CN216477283U

CN216477283U - Automatic liquid extracting device for oil production well

Info

Publication number: CN216477283U
Application number: CN202220130063.9U
Authority: CN
Inventors: 唐守忠; 王继国; 隋迎章; 魏新磊; 齐晓晓; 赵田; 宋晓晶; 周宗延
Original assignee: China Petroleum and Chemical Corp; Sinopec Shengli Oilfield Co Gudao Oil Extraction Plant
Current assignee: China Petroleum and Chemical Corp; Sinopec Shengli Oilfield Co Gudao Oil Extraction Plant
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-05-10
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses an automatic liquid device of extracting of oil production well, the oil-well pump lower part is equipped with linear electric motor, and the linear electric motor lower part is equipped with upper fixing ring, lower fixing ring through fixing bolt connects, and lower fixing ring's lower part is equipped with carries the liquid pipe, and the inside of extract pipe is the echelonment structure, the symmetry is equipped with two spacing spouts on the inside both sides wall of carrying the liquid pipe, and the inside of two spacing spouts all is provided with spacing post, the inside of carrying the liquid pipe is provided with the piston valve rod, the lower extreme of piston valve rod is established to semi-circular, and piston valve rod upper portion is connected with linear electric motor shaft, is provided with the filter ring between two spacing spouts, and the bottom of carrying the liquid pipe is equipped with the flange, connects through fixing bolt. The utility model discloses a linear electric motor drives the periodic up-and-down reciprocating motion of piston valve rod, and the drive is crossed the filter ring vibrations, makes and filters frame impurity particle and drops, avoids impurity to block up the filter screen, reduces sand grain wearing and tearing oil-well pump, avoids the well of lying, makes the automatic extract of oil recovery production well, increases crude oil output.

Description

Automatic liquid extracting device for oil production well

Technical Field

The utility model relates to an oil field oil production engineering technical field especially relates to an automatic liquid device of extracting of oil recovery production well.

Background

During the exploitation process of an oil well, formation fluid continuously enters a shaft through a near wellbore area, formation loose micro particles enter passages such as formation pores along with the formation fluid, the micro particles are gradually accumulated at an inlet of an oil well pump to cause blockage along with the passage of time, sand entering the oil well pump causes abrasion of a traveling valve, a fixed valve and a plunger of the pump, the daily exploitation amount of a single well is correspondingly reduced, even a well is laid, the operation cost of the oil well is increased, and the normal production of the oil well is influenced.

A multifunctional liquid extracting device for underground use is disclosed in 202020475371.6, which comprises an upper connector, a screw, an oil-gas separator, a plug, a connector, a ball blocking valve, an upper shell, an upper telescopic block, a spacer ring, an accelerating one-way valve, a sealing ball seat, a lower shell, a counter-flushing seat, a lower telescopic block, a blocking ring and a vibration generator, wherein the upper connector is in threaded connection with the upper part of the screw, the outer end of the upper connector is in threaded connection with the upper part of the oil-gas separator, the upper connector, the screw and the oil-gas separator form an oil-gas separation cavity, the plug and the lower part of the screw are in threaded connection, blocking fluid passes through the inner cavity of the screw, the upper part of the connector is in threaded connection with the lower part of the ball blocking valve, the lower part of the connector is in threaded connection with the upper part of the upper shell, the ball blocking valve is in threaded connection with the inner end of the upper shell, a steel ball is placed in the inner cavity formed by the ball blocking valve, the upper shell and the accelerating one-way valve, and the steel ball is installed on the ball seat of the accelerating one-way valve, keep off the ball valve and block that the steel ball drops away from the inner chamber, go up flexible piece by the spacer ring evenly separate and inlay the distribution on last casing outer wall, go up the casing lower extreme and connect with casing upper end screw thread down, sealed ball seat welding is on shells inner wall down, offset seat upper portion and casing lower part screw thread down connect, the piece that contracts down is inlayed on offset seat outer wall, keep off the ring, the piece screw thread that contracts down connects, keep off fixed the piece that contracts down of ring in order to avoid the piece that contracts down to reciprocate, shock generator cup joints at offset seat outer wall.

However, the technical scheme still has at least the following defects: when the existing liquid extracting device is used, when crude oil passes through an oil pumping port of the liquid extracting device, because the crude oil contains more impurity particles, the micro particles are gradually accumulated to cause the blockage of an oil well pump inlet, and the normal production of an oil well is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems existing in the prior art and provides an automatic liquid extracting device for an oil production well.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a: the device comprises a connecting bolt, an oil well pump, a linear motor, an upper fixing ring, a lower fixing ring, a liquid lifting pipe, a piston valve rod, a limiting column, a spring, a filter ring, a filter frame, a flange and a fixing bolt; the method is characterized in that: the oil-well pump lower part is equipped with linear electric motor, and the linear electric motor lower part is equipped with upper fixed ring, the lower fixed ring through fixing bolt connection, and lower fixed ring's lower part is equipped with carries the liquid pipe, and the inside of liquid pipe is the echelonment structure, carry the symmetry on the inside both sides lateral surface of liquid pipe and be equipped with two spacing spouts, the inside of two spacing spouts all is provided with spacing post, the inside of carrying the liquid pipe is provided with the piston valve rod, the lower extreme of piston valve rod is established to semi-circle, and piston valve rod upper portion is connected with the linear electric motor axle, is provided with the filter ring between two spacing spouts, and the bottom of carrying the liquid pipe is equipped with the flange, connects through fixing bolt.

Further, it is trapezium structure to cross the filter ring cross section, and the both sides wall symmetry of filtering the ring is equipped with two connecting blocks, and the connecting block is vertical all to be equipped with the mounting hole, is equipped with "L" shape striking atress piece of handstand on the connecting block, and the distance between two striking atress pieces is less than the diameter of piston valve rod bottom rubber piece, is equipped with first through-hole at the central both sides wall symmetry of two connecting blocks of perpendicular to filter ring.

Furthermore, the mounting holes of the connecting blocks on the two sides of the filter ring are movably mounted on the limiting columns, and springs are sleeved on the upper limiting columns and the lower limiting columns of the connecting blocks.

Furthermore, the inside of crossing the filter ring is provided with crosses the filter frame, crosses the upper portion of filter frame and is equipped with and filters empty net, crosses the both sides wall symmetry of filter frame and is equipped with two screw thread through-holes, crosses first through-hole and is connected with screw thread through-hole through the bolt and installs in filtering the ring.

Furthermore, a second through hole is uniformly distributed around the flange, and two fixing blind holes with the diameter slightly larger than the limiting column are symmetrically arranged on the flange.

The utility model discloses an automatic liquid device of going up of oil recovery production well possesses following beneficial effect:

1. the utility model discloses when carrying out crude oil suction, when reciprocating the operation from top to bottom through linear electric motor drive piston valve rod periodicity, the drive is crossed the vibration of filter ring to the messenger is shaken by the separation at the impurity particle who crosses the filter frame surface and is fallen, avoids filter screen blocking.

2. The utility model discloses when the filter screen in the filter frame damages, conveniently change.

3. The utility model discloses when oil recovery production, can effectively avoid the sand grain to the traveling valve, the standing valve, the plunger wearing and tearing of oil-well pump, avoid the well of lying, reduce oil well operating cost, guarantee oil well normal production makes the automatic extract of oil recovery production well, increases crude oil production.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, proportion, size, etc. shown in the specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, but not for limiting the limit conditions which can be implemented by the utility model, so the practical significance in the technology is not provided, and the modification of any structure, the change of proportion relation or the adjustment of size are all still within the scope which can be covered by the technical content disclosed by the utility model under the condition of not influencing the efficacy which can be generated by the utility model and the purpose which can be achieved by the utility model.

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

FIG. 2 is a schematic view of the lower part of the present invention

FIG. 3 is an exploded view of the filter ring 10 of the present invention

Illustration of the drawings: 0. the oil pump comprises a connecting bolt, 1, an oil well pump, 2, a linear motor, 3, an upper fixing ring, 4, a lower fixing ring, 5, a liquid lifting pipe, 5-1, a threaded blind hole, 6, a piston valve rod, 7, a limiting chute, 8, a limiting column, 9, a spring, 10, a filter ring, 10-1, a first through hole, 10-2, a connecting block, 10-3, a mounting hole and 10-4 impact stress blocks, wherein the connecting bolt is fixedly connected with the connecting block; 11. the filter comprises a filter frame, 11-1 parts of filter screens and 11-2 parts of threaded through holes; 12. the flange, 12-1. fixed blind hole, 12-2. second through hole; 13. and (5) fixing the bolt.

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 work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, an automatic liquid extracting device for an oil production well includes: the device comprises a connecting bolt 0, an oil well pump 1, a linear motor 2, an upper fixing ring 3, a lower fixing ring 4, a liquid extracting pipe 5, a piston valve rod 6, a limiting column 8, a spring 9, a filter ring 10, a filter frame 11, a flange 12 and a fixing bolt 13; the method is characterized in that: the oil well pump 1 lower part is equipped with linear electric motor 2, and linear electric motor 2 lower part is equipped with through solid fixed ring 3, the solid fixed ring 4 of fixing bolt 13 connection, and the lower part of solid fixed ring 4 is equipped with carries liquid pipe 5 down, and the inside of carrying liquid pipe 5 is the echelonment structure, the symmetry is equipped with two spacing spouts 7 on the inside both sides lateral surface of carrying liquid pipe 5, and the inside of two spacing spouts 7 all is provided with spacing post 8, the inside of carrying liquid pipe 5 is provided with piston valve rod 6, the lower extreme of piston valve rod 6 is established to semi-circular, and piston valve rod 6 upper portion is connected with linear electric motor 2 hub connections, is provided with filter ring 10 between two spacing spouts 7, and the bottom of carrying liquid pipe 5 is equipped with flange 12, connects through fixing bolt 13.

As shown in fig. 3, specifically, the cross section of the filter ring 10 is a trapezoid structure, two connecting blocks 10-2 are symmetrically arranged on two side walls of the filter ring 10, mounting holes 10-3 are vertically arranged on the connecting blocks 10-2, an inverted L-shaped impact force-bearing block 10-4 is arranged on the connecting block 10-2, the distance between the two impact force-bearing blocks 10-4 is smaller than the diameter of a rubber block at the bottom of the piston valve rod 6, and first through holes 10-1 are symmetrically arranged on two central side walls of the two connecting blocks 10-2 perpendicular to the filter ring 10.

Specifically, the mounting holes 10-3 of the connecting blocks 10-2 at two sides of the filter ring 10 are movably mounted on the limiting columns 8, and the upper limiting columns 8 and the lower limiting columns 8 of the connecting blocks 10-2 are sleeved with springs 9.

Specifically, a filter frame 11 is arranged inside the filter ring 10, a filter screen 11-1 is arranged on the upper portion of the filter frame 11, two threaded through holes 11-2 are symmetrically formed in two side walls of the filter frame 11, and the filter frame 11 is installed inside the filter ring 10 and connected with the threaded through holes 11-2 through bolts penetrating through the first through holes 10-1.

Specifically, 4-6 second through holes 12-2 are uniformly distributed around the flange 12, and two fixing blind holes 12-1 with the diameter slightly larger than the limiting column 8 are symmetrically arranged on the flange.

The utility model discloses a theory of operation: an automatic liquid extracting device for an oil extraction production well is provided with a filter ring 10 and a filter frame 11, wherein the filter ring 10 is of a cylindrical structure with a narrow top and a wide bottom, two impact force-bearing blocks 10-4 which correspond to each other are arranged at the top of the filter ring 10, the distance between the two impact force-bearing blocks 10-4 is slightly smaller than the diameter of the bottom of a piston valve rod 6, the filter ring 10 is movably arranged on two limiting columns 8 through connecting blocks 10-2 which are fixedly arranged at two ends, the whole filter ring 10 can vibrate up and down between the two limiting columns 8, when crude oil production is carried out, the piston valve rod 6 is driven by a linear motor 2 to move up and down after entering a linear motor 2, when the lower part of the piston valve rod 6 touches the two impact force-bearing blocks 10-4 arranged on the filter ring 10, the whole filter ring 10 is pushed to move down, and at the moment, two groups of springs 9 arranged below the filter ring 10 can contract, when piston valve rod 6 receives linear electric motor 2's drive to go upward, it will upwards kick-back to filter ring 10 to receive the spring action of two springs 9 simultaneously, at the in-process of recovering oil, crude oil passes and enters into oil-well pump 1 after filtering ring 10 filters, crude oil large granule impurity will be by the separation when passing filter ring 10, when piston valve rod 6 periodic up-and-down operation, will drive whole filter ring 10 and shake, thereby make by the separation shake at the impurity particle who filters 11 surfaces of frame, it piles up the condition emergence on filtering 11 surfaces to reduce the impurity particle. The abrasion of sand to a traveling valve, a fixed valve and a plunger of an oil well pump can be effectively avoided, the well lying is avoided, the operation cost of the oil well is reduced, the normal production of the oil well is guaranteed, the automatic extracting liquid of the oil production well is enabled, and the crude oil yield is increased.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic liquid extracting device for an oil production well, comprising: the device comprises a connecting bolt (0), an oil well pump (1), a linear motor (2), an upper fixing ring (3), a lower fixing ring (4), a liquid extracting pipe (5), a piston valve rod (6), a limiting column (8), a spring (9), a filter ring (10), a filter frame (11), a flange (12) and a fixing bolt (13); the method is characterized in that: the lower part of the oil well pump (1) is provided with a linear motor (2), the lower part of the linear motor (2) is provided with an upper fixing ring (3) and a lower fixing ring (4) which are connected through a fixing bolt (13), the lower part of the lower fixing ring (4) is provided with a liquid extracting pipe (5), the interior of the liquid extracting pipe (5) is of a step-shaped structure, two limiting sliding chutes (7) are symmetrically arranged on two side wall surfaces inside the liquid lifting pipe (5), limiting columns (8) are arranged inside the two limiting sliding chutes (7), the liquid extracting pipe is characterized in that a piston valve rod (6) is arranged inside the liquid extracting pipe (5), the lower end of the piston valve rod (6) is semicircular, the upper portion of the piston valve rod (6) is connected with a shaft of the linear motor (2), a filter ring (10) is arranged between the two limiting sliding grooves (7), and a flange (12) is arranged at the bottom of the liquid extracting pipe (5) and connected with the liquid extracting pipe through a fixing bolt (13).

2. The automatic liquid extracting device for the oil production well of claim 1, wherein: the cross section of the filter ring (10) is of a trapezoid structure, two connecting blocks (10-2) are symmetrically arranged on two side walls of the filter ring (10), mounting holes (10-3) are vertically formed in the connecting blocks (10-2), inverted L-shaped impact stress blocks (10-4) are arranged on the connecting blocks (10-2), the distance between the two impact stress blocks (10-4) is smaller than the diameter of a rubber block at the bottom of a piston valve rod (6), and first through holes (10-1) are symmetrically formed in two side walls of the center of the two connecting blocks (10-2) perpendicular to the filter ring (10).

3. The automatic liquid extracting device for the oil production well of claim 1, wherein: the mounting holes (10-3) of the connecting blocks (10-2) at the two sides of the filter ring (10) are movably mounted on the limiting columns (8), and springs (9) are sleeved on the upper limiting columns (8) and the lower limiting columns (8) of the connecting blocks (10-2).

4. The automatic liquid extracting device for the oil production well of claim 1, wherein: the filter ring is characterized in that a filter frame (11) is arranged inside the filter ring (10), a filter screen (11-1) is arranged on the upper portion of the filter frame (11), two threaded through holes (11-2) are symmetrically formed in two side walls of the filter frame (11), the filter frame (11) is installed in the filter ring (10), and the filter frame penetrates through the first through hole (10-1) through a bolt to be connected with the threaded through hole (11-2).

5. The automatic liquid extracting device for the oil production well of claim 1, wherein: 4-6 second through holes (12-2) are uniformly distributed around the flange (12), and two fixed blind holes (12-1) with the diameter slightly larger than the limiting column (8) are symmetrically arranged on the flange.