CN217055123U

CN217055123U - Fracture acidizing crack flow guide instrument

Info

Publication number: CN217055123U
Application number: CN202122786102.9U
Authority: CN
Inventors: 钱苏剑; 周爱勇; 于磊; 周爱梅
Original assignee: Haian Fada Petroleum Instr Technology Co ltd
Current assignee: Haian Fada Petroleum Instr Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-26
Anticipated expiration: 2031-11-15

Abstract

The utility model belongs to a flow guide instrument, in particular to a fracture acidizing crack flow guide instrument, which comprises a hydraulic machine and a flow guide chamber, wherein the hydraulic machine is positioned on the left side of the flow guide chamber, a first pipeline is arranged on the right side of the hydraulic machine, the other end of the first pipeline is communicated with a U-shaped pipe, a double-plunger pump is arranged on the other end of the U-shaped pipe, a test chamber is arranged between the hydraulic machine and the flow guide chamber, the upper end surface of the test chamber is communicated with a first connecting pipe, the left side and the right side of the flow guide chamber are respectively communicated with an inlet and an outlet, the other ends of the inlet and the outlet are respectively communicated with a T-shaped pipe and a first L-shaped pipe, the outer side wall of the T-shaped pipe is provided with a preheater, the left side of the flow guide chamber is provided with a buffer container and a piston container, the buffer container is positioned in front of the piston container, the upper end surfaces of the buffer container and the piston container are respectively communicated with a second connecting pipe and a third connecting pipe, the method has the characteristics of accurate test data, capability of ensuring that the test is carried out under the unidirectional flow of the test liquid and convenience in controlling the constant outlet pressure.

Description

Fracture acidizing crack flow guide instrument

Technical Field

The utility model relates to a water conservancy diversion appearance, concretely relates to fracture acidizing crack water conservancy diversion appearance.

Background

The fracturing operation is one of the main means for the yield increase and transformation of the low-permeability reservoir in the oil field production; the yield-increasing effect of the fracturing operation is closely related to the flow conductivity of the propped fracture, and the flow conductivity depends on the width of the fracture and the permeability of the proppant after the fracture is closed; therefore, the optimal construction design can be ensured only by optimizing and controlling the quality of the proppants from different sources before the fracturing operation, and the fracture conductivity tester is an instrument for optimizing and controlling the quality of the different proppants before the fracturing operation.

However, when the existing fracture acidizing fracture flow guide instrument is used for detection, the propping agent cannot be in a semi-stable state, so that the test data are not accurate enough.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes among the above-mentioned background art, the utility model provides a fracture acidizing crack guiding apparatus has the convenient characteristics that purify waste water and purification are with low costs.

In order to achieve the above purpose, the utility model provides a following technical scheme: a fracture acidizing crack flow guide instrument comprises a hydraulic machine and a flow guide chamber, wherein the hydraulic machine is located on the left side of the flow guide chamber, a first pipeline is installed on the right side of the hydraulic machine, the other end of the first pipeline is communicated with a U-shaped pipe, a double-plunger pump is installed at the other end of the U-shaped pipe, a test chamber is arranged between the hydraulic machine and the flow guide chamber, the upper end face of the test chamber is connected with a first connecting pipe in a penetrating mode, the other end of the first connecting pipe is communicated with the U-shaped pipe, the left side and the right side of the flow guide chamber are respectively connected with an inlet and an outlet in a penetrating mode, the other ends of the inlet and the outlet are respectively communicated with a T-shaped pipe and a first L-shaped pipe, a preheater is installed on the outer side wall of the T-shaped pipe, a buffer container and a piston container are arranged on the left side of the flow guide chamber, the buffer container is located in front of the piston container, and the upper end faces of the buffer container and the piston container are respectively connected with a second connecting pipe and a third connecting pipe in a penetrating mode, the other end of second connecting pipe and third connecting pipe all communicates with T type pipe, the lateral wall left side through connection of buffer container has the second pipeline, the other end intercommunication of second pipeline has the liquid storage pot, advection pump is installed to the lateral wall of second pipeline.

In order to ensure that the experiment goes on under test liquid one-way flow, conduct the utility model relates to a fracture acidizing crack guiding instrument is preferred, the right side of water conservancy diversion room is provided with vacuum buffer container, vacuum buffer container's the up end left and right sides through connection has second L type pipe and fourth connecting pipe respectively, the vacuum pump is installed to the lateral wall of second L type pipe, the other end and the first L type pipe intercommunication of fourth connecting pipe.

In order to ensure that outlet pressure is invariable, as the utility model relates to a fracturing acidizing crack water conservancy diversion appearance is preferred, the back pressure valve is installed to the lateral wall of first L type pipe, the standpipe is installed to the up end of back pressure valve, the lateral wall left and right sides of standpipe communicates respectively has first violently to manage and violently manage with the second, the position that the second was violently managed is less than the first position of violently managing, pressure regulating valve is installed to the lateral wall of first violently managing.

In order to gather the volume of liquid of discharging, conduct the utility model relates to a fracturing acidizing crack guiding device is preferred, vacuum buffer container's right side is provided with electronic balance, electronic balance's up end is provided with the measuring tank, measuring tank and first L type pipe intercommunication.

For data when conveniently gathering the device operation, as the utility model relates to a fracturing acidizing crack water conservancy diversion appearance is preferred, a plurality of evenly distributed's first installation pipe and second installation pipe are installed to the rear end face of water conservancy diversion room, and are a plurality of pressure sensor and temperature controller are installed respectively to the other end of first installation pipe and second installation pipe, the lateral wall rear end intercommunication of import and export has third installation pipe, two the displacement meter is all installed to the other end of third installation pipe.

In order to calculate the pressure differential between import of water conservancy diversion room and the export, as the utility model relates to a fracture acidizing crack water conservancy diversion appearance is preferred, the preceding terminal surface through connection of water conservancy diversion room has the detection pipeline group, differential pressure sensor is installed to the lateral wall of detection pipeline group.

For the pressure value in conveniently looking over the pipeline, as the utility model relates to a fracturing acidizing crack guiding instrument is preferred, the lateral wall upper end intercommunication of first pipeline has fixed pipe, the manometer is installed to the other end of fixed pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the fracture acidizing fracture flow guide instrument is used, a test chamber filled with a propping agent is connected through a first connecting pipe, simultaneously starting the hydraulic machine and the double-plunger pump, so that the hydraulic machine and the double-plunger pump apply different closing pressures to the test chamber filled with the proppant to ensure that the proppant is in a semi-stable state, meanwhile, test liquid is injected into the proppant layer in the diversion chamber through the advection pump, the buffer container and the piston container, and is collected at regular time through various sensors and a computer, the fracture width, differential pressure, etc. at each closure pressure are measured, then the permeability and fracture conductivity of the proppant formation are calculated using darcy's formula, the process is repeated until the various closure pressures and flow rates required are evaluated, and then the proppant diversion capability test is completed, and the device preheats the injected fluid by arranging the preheater, so that the temperature of the injected fluid and the temperature of the diversion chamber are kept consistent.

2. This kind of fracture acidizing crack guiding instrument, during the use, through setting up vacuum buffer vessel and vacuum pump, the evacuation is carried out to the gas in water conservancy diversion room, the pipeline, ensures that the experiment goes on under the test liquid one-way flow, guarantees to survey the stability of pressure testing, and vacuum buffer vessel adopts transparent organic glass preparation, when managing out the saturated water, can take out until there is water to appear in the buffer vessel always.

3. This kind of fracture acidizing crack water conservancy diversion appearance, during the use, through setting up back pressure valve and pressure regulating valve, control water conservancy diversion room exit pressure, when water conservancy diversion room exit pressure reaches back pressure valve top control pressure, the back pressure valve is automatic opens the pressure release, ensures that exit pressure is invariable, and control pressure must be with gas control to ensure control accuracy.

To sum up, the fracture acidizing crack flow guide instrument has the characteristics of accurate test data, capability of ensuring that the test is carried out under the unidirectional flow of the test liquid and convenience in controlling the constant outlet pressure.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a structural diagram of a fracture acidizing fracture flow guide instrument of the utility model;

fig. 2 is a front view of a fracture acidizing fracture flow guide instrument of the utility model;

fig. 3 is the utility model discloses a fracturing acidizing crack water conservancy diversion appearance top view.

In the figure, 1, a hydraulic press; 101. a first conduit; 102. a U-shaped pipe; 103. a double plunger pump; 104. fixing the tube; 105. a pressure gauge; 106. a pressure sensor; 107. a first connecting pipe; 108. a test chamber; 2. a buffer container; 201. a second conduit; 202. a liquid storage tank; 203. a advection pump; 204. a second connecting pipe; 3. a piston reservoir; 301. a third connecting pipe; 4. a flow guide chamber; 401. an inlet; 402. an outlet; 403. a T-shaped pipe; 4031. a preheater; 404. a first L-shaped pipe; 405. a back pressure valve; 4051. a vertical tube; 4052. a first cross tube; 4053. a pressure regulating valve; 4054. a second cross tube; 406. a first mounting tube; 407. a second mounting tube; 4071. a temperature controller; 408. a third mounting tube; 4081. a displacement meter; 5. a vacuum buffer container; 501. A connecting pipe; 502. a second L-shaped pipe; 503. a vacuum pump; 6. an electronic balance; 601. measuring the tank; 7. Detecting a pipeline group; 701. and a differential pressure sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides the following technical solutions: a fracture acidizing crack flow guide instrument comprises a hydraulic machine 1 and a flow guide chamber 4, wherein the hydraulic machine 1 is located on the left side of the flow guide chamber 4, a first pipeline 101 is installed on the right side of the hydraulic machine 1, the other end of the first pipeline 101 is communicated with a U-shaped pipe 102, a double-plunger pump 103 is installed at the other end of the U-shaped pipe 102, a test chamber 108 is arranged between the hydraulic machine 1 and the flow guide chamber 4, a first connecting pipe 107 is connected to the upper end face of the test chamber 108 in a penetrating mode, the other end of the first connecting pipe 107 is communicated with the U-shaped pipe 102, an inlet 401 and an outlet 402 are respectively connected to the left side and the right side of the flow guide chamber 4 in a penetrating mode, the other ends of the inlet 401 and the outlet 402 are respectively communicated with a T-shaped pipe 403 and a first L-shaped pipe 404, a preheater 4031 is installed on the outer side wall of the T-shaped pipe, a buffer container 2 and a piston container 3 are arranged on the left side of the flow guide chamber 4, the buffer container 2 is located in front of the piston container 3, the upper end faces of the buffer container 2 and the piston container 3 are respectively connected with a second connecting pipe 204 and a third connecting pipe 301, the other ends of the second connecting pipe 204 and the third connecting pipe 301 are both communicated with the T-shaped pipe 403, the left side of the outer side wall of the buffer container 2 is connected with a second pipeline 201 in a penetrating manner, the other end of the second pipeline 201 is communicated with a liquid storage tank 202, and the outer side wall of the second pipeline 201 is provided with a constant flow pump 203.

In this embodiment: the types of the advection pump 203 are: LB-10C; the vacuum pump 503 is of the type: 2 XZ-2; the electronic balance 6 is of the type: BS 4202S; the model of the temperature controller 4071 is: XT-7000; the displacement gauge 4081 is of the type: GA-10(5 CB-10C); the differential pressure sensor 701 has the following model: 3051 DP; in use, the test chamber 108 containing proppant is first connected via the first connection pipe 107, simultaneously starting the hydraulic machine 1 and the double-plunger pump 103, so that the hydraulic machine 1 and the double-plunger pump 103 apply different closing pressures to the test chamber 108 filled with the propping agent, the propping agent is in a semi-stable state, meanwhile, test liquid is injected into the proppant layer in the flow guide chamber 4 through the advection pump 203, the buffer container 2 and the piston container 3, and is collected at regular time through various sensors and a computer, the fracture width, differential pressure, etc. at each closure pressure are measured, then the permeability and fracture conductivity of the proppant formation are calculated using darcy's formula, the process is repeated until the various closure pressures and flow rates required are evaluated, and then, a proppant diversion capability test is completed, and the device preheats the injected fluid by arranging the preheater 4031, so that the temperature of the injected fluid is ensured to be consistent with that of the diversion chamber 4 and the like.

As a technical optimization scheme of the utility model, the right side of blast chamber 4 is provided with vacuum buffer container 5, and the up end left and right sides of vacuum buffer container 5 is run through respectively and is connected with second L type pipe 502 and fourth connecting pipe 501, and vacuum pump 503 is installed to the lateral wall of second L type pipe 502, and fourth connecting pipe 501's the other end and first L type pipe 404 intercommunication.

In this embodiment: during the use, through setting up vacuum buffer vessel 5 and vacuum pump 503, evacuate the gas in flow guide chamber 4, the pipeline, ensure that the test is gone on under the test liquid unidirectional flow, guarantee to survey the stability of pressure testing, vacuum buffer vessel 5 adopts transparent organic glass preparation, when managing to find time the saturated water, can take out until there is water to appear in the buffer vessel always.

As a technical optimization scheme of the utility model, back-pressure valve 405 is installed to the lateral wall of first L type pipe 404, and standpipe 4051 is installed to the up end of back-pressure valve 405, and standpipe 4051's the lateral wall left and right sides communicates respectively has first violently pipe 4052 and the violently pipe 4054 of second, and the position that the second violently managed 4054 is less than the first position of violently managing 4052, and pressure regulating valve 4053 is installed to the first lateral wall of violently managing 4052.

In this embodiment: during the use, through setting up back pressure valve 405 and pressure regulating valve 4053, control diversion chamber 4 export 402 pressure, when diversion chamber 4 export 402 pressure reaches back pressure valve 405 top control pressure, back pressure valve 405 opens the pressure release automatically, ensures that export 402 pressure is invariable, and control pressure must be with gas control to ensure control accuracy.

As a technical optimization scheme of the utility model, vacuum buffer container 5's right side is provided with electronic balance 6, and electronic balance 6's up end is provided with measurement jar 601, measures jar 601 and first L type pipe 404 intercommunication.

In this embodiment: when the liquid quantity measuring device is used, the electronic balance 6 and the measuring tank 601 are arranged, so that the liquid quantity discharged can be collected timely, and the liquid flow can be calculated.

As a technical optimization scheme of the utility model, a plurality of evenly distributed's first installation pipe 406 and second installation pipe 407 are installed to the rear end face of diversion chamber 4, and pressure sensor 106 and temperature controller 4071 are installed respectively to a plurality of first installation pipes 406 and second installation pipe 407's the other end, and the lateral wall rear end intercommunication of import 401 and export 402 has third installation pipe 408, and displacement meter 4081 is all installed to the other end of two third installation pipes 408.

In this embodiment: during the use, through setting up pressure sensor 106, temperature controller 4071 and displacement meter 4081 for the device is convenient to gather the data when the device moves, has improved the device's practicality.

As a technical optimization scheme of the utility model, the preceding terminal surface through connection of water conservancy diversion room 4 has detection pipeline group 7, and differential pressure sensor 701 is installed to the lateral wall of detection pipeline group 7.

In this embodiment: when the device is used, the detection pipeline group 7 and the differential pressure sensor 701 are arranged, so that the device can automatically calculate the pressure difference between the inlet 401 and the outlet 402 of the diversion chamber 4 when in operation.

As a technical optimization scheme of the utility model, the lateral wall upper end intercommunication of first pipeline 101 has fixed pipe 104, and manometer 105 is installed to the other end of fixed pipe 104.

In this embodiment: during the use, through setting up manometer 105 for the staff conveniently looks over the device pressure value in the pipeline when operation, and then has improved the device's practicality.

The utility model discloses a theory of operation and use flow: in use, the test chamber 108 containing proppant is first connected via the first connection pipe 107, simultaneously starting the hydraulic machine 1 and the double-plunger pump 103, so that the hydraulic machine 1 and the double-plunger pump 103 apply different closing pressures to the test chamber 108 filled with the proppant, the proppant is in a semi-stable state, meanwhile, test liquid is injected into the proppant layer in the flow guide chamber 4 through the advection pump 203, the buffer container 2 and the piston container 3, and is collected at regular time through various sensors and a computer, the fracture width, differential pressure, etc. at each closure pressure are measured, then the permeability and fracture conductivity of the proppant formation are calculated using darcy's formula, the process is repeated until the various required closure pressures and flow rates are evaluated, and then, a proppant diversion capability test is completed, and the device preheats the injected fluid by arranging the preheater 4031, so that the temperature of the injected fluid is ensured to be consistent with that of the diversion chamber 4 and the like.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a fracture acidizing crack guide instrument, includes hydraulic press (1) and diversion chamber (4), hydraulic press (1) are located the left side of diversion chamber (4), its characterized in that: a first pipeline (101) is installed on the right side of the hydraulic machine (1), the other end of the first pipeline (101) is communicated with a U-shaped pipe (102), a double-plunger pump (103) is installed on the other end of the U-shaped pipe (102), a testing chamber (108) is arranged between the hydraulic machine (1) and the diversion chamber (4), the upper end face of the testing chamber (108) is connected with a first connecting pipe (107) in a penetrating manner, the other end of the first connecting pipe (107) is communicated with the U-shaped pipe (102), the left side and the right side of the diversion chamber (4) are respectively connected with an inlet (401) and an outlet (402) in a penetrating manner, the other ends of the inlet (401) and the outlet (402) are respectively communicated with a T-shaped pipe (403) and a first L-shaped pipe (404), a preheater (4031) is installed on the outer side wall of the T-shaped pipe (403), and a buffer container (2) and a piston container (3) are arranged on the left side of the diversion chamber (4), buffer container (2) are located the place ahead of piston container (3), the up end of buffer container (2) and piston container (3) has second connecting pipe (204) and third connecting pipe (301) through connection respectively, the other end of second connecting pipe (204) and third connecting pipe (301) all communicates with T type pipe (403), the lateral wall left side through connection of buffer container (2) has second pipeline (201), the other end intercommunication of second pipeline (201) has liquid storage pot (202), advection pump (203) is installed to the lateral wall of second pipeline (201).

2. The fracture acidizing fracture conductivity meter of claim 1, wherein: the right side of diversion room (4) is provided with vacuum buffer container (5), the upper end face left and right sides of vacuum buffer container (5) is run through respectively and is connected with second L type pipe (502) and fourth connecting pipe (501), vacuum pump (503) are installed to the lateral wall of second L type pipe (502), the other end and first L type pipe (404) intercommunication of fourth connecting pipe (501).

3. The fracture acidizing fracture conductivity meter of claim 1, wherein: back-pressure valve (405) are installed to the lateral wall of first L type pipe (404), standpipe (4051) are installed to the up end of back-pressure valve (405), the lateral wall left and right sides of standpipe (4051) communicates respectively and has first violently pipe (4052) and the horizontal pipe of second (4054), the position that the horizontal pipe of second (4054) is less than the position of first violently pipe (4052), pressure regulating valve (4053) are installed to the lateral wall of first violently pipe (4052).

4. The fracture acidizing fracture conductivity meter of claim 2, wherein: an electronic balance (6) is arranged on the right side of the vacuum buffer container (5), a measuring tank (601) is arranged on the upper end face of the electronic balance (6), and the measuring tank (601) is communicated with the first L-shaped pipe (404).

5. The fracture acidizing fracture conductivity meter of claim 1, wherein: the rear end face of diversion chamber (4) installs a plurality of evenly distributed's first installation pipe (406) and second installation pipe (407), and is a plurality of pressure sensor (106) and temperature controller (4071) are installed respectively to the other end of first installation pipe (406) and second installation pipe (407), the lateral wall rear end intercommunication of import (401) and export (402) has third installation pipe (408), two displacement meter (4081) are all installed to the other end of third installation pipe (408).

6. The fracture acidizing fracture conductivity meter of claim 1, wherein: the front end face of the diversion chamber (4) is connected with a detection pipeline set (7) in a penetrating mode, and a differential pressure sensor (701) is installed on the outer side wall of the detection pipeline set (7).

7. The fracture acidizing fracture conductivity meter of claim 1, wherein: the upper end of the outer side wall of the first pipeline (101) is communicated with a fixed pipe (104), and a pressure gauge (105) is installed at the other end of the fixed pipe (104).