CN211819342U - Oil recovery well pipeline filters and prevents stifled device - Google Patents

Abstract

The utility model relates to a filtering anti-blocking device for oil production well pipelines, which is characterized in that a fixed ring groove and a fixed insert ring are arranged, and the matching of the fixed ring groove and the fixed insert ring is utilized to ensure that a connecting flange and a filter pipe are fixedly connected in an embedded manner, thereby improving the strength between the connection of the connecting flange and the filter pipe and enhancing the strength of connection between the connecting flange and an external oil pipe; by arranging the filter pieces, the filter plates are fixed in the filter pipes, so that the impact resistance of crude oil is strong; through setting up well core plate, mounting hole, sealed bearing, pivot, electric motor and commentaries on classics board, electric motor drives the pivot and rotates to the board rotation is changeed in the drive, when crude oil is through filtering the piece, makes the crude oil rotary type pass through the filter, improves filterable effect, and the board and the filter contact are changeed in the pivoted simultaneously, and the gravel to filter surface filtration is clear, avoids the filter to block up.

Description

Oil recovery well pipeline filters and prevents stifled device

Technical Field

The utility model relates to a production string says and filters technical field, concretely relates to production well pipeline filters and prevents stifled device.

Background

The oil extraction engineering is a general term for various engineering technical measures taken on oil reservoirs through production wells and injection wells according to development targets in the oil field exploitation process, is faced with various types of oil reservoirs with different geological conditions and dynamic and continuous changes, and can obtain good economic effects only by correctly selecting and implementing technically feasible and economically reasonable engineering technical schemes according to the geological conditions and the dynamic changes of the oil reservoirs. In the oil recovery in-process in the pit, not only liquid still has a large amount of grit and sand body usually in the fluid of mining in the pit, at the in-process of oil recovery well pump work, the grit if be drawn into in the oil pipe, can lead to the jam of oil pipe and the wearing and tearing of oil recovery pump, if the condition is serious, still can damage the oil pump, consequently, need set up filter equipment in the oil pipe, traditional oil pipe's filter equipment realizes filterable through the filter screen of fixing wherein, but in filtering process, part grit also can be detained on the filter screen, these grits can slowly block up the filter screen, and then lead to the jam of pipeline in the pit, finally influence oil recovery operation.

At present, chinese patent with application number CN201620511167.9 discloses an oil field underground pipeline filtering anti-blocking device, relate to an oil production underground equipment, oil field underground pipeline filtering anti-blocking device includes that at least one filters anti-blocking unit, it includes the entry dop to filter anti-blocking unit, the export dop, prevent stifled barrel and first filter screen, the entry dop can be installed in the lower extreme of preventing stifled barrel with dismantling, the export dop can be installed in the upper end of preventing stifled barrel with dismantling, the entry dop, the export dop all has the cavity of following the axial and lining up with preventing stifled barrel, first filter screen is installed in the cavity of preventing stifled barrel and along the radial setting of this cavity, first filter screen is connected with the inner wall of preventing stifled barrel through elastic element, this oil field underground pipeline filtering anti-blocking device can effectively prevent the gravel and. However, the device is adopted to filter the oil production pipeline to prevent blockage, the filter screen is prevented from being blocked by the shaking of the filter screen capable of moving repeatedly, the internal pressure of the pipeline is extremely high in the process of conveying crude oil in the pipeline, the strength of the filter screen is lower through the spring connection of the elastic element, and the spring is easy to fatigue damage and is not beneficial to filtering and blocking prevention of the pipeline. Based on this, the utility model designs an oil recovery well pipeline filters and prevents stifled device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an at least defect among the prior art is overcome to a main aim at, a stifled device is prevented in production well pipeline filtration is provided, to solve the adoption the device that proposes in the above-mentioned background and carry out the production pipeline and filter and prevent stifled, but prevent that the filter screen from blockking up through the shake of the filter screen that removes repeatedly, crude oil transport's in-process in the pipeline, pipeline internal pressure is very big, it is lower through elastic element spring coupling filter screen intensity, fatigue damage takes place easily to the spring, be unfavorable for the problem that the filtration of pipeline prevents stifled.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

the utility model provides an oil production well pipeline filters and prevents stifled device, includes filter tube and flange, fixed annular has all been seted up at filter tube both ends edge center, flange side center is fixed with fixed annular complex fixed insert ring, fixed insert ring is fixed in fixed annular, the collar has been seted up at filter tube inner wall center, the inside fixed mounting of collar has a filtration piece, it includes outer loop and filter plate to filter the piece, the filter plate is including well core plate and filter, well core plate side center has seted up the mounting hole, the mounting hole internally mounted has seal bearing, seal bearing rotates inside to be connected with the pivot, pivot tip fixedly connected with rotor plate, pivot other end fixedly connected with electric motor, electric motor external fixation has well core plate protection box, the protection box is fixed in well core plate side center, protection box, The inside first spool, second spool, third spool and the fourth spool that is provided with the intercommunication respectively of well board, outer loop and filter tube, first spool, second spool, third spool and fourth spool internally mounted have connecting wire, connecting wire tip and electric motor connection of electric lines.

Preferably, the connecting flanges are fixedly installed at two ends of the filter pipe, and the height of the fixed insert ring is equal to the depth of the fixed ring groove.

Preferably, the depth of the mounting ring is one half of the thickness of the inner wall of the filter pipe, the size of the outer ring is equal to that of the mounting ring, and the two are matched everywhere.

Preferably, the filter plate is integrally manufactured by a group of central plates and two groups of filter plates, the edges of the filter plates at the edges of the central plates are circular together, and the radius of the filter plates is equal to the inner radius of the filter tubes.

Preferably, the horizontal plane of the top end of the sealing bearing and the horizontal plane of the top end of the mounting hole are the same horizontal plane, the horizontal plane of the bottom end of the sealing bearing and the horizontal plane of the bottom end of the mounting hole are the same horizontal plane, and the two ends of the rotating shaft and the two ends of the mounting hole are respectively located at the same horizontal plane.

Preferably, the rotating plates are evenly arranged on the side of the central plate in a circumference mode and are in contact with the central plate, and the distance between the end of each rotating plate and the central plate is more than two thirds of the inner radius of the filter pipe.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the fixed ring groove and the fixed insert ring, the connecting flange is fixedly connected with the filter pipe in an embedded manner by matching the fixed ring groove and the fixed insert ring, so that the connection strength between the connecting flange and the filter pipe is improved, and the connection strength between the connecting flange and an external oil pipe is enhanced; by arranging the filter pieces, the filter plates are fixed in the filter pipes, so that the impact resistance of crude oil is strong; through setting up well core plate, mounting hole, sealed bearing, pivot, electric motor and commentaries on classics board, electric motor drives the pivot and rotates to the board rotation is changeed in the drive, when crude oil is through filtering the piece, makes the crude oil rotary type pass through the filter, improves filterable effect, and the board and the filter contact are changeed in the pivoted simultaneously, and the gravel to filter surface filtration is clear, avoids the filter to block up.

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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

fig. 2 is a schematic view of the horizontal cross-section structure of fig. 1 according to the present invention;

fig. 3 is a schematic view of the vertical cross-section of fig. 1 according to the present invention;

fig. 4 is a schematic diagram of the filter structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-filter tube, 2-connecting flange, 3-fixing ring groove, 4-fixing insert ring, 5-mounting ring, 6-outer ring, 7-filter plate, 70-central plate, 71-filter plate, 8-mounting hole, 9-sealing bearing, 10-rotating shaft, 11-rotating plate, 12-electric motor, 13-protective box, 14-first wire tube, 15-second wire tube, 16-third wire tube, 17-fourth wire tube and 18-connecting wire.

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 examples 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a filtering and anti-blocking device for an oil production well pipeline comprises a filtering pipe 1 and a connecting flange 2, wherein fixed ring grooves 3 are formed in the edge centers of two ends of the filtering pipe 1, fixed insert rings 4 matched with the fixed ring grooves 3 are fixed in the side center of the connecting flange 2, the fixed insert rings 4 are fixed in the fixed ring grooves 3, a mounting ring 5 is formed in the center of the inner wall of the filtering pipe 1, a filtering piece is fixedly mounted in the mounting ring 5 and comprises an outer ring 6 and a filtering plate 7, the filtering plate 7 comprises a central plate 70 and a filtering plate 71, a mounting hole 8 is formed in the side center of the central plate 70, a sealing bearing 9 is mounted in the mounting hole 8, a rotating shaft 10 is rotatably connected in the sealing bearing 9, a rotating plate 11 is fixedly connected to the end part of the rotating shaft 10, an electric motor 12 is fixedly connected to the other end of the rotating shaft, the interior of the protective box 13, the central plate 70, the outer ring 6 and the filtering pipe 1 is respectively provided with a first wire pipe 14, a second wire pipe 15, a third wire pipe 16 and a fourth wire pipe 17 which are communicated with each other, the first wire pipe 14, the second wire pipe 15, the third wire pipe 16 and the fourth wire pipe 17 are internally provided with connecting wires 18, and the end parts of the connecting wires 18 are in wire connection with the electric motor 12.

The connecting flanges 2 are fixedly arranged at two ends of the filter pipe 1, the height of the fixed insert ring 4 is equal to the depth of the fixed ring groove 3, and the arrangement of the fixed insert ring 4 and the fixed ring groove 3 enhances the connection strength of the filter pipe 1 and an external oil pipe through the connecting flanges 2; the depth of the mounting ring 5 is one half of the thickness of the inner wall of the filter tube 1, the size of the outer ring 6 is equal to that of the mounting ring 5, and the mounting ring are matched at all positions, so that the stability of the filter piece mounted in the filter tube 1 is enhanced; the filter plate 7 is integrally manufactured by a group of central plates 70 and two groups of filter plates 71, the edges of the filter plates 71 at the edges of the central plates 70 are circular together, and the radius of the filter plates is equal to the inner radius of the filter pipe 1; the horizontal plane of the top end of the sealing bearing 9 and the horizontal plane of the top end of the mounting hole 8 are the same horizontal plane, the horizontal plane of the bottom end of the sealing bearing 9 and the horizontal plane of the bottom end of the mounting hole 8 are the same horizontal plane, and two ends of the rotating shaft 10 and two ends of the mounting hole 8 are respectively in the same horizontal plane; the circumference of the rotating plate 11 is uniformly distributed on the side surface of the central plate 70 and is contacted with the central plate 70, the distance between the end part of the rotating plate 11 and the central plate 70 is more than two thirds of the inner radius of the filter pipe 1, the rotating plate 11 is contacted with the filter plate 71, the gravel filtered on the surface of the filter plate 71 is clear, and the filter plate 71 is prevented from being blocked.

One specific application of this embodiment is: utilize flange 2 to link to each other filter tube 1 and outside oil pipe, connect power through connecting wire 18 with electric motor 12, electric motor 12 drives pivot 10 and rotates, pivot 10 drives and changes board 11 rotatory, pass through filter tube 1 when crude oil, when filtering, crude oil filters through filter 71, pivoted changes board 11 and drives near crude oil rotation of filter 71, make crude oil rotate and carry out the gravel through filter 71 and filter, the filter effect has been improved, pivoted changes board 11 and filter 71 surface contact simultaneously, can clear away the gravel that filter 71 surface filtration got off, avoid the gravel to pile up and cause filter 71 to block up, thereby influence the filter effect of crude oil, only need regularly pull down filter tube 1, it can to clear up filter tube 1, and convenient to use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a production well pipeline filters prevents stifled device, includes filter tube (1) and flange (2), its characterized in that: fixed ring grooves (3) are formed in the edge centers of two ends of the filter pipe (1), a fixed insert ring (4) matched with the fixed ring grooves (3) is fixed at the side center of the connecting flange (2), the fixed insert ring (4) is fixed in the fixed ring grooves (3), a mounting ring (5) is formed in the center of the inner wall of the filter pipe (1), a filter piece is fixedly mounted inside the mounting ring (5) and comprises an outer ring (6) and a filter plate (7), the filter plate (7) comprises a central plate (70) and a filter plate (71), a mounting hole (8) is formed in the side center of the central plate (70), a sealing bearing (9) is mounted inside the mounting hole (8), a rotating shaft (10) is rotatably connected inside the sealing bearing (9), a rotating plate (11) is fixedly connected to the end portion of the rotating shaft (10), and an electric motor (12) is fixedly connected to the other end of the rotating shaft, electric motor (12) external fixation has guard box (13), guard box (13) are fixed at well core plate (70) side center, inside first spool (14), second spool (15), third spool (16) and the fourth spool (17) that is provided with the intercommunication respectively of guard box (13), well core plate (70), outer ring (6) and filter tube (1), first spool (14), second spool (15), third spool (16) and fourth spool (17) internally mounted have connecting wire (18), connecting wire (18) tip and electric motor (12) connection of electric lines.

2. The oil recovery well pipeline filtering anti-blocking device according to claim 1, characterized in that: the connecting flange (2) is fixedly arranged at two ends of the filter pipe (1), and the height of the fixed inserting ring (4) is equal to the depth of the fixed ring groove (3).

3. The oil recovery well pipeline filtering anti-blocking device according to claim 1, characterized in that: the depth of the mounting ring (5) is one half of the thickness of the inner wall of the filter pipe (1), the size of the outer ring (6) is equal to that of the mounting ring (5), and the mounting ring and the outer ring are matched at the positions.

4. The oil recovery well pipeline filtering anti-blocking device according to claim 1, characterized in that: the filter plate (7) is integrally manufactured by a group of central plates (70) and two groups of filter plates (71), the edges of the filter plates (71) at the edges of the central plates (70) are circular together, and the radius of the filter plates is equal to the inner radius of the filter pipe (1).

5. The oil recovery well pipeline filtering anti-blocking device according to claim 1, characterized in that: the horizontal plane of the top end of the sealing bearing (9) and the horizontal plane of the top end of the mounting hole (8) are the same horizontal plane, the horizontal plane of the bottom end of the sealing bearing (9) and the horizontal plane of the bottom end of the mounting hole (8) are the same horizontal plane, and the two ends of the rotating shaft (10) and the two ends of the mounting hole (8) are respectively located at the same horizontal plane.

6. The oil recovery well pipeline filtering anti-blocking device according to claim 1, characterized in that: the rotating plates (11) are uniformly arranged on the sides of the central plates (70) in a circumferential mode and are in contact with the central plates (70), and the distance between the end portions of the rotating plates (11) and the central plates (70) is larger than two thirds of the inner radius of the filter pipe (1).

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