CN221032559U - Oil recovery water injection wellhead assembly - Google Patents

Abstract

The utility model discloses an oil extraction water injection wellhead device, which comprises a wellhead pipeline, wherein a water injection port is formed in the side wall of the wellhead pipeline, a first annular sliding frame and a second annular sliding frame are arranged on the inner side wall of the wellhead pipeline, a first rotating ring and a second rotating ring are respectively arranged on the inner side wall of the wellhead pipeline in a rotating manner, the first rotating ring is positioned above the water injection port, a fixed frame is arranged on the inner ring side wall of the first rotating ring, the second rotating ring is positioned below the water injection port, a baffle plate is arranged on the second rotating ring, inner gear teeth are arranged on the inner ring side wall of the second rotating ring, a motor is arranged on the inner side wall of the wellhead pipeline and positioned below the second rotating ring and close to the position of the inner gear teeth, and a gear matched with the inner gear teeth is arranged on an output shaft of the motor; the device is matched with the inner gear on the second rotating ring through the gear, the rotating shaft can be driven to rotate through the control motor, and scaling at the water filling port can be brushed through the rotation of the rotating shaft and the matching of the device with the connecting rod, the bottom plate and the brush hair.

Description

Oil recovery water injection wellhead assembly

Technical Field

The utility model relates to the technical field of oil well exploitation, in particular to an oil extraction water injection wellhead device.

Background

Water injection oil extraction is a common oil extraction technology, because the acquisition difficulty of an oil field is increased in the gradual development process, and water injection oil extraction is to inject water meeting the quality requirement into an oil layer from a water injection wellhead by using water injection equipment so as to ensure that the pressure of the oil layer enables underground crude oil to rise to the oil well; because the water injection port of the water injection well head is usually exposed in the oil field, scaling phenomenon often occurs at the water injection port, and if the scaling is not cleaned in time, the water injection port is blocked, and a pipeline is corroded to cause pipeline rupture

To this end, we have devised a production water injection wellhead.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide an oil extraction water injection wellhead device so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an oil recovery water injection wellhead assembly, includes the well head pipeline, and the water filling port has been seted up to the lateral wall of well head pipeline, install first annular balladeur train and second annular balladeur train on the inside wall of well head pipeline, and rotate above and install first rotating ring and second rotating ring respectively, first rotating ring is located the top of water filling port, and the mount is installed to the inner circle lateral wall of first rotating ring, and the second rotating ring is located the below of water filling port, installs the baffle above the second rotating ring, and the inner circle lateral wall of second rotating ring is provided with interior teeth of a cogwheel, installs the motor on the inside wall of well head pipeline, and the motor is located the position that the second rotating ring below is close to interior teeth of a cogwheel, installs on the output shaft of motor with interior tooth complex gear.

Preferably, a rotating shaft is arranged between the fixing frame and the partition plate, the rotating shaft is positioned at the rotating center of the fixing frame and the partition plate, the two sides of the rotating shaft are symmetrically provided with bottom plates, the rotating shaft is fixedly connected with the bottom plates through a plurality of connecting rods, and bristles are arranged on the outer sides of the bottom plates.

Preferably, the connecting rod comprises dead lever, extension rod and spring, and the tail end of dead lever is fixed in the axis of rotation, and the slide hole has been seted up on the top of dead lever, and the extension rod passes through slide hole slidable mounting on the dead lever, and the inside of slide hole is provided with the spring, and the spring supports at the tail end of extension rod, and the top of extension rod is fixed on the bottom plate.

Preferably, the water injection port is positioned on the wellhead pipeline near the bottom.

Preferably, the fixing frame is cross-shaped.

Preferably, the motor is a waterproof motor.

Preferably, the first annular sliding frame, the first rotating ring, the second annular sliding frame, the second rotating ring and the connecting rod are coated with anticorrosive paint.

Compared with the prior art, the utility model provides an oil extraction water injection wellhead device, which has the following beneficial effects:

This oil recovery water injection wellhead device, through the cooperation of the interior tooth on motor output shaft's gear and the second swivel becket, can be through the rotation of control motor drive axis of rotation, through the rotation of axis of rotation, in addition with connecting rod, bottom plate, the cooperation of brush hair, can brush the scale deposit of water filling port department, can let the brush hair on the bottom plate support all the time on the inside wall of well head pipeline through setting up spring extrusion extension rod.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a second rotary ring according to the present utility model;

FIG. 3 is a schematic view of the connecting rod of the present utility model.

Reference numerals: 1. a wellhead pipe; 2. a water filling port; 3. a first annular carriage; 4. a first rotating ring; 5. a fixing frame; 6. a second annular carriage; 7. a second rotating ring; 71. internal gear teeth; 8. a partition plate; 9. a rotating shaft; 10. a connecting rod; 101. a fixed rod; 102. a slide hole; 103. an extension rod; 104. a spring; 11. a bottom plate; 12. brushing; 13. a motor; 131. a gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in the present embodiment: the utility model provides an oil recovery water injection wellhead assembly, including wellhead pipe 1, the water filling mouth 2 has been seted up to wellhead pipe 1's lateral wall, water filling mouth 2 is located the position near the bottom on wellhead pipe 1, water filling mouth 2's effect is to the oil reservoir water injection in order to guarantee the pressure of oil reservoir, install first annular slide frame 3 and second annular slide frame 6 on wellhead pipe 1's the inside wall, and the rotation of above is installed first rotation ring 4 and second rotation ring 7 respectively, consequently first rotation ring 4 and second rotation ring 7 can rotate in wellhead pipe, first rotation ring 4 is located water filling mouth 2's top, first rotation ring 4's inner circle lateral wall is installed mount 5, mount 5 is the cross, mount 5 also can make other shapes, it can to prevent the rivers to pass through, second rotation ring 7 is located the below of water filling mouth 2, install baffle 8 above the second rotation ring 7, the baffle 8 can block water flow when water is injected, so as to prevent the water flow from directly impacting the motor 13 to cause damage to the motor 13, the inner ring side wall of the second rotating ring 7 is provided with the inner gear teeth 71, the motor 13 is arranged on the inner side wall of the wellhead pipeline 1, the motor 13 adopts a waterproof motor, a waterproof shell can be additionally arranged outside the common motor, the motor 13 is positioned below the second rotating ring 7 and close to the position of the inner gear teeth 71 without obstructing the operation of the motor, a gear 131 matched with the inner gear teeth 71 is arranged on an output shaft of the motor 13, the gear 131 is matched with the inner gear teeth 71 to control the motor 13 to drive the second rotating ring 7 to rotate, a rotating shaft 9 is arranged between the fixed frame 5 and the baffle 8, the rotating shaft 9 is positioned at the rotating center of the fixed frame 5 and the baffle 8, the second rotating ring 7 can drive the rotating shaft 9 to rotate, the two sides of the rotating shaft 9 are symmetrically provided with a bottom plate 11, the rotating shaft 9 is fixedly connected with the bottom plate 11 through a plurality of connecting rods 10, bristles 12 are arranged on the outer side of the bottom plate 11, scaling at the water filling port 2 can be brushed by rotating the bristles 12 on the bottom plate 11 through the rotating shaft 9, and anticorrosive coatings are coated on the first annular sliding frame 3, the first rotating ring 4, the second annular sliding frame 6, the second rotating ring 7 and the connecting rods 10 to prevent the parts from being blocked due to corrosion.

Referring to fig. 3, the connecting rod 10 is composed of a fixing rod 101, an extension rod 103 and a spring 104, the tail end of the fixing rod 101 is fixed on the rotating shaft 9, a sliding hole 102 is formed in the top end of the fixing rod 101, the extension rod 103 is slidably mounted on the fixing rod 101 through the sliding hole 102, the spring 104 is arranged in the sliding hole 102, the spring 104 abuts against the tail end of the extension rod 103, the top end of the extension rod 103 is fixed on the bottom plate 11, and the brush 12 on the bottom plate 11 can always abut against the wellhead pipeline 1 through resilience of the spring 104.

The working principle and the using flow of the utility model are as follows: when the scale formation of water filling port 2 department needs to be cleared up, start motor 13, motor 13's output shaft drives gear 131 rotation, because gear 131 cooperates with the interior tooth 71 on the second swivel becket 7, so second swivel becket 7 can follow the rotation under motor 13's drive, the rotation of second swivel becket 7 drives axis of rotation 9 and rotates, axis of rotation 9 passes through connecting rod 10 and drives bottom plate 11 and rotate, thereby let the scale formation of water filling port 2 is scrubbed in the rotatory brush hair 12 on bottom plate 11, spring 104 is in the extension pole 103 all the time in the period, thereby make brush hair 12 can be in the inner wall of well head pipeline 1 all the time in the support.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides an oil recovery water injection wellhead assembly, includes well head pipeline (1), and water filling port (2), its characterized in that have been seted up to the lateral wall of well head pipeline (1): the device is characterized in that a first annular sliding frame (3) and a second annular sliding frame (6) are arranged on the inner side wall of the wellhead pipeline (1), a first rotating ring (4) and a second rotating ring (7) are respectively arranged on the inner side wall of the wellhead pipeline (1) in a rotating mode, the first rotating ring (4) is located above the water filling port (2), a fixing frame (5) is arranged on the inner ring side wall of the first rotating ring (4), the second rotating ring (7) is located below the water filling port (2), a partition plate (8) is arranged on the upper surface of the second rotating ring (7), an inner gear tooth (71) is arranged on the inner ring side wall of the second rotating ring (7), a motor (13) is arranged on the inner side wall of the wellhead pipeline (1) and is located below the second rotating ring (7) and close to the position of the inner gear tooth (71), and a gear (131) matched with the inner gear tooth (71) is arranged on an output shaft of the motor (13);

A rotating shaft (9) is arranged between the fixing frame (5) and the partition plate (8), the rotating shaft (9) is located at the rotating center of the fixing frame (5) and the partition plate (8), base plates (11) are symmetrically arranged on two sides of the rotating shaft (9), the rotating shaft (9) is fixedly connected with the base plates (11) through a plurality of connecting rods (10), and bristles (12) are arranged on the outer sides of the base plates (11).

2. The oil and water extraction wellhead assembly of claim 1, wherein: connecting rod (10) comprises dead lever (101), extension rod (103) and spring (104), and tail end fixing of dead lever (101) is on axis of rotation (9), and slide hole (102) have been seted up on the top of dead lever (101), and extension rod (103) pass through slide hole (102) slidable mounting on dead lever (101), and the inside of slide hole (102) is provided with spring (104), and spring (104) support the tail end at extension rod (103), and the top of extension rod (103) is fixed on bottom plate (11).

3. The oil and water extraction wellhead assembly of claim 1, wherein: the water injection port (2) is positioned at a position, close to the bottom, on the wellhead pipeline (1).

4. The oil and water extraction wellhead assembly of claim 1, wherein: the fixing frame (5) is cross-shaped.

5. The oil and water extraction wellhead assembly of claim 1, wherein: the motor (13) adopts a waterproof motor.

6. The oil and water extraction wellhead assembly of claim 1, wherein: the first annular sliding frame (3), the first rotating ring (4), the second annular sliding frame (6), the second rotating ring (7) and the connecting rod (10) are coated with anticorrosive paint.