CN106769788B - Rock-soil body pressurized water test device and test method - Google Patents

Rock-soil body pressurized water test device and test method Download PDF

Info

Publication number
CN106769788B
CN106769788B CN201710091824.8A CN201710091824A CN106769788B CN 106769788 B CN106769788 B CN 106769788B CN 201710091824 A CN201710091824 A CN 201710091824A CN 106769788 B CN106769788 B CN 106769788B
Authority
CN
China
Prior art keywords
water
test
measuring
pressurized
osmometer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710091824.8A
Other languages
Chinese (zh)
Other versions
CN106769788A (en
Inventor
汪小刚
段庆伟
姜龙
王玉杰
曹瑞琅
赵宇飞
孙平
刘立鹏
林兴超
郑理峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Institute of Water Resources and Hydropower Research
Original Assignee
China Institute of Water Resources and Hydropower Research
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Institute of Water Resources and Hydropower Research filed Critical China Institute of Water Resources and Hydropower Research
Priority to CN201710091824.8A priority Critical patent/CN106769788B/en
Publication of CN106769788A publication Critical patent/CN106769788A/en
Application granted granted Critical
Publication of CN106769788B publication Critical patent/CN106769788B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082Investigating permeability by forcing a fluid through a sample
    • G01N15/0826Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention provides a rock-soil body pressurized water test device, which comprises a water stop plug, a water supply device and a measuring device, wherein the water supply device comprises a water containing tank, and the water stop plug is used for plugging a section of a pressurized water test drill hole to form a pressurized water test section; the measuring device comprises an osmometer fixedly arranged on the pressurized water test section and used for measuring the pressure of the test section, and an osmometer arranged in the water containing tank and used for measuring the flow and a pressurized water test real-time monitoring device; the cable of the osmometer for measuring the pressure of the test section is led out through a reserved steel pipe water outlet hole of a rubber plug arranged in the pressurized water test section and is connected with the pressurized water test real-time monitoring device; and a cable of the osmometer for measuring flow is led out of the water containing tank and is connected with the real-time monitoring device for the pressurized water test. The invention can accurately monitor the pressure of the test section and the water supply flow, thereby accurately evaluating the permeability characteristics of the rock-soil body.

Description

Rock-soil body pressurized water test device and test method
Technical Field
The invention belongs to the technical field of rock-soil body permeability tests, and particularly relates to a rock-soil body pressurized water test device and a test method.
Background
When an engineering building is built on or in a rock-soil body, the water permeability of the rock-soil body in a building area and an influence range must be studied. The method for measuring the permeability of the rock and soil mass comprises a pressurized water test, a water injection test, a water pumping test and the like. Wherein the pressurized water test is the most commonly used in situ penetration test of rock and soil bodies in boreholes. The concrete method is that during drilling or after drilling, a plug is used to isolate a hole section with a certain length from the hole section Yu Kongduan, water is sent into the test section by different pressures, the corresponding flow value is measured, and the water permeability of the rock mass is calculated according to the flow value.
The pressurized water test result is mainly used for evaluating the permeability characteristics (the water permeability and the variation trend thereof under different pressures) of the rock-soil body and is used as a basic basis for the permeability control design. The test equipment comprises a water stop plug, a water supply device, a measuring device and the like.
In the prior art, the pressure gauge and the flowmeter of the pressurized water test device (see figure 1) are arranged outside the orifice, so that the pressure loss of the pipeline, the pipe joint and the like is difficult to calibrate under the pressure of each stage in the pressurized water data arrangement process, and the permeation characteristics of the rock-soil body are difficult to accurately analyze and evaluate due to the influence of human factors, environmental factors and the like.
Disclosure of Invention
The invention aims to provide a rock-soil body pressurized water test device so as to solve the problems.
The embodiment of the invention provides a rock-soil body pressurized water test device, which comprises a water stop plug, a water supply device and a measuring device, wherein the water supply device comprises a water containing tank, and the water stop plug is used for plugging one section of a pressurized water test drill hole to form a pressurized water test section; the measuring device comprises an osmometer fixedly arranged on the pressurized water test section and used for measuring the pressure of the test section, and an osmometer arranged in the water containing tank and used for measuring the flow, and a pressurized water test real-time monitoring device; the cable of the osmometer for measuring the pressure of the test section is led out through a reserved steel pipe water outlet hole of a rubber plug arranged in the pressurized water test section and is connected with a pressurized water test real-time monitoring device; the cable of the osmometer for measuring flow is led out of the water containing tank and is connected with the real-time monitoring device for the pressurized water test.
Further, the water stop plug is a hydraulic rubber plug.
Further, the water supply device also comprises a centrifugal water suction pump, an air stabilization chamber, a water supply pipeline, a connector, a water stopping pipeline and a connector; the centrifugal water suction pump is connected with the water containing tank, the air stabilization chamber is connected with the centrifugal water suction pump, and the water supply pipeline and the connector, the water stopping pipeline and the connector are respectively connected with the air stabilization chamber and the water pressing test section.
Further, the air stabilization chamber is provided with an exhaust valve, the water supply pipeline and the joint are provided with a water supply control valve, and the water stopping pipeline and the joint are provided with a water stopping control valve.
Compared with the prior art, the invention has the beneficial effects that: the pressure and water supply flow of the test section can be accurately monitored, so that the permeability characteristics of the rock-soil body can be accurately evaluated.
Drawings
FIG. 1 is a schematic diagram of a prior art rock and soil body pressurized water test apparatus;
FIG. 2 is a schematic structural view of a rock-soil body water pressure test device according to the present invention;
FIG. 3 is a schematic illustration of a pressurized water test section of a rock and soil body pressurized water test apparatus of the present invention;
FIG. 4 is a schematic diagram of a real-time monitoring device for a pressurized water test of a rock-soil body pressurized water test device according to the present invention.
Reference numerals in fig. 1:
1-a water tank; 2-a centrifugal water suction pump; 3-an exhaust valve; 4-an air stabilization chamber; 5-a water supply control valve; 6-a water supply pipeline and a joint; 7-a water stop control valve; 8-a water stop pipeline and a connector; 9-a flow meter; 10-a pressure gauge; 11-reserving a steel pipe water outlet hole by a rubber plug; 12-a rubber plug plugging section; 13-drilling by a pressurized water test.
Detailed Description
The present invention will be described in detail below with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited to the present invention, and functional, method, or structural equivalents and alternatives according to the embodiments are within the scope of protection of the present invention by those skilled in the art.
Referring to fig. 2 to 4, the present embodiment provides a device for testing the pressurized water of a rock-soil body, comprising a water stop plug, a water supply device and a measuring device, wherein the water supply device comprises a water containing tank 1, the water stop plug is used for plugging a section of a pressurized water test drill hole 13 to form a pressurized water test section 12 (a rubber plug plugging section); the measuring device comprises an osmometer 14 fixedly arranged on the pressurized water test section and used for measuring the pressure of the test section, an osmometer 10 arranged in the water containing tank 1 and used for measuring the flow rate, and a pressurized water test real-time monitoring device 16; the cable 15 of the osmometer for measuring the pressure of the test section is led out through a reserved steel pipe water outlet hole 11 of a rubber plug arranged in the pressurized water test section and is connected with a pressurized water test real-time monitoring device 16; the cable 9 of the osmometer for measuring flow is led out of the water containing tank 1 and is connected with a real-time monitoring device 16 for the pressurized water test.
In this embodiment, the water stop plug is a hydraulic rubber plug.
In the embodiment, the water supply device also comprises a centrifugal water suction pump 2, an air stabilization chamber 4, a water supply pipeline and joint 6, a water stopping pipeline and joint 8; the centrifugal water suction pump 2 is connected with the water containing tank 1, the air stabilization chamber 4 is connected with the centrifugal water suction pump 2, and the water supply pipeline and the joint 6, the water stopping pipeline and the joint 8 are respectively connected with the air stabilization chamber 4 and the pressurized water test section 12.
In this embodiment, the air stabilization chamber 4 is provided with an exhaust valve 3, the water supply pipe and joint 6 is provided with a water supply control valve 5, and the water stop pipe and joint 8 is provided with a water stop control valve 7.
The pressurized water test device provided by the embodiment can accurately monitor the pressure of a test section and the water supply flow, thereby accurately evaluating the permeability of a rock-soil body, and has the following characteristics:
1. directly measuring the water pressure in the test section, namely the test pressure;
2. directly measuring the water supply flow through an osmometer in the water containing tank;
3. the measuring instrument (a real-time monitoring device for the pressurized water test) is an automatic acquisition device, monitors pressure and flow in real time, and guides the water supply equipment and the opening and closing of a control valve for testing the pressure.
The components of the present invention and the method of mounting (testing) the same are further described below:
detailed description of the various components:
1) The water supply equipment adopts a water containing tank with the length and width of 1.0m and the height of 1.0m and 1.2m, and the lower part of the water containing tank is connected with a conical funnel so that water in the water containing tank flows out smoothly;
2) The centrifugal water pump adopts a water pumping device which has reliable work, stable pressure and uniform water outlet, can keep the flow rate of 100L/min under the pressure of 1MPa, and is provided with a stable pressure air chamber with the volume of more than 5L below the water pumping device;
3) The water supply pipeline and the joint adopt a micro-expansion high-pressure rubber pipe with the diameter phi 30 and a pipeline joint matched with the corresponding diameter so as to facilitate the test water to be smooth;
4) The osmometer for measuring the flow adopts a small-range osmometer with the measuring precision of 0.01kPa measuring range of 30kPa (3 m water head height is tested), so that the flow is tested accurately, and the requirements of testing and later data arrangement are met;
5) The water stop plug adopts high-pressure rubber plugs matched with different drilling diameters so as to fill water and expand to plug corresponding test sections;
6) The water-stopping pipeline and the joint adopt a micro-expansion high-pressure rubber pipe with the diameter phi 10 and a pipeline joint matched with the corresponding diameter;
7) A national standard pressure gauge with the measuring range of 5MPa and the precision of 0.01MPa is adopted for measuring the water stop pressure so as to detect the plugging effect;
8) The osmometer for measuring the pressure of the test section adopts a large-range osmometer with the testing precision of 0.1kPa measuring range of 1.5MPa (the water head height of 100m is tested), so that the testing pressure is accurate, and the requirements of testing and later data arrangement are met;
9) The real-time monitoring device adopts an MCU module and an online analysis system to realize automatic acquisition, storage and preliminary arrangement so as to monitor the flow and pressure change rules of different stages (three-stage pressure and five stages) of different pressures in real time.
Mounting (testing) method:
1) Drilling holes in a pressurized water test, and cleaning the hole walls, so that the hole walls are ensured to be clean;
2) Aligning and placing a water stop rubber plug to enable the water stop rubber plug to be parallel to the central line of the pressurized water test hole;
3) The water supply device is installed, and the centrifugal water pump, the air stabilization chamber, the water supply control valve and the rubber plug water supply hole are sequentially connected from the water tank, through the water supply pipeline and the pipe joint, so that the water supply hole is free from water leakage and pressure drop, and the water smoothly flows out after being filled with water;
4) The water stopping device is installed, a joint is connected from an air stabilization chamber under the water supplying device, and a water stopping control valve, a pressure gauge for measuring water stopping pressure and a water stopping rubber plug water stopping hole are sequentially connected through a water stopping pipeline and a pipe joint, so that the whole system of the water stopping device is free from water leakage and pressure drop;
5) Installing an osmometer for measuring flow, fixing the osmometer at a position in a water containing tank, and keeping a distance of about 0.3m from the bottom to ensure that the testing precision of the centrifugal water pump is not influenced during the working period of the centrifugal water pump;
6) Installing an osmometer for measuring the pressure of the test section, fixing the osmometer in the rubber plug plugging section, and leading out an osmometer cable through a steel pipe water outlet hole in the reserved rubber plug;
7) Installing a real-time monitoring device, connecting an osmometer for measuring flow and an osmometer for measuring pressure of a test section into an automatic device MCU, and integrally and jointly debugging to ensure real-time display and preliminary analysis of two monitoring index data in the test process;
8) Measuring and lofting the position of the test section, fixing the water stop rubber plug at the position of the test section, and keeping the water stop rubber plug parallel to the central line of the pressurized water test hole;
9) Debugging a water stopping device, opening a water stopping control valve, starting a centrifugal water suction pump, pressurizing a rubber plug to 2-3 times of the maximum test pressure, and keeping for 10-15 min so as to check whether the whole water stopping system has leakage and pressure drop phenomena;
10 A water supply device is debugged, a water supply control valve is opened, a centrifugal water suction pump is started, the pressure of a test section is pressurized to 1.0MPa, and whether the whole system is pressurized or not is checked;
11 Whether the water pressure test device is integrally and jointly debugged, whether the water pressure test device is monitored and displayed in real time or not in the water pressure test process, and whether the water stopping and supplying device meets test requirements or not. And after the work is completed, drilling is carried out to test the permeability of the rock and soil body.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (1)

1. The device is characterized by comprising a water stop plug, a water supply device and a measuring device, wherein the water supply device comprises a water containing tank, and the water stop plug is used for plugging a section of a drill hole of the pressurized water test to form a pressurized water test section; the measuring device comprises an osmometer fixedly arranged on the pressurized water test section and used for measuring the pressure of the test section, and an osmometer arranged in the water containing tank and used for measuring the flow and a pressurized water test real-time monitoring device; the cable of the osmometer for measuring the pressure of the test section is led out through a reserved steel pipe water outlet hole of a rubber plug arranged in the pressurized water test section and is connected with the pressurized water test real-time monitoring device; the cable of the osmometer for measuring flow is led out of the water containing tank and is connected with the real-time monitoring device for the pressurized water test;
the water stop plug is a hydraulic rubber plug;
the water supply device also comprises a centrifugal water suction pump, an air stabilization chamber, a water supply pipeline, a joint, a water stopping pipeline and a joint; the centrifugal water suction pump is connected with the water containing tank, the air stabilization chamber is connected with the centrifugal water suction pump, and the water supply pipeline and the connector, the water stopping pipeline and the connector are respectively connected with the air stabilization chamber and the pressurized water test section;
the air stabilization chamber is provided with an exhaust valve, the water supply pipeline and the joint are provided with a water supply control valve, and the water stopping pipeline and the joint are provided with a water stopping control valve;
the testing method of the rock-soil body pressurized water testing device comprises the following steps:
1) Drilling holes in a pressurized water test, and cleaning the hole walls, so that the hole walls are ensured to be clean;
2) Aligning and placing a water stop plug to enable the water stop plug to be parallel to the central line of the pressurized water test hole;
3) The water supply device is installed, and the centrifugal water pump, the air stabilization chamber, the water supply control valve and the water stop plug water supply hole are sequentially connected from the water tank, through the water supply pipeline and the pipe joint, so that the water supply hole is free from water leakage and pressure drop, and the water can smoothly flow out after being filled;
4) The water stopping device is installed, a joint is connected from an air stabilization chamber under the water supplying device, and a water stopping control valve, a pressure gauge for measuring water stopping pressure and a water stopping plug water stopping hole are sequentially connected through a water stopping pipeline and a pipe joint, so that the whole system of the water stopping device is free from water leakage and pressure drop;
5) Installing an osmometer for measuring flow, fixing the osmometer at a position in a water containing tank, keeping a distance of 0.3m from the bottom, and ensuring that the testing precision of the centrifugal water pump is not influenced during the working period of the centrifugal water pump;
6) Installing an osmometer for measuring the pressure of the test section, fixing the osmometer in the water stop plug plugging section, and leading out an osmometer cable through a steel pipe water outlet hole in the reserved water stop plug;
7) Installing a real-time monitoring device, connecting an osmometer for measuring flow and an osmometer for measuring pressure of a test section into an automatic device MCU, and integrally and jointly debugging to ensure real-time display and preliminary analysis of two monitoring index data in the test process;
8) Measuring and lofting the position of the test section, fixing the water stop plug at the position of the test section, and keeping the water stop plug parallel to the central line of the pressurized water test hole;
9) Debugging a water stopping device, opening a water stopping control valve, starting a centrifugal water suction pump, pressurizing a water stopping plug to 2-3 times of the maximum test pressure, and keeping for 10-15 min so as to check whether the whole water stopping system has leakage and pressure drop phenomena;
10 A water supply device is debugged, a water supply control valve is opened, a centrifugal water suction pump is started, the pressure of a test section is pressurized to 1.0MPa, and whether the whole system is pressurized or not is checked;
11 The integral joint debugging of the pressurized water test device is used for determining whether the pressurized water test process is monitored and displayed in real time and whether the water stopping and supplying device meets the test requirements; and after the work is completed, drilling is carried out to test the permeability of the rock and soil body.
CN201710091824.8A 2017-02-21 2017-02-21 Rock-soil body pressurized water test device and test method Active CN106769788B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710091824.8A CN106769788B (en) 2017-02-21 2017-02-21 Rock-soil body pressurized water test device and test method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710091824.8A CN106769788B (en) 2017-02-21 2017-02-21 Rock-soil body pressurized water test device and test method

Publications (2)

Publication Number Publication Date
CN106769788A CN106769788A (en) 2017-05-31
CN106769788B true CN106769788B (en) 2023-08-25

Family

ID=58957462

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710091824.8A Active CN106769788B (en) 2017-02-21 2017-02-21 Rock-soil body pressurized water test device and test method

Country Status (1)

Country Link
CN (1) CN106769788B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109958434B (en) * 2017-12-25 2022-11-22 核工业北京地质研究院 Drilling hydrogeological test method for drilling hole under constant pressure and unsteady flow
CN109115972A (en) * 2018-08-01 2019-01-01 陈亚洲 A kind of one-dimensional rock pillar simulated water pressure of acquisition groundwater parameter is from numeration factually experiment device
CN110186827B (en) * 2019-04-09 2021-07-06 河海大学 Water pressurizing test device and test method
CN110018103B (en) * 2019-04-25 2021-08-03 江西理工大学 Building foundation on-site penetration test device and test method thereof
CN114594037B (en) * 2022-03-30 2023-07-07 中国水利水电科学研究院 Method for measuring permeability coefficient of soil material
CN116952474A (en) * 2023-07-19 2023-10-27 长江三峡勘测研究院有限公司(武汉) Automatic acquisition and water leakage monitoring system for double-plug pressurized water test data

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09210989A (en) * 1996-02-06 1997-08-15 Oyo Corp Method and device for water permeation test with constant water level
CN201460877U (en) * 2009-08-05 2010-05-12 黄河勘测规划设计有限公司 Comprehensive test system of drill hole packer test
CN201662523U (en) * 2010-04-28 2010-12-01 中国水电顾问集团中南勘测设计研究院 Osmotic pressure measurement device for high-pressure packer testing system
CN202442944U (en) * 2012-03-08 2012-09-19 长沙理工大学 Pressure measuring type high pressure water stop plug
CN103091229A (en) * 2013-01-31 2013-05-08 河海大学 Variable water head sectional permeation coefficient measuring equipment and measuring method
CN203101229U (en) * 2013-01-31 2013-07-31 河海大学 Segmental aquifer permeability coefficient measurement device
CN106018239A (en) * 2016-06-21 2016-10-12 浙江工业大学 Method and device for measuring permeability coefficients of stratums at different depths in field
CN206459936U (en) * 2017-02-21 2017-09-01 中国水利水电科学研究院 A kind of Rock And Soil packer permeability test device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09210989A (en) * 1996-02-06 1997-08-15 Oyo Corp Method and device for water permeation test with constant water level
CN201460877U (en) * 2009-08-05 2010-05-12 黄河勘测规划设计有限公司 Comprehensive test system of drill hole packer test
CN201662523U (en) * 2010-04-28 2010-12-01 中国水电顾问集团中南勘测设计研究院 Osmotic pressure measurement device for high-pressure packer testing system
CN202442944U (en) * 2012-03-08 2012-09-19 长沙理工大学 Pressure measuring type high pressure water stop plug
CN103091229A (en) * 2013-01-31 2013-05-08 河海大学 Variable water head sectional permeation coefficient measuring equipment and measuring method
CN203101229U (en) * 2013-01-31 2013-07-31 河海大学 Segmental aquifer permeability coefficient measurement device
CN106018239A (en) * 2016-06-21 2016-10-12 浙江工业大学 Method and device for measuring permeability coefficients of stratums at different depths in field
CN206459936U (en) * 2017-02-21 2017-09-01 中国水利水电科学研究院 A kind of Rock And Soil packer permeability test device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张成志 ; 尹丹 ; 郭明 ; .钻孔压水试验测试仪及其在古贤水利枢纽工程中的试验应用.探矿工程(岩土钻掘工程).2010,(12),全文. *

Also Published As

Publication number Publication date
CN106769788A (en) 2017-05-31

Similar Documents

Publication Publication Date Title
CN106769788B (en) Rock-soil body pressurized water test device and test method
CN105547721B (en) Double-end sealing leak detection integration observation procedure
CN105806712B (en) Hole internal water pressure test device and test macro
CN107328897A (en) A kind of slip casting plugging tester and method for simulating karst water burst
CN108643891B (en) Single-loop overburden fracture double-end plugging and leakage detection method
CN109387332A (en) Stripping pattern draft experiment device and method in Liquid valve
CN201654010U (en) Plugging tester
CN108645774B (en) Single-loop overburden fracture double-end plugging leakage detection system
CN111119810B (en) Indoor comprehensive simulation device for underground fine separated injection
CN206459936U (en) A kind of Rock And Soil packer permeability test device
CN211115912U (en) Low pressure leakage gas well workover is with leaking stoppage test device
CN108488630A (en) A kind of experimental provision and its measurement method measuring fuel gas pipeline leakage characteristic
CN103792082B (en) Safety return-flow valve detection device and method
CN109975125A (en) The pressure water experimental facilities and method detected based on coal body or rock-mass relaxing circle
CN103808644B (en) Rockmass Permeabuity Coefficient in-situ measurement device and acquisition control system thereof
CN105569623B (en) Well head combined measuring device and its method for water injection well
CN206177520U (en) Pipeline pressure testing buffer
CN205532590U (en) Novel two return circuit bi -polar shutoff systems of leaking hunting
CN208155798U (en) Permeability of rock in-situ testing device
CN201460878U (en) Pressure measuring device for oil-water well pipe column
CN207701124U (en) A kind of horizontal well AICD intelligent water-controlleds screen casing performance test system
CN206801556U (en) Well workover liquid level monitors and automatic liquid filling system
CN205691428U (en) Hole internal water pressure test device and test system
CN215218700U (en) Belt-pressure annular space sampling analysis system
CN108709826A (en) A kind of carbon dioxide frictional resistance measuring device and method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant