CN216553883U

CN216553883U - Swing type quantitative water mixing device of beam-pumping unit

Info

Publication number: CN216553883U
Application number: CN202220130076.6U
Authority: CN
Inventors: 陈洪维; 王雅冉; 李红; 李超君; 陈贵彬; 宋晓晶; 王刚
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: 2022-05-17
Anticipated expiration: 2032-01-19

Abstract

The utility model relates to the technical field of oil extraction technology, and discloses a swing type quantitative water mixing device of a beam-pumping unit, which comprises: the device comprises a shell, a drain pipe, a return spring, a liquid discharge valve ball, a liquid discharge valve seat, a water inlet pipe, a liquid inlet valve seat, a liquid inlet valve ball, a piston, a connecting rod, a gravity block and a linear sliding bearing; the method is characterized in that: the shell is in a cylindrical shape with two closed ends, two ends of the shell are respectively provided with a drain valve, the two drain valves are both communicated with a drain pipe, two ends of the shell are respectively provided with a water inlet valve inwards according to the drain valves, the two water inlet valves are communicated with water inlet pipes, the middle of the shell is a piston cavity, two pistons are connected in the piston cavity through connecting rods, gravity blocks are sleeved on the connecting rods in a sliding mode, linear sliding bearings are arranged outside the gravity blocks, a drainage overflowing hole is formed between the drain valves and the water inlet valves, and a water inlet overflowing hole is formed between the water inlet valves and the piston cavity. The utility model is not influenced by the pressure of the water, improves the water mixing pressure, is convenient to adjust the flow, does not need power, saves energy and increases the yield of crude oil.

Description

Swing type quantitative water mixing device of beam-pumping unit

Technical Field

The utility model relates to the technical field of oil extraction processes, in particular to a swing type quantitative water mixing device of a beam-pumping unit.

Background

At present, a thickened oil is produced mainly by adopting a thickened oil water mixing production mode in the production process of a thickened oil well, and the working principle is that high-temperature water mixing is carried out along with the thickened oil in a shaft or a ground pipeline, so that the purposes of reducing the back pressure of the oil well and ensuring the normal production of the oil well are achieved. However, in the actual field operation process, the water blending management work is not standard due to the unstable condition of the oil well produced liquid, the water blending pressure and the water blending amount cannot be effectively guaranteed, the key parameters of the water blending are not optimally matched, the energy waste is caused, and more importantly, the occurrence of the accident of well stoppage and lying is caused. The corresponding water mixing amount also needs to be adjusted under the influence of factors such as weather change, oil well production parameter change and the like, but the oil well is difficult to accurately adjust in time due to huge workload, so that the production of the oil well is stopped, and economic loss is caused. The influence of the pressure and flow fluctuation of the incoming water also easily causes the inaccurate condition of the water mixing data. The prior art cannot better solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides a swing type quantitative water mixing device of a beam-pumping unit

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

the utility model comprises the following steps: the device comprises a shell, a drain pipe, a reset spring, a liquid discharge valve ball, a liquid discharge valve seat, a water inlet pipe, a liquid inlet valve seat, a liquid inlet valve ball, a piston, a connecting rod, a gravity block, a linear sliding bearing and a beam-pumping unit; the method is characterized in that: the shell is in a cylindrical shape with two closed ends, two ends of the shell are respectively provided with a drain valve, the two drain valves are both communicated with a drain pipe, two ends of the shell are respectively provided with a water inlet valve inwards according to the drain valves, the two water inlet valves are communicated with water inlet pipes, the middle of the shell is a piston cavity, two pistons connected through a connecting rod are arranged in the piston cavity, a gravity block is sleeved on the connecting rod in a sliding mode, a linear sliding bearing is arranged outside the gravity block, a drainage overflowing hole is formed between the drain valves and the water inlet valves, and a water inlet overflowing hole is formed between the water inlet valves and the piston cavity.

Furthermore, the water inlet valve comprises a liquid inlet valve seat and a liquid inlet valve ball, and the liquid inlet valve seat is a conical cavity with a large upper part and a small lower part.

Furthermore, the drain valve comprises a return spring, a liquid discharge valve ball and a liquid discharge valve seat, wherein the liquid discharge valve seat is a conical cavity with a small upper part and a large lower part, and the return spring is positioned at the lower part of the liquid discharge valve ball.

Furthermore, the partition wall between the liquid inlet valve seat and the liquid outlet valve seat is shared.

Furthermore, two sealing rings are arranged outside the piston.

Further, the piston is in grinding fit with the piston cavity.

Compared with the prior art, the utility model has the following beneficial effects:

in the running process of the pumping unit, the walking beam of the pumping unit swings up and down, the gravity block drives the piston to move back and forth under the action of gravity, and the water inlet valves and the water discharge valves on the two sides of the swinging type quantitative water mixing device alternately complete liquid inlet and liquid discharge work, so that the aim of increasing the water mixing pressure is fulfilled. Compared with the traditional water mixing mode, the water mixing device is not influenced by water pressure fluctuation and can carry out water mixing work at higher pressure; the flow regulation is convenient, and only the opening of an inlet or outlet valve needs to be regulated; the pumping unit can work only by running without extra power, thereby saving energy and increasing the yield of crude oil.

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 structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, can still fall within the scope of the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic view of a front view of a full-section structure of the present invention

FIG. 2 is a schematic diagram of the field application structure of the present invention

Illustration of the drawings: 0. a housing; 1. a drain pipe; 2. a return spring; 3. a liquid-discharging valve ball; 4. a liquid discharge valve seat; 5. a drainage overflowing hole; 6. a water inlet pipe; 7. feeding a liquid valve seat; 8. feeding a liquid valve ball; 9. a piston; 10. a connecting rod; 11. a gravity block; 12. a linear sliding bearing; 13. the water inlet overflowing hole; 14. a piston cavity; 15. a swing type quantitative watering device; 16. a beam-pumping unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1, a swing type quantitative watering device of a beam-pumping unit comprises: the device comprises a shell 0, a drain pipe 1, a return spring 2, a liquid discharge valve ball 3, a liquid discharge valve seat 4, a water inlet pipe 6, a liquid inlet valve seat 7, a liquid inlet valve ball 8, a piston 9, a connecting rod 10, a gravity block 11, a linear sliding bearing 12 and a beam pumping unit 16; the method is characterized in that: the shell 0 is a cylinder with two closed ends, two ends are respectively provided with a drain valve, the two drain valves are both communicated with the drain pipe 1, two ends are respectively provided with a water inlet valve inwards according to the drain valves, the two water inlet valves are communicated with the water inlet pipe 6, the middle of the shell 0 is provided with a piston cavity 14, two pistons 9 connected through a connecting rod 10 are arranged in the piston cavity 14, a gravity block 11 is slidably sleeved on the connecting rod 10, a linear sliding bearing 12 is arranged outside the gravity block 11, a drain overflowing hole 5 is arranged between the drain valves and the water inlet valves, and a water inlet overflowing hole 13 is arranged between the water inlet valves and the piston cavity 14. The linear sliding bearing 12 is arranged outside the gravity block 11, so that the flexibility of the gravity block 11 is improved, and the friction force between the gravity block 11 and the piston cavity 14 is reduced.

Specifically, the water inlet valve comprises a liquid inlet valve seat 7 and a liquid inlet valve ball 8, and the liquid inlet valve seat 7 is a conical cavity with a large upper part and a small lower part. The arrangement of the cone cavity is used for further improving the sealing performance of the liquid inlet valve seat 7 and the liquid inlet valve ball 8.

Specifically, the drain valve comprises a return spring 2, a liquid discharge valve ball 3 and a liquid discharge valve seat 4, wherein the liquid discharge valve seat 4 is a conical cavity with a small upper part and a large lower part, and the return spring 2 is positioned at the lower part of the liquid discharge valve ball 3. Through the arrangement of the cone cavity and the return spring 2, in order to further improve the sealing speed and the sealing performance of the liquid discharge valve ball 3,

specifically, the partition wall between the liquid inlet valve seat 7 and the liquid discharge valve seat 4 is shared.

Specifically, two sealing rings are arranged outside the piston 9 to improve the sealing performance of the piston 9.

Example two

A shell 0 of a swing type quantitative water mixing device of a beam-pumping unit is made of stainless steel materials, and a piston 9 is in grinding fit with a piston cavity 14, so that the service life of the piston is further prolonged, and the practicability of the swing type quantitative water mixing device of the beam-pumping unit is improved.

Example two

A swing type quantitative watering device of a beam-pumping unit is installed and used, firstly, the machine is stopped, and the beam-pumping unit is stopped at a horizontal position; secondly, the swing type quantitative water-blending device 15 is arranged on the upper part of a walking beam of the walking beam type oil pumping unit 16, and is firmly fixed by taking a middle bearing as a center; thirdly, connecting the drain pipe 1 with a wellhead casing or a ground flow according to the requirements of the oil well production water-mixing viscosity reduction process; the water inlet pipe 6 is connected with an incoming water pipeline; fourthly, opening the relevant valve; and fifthly, starting the pumping unit and observing the water mixing effect.

The working principle is as follows:

a beam-pumping unit swing type quantitative watering device, in the operation process of the pumping unit, a beam of the pumping unit swings up and down, a gravity block 11 drives a piston 9 to move back and forth under the action of gravity, and a water inlet valve and a water discharge valve on two sides of a swing type quantitative watering device 15 alternately complete liquid inlet and liquid discharge work, so that the purpose of increasing watering pressure is realized. Compared with the traditional water mixing mode, the water mixing device is not influenced by water pressure fluctuation and can carry out water mixing work at higher pressure; the flow regulation is convenient, and only the opening of an inlet or outlet valve needs to be regulated; the pumping unit can work only by running without extra power, thereby saving energy and increasing the yield of crude oil.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A swing type quantitative water mixing device of a beam-pumping unit comprises: the device comprises a shell (0), a drain pipe (1), a return spring (2), a liquid discharge valve ball (3), a liquid discharge valve seat (4), a water inlet pipe (6), a liquid inlet valve seat (7), a liquid inlet valve ball (8), a piston (9), a connecting rod (10), a gravity block (11), a linear sliding bearing (12) and a beam pumping unit (16); the method is characterized in that: the improved water supply device is characterized in that the shell (0) is a cylinder with two closed ends, two ends are respectively provided with a drain valve, the two drain valves are communicated with the drain pipe (1), two ends are respectively provided with a water inlet valve inwards according to the drain valves, the two water inlet valves (6) are communicated, the middle of the shell (0) is provided with a piston cavity (14), two pistons (9) connected through a connecting rod (10) are arranged in the piston cavity (14), the connecting rod (10) is sleeved with a gravity block (11) in a sliding mode, a linear sliding bearing (12) is arranged outside the gravity block (11), a drainage overflowing hole (5) is formed between the drain valves and the water inlet valves, and a water inlet overflowing hole (13) is formed between the water inlet valves and the piston cavity (14).

2. The swing type quantitative watering device of the beam-pumping unit according to claim 1, characterized in that: the water inlet valve comprises a liquid inlet valve seat (7) and a liquid inlet valve ball (8), and the liquid inlet valve seat (7) is a conical cavity with a large upper part and a small lower part.

3. The swing type quantitative watering device of the beam-pumping unit according to claim 1, characterized in that: the drain valve comprises a return spring (2), a liquid discharge valve ball (3) and a liquid discharge valve seat (4), wherein the liquid discharge valve seat (4) is a conical cavity with a small upper part and a large lower part, and the return spring (2) is positioned at the lower part of the liquid discharge valve ball (3).

4. The swing type quantitative watering device of the beam-pumping unit according to claim 1, characterized in that: the partition wall between the liquid inlet valve seat (7) and the liquid discharge valve seat (4) is shared.

5. The swing type quantitative watering device of the beam-pumping unit according to claim 1, characterized in that: two sealing rings are arranged outside the piston (9).

6. The swing type quantitative watering device of the beam-pumping unit according to claim 1, characterized in that: the piston (9) is in grinding fit with the piston cavity (14).