CN212363753U

CN212363753U - Visualization device for oil production flow state

Info

Publication number: CN212363753U
Application number: CN202021172208.9U
Authority: CN
Inventors: 朱同同; 杨杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-01-15
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses an oil recovery flow state visualization device adopts the syringe and annotates the online injection that sand tee bend realized the sand granule, makes the device can be applicable to the flow state test of oil water two-phase flow and oil water sand three-phase flow simultaneously. The specific flowing characteristics of fluid in the organic glass tube can be displayed, the three cameras are arranged along the line, the shooting range of each camera is mutually connected, the organic glass tube is integrally covered and shot, and the multi-camera continuous shooting function is achieved. Set up four sampling valves along the organic glass pipe, can carry out real-time online sampling to intraductal fluid, realize multiposition sample function, help the further test analysis of fluid characteristic. The device has the characteristics of wide application range, three-phase flow of oil, water and sand, online sand injection, multi-camera continuous shooting and multi-position sampling.

Description

Visualization device for oil production flow state

Technical Field

The utility model belongs to the technical field of produce oil, especially, relate to an oil recovery flow state visualization device.

Background

Oil and water are produced on the ground from the stratum through the shaft, and along with the change of parameters such as flow, water content, pressure and the like, oil and water two-phase flow can form different flowing states in the shaft. The flow state is different, and the flow characteristic and the pressure drop characteristic shown by the oil-water two-phase flow are correspondingly different. In order to research the flow parameter change rule of oil-water two-phase flow in a shaft under different flow states, the flow mechanism is deeply understood, and the development of an oil extraction flow state visualization device has important significance.

The traditional shaft visualization device adopts one camera, the coverage range is narrow, and the flowing change rule of the fluid cannot be comprehensively displayed. Meanwhile, parameters such as oil-water emulsification states and sand particle contents are different at different positions of the shaft, and the traditional shaft visualization device cannot realize fluid sampling at different shaft positions and further test and analyze characteristic parameters of the fluid. The traditional shaft visualization device is only suitable for oil-water two-phase flow or oil-gas-water three-phase flow and the like, and the migration rule of sand particles in a fluid cannot be tested.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims at providing an oil recovery flow state visualization device that application scope is wide, oil-water-sand three-phase flow, annotate sand on line, make a video recording in succession more, multiposition sample.

The utility model discloses an online injection of sand granule is realized to syringe and notes sand tee bend, makes the device can be applicable to the mobile state test of oil water two-phase flow and oil water sand three-phase flow simultaneously. The specific flowing characteristics of fluid in the organic glass tube can be displayed, the three cameras are arranged along the line, the shooting range of each camera is mutually connected, the organic glass tube is integrally covered and shot, and the multi-camera continuous shooting function is achieved. Set up four sampling valves along the organic glass pipe, can carry out real-time online sampling to intraductal fluid, realize multiposition sample function, help the further test analysis of fluid characteristic.

The utility model discloses specific technical scheme as follows:

a visual device for the flow state of oil extraction comprises a mixing tank, an electric stirrer, a blow-down valve, a first ball valve, a centrifugal pump, a second ball valve, a flowmeter, a sand injection tee joint, a quick-release device, an injector, a blow-down sampling valve, a bent pipe, a first pressure gauge, an organic glass pipe, a first sampling valve, a second sampling valve, a third sampling valve, a fourth sampling valve, a first camera, a second camera, a third camera, a second pressure gauge, a third ball valve and a recycling bin; an electric stirrer is arranged at the top of the mixing tank; the blowoff valve is connected with the bottom of the mixing tank; the first ball valve is connected with the lower part of the mixing tank; the centrifugal pump is connected with the first ball valve; the outlet of the centrifugal pump is divided into two pipelines, one pipeline is connected with the second ball valve, and the other pipeline is connected with the flowmeter; the ball valve II is connected with the upper part of the mixing tank; the sand injection tee is connected with a flowmeter; the bent pipe is connected with the sand injection tee; the organic glass tube is connected with the bent tube; a first pressure gauge is arranged on a pipeline between the organic glass pipe and the bent pipe; a first camera, a second camera and a third camera are arranged on the side surface of the organic glass tube; the ball valve III is connected with the organic glass pipe; a second pressure gauge is arranged on a pipeline between the third ball valve and the organic glass pipe; and the three outlet pipelines of the ball valve extend into the recycling bin.

The quick-release device is connected with the sand injection tee joint.

The injector is connected with the quick-release device.

And a pipeline between the sand injection tee joint and the bent pipe is connected with a sewage discharge sampling valve.

And a first sampling valve, a second sampling valve, a third sampling valve and a fourth sampling valve are respectively arranged at different positions along the organic glass tube.

Compared with the prior art, the invention has the following beneficial effects:

(1) the injector and the sand injection tee joint are adopted to realize the on-line injection of sand particles, so that the device can be simultaneously suitable for the flow state test of oil-water two-phase flow and oil-water-sand three-phase flow.

(2) The specific flowing characteristics of fluid in the organic glass tube can be displayed, the three cameras are arranged along the line, the shooting range of each camera is mutually connected, the organic glass tube is integrally covered and shot, and the multi-camera continuous shooting function is achieved.

(3) Set up four sampling valves along the organic glass pipe, can carry out real-time online sampling to intraductal fluid, realize multiposition sample function, help the further test analysis of fluid characteristic.

(4) The device has the characteristics of wide application range, three-phase flow of oil, water and sand, online sand injection, multi-camera continuous shooting and multi-position sampling.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In fig. 1: 1-a mixing tank; 2-an electric stirrer; 3-a blowdown valve; 4-a ball valve I; 5-a centrifugal pump; 6-ball valve II; 7-a flow meter; 8-sand injection tee joint; 9-a quick release device; 10-a syringe; 11-a blowdown sampling valve; 12-bending a pipe; 13-pressure gauge one; 14-plexiglass tube; 15-a first sampling valve; 16-a second sampling valve; 17-sampling valve three; 18-sample valve four; 19-camera one; 20-camera two; 21-camera three; 22-a second pressure gauge; 23-ball valve III; and 24, recycling the barrel.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings by way of specific embodiments. The following is a more detailed description of the present invention taken in conjunction with specific preferred embodiments, and it is not intended that the present invention be limited to the specific embodiments described herein. For those skilled in the art, without departing from the spirit of the present invention, several simple deductions or substitutions may be made, which should be considered as belonging to the protection scope of the present invention.

As shown in fig. 1, the utility model discloses a blending tank 1, electric mixer 2, blowoff valve 3, ball valve 4, centrifugal pump 5, two 6 of ball valves, flowmeter 7, notes sand tee bend 8, quick detach device 9, syringe 10, blowdown sampling valve 11, return bend 12, pressure gauge 13, organic glass pipe 14, sampling valve 15, two 16 of sampling valve, three 17 of sampling valve, four 18 of sampling valve, camera 19, two 20 of camera, three 21 of camera, two 22 of pressure gauge, three 23 of ball valve, recycling bin 24.

The top of the mixing tank 1 is provided with an electric stirrer 2, and the electric stirrer 2 stirs the oil-water mixture in the mixing tank 1. And the blow-down valve 3 is connected with the bottom of the mixing tank 1 and is used for discharging waste liquid in the mixing tank 1. And the ball valve I4 is connected with the lower part of the mixing tank 1. The centrifugal pump 5 is connected with the first ball valve 4 and is used for driving fluid to flow. The outlet of the centrifugal pump 5 is divided into two pipelines, one pipeline is connected with the second ball valve 6, and the other pipeline is connected with the flowmeter 7. And the second ball valve 6 is connected with the upper part of the mixing tank 1, and the flow of the fluid is regulated through reflux operation. The sand injection tee joint 8 is connected with a flow meter 7, and the flow meter 7 is used for measuring the flow of fluid. The elbow 12 is connected with the sand injection tee joint 8 and used for converting the angle of a pipeline and simulating a vertical shaft. The quick-release device 9 is connected with the sand injection tee joint 8 and is used for quickly detaching the injector 10. The injector 10 is connected with the quick-release device 9 and is used for containing sand particles and injecting the sand particles. The syringe 10 is provided with a piston inside, the bottom of the piston is connected with a connecting rod, and sand particles are injected by operating the connecting rod and the piston. And a pipeline between the sand injection tee joint 8 and the bent pipe 12 is connected with a sewage sampling valve 11, and the sewage sampling valve 11 is used for sampling fluid and draining liquid of an organic glass pipe 14. The organic glass tube 14 is connected with the bent tube 12 and is used for displaying the flowing state of fluid in the pipeline. The pipeline between the organic glass tube 14 and the bent tube 12 is provided with a first pressure gauge 13 for recording pressure data therein. The sampling valve I15, the sampling valve II 16, the sampling valve III 17 and the sampling valve IV 18 are respectively arranged at different positions along the organic glass tube 14, so that the fluid at different positions of the organic glass tube 14 can be sampled on line in real time. The first camera 19, the second camera 20 and the third camera 21 are arranged on the side face of the organic glass tube 14 and used for shooting the flowing process of the fluid in the organic glass tube 14. The camera shooting ranges of the first camera 19, the second camera 20 and the third camera 21 are mutually connected, the whole organic glass tube 14 can be covered, and the multi-camera continuous shooting function is realized. The third ball valve 23 is connected with the plexiglas tube 14. And a second pressure gauge 22 is arranged on the pipeline between the third ball valve 23 and the organic glass tube 14 and is used for recording pressure data at the position. And an outlet pipeline of the third ball valve 23 extends into the recycling bin 24, and the recycling bin 24 is used for recycling the tested fluid, so that a one-time flow process is realized.

The specific operation process of the utility model is explained as follows:

oil-water two-phase flow test: a predetermined amount of oil and water are injected into the mixing tank 1, and the electric stirrer 2 is turned on to stir. And opening the first ball valve 4, the second ball valve 6 and the third ball valve 23, starting the centrifugal pump 5, and driving the oil-water mixture into the organic glass tube 14. And starting the first camera 19, the second camera 20 and the third camera 21, and after the flow is stable, sampling the fluid on line in real time through the first sampling valve 15, the second sampling valve 16, the third sampling valve 17 and the fourth sampling valve 18. The flowmeter 7 records fluid flow data, the pressure gauge I13 and the pressure gauge II 22 record pressure data, and the camera I19, the camera II 20 and the camera III 21 shoot the flowing process of the fluid in the organic glass tube 14. The tested fluid flows into the recycling bin 24 through the ball valve III 23. After the test is finished, all devices are closed, and waste liquid is discharged from the mixing tank 1 and the organic glass tube 14 through the drain valve 3 and the drain sampling valve 11.

Oil-water sand three-phase flow test: a predetermined amount of oil and water are injected into the mixing tank 1, and the electric stirrer 2 is turned on to stir. The injector 10 is disassembled by the quick disassembling device 9, a certain amount of sand particles and liquid are injected into the injector 10, and the injector 10 is installed by the quick disassembling device 9. And opening the first ball valve 4, the second ball valve 6 and the third ball valve 23, starting the centrifugal pump 5, driving the oil-water mixture into the plexiglas pipe 14, and injecting sand particles into the fluid through the injector 10. And starting the first camera 19, the second camera 20 and the third camera 21, and after the flow is stable, sampling the fluid on line in real time through the first sampling valve 15, the second sampling valve 16, the third sampling valve 17 and the fourth sampling valve 18. The flowmeter 7 records fluid flow data, the pressure gauge I13 and the pressure gauge II 22 record pressure data, and the camera I19, the camera II 20 and the camera III 21 shoot the flowing process of the fluid in the organic glass tube 14. The tested fluid flows into the recycling bin 24 through the ball valve III 23. After the test is finished, all devices are closed, and waste liquid is discharged from the mixing tank 1 and the organic glass tube 14 through the drain valve 3 and the drain sampling valve 11.

In conclusion, the device adopts the injector and the sand injection tee joint to realize the online injection of the sand particles, so that the device can be simultaneously suitable for the flow state test of oil-water two-phase flow and oil-water-sand three-phase flow. The specific flowing characteristics of fluid in the organic glass tube can be displayed, the three cameras are arranged along the line, the shooting range of each camera is mutually connected, the organic glass tube is integrally covered and shot, and the multi-camera continuous shooting function is achieved. Set up four sampling valves along the organic glass pipe, can carry out real-time online sampling to intraductal fluid, realize multiposition sample function, help the further test analysis of fluid characteristic. The device has the characteristics of wide application range, three-phase flow of oil, water and sand, online sand injection, multi-camera continuous shooting and multi-position sampling.

Claims

1. A visualization device for the flow state of oil extraction is characterized by comprising a mixing tank, an electric stirrer, a blow-down valve, a first ball valve, a centrifugal pump, a second ball valve, a flowmeter, a sand injection tee joint, a quick-release device, an injector, a blow-down sampling valve, a bent pipe, a first pressure gauge, an organic glass pipe, a first sampling valve, a second sampling valve, a third sampling valve, a fourth sampling valve, a first camera, a second camera, a third camera, a second pressure gauge, a third ball valve and a recovery barrel; an electric stirrer is arranged at the top of the mixing tank; the blowoff valve is connected with the bottom of the mixing tank; the first ball valve is connected with the lower part of the mixing tank; the centrifugal pump is connected with the first ball valve; the outlet of the centrifugal pump is divided into two pipelines, one pipeline is connected with the second ball valve, and the other pipeline is connected with the flowmeter; the ball valve II is connected with the upper part of the mixing tank; the sand injection tee is connected with a flowmeter; the bent pipe is connected with the sand injection tee; the organic glass tube is connected with the bent tube; a first pressure gauge is arranged on a pipeline between the organic glass pipe and the bent pipe; a first camera, a second camera and a third camera are arranged on the side surface of the organic glass tube; the ball valve III is connected with the organic glass pipe; a second pressure gauge is arranged on a pipeline between the third ball valve and the organic glass pipe; and the three outlet pipelines of the ball valve extend into the recycling bin.

2. The oil recovery flow regime visualization device of claim 1, wherein: the quick-release device is connected with the sand injection tee joint.

3. The oil recovery flow regime visualization device of claim 1, wherein: the injector is connected with the quick-release device.

4. The oil recovery flow regime visualization device of claim 1, wherein: and a pipeline between the sand injection tee joint and the bent pipe is connected with a sewage discharge sampling valve.

5. The oil recovery flow regime visualization device of claim 1, wherein: and a first sampling valve, a second sampling valve, a third sampling valve and a fourth sampling valve are respectively arranged at different positions along the organic glass tube.