CN217602895U

CN217602895U - Gas anchor device of electric submersible pump

Info

Publication number: CN217602895U
Application number: CN202221143703.6U
Authority: CN
Inventors: 李国良; 余建云; 余华; 王国荣; 余玉钦; 李福蛟
Original assignee: Ruian Petrochemical Machinery Factory
Current assignee: Ruian Petrochemical Machinery Factory
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-18
Anticipated expiration: 2032-05-12

Abstract

The utility model relates to an oil field engineering technical field specifically is an oily charge pump gas anchor device dives, including riser and shell body, the inside of shell body is equipped with the oil pocket, be equipped with a plurality of dashpots on the outer wall of shell body, the inside of dashpot is equipped with the fixed block, the inner of fixed block is equipped with the spring, the inside of shell body is equipped with the inner chamber with the dashpot intercommunication, the inside of inner chamber is equipped with interior pole, the output of riser is equipped with the lifter, the lifter is connected on the top of interior pole, be equipped with a plurality of transmission blocks on the interior pole, the second inclined plane department that first inclined plane on the transmission block can be on the fixed block descends to make the fixed block remove to the outside of shell body in the inside of dashpot, the spring is tensile state this moment, and in this moment the ground of shell body week can be pricked to the fixed block to make the shell body install in the underground more firmly, and then improved the stability of this structure when using.

Description

Gas anchor device of electric submersible pump

Technical Field

The utility model relates to an oil field engineering technical field specifically is an oily charge pump gas anchor device dives.

Background

As is known, the electric submersible pump consists of three parts, namely a downhole part, a ground part and a middle part connecting the downhole part and the ground, wherein the downhole part is a main unit of the electric submersible pump, consists of a multistage centrifugal pump, a protector and an electric submersible motor and plays a main role in pumping oil. The arrangement method is that the multi-stage centrifugal pump is on the top, the protector is in the middle, the submersible motor is under the bottom, the shafts of the three are connected by splines, and the shells of the three are connected by flanges. Some submersible motors are also equipped with bottom pressure detector at the bottom to measure the bottom pressure and liquid level up-down condition and send the signal to the ground control instrument. The ground part consists of a control screen, a transformer and auxiliary equipment (a cable roller, a guide wheel, a wellhead support, a hanging pad and the like). The control screen can control the operation of the electric submersible pump by a manual or automatic switch, simultaneously protect the electric submersible motor and prevent the short circuit of a motor-cable system and the overload of the motor, and the transformer is used for increasing the voltage of a power grid (380V) to the calculated voltage (considering the voltage drop in the cable) required by the work of the motor. The auxiliary equipment comprises auxiliary tools and equipment for transporting, installing and operating the electric submersible pump.

The existing electric submersible pump is not firm when being fixed underground, has no auxiliary fixing device, is poor in stability when being used, can cause the instability of the outer shell underground, and is low in practicability.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides an oily charge pump gas anchor device dives.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oily charge pump gas anchor device dives, includes riser and shell body, the inside of shell body is equipped with the oil pocket, the inside from the bottom up of oil pocket is equipped with down-hole sensor, oily motor module and protection module in proper order, the bottom of shell body is equipped with the bottom tube, be equipped with a plurality of inlet ports on the bottom tube, be equipped with a plurality of dashpots on the outer wall of shell body, the inside of dashpot is equipped with the fixed block, the inner of fixed block is equipped with the spring, the inside of shell body is equipped with the inner chamber with the dashpot intercommunication, the inside of inner chamber is equipped with interior pole, the output of riser is equipped with the lifter, the lifter is connected on the top of interior pole, be equipped with a plurality of driving blocks on the interior pole, the outside of driving block is equipped with first inclined plane, the inboard of fixed block is equipped with the second inclined plane, the second inclined plane on the first inclined plane laminating fixed block on the driving block.

In order to improve the practicality of this structure, the utility model discloses an improve and have, the fixed block is the toper structure, the transmission piece is the trapezium structure, through the screw fixation between the top of interior pole and the lifter.

In order to guarantee the leakproofness of dashpot department, the utility model discloses an improvement has, be equipped with sealed the pad on the inner wall of dashpot, sealed pad adopts silica gel.

In order to improve the service life of fixed block, the utility model discloses an improvement has, the material of transmission piece and fixed block is the steel.

(III) advantageous effects

Compared with the prior art, the utility model provides an oily charge pump gas anchor device dives possesses following beneficial effect:

this latent oily charge pump gas anchor device, when using, at first through outside lift, with the holistic subaerial of impressing of this structure, make the bottom tube be in the inside of underground oil level, further riser starts, here, because the actual length of shell body is very long, so the connecting pipe of shell body upper end has not been drawn in this structure, the assigned position in ground top is fixed to the riser, can make the lifter descend after the riser starts, the riser adopts hydraulic pressure riser here can, can make interior pole descend in the inside of inner chamber after the lifter descends, the driving block can descend this moment, first inclined plane on the driving block can descend in the second inclined plane department on the fixed block at this moment, thereby make the fixed block move to the outside of shell body in the inside of dashpot, the spring is tensile state this moment, at this moment, the fixed block can prick into the ground of shell body week side, thereby make the shell body install more firmly in the underground, and then improved the stability of this structure when using.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a portion A of the present invention shown in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the buffer tank of FIG. 1 according to the present invention;

in the figure: 1. an outer housing; 2. an oil chamber; 3. a bottom tube; 4. an oil inlet hole; 5. a downhole sensor; 6. a submersible motor module; 7. a protection module; 8. an inner cavity; 9. an inner rod; 10. a transmission block; 11. a buffer tank; 12. a fixed block; 13. a spring; 14. a lifter; 15. a lifting rod; 16. a first inclined plane; 17. a second inclined plane.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses an electrical submersible pump gas anchor device, including riser 14 and shell body 1, the inside of shell body 1 is equipped with oil pocket 2, the inside from the bottom up of oil pocket 2 is equipped with down-hole sensor 5, oily motor module 6 and protection module 7 in proper order, the bottom of shell body 1 is equipped with bottom tube 3, be equipped with a plurality of inlet ports 4 on the bottom tube 3, be equipped with a plurality of dashpots 11 on the outer wall of shell body 1, the inside of dashpot 11 is equipped with fixed block 12, the inner of fixed block 12 is equipped with spring 13, the inside of shell body 1 is equipped with inner tube 8 with dashpot 11 intercommunication, the inside of inner tube 8 is equipped with interior pole 9, the output of riser 14 is equipped with lifter 15, lifter 15 is connected to the top of interior pole 9, be equipped with a plurality of transmission blocks 10 on the interior pole 9, the outside of transmission block 10 is equipped with first inclined plane 16, the inboard of fixed block 12 is equipped with second inclined plane 17, first inclined plane 16 on the piece 10 is laminated on second inclined plane 17;

the outer shell 1, the underground sensor 5, the oil-submersible motor module 6 and the protection module 7 in the structure are all the internal structures of the existing oil-submersible electric pump, so that the structure is not required to be described too much, the underground sensor 5 is used for detecting the quality of oil products, the oil-submersible motor module 6 provides kinetic energy for the structure, so that the oil at the bottom of the outer shell 1 can rise along the inner wall of the oil cavity 2 to reach a specified pipeline, when in use, the structure is integrally pressed into the ground through an external lifter, so that the bottom pipe 3 is positioned inside the underground oil surface, the further lifter 14 is started, and because the actual length of the outer shell 1 is very long, a connecting pipe at the upper end of the outer shell 1 is not drawn in the structure, the lifter 14 is fixed at a specified position above the ground, and the lifter 15 can descend after the lifter 14 is started, the lifter 14 is a hydraulic lifter 14, the inner rod 9 can descend in the inner cavity 8 after the lifting rod 15 descends, the transmission block 10 descends at the moment, the first inclined surface 16 on the transmission block 10 descends on the second inclined surface 17 on the fixed block 12 at the moment, so that the fixed block 12 moves towards the outside of the outer shell 1 in the buffer groove 11, the spring 13 is in a stretching state at the moment, the fixed block 12 can be pricked into the ground on the peripheral side of the outer shell 1 at the moment, the outer shell 1 is installed more firmly underground, the stability of the structure in use is further improved, when the outer shell 1 needs to be integrally taken out underground, the lifter 14 controls the lifting rod 15 to reset, the inner rod 9 in the inner cavity 8 resets at the moment, the spring 13 resets at the moment, and the fixed block 12 enters the inner part of the buffer groove 11.

In order to make the more smooth ground of inserting of fixed block 12, the utility model discloses an improvement has, fixed block 12 is the toper structure, driving block 10 is the trapezium structure, through the screw fixation between the top of interior pole 9 and lifter 15.

This structure has soil to enter into the inside of dashpot 11 when using, so in order to guarantee the leakproofness of dashpot 11 department, the utility model discloses an improvement has, be equipped with sealed the pad on the inner wall of dashpot 11, sealed pad adopts silica gel.

In order to improve the life of fixed block 12, the utility model discloses an improvement has, transmission block 10 is the steel with the material of fixed block 12, and the hardness of steel is high, and corrosion resistance is strong.

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

1. An air anchor device of an electric submersible pump is characterized by comprising a lifter (14) and an outer shell (1), an oil cavity (2) is arranged inside the outer shell (1), an underground sensor (5), an oil-submersible motor module (6) and a protection module (7) are sequentially arranged inside the oil cavity (2) from bottom to top, a bottom pipe (3) is arranged at the bottom end of the outer shell (1), a plurality of oil inlet holes (4) are arranged on the bottom pipe (3), a plurality of buffer grooves (11) are arranged on the outer wall of the outer shell (1), a fixed block (12) is arranged in the buffer groove (11), a spring (13) is arranged at the inner end of the fixed block (12), an inner cavity (8) communicated with the buffer groove (11) is arranged in the outer shell (1), an inner rod (9) is arranged in the inner cavity (8), a lifting rod (15) is arranged at the output end of the lifter (14), the top end of the inner rod (9) is connected with a lifting rod (15), a plurality of transmission blocks (10) are arranged on the inner rod (9), a first inclined plane (16) is arranged on the outer side of the transmission block (10), a second inclined plane (17) is arranged on the inner side of the fixed block (12), the first inclined plane (16) on the transmission block (10) is attached to the second inclined plane (17) on the fixed block (12).

2. The electrical submersible pump gas anchor device according to claim 1, characterized in that the fixing block (12) is of a conical structure and the transmission block (10) is of a trapezoidal structure.

3. The gas anchor device of the electrical submersible pump according to claim 2, characterized in that the inner wall of the buffer tank (11) is provided with a sealing gasket.

4. The electrical submersible pump gas anchor apparatus of claim 3, wherein the gasket is made of silicone.

5. The gas anchor device of the electrical submersible pump according to claim 4, wherein the transmission block (10) and the fixing block (12) are both made of steel.

6. The gas anchor device of the electrical submersible pump according to claim 5, wherein the top end of the inner rod (9) is fixed to the lifting rod (15) by screws.