CN209742868U

CN209742868U - Oil recovery well head water injection device

Info

Publication number: CN209742868U
Application number: CN201920455395.2U
Authority: CN
Inventors: 高尚军; 王新泉; 易云; 田慧宁; 周晓红; 王娜; 金绍亮; 仲继东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2019-12-06
Anticipated expiration: 2029-04-04

Abstract

The utility model relates to an oil extraction well head water injection device, which effectively solves the problem that the existing oil extraction well head water injection equipment does not have the automatic filtering function; the technical scheme of its solution includes that a level is placed and both ends confined violently manage, the top of violently managing is equipped with a standpipe rather than the intercommunication, the standpipe is arranged in the intermediate position of violently managing, both ends are coaxial fixed with a threaded rod respectively about violently managing, a nut is installed in the cooperation on every threaded rod, every nut outside is rotated and is installed one and can be violently intraductal nevertheless can not rotate the perforated plate rather than the adherence slip, the perforated plate can outwards remove and can inwards reset, the inboard of perforated plate is fixed with the filter screen, the inboard of filter screen is equipped with the scraper blade of fixing on the nut, the below of violently managing is equipped with Y type pipe, two branch pipes of Y type pipe are linked together.

Description

Oil recovery well head water injection device

Technical Field

The utility model relates to an oil recovery equipment field, especially an oil recovery well head water injection device.

Background

In the field of oil extraction in oil fields, along with the gradual development of oil fields, the difficulty of oil field exploitation is increasingly high, the oil well exploitation needs to be realized by water injection in the oil field exploitation process, the water injection oil extraction is an oil extraction technology that water with satisfactory quality is injected into an oil layer from a water injection well by using water injection equipment, the pressure of the oil layer is maintained, underground crude oil is driven to rise to the oil well, water is artificially injected into pores of the oil storage layer, and more crude oil is driven out of the oil layer by using water as a driving agent. The operation of the mode is complex, time-consuming and labor-consuming, so that the water injection device of the filter screen capable of realizing automatic cleaning is urgently needed at the present stage.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides an oil recovery well head water injection device has effectually solved the problem that current oil recovery well head water injection equipment does not possess the automatic filtration function.

Its technical scheme that solves the problem includes that a level is placed and both ends confined violently manage, the top of violently managing is equipped with a standpipe rather than the intercommunication, the standpipe is arranged in the intermediate position of violently managing, both ends are coaxial fixed with a threaded rod respectively about violently managing, a nut is installed in the cooperation on every threaded rod, every nut outside is rotated and is installed one and can be violently intraductal nevertheless can not rotate the perforated plate rather than the adherence slip, the perforated plate can outwards remove and can inwards reset, the inboard of perforated plate is fixed with the filter screen, the inboard of filter screen is equipped with the scraper blade of fixing on the nut, the below of violently managing is equipped with Y type pipe, two branch pipes of Y type pipe are linked together.

The utility model discloses think about novelty, the structure is ingenious, and the practicality is strong, realizes through the automatic realization clearance filter screen when stopping the water injection that this device is reasonable more high-efficient, simultaneously effectual solved current oil recovery well head water injection equipment not have the problem of automatic filtration function.

Drawings

Fig. 1 is a front sectional view of the present invention when high pressure water is not supplied.

Fig. 2 is a front sectional view of the present invention when high pressure water is supplied.

Fig. 3 is a view of the end face of the porous plate and nut.

Fig. 4 is a view of the end face of the filter screen of the present invention when it is engaged with the scraper.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Can know by fig. 1 to fig. 4, the utility model discloses a level is placed and both ends confined violently manage 1, the top of violently managing 1 is equipped with a standpipe 2 rather than the intercommunication, standpipe 2 arranges the intermediate position of violently managing 1 in, violently manage 1 left and right sides both ends respectively coaxial fixation threaded rod 3, a nut 4 is installed in the cooperation on every threaded rod 3, 4 outside rotations of every nut are installed one and can be violently managed 1 in rather than adherence slip but can not rotate perforated plate 5, perforated plate 5 can outwards remove and can inwards reset, perforated plate 5's inboard is fixed with filter screen 6, filter screen 6's inboard is equipped with the scraper blade 7 of fixing on nut 4, the below of violently managing 1 is equipped with Y type pipe 8, two branch pipes of Y type pipe 8 are linked together with the left and right sides of violently managing 1.

In order to realize that the porous plate 5 can move outwards and can reset inwards, the part of each threaded rod 3, which is arranged outside the porous plate 5, is sleeved with a pressure spring 9, one end of each pressure spring 9 is fixed at the end part of the transverse pipe 1, and the other end of each pressure spring is rotatably connected to the corresponding nut 4.

In order to realize that perforated plate 5 can only control and remove and can not rotate, violently manage 1 both ends respectively the circumference equipartition have a plurality of slide rails 10 about, the circumference equipartition has a plurality of spouts 11 with slide rail 10 one-to-one on the outer disc of perforated plate 5.

The utility model discloses a concrete working process is: this device distance between two filter screens 6 when using must not be less than 2 internal diameters of standpipe, and filter screen 6 can not remove standpipe 2 promptly and correspond the position in violently managing 1, guarantees from 2 interior water that flow of standpipe must be through violently managing 1 behind the filter screen and flow into Y type pipe 8 in, and perforated plate 5 and nut 4 rotate through waterproof bearing and are connected.

The vertical pipe 2 of the device is connected to a high-pressure water source, high-pressure water enters the transverse pipe 1 through the vertical pipe 2 and passes through the filter screen 6 and the porous plate 5 at two sides, the filter screen 6 and the porous plate 5 at two sides inevitably move outwards in the water pressure direction, the moving process is that the filter screen 6 and the porous plate 5 slide along the inner wall of the transverse pipe 1 along the wall of the transverse pipe under the matching of the chute 11 and the slide rail 10, the porous plate 5 drives the nut 4 to move outwards, the nut 4 and the threaded rod 3 cannot be self-locked at the moment, namely, the lead angle of the threaded rod 3 is larger than the equivalent friction angle of a screw pair formed by the threaded rod 3 and the nut 4, the nut 4 moves outwards at the moment, the self-rotation of the nut 4 is realized under the matching of the threaded rod 3, when the nut 4 rotates, the lower scraping blade is rubbed on the filter, at this point the water flows through the filter screen 6 into the well via the Y-pipe.

When a high-pressure water source is closed, the pressure from water disappears, the nut 4 is moved towards the middle under the reset action of the pressure spring 9, the scraper 7 is driven to rotate reversely in the process that the nut 4 moves towards the middle, and the scraper 7 rotates the filter screen 6 and does not rotate, so that the inner surface of the filter screen 6 is cleaned.

The significant benefits of the present device: this device utilizes to realize the promotion repeatedly to this device water injection realization to the filter screen of high pressure water intermittent type nature repeatedly to switching high pressure water source, when pouring water into the oil well, realizes the extrusion of pressure spring 9, and filter screen 6 outwards removes, realizes scraper blade 7 when stopping the water injection and rotates impurity removal on filter screen 6 with filter screen 6 under the spring 9 reset action.

Claims

1. An oil extraction wellhead water injection device comprises a horizontal pipe (1) which is horizontally arranged and two ends of which are sealed, the utility model is characterized in that, the top of violently managing (1) is equipped with one standpipe (2) rather than the intercommunication, standpipe (2) are arranged in the intermediate position of violently managing (1), both ends are coaxial fixed with a threaded rod (3) respectively about violently managing (1), a nut (4) are installed in the cooperation on every threaded rod (3), every nut (4) outside is rotated and is installed one and can be in violently managing (1) rather than adherence slip but can not rotate perforated plate (5), perforated plate (5) can outwards remove and can inwards reset, the inboard of perforated plate (5) is fixed with filter screen (6), the inboard of filter screen (6) is equipped with scraper blade (7) of fixing on nut (4), the below of violently managing (1) is equipped with Y type pipe (8), two branch pipes of Y type pipe (8) are linked together with the left and right sides of violently managing.

2. The oil recovery wellhead water injection device according to claim 1, characterized in that a pressure spring (9) is sleeved on the part of each threaded rod (3) which is arranged outside the perforated plate (5), one end of the pressure spring (9) is fixed on the end of the transverse pipe (1), and the other end is rotatably connected to the corresponding nut (4).

3. The oil recovery wellhead water injection device according to claim 1, characterized in that a plurality of slide rails (10) are evenly distributed on the left and right ends of the horizontal pipe (1) and a plurality of slide grooves (11) corresponding to the slide rails (10) are evenly distributed on the outer circumferential surface of the perforated plate (5).