority
- CN
- China
- Prior art keywords
- rod
- pipe
- pressure
- movable
- submersible pump
- 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)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a bushing type high liquid inlet pressure conveying electric submersible pump, which comprises a bushing, a connecting plate, a supercharging device, a connecting pipe, an oil submersible motor, a protector, an oil-gas separator and a pump body, wherein the supercharging device is arranged, the supercharging worm gear is arranged at the top of the supercharging device, a control valve is arranged at the bottom of the supercharging device, the control valve is of a one-way valve structure, when the output pressure of the supercharging worm gear is larger than the internal pressure of the bushing, the control valve is automatically opened to supercharge the internal part of the pump body, the liquid inlet pressure of the oil submersible pump is increased, the internal pressure relief of the bushing is avoided, a movable support rod is arranged at the bottom of a sealing plate of the control valve to support the sealing plate, the downward movement of the sealing plate is controlled by an electric push rod, the opening of the control valve is further controlled, when the internal pressure of the pump body is overlarge, the internal part of the pump body is rapidly relieved, the pressure relief speed is increased, and the damage of the excessive pressure inside the pump body is avoided.
Description
Technical Field
The utility model relates to an electric submersible pump correlation field specifically is a high inlet liquid pressure's of bushing type transport electric submersible pump.
Background
In the process of exploiting the offshore oil field, the oil in the oil well needs to be pumped out by using the electric submersible pump, the electric submersible pump is used as an artificial oil extraction mode which is mature day by day, and the electric submersible pump has the advantages of large lift range, large power, strong adaptability and long service life, is widely applied to the exploitation of the offshore oil platform, and along with the completion of discovery and continuous oil production of the easily exploited oil field, the exploited oil field is more and more in types, and the underground and ground environment is more and more complex.
The liquid inlet pressure of the existing electric submersible pump depends on the driving power of the submersible motor, when the liquid inlet pressure of the electric submersible pump needs to be increased, the power of the submersible motor needs to be greatly increased, the loss of electric quantity is greatly increased, and the submersible motor is easily damaged.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned deficiency, the present invention provides a bushing type high inlet pressure submersible pump for transportation.
The utility model discloses a realize like this, construct a bushing type high feed liquor pressure's transport electric submersible pump, the device include sleeve pipe and supercharging device, the sleeve pipe top is connected with the connecting plate, the inside right side of connecting plate is fixed with supercharging device, the supercharging device bottom is connected with the sleeve pipe through the connecting pipe, supercharging device includes shell, filter screen, pressure boost worm wheel and control valve, the shell top covers there is the filter screen, shell internally mounted has the pressure boost worm wheel, shell bottom and control valve threaded connection, the control valve bottom is run through the sleeve pipe through the connecting pipe and is connected with the pump body.
The inside bottom of sleeve pipe is provided with latent oily motor, it is connected with the protector to dive oily motor top, oil and gas separator is installed on the protector top, the oil and gas separator top is connected with the pump body, the pump body top is connected with the check valve through the pipe, the check valve top and the oil discharge valve, the oil discharge valve top is connected with the relief valve through pipe through cable packer, the inside left side embedding of cable packer has the bleed valve, the cable packer outside and sleeve pipe fixed connection, pressure sensor and level sensor have been installed from top to bottom in proper order in the inside left side of sleeve pipe.
The control valve comprises a valve body, a sealing plate, a movable supporting rod, a fixed rod, a connecting rod and an electric push rod, wherein the sealing plate is arranged at the top end inside the valve body, the bottom end of the sealing plate is in threaded locking with the movable supporting rod, the outer side of the movable supporting rod is welded with the fixed rod, the outer side of the fixed rod is welded with the valve body, the bottom end of the right side of the movable supporting rod is connected with one end of the connecting rod in a rotating mode through a rotating shaft, the other end of the connecting rod is connected with the electric push rod in a rotating mode through a rotating shaft, the outer side of the left end of the electric push rod is in threaded locking with the valve body through a bolt, the top end of the valve body is in threaded locking with a shell, and the bottom end of the valve body is connected with the pump body through a connecting pipe penetrating sleeve.
The movable support rod comprises a limiting pipe, a movable pipe, a sliding block, a polished rod and a spring, wherein the movable pipe penetrates through the bottom end inside the limiting pipe, the sliding block is embedded into the movable pipe, the bottom end of the polished rod stretches into the movable pipe and is welded with the sliding block, the spring is sleeved on the outer side of the polished rod, the top end of the polished rod is locked with the thread of the sealing plate, the top end of the movable pipe is elastically connected with the sealing plate through the spring, the outer side of the limiting pipe is welded with the fixed rod, and the bottom end of the right side of the movable pipe is rotatably connected with the connecting rod through a rotating shaft.
The connecting rod is straight rod-shaped, and the connecting rod inclines upwards from left to right.
The inner wall of the top end of the movable tube is attached to the polish rod, and the outer diameter of the sliding block is larger than that of the polish rod.
The surface of the sliding block is smooth, and the inner wall of the movable pipe is attached to the sliding block.
The surface of the movable pipe is smooth, and the inner wall of the limiting pipe is attached to the movable pipe.
The sealing plate is made of nitrile rubber.
The sliding block is made of stainless steel.
The utility model has the advantages of as follows: the utility model discloses an improve and provide a high inlet fluid pressure's of bushing type transport electric submersible pump here, compare with equipment of the same type, have following improvement:
a bushing type high feed liquor pressure's transport electric submersible pump, through having set up supercharging device, the supercharging device top is provided with the pressure boost worm wheel, and set up the control valve in the supercharging device bottom, the control valve is the check valve structure, when pressure boost worm wheel output pressure is greater than the intraductal pressure of cover, the control valve is automatic to be opened, carry out the pressure boost to the internal portion of pump, increase the feed liquor pressure of submersible pump, and avoid the inside release of cover, through having set up the activity bracing piece in the closing plate bottom of control valve, support the closing plate through the activity bracing piece, and move down through electric putter to the closing plate and control, and then control opening of control valve, when the internal pressure of pump is too big, carry out the quick release to the internal portion of pump, increase its release speed, avoid the too big damage of the internal pressure of pump.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the inner structure of the casing according to the present invention;
FIG. 3 is a schematic structural view of the supercharging device of the present invention;
fig. 4 is a sectional view of the internal structure of the control valve of the present invention;
fig. 5 is a sectional view of the internal structure of the movable support rod of the present invention.
Wherein: the device comprises a casing pipe-1, a connecting plate-2, a pressurizing device-3, a connecting pipe-4, a submersible motor-5, a protector-6, an oil-gas separator-7, a pump body-8, a check valve-9, an oil discharge valve-10, a cable packer-11, a safety valve-12, a vent valve-13, a pressure sensor-14, a liquid level sensor-15, a shell-31, a filter screen-32, a pressurizing worm gear-33, a control valve-34, a valve body-341, a sealing plate-342, a movable supporting rod-343, a fixed rod-344, a connecting rod-345, an electric push rod-346, a limiting pipe-3431, a movable pipe-3432, a sliding block-3433, a polished rod-3434 and a spring-3435.
Detailed Description
The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides a sleeve type high inlet pressure transmission submersible pump, which comprises a sleeve 1 and a pressurizing device 3, wherein the top end of the sleeve 1 is connected with a connecting plate 2, the right side inside the connecting plate 2 is fixed with the pressurizing device 3, the bottom end of the pressurizing device 3 is connected with a pump body 8 through a connecting pipe 4 penetrating the sleeve 1, the bottom end inside the sleeve 1 is provided with an oil-submersible motor 5, the top end of the oil-submersible motor 5 is connected with a protector 6, the top end of the protector 6 is provided with an oil-gas separator 7, the top end of the oil-gas separator 7 is connected with the pump body 8, the top end of the pump body 8 is connected with a check valve 9 through a conduit, the top end of the check valve 9 is connected with an oil discharge valve 10, the top end of the oil discharge valve 10 is connected with a safety valve 12 through a conduit penetrating a cable packer 11, a release valve 13 is embedded in the left side inside the cable packer 11, the outer side of the cable packer 11 is fixedly connected with the sleeve 1, the left side in the sleeve 1 is provided with a pressure sensor 14 and a liquid level sensor 15 from top to bottom in sequence.
Referring to fig. 3, the present invention provides a sleeve type high inlet pressure submersible pump, wherein the pressurizing device 3 includes a housing 31, a filter screen 32, a pressurizing worm wheel 33 and a control valve 34, the top end of the housing 31 is covered with the filter screen 32, the pressurizing worm wheel 33 is installed inside the housing 31, the bottom end of the housing 31 is in threaded connection with the control valve 34, and the bottom end of the control valve 34 is connected with the pump body 8 by passing through the sleeve 1 through the connecting pipe 4.
Referring to fig. 4, the present invention provides a sleeve type high inlet pressure submersible pump, wherein the control valve 34 comprises a valve body 341, a sealing plate 342, a movable support rod 343, a fixed rod 344, a connecting rod 345 and an electric push rod 346, the sealing plate 342 is disposed at the top end inside the valve body 341, the bottom end of the sealing plate 342 is screwed with the movable support rod 343, the outer side of the movable support rod 343 is welded with the fixed rod 344, the outer side of the fixed rod 344 is welded with the valve body 341, the bottom end of the right side of the movable support rod 343 is rotatably connected with one end of the connecting rod 345 through a rotating shaft, the other end of the connecting rod 345 is rotatably connected with the electric push rod 346 through a rotating shaft, the outer side of the left end of the electric push rod 346 is screwed with the valve body 341, the top end of the valve body 341 is screwed with the housing 31, the bottom end of the valve body 341 penetrates through the sleeve 1 through the connecting pipe 4 to be connected with the pump body 8, the connecting rod 345 is in a straight rod shape, and the connecting rod 345 is inclined upward from left to right, when the electric push rod 346 pushes the connecting rod 345 leftwards, the connecting rod 345 pulls the movable pipe 3432 downwards, the sealing plate 342 is made of nitrile rubber, the sealing effect is good, and the extrusion resistance is high.
Referring to fig. 5, the present invention provides a telescopic high liquid inlet pressure submersible pump, wherein the movable support rod 343 includes a position-limiting tube 3431, a movable tube 3432, a sliding block 3433, a polish rod 3434 and a spring 3435, the movable tube 3432 penetrates through the position-limiting tube 3431, the sliding block 3433 is embedded inside the movable tube 3432, the bottom end of the polish rod 3434 extends into the movable tube 3432 and is welded to the sliding block 3433, the spring 3435 is sleeved outside the polish rod 3434, the top end of the polish rod 3434 is screwed to the sealing plate 342, the top end of the movable tube 3432 is elastically connected to the sealing plate 342 through the spring 3435, the outside of the position-limiting tube 3431 is welded to the fixing rod 344, the bottom end of the movable tube 3432 is rotatably connected to the connecting rod 345 through a rotating shaft, the inner wall of the top end of the movable tube 3432 is attached to the polish rod 3434, and the outer diameter of the sliding block 3433 is larger than that of the polish rod 3434, so that the movable tube 3432 moves downward to drive the sliding block 33 to move the polish rod 3434 and the sealing plate 342 downward, the surface of the sliding block 3433 is smooth, the inner wall of the movable tube 3432 is attached to the sliding block 3433, the sliding block 3433 slides along the inner wall of the movable tube 3432 to limit the moving track of the sliding block 3433, the surface of the movable tube 3432 is smooth, the inner wall of the limiting tube 3431 is attached to the movable tube 3432 to limit the moving track of the movable tube 3432, and the sliding block 3433 is made of stainless steel, has high hardness and is not easy to rust.
The utility model provides a sleeve type high liquid inlet pressure conveying electric submersible pump through improvement, and the working principle is as follows;
firstly, before use, the device is firstly installed into a required oil well, and the top end of the connecting plate 2 is connected with wellhead equipment;
secondly, when the oil extraction device is used, the submersible motor 5 is driven to drive the pump body 8, the internal pressure of the casing 1 is increased through the pump body 8, and an oil layer at the bottom of an oil well is extracted;
thirdly, when the liquid inlet pressure of the submersible pump needs to be increased, the control valve 34 is increased by controlling the driving of the booster worm wheel 33 and driving the booster worm wheel 33, when the pressure of the booster worm wheel 33 is greater than the internal pressure of the sleeve 1, the sealing plate 342 pushes the polish rod 3434 and extrudes the spring 3435 to move downwards, so that the top end of the valve body 341 is opened, the internal part of the pump body 8 is pressurized through the connecting pipe 4, the liquid inlet pressure of the submersible pump is increased, and the internal pressure relief of the pump body 8 is avoided;
fourthly, when the pressure inside the pump body 8 is too high, the electric push rod 346 is controlled to extend, the connecting rod 345 inclines upwards from left to right, when the electric push rod 346 pushes the connecting rod 345 leftwards, the connecting rod 345 pulls the movable tube 3432 downwards, and the inner wall of the limiting tube 3431 is attached to the movable tube 3432 due to the smooth surface of the movable tube 3432, so that the moving track of the movable tube 3432 is limited, the movable tube 3432 vertically moves downwards, the inner wall of the top end of the movable tube 3432 is attached to the polish rod 3434, the outer diameter of the slide block 3433 is larger than that of the polish rod 3434, the movable tube 3432 moves downwards to drive the slide block 3433 to move downwards, the polish rod 3434 and the sealing plate 342 are driven to move downwards, the control valve 34 is opened, the pressure inside the pump body 8 is quickly released, the pressure releasing speed is increased, and the damage caused by the too high pressure inside the pump body 8 is avoided.
The utility model provides a bushing type high inlet pressure electric submersible pump for conveying, through setting up supercharging device 3, supercharging worm wheel 33 is set on the top of supercharging device 3, and control valve 34 is set on the bottom of supercharging device 3, control valve 34 is one-way valve structure, when the output pressure of supercharging worm wheel 33 is greater than the internal pressure of bushing 1, control valve 34 is automatically opened, the internal of pump body 8 is supercharged, the inlet pressure of submersible pump is increased, and the internal pressure relief of bushing 1 is avoided, through setting up movable support bar 343 on the bottom of seal plate 342 of control valve 34, seal plate 342 is supported through movable support bar 343, and the downward movement of seal plate 342 is controlled through electric push rod 346, and then the opening of control valve 34 is controlled, when the internal pressure of pump body 8 is too large, the internal pressure of pump body 8 is rapidly relieved, and the pressure relief speed is increased, avoid the damage of pump body 8 internal pressure too big.
The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A sleeve type high-liquid-inlet-pressure conveying electric submersible pump comprises a sleeve (1), wherein the top end of the sleeve (1) is connected with a connecting plate (2);
the method is characterized in that: still include supercharging device (3), the inside right side of connecting plate (2) is fixed with supercharging device (3), supercharging device (3) bottom is run through sleeve pipe (1) through connecting pipe (4) and is connected with the pump body (8), supercharging device (3) are including shell (31), filter screen (32), pressure boost worm wheel (33) and control valve (34), shell (31) top covers has filter screen (32), shell (31) internally mounted has pressure boost worm wheel (33), shell (31) bottom and control valve (34) threaded connection, control valve (34) bottom is run through sleeve pipe (1) through connecting pipe (4) and is connected with the pump body (8).
2. The telescopic high-inlet-pressure conveying submersible pump as claimed in claim 1, wherein: the utility model discloses a cable packer, including casing (1), inside bottom of casing (1) is provided with oily motor (5), oily motor (5) top is connected with protector (6), oil and gas separator (7) are installed on protector (6) top, oil and gas separator (7) top is connected with pump body (8), pump body (8) top is connected with single current valve (9) through the pipe, single current valve (9) top and unload fuel tap (10), unload fuel tap (10) top and run through cable packer (11) through the pipe and be connected with relief valve (12), the inside left side embedding of cable packer (11) has bleed valve (13), cable packer (11) outside and casing (1) fixed connection, pressure sensor (14) and level sensor (15) are installed from top to bottom in proper order in casing (1) inside left side.
3. The telescopic high-inlet-pressure conveying submersible pump as claimed in claim 1, wherein: the control valve (34) comprises a valve body (341), a sealing plate (342), a movable supporting rod (343), a fixed rod (344), a connecting rod (345) and an electric push rod (346), a sealing plate (342) is arranged at the top end inside the valve body (341), the bottom end of the sealing plate (342) is locked with the movable supporting rod (343) through threads, the outer side of the movable supporting rod (343) is welded with the fixed rod (344), the outer side of the fixed rod (344) is welded with the valve body (341), the bottom end of the right side of the movable supporting rod (343) is rotatably connected with one end of a connecting rod (345) through a rotating shaft, and the other end of the connecting rod (345) is rotationally connected with the electric push rod (346) through a rotating shaft, and the outer side of the left end of the electric push rod (346) is mutually locked with the valve body (341) through a bolt, the top end of the valve body (341) is locked with the shell (31) in a threaded mode, and the bottom end of the valve body (341) penetrates through the sleeve (1) through the connecting pipe (4) to be connected with the pump body (8).
4. A telescopic high inlet pressure submersible pump according to claim 3, wherein: the movable supporting rod (343) comprises a limiting pipe (3431), a movable pipe (3432), a sliding block (3433), a polish rod (3434) and a spring (3435), the movable pipe (3432) penetrates through the bottom end inside the limiting pipe (3431), the sliding block (3433) is embedded inside the movable pipe (3432), the bottom end of the polish rod (3434) extends into the movable pipe (3432) and is welded with the sliding block (3433), the spring (3435) is sleeved outside the polish rod (3434), the top end of the polish rod (3434) is locked with a sealing plate (342) in a threaded mode, the top end of the movable pipe (3432) is elastically connected with the sealing plate (342) through the spring (3435), the outside of the limiting pipe (3431) is welded with the fixing rod (344), and the bottom end of the right side of the movable pipe (3432) is rotatably connected with a connecting rod (345) through a rotating shaft.
5. A telescopic high inlet pressure submersible pump according to claim 3, wherein: the connecting rod (345) is in a straight rod shape, and the connecting rod (345) inclines upwards from left to right.
6. The telescopic high-inlet-pressure conveying submersible pump as claimed in claim 4, wherein: the inner wall of the top end of the movable pipe (3432) is attached to the polish rod (3434), and the outer diameter of the sliding block (3433) is larger than that of the polish rod (3434).
7. The telescopic high-inlet-pressure conveying submersible pump as claimed in claim 4, wherein: the surface of the sliding block (3433) is smooth, and the inner wall of the movable pipe (3432) is attached to the sliding block (3433).
8. The telescopic high-inlet-pressure conveying submersible pump as claimed in claim 4, wherein: the surface of the movable pipe (3432) is smooth, and the inner wall of the limiting pipe (3431) is attached to the movable pipe (3432).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578359.2U CN214366770U (en) | 2021-03-22 | 2021-03-22 | Sleeve type high-liquid-inlet-pressure conveying electric submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578359.2U CN214366770U (en) | 2021-03-22 | 2021-03-22 | Sleeve type high-liquid-inlet-pressure conveying electric submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214366770U true CN214366770U (en) | 2021-10-08 |
Family
ID=77973416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120578359.2U Active CN214366770U (en) | 2021-03-22 | 2021-03-22 | Sleeve type high-liquid-inlet-pressure conveying electric submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214366770U (en) |
-
2021
- 2021-03-22 CN CN202120578359.2U patent/CN214366770U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5143153A (en) | Rotary oil well pump and sucker rod lift | |
| CA2750337A1 (en) | Hydraulic oil well pumping apparatus | |
| CN110344787A (en) | A kind of pumping unit system with multistage steam injection packer accessory | |
| US5336061A (en) | Solar powered relatively balanced pumping system | |
| US5873411A (en) | Double acting reciprocating piston pump | |
| CN214366770U (en) | Sleeve type high-liquid-inlet-pressure conveying electric submersible pump | |
| CN110939426B (en) | Centrifugal separation mechanism and co-well injection and production device using same | |
| CN106014910B (en) | Combined type double acting rod-type pumping unit and its oil production method | |
| US7007751B2 (en) | Apparatus for extracting oil or other fluids from a well | |
| CN201606228U (en) | Plunger type diaphragm pump of submersible motor | |
| CN205189836U (en) | Liquid drives screw pump oil production equipment | |
| US20020166662A1 (en) | Apparatus for extracting oil or other fluids from a well | |
| CN201078219Y (en) | Beam pumping unit drive type hydraulic oil pumping system without pole | |
| CN204663500U (en) | A kind of automatic intermittent CBM Drainage aquatic products device of air | |
| CN111764870B (en) | Offshore oilfield throwing and fishing hydraulic drive reciprocating pump lifting device and operation method thereof | |
| AU2013336649A1 (en) | Wireline pump | |
| CN208168853U (en) | The liquid drive beam pumping unit of liquid drive beam pumping unit and more well joint controls | |
| CN2251634Y (en) | Hydrodynamic deep oil-well pump | |
| CN104863548A (en) | Automatic intermittent coalbed methane water draining and gas producing device | |
| CN201184288Y (en) | Oil-submersible electric membrane pump | |
| CN220081401U (en) | Movable cylinder type oil pumping device | |
| CN201090418Y (en) | Hydraulic pressure-driven gear oil well pump | |
| CN103510923A (en) | Magnetic suspension machine-pump integrated underground oil extraction device | |
| CN2403917Y (en) | Oil well casting pump with free plunger lifting the fluid to the surface | |
| CN2398442Y (en) | Negative-pressure pulse deep well oil production pump device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |