CN216381280U

CN216381280U - Well killing fluid circulation tank

Info

Publication number: CN216381280U
Application number: CN202122472945.1U
Authority: CN
Inventors: 潘伟兵; 王启钱; 伍公平; 秦虎; 卢成林
Original assignee: Karamay Hongxing Petroleum Engineering Technology Service Co ltd
Current assignee: Karamay Hongxing Petroleum Engineering Technology Service Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-04-26
Anticipated expiration: 2031-10-14

Abstract

The utility model provides a well killing fluid circulating tank, and belongs to the field of well killing fluid transferring equipment in oil testing production. The device includes the base, the circulation jar that sets up on the base, the liquid storage pot of placing in the middle of the circulation tank deck portion, lower part is equipped with the baffle in the circulation jar, the baffle divide into upper liquid storage tank and lower floor sedimentation tank with the circulation jar, the breach makes liquid storage tank and sedimentation tank intercommunication is seted up on the baffle right side, the circulation jar is equipped with an at least circulating pipe outward, the circulating pipe feed liquor end stretches into the sedimentation tank lower part, the circulating pipe goes out the liquid end and gets into in the liquid storage pot from the liquid storage pot top, be equipped with the circulating pump on the circulating pipe, liquid storage pot right side lower part is equipped with at least one drain pipe. The liquid discharging height of the circulating tank is reduced, the liquid storage tank is connected with the liquid inlet pipe of the pump truck by adopting the advection self-pressure outlet, the resistance caused by the height difference when the pump truck pumps liquid is reduced, and the working efficiency of the pump truck operation and the utilization rate of the well killing liquid are improved; the construction cost is reduced, and the construction process meets the requirements of environmental protection and safety.

Description

Well killing fluid circulation tank

Technical Field

The utility model belongs to the field of well killing fluid transfer equipment in test oil production, and particularly relates to a well killing fluid circulating tank.

Background

The well killing liquid with different specific gravity performances is often used in the production process of the test oil, for the well killing liquid (mud) with large specific gravity (not less than 1.4), the prepared liquid is transported to a well site from a tank truck and is stored by a landing open tank and then is injected into the well by a pump truck according to the construction requirement in the prior construction, and the pump truck has low efficiency in the process of injecting the well killing liquid (mud) into the well because the suction height difference of the pump truck is usually about 1.45 meters and the length of a suction pipe is 6 meters; and the loss of the pump truck is large, and the construction requirement cannot be met.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the well killing fluid circulating tank which can improve the construction operation efficiency and the utilization rate of the well killing fluid.

In order to achieve the purpose, the technical scheme adopted by the utility model is that the well killing liquid circulating tank comprises a base, a circulating tank arranged on the base and a liquid storage tank arranged in the middle of the top of the circulating tank, a partition plate is arranged at the lower part in the circulating tank and divides the circulating tank into an upper liquid storage tank and a lower sedimentation tank, a notch is formed in the right side of the partition plate so as to enable the liquid storage tanks to be communicated with the sedimentation tanks, at least one circulating pipe is arranged outside the circulating tank, the liquid inlet end of the circulating pipe extends into the lower part of the sedimentation tank, the liquid outlet end of the circulating pipe enters the liquid storage tank from the top of the liquid storage tank, a circulating pump is arranged on the circulating pipe, and at least one liquid outlet pipe is arranged at the lower part of the right side of the liquid storage tank.

Furthermore, a filtering mechanism is arranged in the liquid storage tank below the left side wall of the liquid storage tank, the filtering mechanism comprises a filtering screen plate, a lower baffle plate and an upper baffle plate, a lower clamping groove is formed between the two parallel lower baffle plates, an upper clamping groove is formed between the two parallel upper baffle plates, and the filtering screen plate is placed in the lower clamping groove and the upper clamping groove.

Preferably, the top of the filter screen plate is provided with at least one handle.

Further, the circulating tank right side is equipped with the workstation, and the metal mesh is fixed at the circulating tank top on workstation top and liquid storage pot right side, and the circulating pump is located inside the workstation.

Furthermore, a ladder is arranged on the front side of the workbench.

Further, an electric cabinet is arranged on the rear side of the workbench, and the circulating pump is electrically connected with the electric cabinet.

Furthermore, a liquid level ruler is arranged in the liquid storage tank.

Furthermore, a cleaning pipe is arranged at the lower part of the circulating tank and communicated with the lower part of the sedimentation tank.

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

1. the well killing fluid circulating tank of the utility model divides the liquid storage tank and the circulating tank into an upper structure and a lower structure, adopts a large-reserve small-circulating mode, and adds a circulating pump between the liquid storage tank and the circulating tank to adjust the fluid amounts of the upper tank and the lower tank; the liquid discharge height of the circulating tank is reduced, and the suction mode of a sedimentation tank is adopted in the tank, so that the well killing liquid (slurry) transported to the site can be fully utilized; the liquid storage tank is connected with a liquid inlet pipe of the pump truck by adopting a advection self-pressure outlet, and the height difference between the table surface of the pump truck and the tank bottom is controlled to be less than or equal to 30 CM.

2. The resistance caused by the height difference when the pump truck pumps liquid is reduced, the working efficiency of the pump truck operation is improved, the construction operation time of the pump truck is reduced, the purpose of reducing the production cost is achieved, the recovery rate of residual liquid and the utilization rate of well killing liquid are improved, and the construction operation efficiency is improved; the construction cost is reduced; the construction process can meet the requirements of environmental protection and safety.

Drawings

FIG. 1 is a schematic perspective view of a kill fluid circulation tank of the present invention;

FIG. 2 is a front view of the kill fluid circulation tank of the present invention;

FIG. 3 is a right side view of the kill fluid circulation tank of the present invention;

FIG. 4 is a top view of the kill fluid circulation tank of the present invention;

FIG. 5 is a rear view of the kill fluid circulation tank of the present invention;

FIG. 6 is a left side view of the kill fluid circulation tank of the present invention;

reference numerals: 1-base, 2-circulation tank, 3-partition board, 4-lower baffle, 5-filter screen board, 6-upper baffle, 7-handle, 8-liquid storage tank, 9-workbench, 10-ladder, 11-metal net, 12-circulation pipe, 13-circulation pump, 14-liquid level ruler, 15-liquid outlet pipe, 16-cleaning pipe and 17-electric cabinet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

Referring to fig. 1-6, a kill fluid circulation tank 2 provided in this embodiment includes a base 1, a circulation tank 2 disposed on the base 1, and a fluid reservoir 8 disposed in the middle of the top of the circulation tank 2, a partition plate 3 is disposed at the lower portion of the circulation tank 2, the partition plate 3 divides the circulation tank 2 into an upper fluid reservoir and a lower settling reservoir, a notch is formed at the right side of the partition plate 3 to communicate the fluid reservoir with the settling reservoir, at least one circulation pipe 12 is disposed outside the circulation tank 2, a fluid inlet end of the circulation pipe 12 extends into the lower portion of the settling reservoir, a fluid outlet end of the circulation pipe 12 enters the fluid reservoir 8 from the top of the fluid reservoir 8, a circulation pump 13 is disposed on the circulation pipe 12, and at least one fluid outlet pipe 15 is disposed at the lower portion of the right side of the fluid reservoir 8; a filtering mechanism is arranged in the liquid storage tank below the left side wall of the liquid storage tank 8, the filtering mechanism comprises a filtering screen 5, a lower baffle 4 and an upper baffle 6, a lower clamping groove is formed between the two parallel lower baffles 4, an upper clamping groove is formed between the two parallel upper baffles 6, and the filtering screen 5 is placed in the lower clamping groove and the upper clamping groove; the top of the filter screen plate 5 is provided with at least one handle 7; a workbench 9 is arranged on the right side of the circulating tank 2, a metal net 11 is fixed on the top of the workbench 9 and the top of the circulating tank 2 on the right side of the liquid storage tank 8, and a circulating pump 13 is positioned inside the workbench 9; the utility model discloses a sedimentation basin, including workstation 9, circulating pump 13, liquid storage pot 8, circulation tank 2, workstation 9 front side is equipped with ladder 10, workstation 9 rear side is equipped with electric cabinet 17, circulating pump 13 and electric cabinet 17 electric connection, be equipped with liquid level ruler 14 in the liquid storage pot 8, the lower part of circulation tank 2 is equipped with clearance pipe 16, clearance pipe 16 and sedimentation tank lower part intercommunication.

In the embodiment, the top parts of the circulating tank 2 and the liquid storage tank 8 are both open, two circulating pipes 12 are arranged in parallel, two liquid outlet pipes 15 are arranged on the right side of the liquid storage tank 8, and valves are arranged on the liquid outlet pipes 15; rectangular notch has been seted up on 3 right sides of baffle, and filter mechanism divides into two parts with the liquid storage tank, and the left side is for unloading liquid district, and the right side is mobile storage area.

The working process of the well killing fluid circulating tank 2 comprises the following steps: the well killing fluid configured in a factory is transported to a well site by a tank truck, unloaded from the top of the left side of the circulating tank 2 and enters a fluid unloading area, and the well killing fluid is filtered by a filter screen plate 5 and enters a flow storage area, and then enters a sedimentation tank from the gap of the partition plate 3 after reaching the right side; then the electric control box 17 starts the circulating pump 13 to pump the killing fluid to the liquid storage tank 8, the killing fluid is measured by the liquid level ruler 14, the liquid outlet pipe 15 of the liquid storage tank 8 is connected with the liquid inlet pipe of the pump truck and is injected into a well head, the liquid inlet end of the circulating pipe 12 is bent downwards to be close to the bottom of the sedimentation tank, residual liquid in the circulating tank 2 can be recycled to the tank truck by the circulating pump 13, and the recovery rate can reach more than 93%.

The above description is of the preferred embodiment of the present invention and is not intended to limit the utility model, and those skilled in the art may make modifications and improvements within the spirit and principle of the present invention.

Claims

1. The utility model provides a kill fluid circulation jar which characterized in that: including base (1), circulation jar (2) that set up on base (1), liquid storage pot (8) of placing in the middle of circulation jar (2) top, lower part is equipped with baffle (3) in circulation jar (2), baffle (3) divide into upper liquid storage tank and lower floor sedimentation tank circulation jar (2), breach messenger's liquid storage tank and sedimentation tank intercommunication are seted up on baffle (3) right side, circulation jar (2) are equipped with an at least circulating pipe (12) outward, circulating pipe (12) feed liquor end stretches into the sedimentation tank lower part, circulating pipe (12) play liquid end is from liquid storage pot (8) top entering liquid storage pot (8) in, be equipped with circulating pump (13) on circulating pipe (12), liquid storage pot (8) right side lower part is equipped with at least one drain pipe (15).

2. The kill fluid circulation tank of claim 1, wherein: the liquid storage tank is characterized in that a filtering mechanism is arranged in the liquid storage tank below the left side wall of the liquid storage tank (8), the filtering mechanism comprises a filtering screen plate (5), lower baffles (4) and upper baffles (6), a lower clamping groove is formed between the lower baffles (4) which are parallel to each other, an upper clamping groove is formed between the upper baffles (6) which are parallel to each other, and the filtering screen plate (5) is placed in the lower clamping groove and the upper clamping groove.

3. The kill fluid circulation tank of claim 2, wherein: the top of the filter screen plate (5) is provided with at least one handle (7).

4. The kill fluid circulation tank of claim 1, wherein: the right side of the circulating tank (2) is provided with a workbench (9), the top of the workbench (9) and the top of the circulating tank (2) on the right side of the liquid storage tank (8) are provided with a fixed metal net (11), and the circulating pump (13) is positioned inside the workbench (9).

5. The kill fluid circulation tank of claim 4, wherein: a ladder (10) is arranged on the front side of the workbench (9).

6. The kill fluid circulation tank of claim 5, wherein: the electric cabinet (17) is arranged on the rear side of the workbench (9), and the circulating pump (13) is electrically connected with the electric cabinet (17).

7. The kill fluid circulation tank of claim 1, wherein: a liquid level ruler (14) is arranged in the liquid storage tank (8).

8. The kill fluid circulation tank of claim 1, wherein: and a cleaning pipe (16) is arranged at the lower part of the circulating tank (2), and the cleaning pipe (16) is communicated with the lower part of the sedimentation tank.