CN115824860A - Erosion test experimental device and method for optical cable in sleeve - Google Patents
Erosion test experimental device and method for optical cable in sleeve Download PDFInfo
- Publication number
- CN115824860A CN115824860A CN202211514990.1A CN202211514990A CN115824860A CN 115824860 A CN115824860 A CN 115824860A CN 202211514990 A CN202211514990 A CN 202211514990A CN 115824860 A CN115824860 A CN 115824860A
- Authority
- CN
- China
- Prior art keywords
- optical cable
- pressure
- erosion
- mixing chamber
- fracturing fluid
- 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.)
- Pending
Links
Images
Abstract
The invention relates to a device and a method for testing erosion of an optical cable in a sleeve, wherein the device comprises a mixing chamber, a high-pressure nozzle and a testing box, wherein the mixing chamber is used for mixing to form sand-containing fracturing fluid; the test box is used for accommodating the detection optical cable and is provided with a box opening at one side; the high-pressure nozzle provides high-pressure jet flow for the detection optical cable in the test box, the first end of the high-pressure nozzle is communicated with the mixing chamber, and the second end of the high-pressure nozzle is arranged corresponding to the box opening; intercommunication confession liquid portion and feed portion on the mixing chamber, supply liquid portion and be used for providing fracturing fluid and provide the experimental pressure that can adjust to the mixing chamber, feed portion be used for to the mixing chamber provides the abrasive material, and the injection volume of abrasive material is adjustable setting. The method can evaluate the erosion conditions of different optical cables under the conditions of different erosion time, different erosion speed and different sand ratio of fracturing fluid, and provides reference basis for optimizing parameters such as optical cable structure, material, wall thickness and outer diameter; the flow velocity calculated by adopting the Reynolds number similarity criterion in the experiment can more truly simulate the erosion condition of the underground optical cable.
Description
Technical Field
The invention relates to the technical field of petroleum logging engineering, in particular to an experimental device and method for testing erosion of an optical cable in a casing.
Background
The optical cable can be divided into a load bearing logging optical cable according to the using mode and the using environment (fig. 2, fig. 3 and fig. 4, comprising a type a optical cable 81, comprising an outer stainless steel pipe 811, an inner stainless steel pipe 812, an optical fiber 813, hydrogen absorption ointment 814 and an aluminum layer 815, a type b optical cable 82, comprising an outer stainless steel pipe 811, an inner stainless steel pipe 812, an optical fiber 813, hydrogen absorption ointment 814 and a reinforced steel wire 821, a type c optical cable 83, comprising an inner stainless steel pipe 812, an optical fiber 813, hydrogen absorption ointment 814 and a reinforced steel wire 821) and a permanent type oil well optical cable 9 (fig. 5, comprising an outer sheath 91, a galvanized steel wire rope 92, an outer stainless steel pipe 811, an optical fiber 813, an inner stainless steel pipe 812 and hydrogen absorption ointment 814). When the optical cable is applied, the temperature resistance, the pressure resistance and the hydrogen loss resistance need to be concerned. The load-bearing logging optical cable is generally used in a casing or an oil pipe, the tensile property influences whether the load-bearing logging optical cable can smoothly enter a well without breaking, so that extra attention needs to be paid to the tensile property, and for a permanent type oil well optical cable, the permanent type oil well optical cable is fixedly installed along with the casing or the oil pipe, so that the attention on the tensile property is less paid.
The fracturing construction monitoring generally uses a permanent oil well optical cable, and because the construction operation of a continuous oil pipe, a light-resistant cable perforation process and various fixtures for fixing the optical cable are needed, the testing price is high, and the large-scale popularization and application of the technology are limited, the feasibility of carrying a load-bearing well logging optical cable for in-sleeve fracturing monitoring needs to be researched. In addition to the key performance parameters, the construction displacement is large, and the sand/ceramsite with high concentration is carried, so that the erosion resistance of the optical cable cannot be ignored, and the fracture monitoring is prevented from being influenced by the fracture of the optical cable caused by erosion. Therefore, the testing device and the testing method for the erosion resistance of the optical cable are very important for testing the erosion resistance of the optical cable, however, the testing device and the testing method for the erosion resistance of the optical cable are lacked at present.
Therefore, the inventor provides an experimental device and method for testing erosion of the optical cable in the sleeve by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.
Disclosure of Invention
The invention aims to provide an erosion test experimental device and method for optical cables in a sleeve, which can evaluate the erosion conditions of different optical cables under the conditions of different erosion time, different erosion speed and different fracturing fluid sand ratio, and provide reference basis for optimizing parameters such as optical cable structure, material, wall thickness and outer diameter; the flow velocity calculated by adopting the Reynolds number similarity criterion in the experiment can more truly simulate the erosion condition of the underground optical cable.
The invention aims to realize the effect, and the optical cable erosion test experimental device in the sleeve comprises a mixing chamber, a high-pressure nozzle and a test box, wherein the mixing chamber is used for mixing to form sand-containing fracturing fluid; the test box is used for accommodating the detection optical cable, and a box opening is formed in one side of the test box; the high-pressure nozzle is used for providing high-pressure jet flow for the detection optical cable in the test box, the first end of the high-pressure nozzle is communicated with the mixing chamber, and the second end of the high-pressure nozzle is arranged corresponding to the opening of the box; intercommunication confession liquid portion and feed portion on the mixing chamber, confession liquid portion be used for to the mixing chamber provides fracturing fluid and provides the experimental pressure that can adjust, feed portion be used for to the mixing chamber provides the abrasive material, and the injection volume of abrasive material is adjustable setting.
In a preferred embodiment of the present invention, a throttle valve is disposed between the liquid supply portion and the mixing chamber, and the throttle valve is used for adjusting the value of the pressure in the erosion experiment.
In a preferred embodiment of the present invention, a supply valve is disposed between the supply portion and the mixing chamber, and the supply valve is used for adjusting the sand content of the sand-containing fracturing fluid.
In a preferred embodiment of the present invention, the liquid supply portion includes a water tank, the water tank is communicated with a first high-pressure pipeline, the first high-pressure pipeline is sequentially connected in series with a high-pressure water pump, a pressure gauge and the throttle valve, the water tank is used for containing the fracturing fluid, the high-pressure water pump is used for pumping the fracturing fluid and continuously providing pressure during the experiment, and the pressure gauge is used for monitoring the pressure of the liquid supply portion.
In a preferred embodiment of the present invention, the supply portion includes an abrasive tank supported by a support frame, and the abrasive tank communicates with the mixing chamber through the supply valve.
In a preferred embodiment of the present invention, the abrasive in the abrasive tank is quartz sand or ceramsite.
In a preferred embodiment of the present invention, the sand content of the sand-containing fracturing fluid in the mixing chamber is greater than 20%.
In a preferred embodiment of the present invention, a waste liquid recycling portion is disposed in the testing box for recycling waste liquid after the experiment.
The purpose of the invention can be realized in such a way that an experimental method for testing erosion of the optical cable in the sleeve comprises the following steps:
s1, selecting a detection optical cable and measuring the diameter of the optical cable;
s2, preparing fracturing fluid and abrasive, assembling the optical cable erosion test experiment device in the sleeve, connecting the experiment device for pressure test, and ensuring the sealing performance of the optical cable erosion test experiment device in the sleeve;
s3, fixing a detection optical cable in the test box, and ensuring that the second end of the high-pressure nozzle and the detection optical cable are on the same straight line;
s4, calculating the pump speed of the high-pressure water pump according to the Reynolds number similarity criterion, opening the high-pressure water pump, and setting the pump speed;
s5, opening the feed valve, adjusting the opening of the feed valve, and adjusting the sand content of the sand-containing fracturing fluid;
s6, jetting high-pressure jet flow to the detection optical cable by the high-pressure nozzle, stopping the experiment when the preset erosion time is reached, and recording the diameter of the detection optical cable at the moment;
s7, calculating an erosion resistance index;
and S8, replacing the detection optical cable, repeating S1-S7, and measuring the erosion resistance of different optical cables.
In a preferred embodiment of the present invention, in S1, the length of the detection optical cable is greater than 1m.
From the above, the device and the method for testing erosion of the optical cable in the sleeve have the following beneficial effects:
according to the in-casing optical cable erosion test experimental device, the experimental pressure provided by the liquid supply part can be adjusted to realize different erosion speeds, and the injection amount of the grinding material provided by the material supply part can be adjusted to realize different fracturing fluid sand ratios; the flow velocity calculated by adopting the Reynolds number similarity criterion in the experiment can more truly simulate the erosion condition of the underground optical cable.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.
Wherein:
FIG. 1: the invention is a schematic diagram of an experimental device for erosion testing of optical cables in sleeves.
FIG. 2: is a cross-sectional view of a type a cable for bearing a load logging cable.
FIG. 3: is a b-type optical cable section view of the load-bearing logging optical cable.
FIG. 4 is a schematic view of: is a c-type cable cross-sectional view of the load-bearing logging cable.
FIG. 5: is a cross-sectional view of a permanent oil well cable.
In the figure:
100. an optical cable erosion test experimental device in the sleeve;
1. a mixing chamber;
2. a high pressure nozzle;
3. a test box; 31. a tank opening;
4. a liquid supply section; 41. a water tank; 42. a first high-pressure line; 43. a high pressure water pump; 44. a pressure gauge;
5. a feeding section; 51. an abrasive tank; 52. a support frame;
6. a throttle valve;
7. a supply valve;
81. a type a optical cable; 811. an outer stainless steel pipe; 812. an inner stainless steel tube; 813. an optical fiber; 814. hydrogen absorbing ointment; 815. an aluminum layer; 82. a class b optical cable; 821. reinforcing steel wires; 83. a class c optical cable;
9. a permanent oil well cable; 91. an outer sheath; 92. a galvanized steel wire rope.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
The specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the invention provides an optical cable erosion test experimental apparatus 100 in a casing, which comprises a mixing chamber 1, a high-pressure nozzle 2 and a test box 3, wherein the mixing chamber 1 is used for mixing to form a sand-containing fracturing fluid; the test box 3 is used for accommodating the detection optical cable, and a box opening 31 is arranged on one side of the test box 3; the high-pressure nozzle 2 is used for providing high-pressure jet flow (continuously providing high-pressure water flow) for the detection optical cable in the test box, the first end of the high-pressure nozzle 2 is communicated with the mixing chamber 1, and the second end of the high-pressure nozzle 2 is arranged corresponding to the box opening 31; the mixing chamber 1 is communicated with a liquid supply part 4 and a material supply part 5, the liquid supply part 4 is used for providing fracturing liquid for the mixing chamber and providing adjustable experiment pressure, the material supply part 5 is used for providing grinding materials for the mixing chamber, and the injection amount of the grinding materials is adjustable.
According to the optical cable erosion test experimental device in the casing, the experimental pressure provided by the liquid supply part can be adjusted to realize different erosion speeds, and the injection amount of the grinding material provided by the material supply part can be adjusted to realize different fracturing fluid sand ratios.
Further, as shown in fig. 1, a throttle valve 6 is provided between the liquid supply portion 4 and the mixing chamber 1, and the throttle valve 6 is used for adjusting the value of the pressure in the erosion test.
Further, as shown in fig. 1, a supply valve 7 is provided between the supply portion 5 and the mixing chamber 1, and the supply valve 7 is used for adjusting the sand content of the sand-containing fracturing fluid. The feed valve 7 can be set to an opening angle to control the content of the abrasive in the test liquid.
Further, as shown in fig. 1, the liquid supply part 4 includes a water tank 41, the water tank 41 is communicated with a first high-pressure pipeline 42, the first high-pressure pipeline 42 is sequentially connected in series with a high-pressure water pump 43, a pressure gauge 44 and a throttle valve 6, the water tank 41 is used for containing fracturing fluid, and the fracturing fluid is used for carrying abrasive; a high pressure water pump 43 is used to pump the fracturing fluid (pumping it to subsequent equipment) and to provide pressure continuously during the experiment, and a pressure gauge 44 is used to monitor the feed pressure.
Further, as shown in fig. 1, the supply portion 5 includes an abrasive tank 51, the abrasive tank 51 is supported by a support bracket 52, and the abrasive tank 51 communicates with the mixing chamber 1 through the supply valve 7.
The mixing chamber 1 injects the high-pressure water pump 43 into the liquid (fracturing fluid), and the liquid and the abrasive in the abrasive tank 51 are mixed sufficiently and injected into the high-pressure nozzle 2.
Further, the abrasive in the abrasive tank 51 is quartz sand or ceramsite.
Further, the sand content of the sand fracturing fluid contained in the mixing chamber 1 is more than 20%.
Further, be equipped with waste liquid recovery portion in the test box 3 for retrieve the experiment back waste liquid.
The test box 3 is used for fixedly storing the detection optical cable, and the detection optical cable surrounds the experiment casing (not shown in the figure).
The invention provides an erosion test experimental method for an optical cable in a sleeve, which comprises the following steps:
s1, selecting a detection optical cable and measuring the diameter d of the optical cable 0 (ii) a Preferably, the length of the detection cable is greater than 1m;
s2, preparing fracturing fluid and abrasive, assembling the optical cable erosion test experiment device in the sleeve, connecting the experiment device for pressure test, and ensuring the sealing performance of the optical cable erosion test experiment device in the sleeve;
specifically, whether the water tank 41, the high-pressure water pump 43, the pressure gauge 44, the throttle valve 6, the abrasive tank 51, the feed valve 7, the mixing chamber 1, the high-pressure nozzle 2 and the test box 3 are normal or not is checked, fracturing fluid and abrasive for experiments are prepared, and the test device is connected for pressure test, so that the connection parts of the whole experiment device are well sealed;
s3, fixing a detection optical cable in the test box 3 to ensure that the second end of the high-pressure nozzle 2 and the detection optical cable are on the same straight line;
s4, calculating the pump speed of the high-pressure water pump 43 according to the Reynolds number similarity criterion, opening the high-pressure water pump 43, and setting the pump speed;
s5, opening the feed valve 7, adjusting the opening of the feed valve 7, and adjusting the sand content of the sand-containing fracturing fluid;
s6, the high-pressure nozzle 2 sprays high-pressure jet flow to the detection optical cable, the preset erosion time is reached, the experiment is stopped, and the diameter of the detection optical cable at the moment is recorded;
s7, calculating an erosion resistance index;
and S8, replacing the detection optical cable, repeating the steps S1 to S7, and measuring the erosion resistance of different optical cables.
Example one
S1, selecting a type a optical cable 81 in figure 2, and detecting the diameter d of the optical cable 0 6.35mm;
s2, checking whether a water tank 41, a high-pressure water pump 43, a pressure gauge 44, a throttle valve 6, an abrasive tank 51, a feed valve 7, a mixing chamber 1, a high-pressure nozzle 2 and a test box 3 are normal or not, preparing fracturing fluid and abrasive for experiments, connecting experimental equipment for pressure test, and ensuring that all connecting parts of the whole experimental device are well sealed;
s3, fixing a detection optical cable in the test box 3 to ensure that the second end of the high-pressure nozzle 2 and the detection optical cable are on the same straight line;
s4, calculating the pump speed of the high-pressure water pump 43 according to the Reynolds number similarity criterion, and assuming that a five-inch and a half-inch casing is used on site, the inner diameter of the casing is 121.36mm, and the construction displacement is 20m 3 Min, the inner diameter of the experimental sleeve is 35mm, and the required pump speed is calculated
Wherein v is Fruit of Chinese wolfberry The pump speed of the high-pressure water pump is unit m/s; q Applying (a) to For construction displacement, unit m 3 /s；A Applying (a) to For constructing the internal cross-sectional area of the casing, unit m 2 ；D Sleeve The inner diameter of the on-site casing pipe is in mm; d 0 In mm for measuring the diameter of the cable; d Fruit of Chinese wolfberry The inside diameter of the test cannula is in mm.
The high-pressure water pump 43 is opened, and the pump speed is set to be 116m/s;
s5, opening the feed valve 7, adjusting the opening of the feed valve 7, and adjusting the sand content of the sand-containing fracturing fluid to be 30%;
s6, jetting high-pressure jet flow to the detection optical cable by the high-pressure nozzle 2, stopping the experiment when preset erosion time reaches 2h, and recording that the diameter d of the detection optical cable at the moment is 6.348mm;
s7, calculating an erosion resistance index, wherein the erosion rate is
Wherein E is corrosion rate, unit mm/a; d is the diameter of the optical cable after the experiment, and the unit is mm;8760 is the data generated by time unit conversion.
And S8, replacing the detection optical cable, repeating S1-S7, and measuring the erosion resistance of different optical cables.
From the above, the device and the method for testing erosion of the optical cable in the sleeve have the following beneficial effects:
according to the optical cable erosion test experimental device in the casing, the experimental pressure provided by the liquid supply part can be adjusted to realize different erosion speeds, and the injection amount of the grinding material provided by the liquid supply part can be adjusted to realize different fracturing fluid sand ratios; the flow velocity calculated by adopting the Reynolds number similarity criterion in the experiment can more truly simulate the erosion condition of the underground optical cable.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.
Claims (10)
1. The optical cable erosion test experimental device in the sleeve is characterized by comprising a mixing chamber, a high-pressure nozzle and a test box, wherein the mixing chamber is used for mixing to form sand-containing fracturing fluid; the test box is used for accommodating the detection optical cable, and a box opening is formed in one side of the test box; the high-pressure nozzle is used for providing high-pressure jet flow for the detection optical cable in the test box, the first end of the high-pressure nozzle is communicated with the mixing chamber, and the second end of the high-pressure nozzle is arranged corresponding to the opening of the box; intercommunication confession liquid portion and feed portion on the mixing chamber, confession liquid portion be used for to the mixing chamber provides fracturing fluid and provides the experimental pressure that can adjust, feed portion be used for to the mixing chamber provides the abrasive material, and the input of abrasive material is adjustable setting.
2. The in-casing optical cable erosion test experimental device according to claim 1, wherein a throttle valve is arranged between the liquid supply part and the mixing chamber, and the throttle valve is used for adjusting an erosion experiment pressure value.
3. The in-casing optical cable erosion test experimental device according to claim 2, wherein a supply valve is arranged between the supply part and the mixing chamber, and the supply valve is used for adjusting the sand content of the sand-containing fracturing fluid.
4. The in-casing optical cable erosion test experiment device according to claim 3, wherein the liquid supply portion comprises a water tank, the water tank is communicated with a first high-pressure pipeline, a high-pressure water pump, a pressure gauge and the throttle valve are sequentially connected in series on the first high-pressure pipeline, the water tank is used for containing fracturing fluid, the high-pressure water pump is used for pumping the fracturing fluid and continuously providing pressure in the experiment, and the pressure gauge is used for monitoring the pressure of the liquid supply portion.
5. The in-casing optical cable erosion test experimental facility of claim 4, wherein the supply portion comprises an abrasive tank supported by a support frame, the abrasive tank communicating with the mixing chamber through the supply valve.
6. The optical cable erosion test experimental device in the sleeve of claim 5, wherein the abrasive in the abrasive tank is quartz sand or ceramsite.
7. The in-casing optical cable washout test experimental facility of claim 5, wherein the sand content of the sand-containing fracturing fluid in the mixing chamber is greater than 20%.
8. The apparatus according to claim 1, wherein a waste liquid recovery unit is disposed in the testing box for recovering waste liquid after the testing.
9. An erosion test experiment method for an optical cable in a sleeve is characterized by comprising the following steps:
s1, selecting a detection optical cable and measuring the diameter of the optical cable;
s2, preparing fracturing fluid and abrasive, assembling the optical cable erosion test experiment device in the sleeve, connecting the experiment device for pressure test, and ensuring the sealing performance of the optical cable erosion test experiment device in the sleeve;
s3, fixing a detection optical cable in the test box, and ensuring that the second end of the high-pressure nozzle and the detection optical cable are on the same straight line;
s4, calculating the pump speed of the high-pressure water pump according to the Reynolds number similarity criterion, opening the high-pressure water pump, and setting the pump speed;
s5, opening the feed valve, adjusting the opening of the feed valve, and adjusting the sand content of the sand-containing fracturing fluid;
s6, jetting high-pressure jet flow to the detection optical cable by the high-pressure nozzle, stopping the experiment when the preset erosion time is reached, and recording the diameter of the detection optical cable at the moment;
s7, calculating an erosion resistance index;
and S8, replacing the detection optical cable, repeating S1-S7, and measuring the erosion resistance of different optical cables.
10. The method for testing erosion of optical fiber cables inside casing pipes according to claim 9, wherein in S1, the length of the detection optical fiber cable is greater than 1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211514990.1A CN115824860A (en) | 2022-11-30 | 2022-11-30 | Erosion test experimental device and method for optical cable in sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211514990.1A CN115824860A (en) | 2022-11-30 | 2022-11-30 | Erosion test experimental device and method for optical cable in sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115824860A true CN115824860A (en) | 2023-03-21 |
Family
ID=85532876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211514990.1A Pending CN115824860A (en) | 2022-11-30 | 2022-11-30 | Erosion test experimental device and method for optical cable in sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115824860A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818565A (en) * | 2023-07-06 | 2023-09-29 | 山东中和金石科技集团股份有限公司 | Composite ceramic performance detection device |
-
2022
- 2022-11-30 CN CN202211514990.1A patent/CN115824860A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818565A (en) * | 2023-07-06 | 2023-09-29 | 山东中和金石科技集团股份有限公司 | Composite ceramic performance detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115824860A (en) | Erosion test experimental device and method for optical cable in sleeve | |
| CA2589555A1 (en) | Method and apparatus for preventing slug flow in pipelines | |
| CN104596905A (en) | Device and method for measuring permeability of rock in fracturing process | |
| CN102926369B (en) | Pre-boring pressure meter, self-boring pressure meter and self-boring pressure metering equipment | |
| CN106233097A (en) | The ultrasonic transducer shell being acoustically isolated and effusion meter | |
| RU2482268C1 (en) | Recovering method of working condition of gas-oil production well with horizontal and/or subhorizontal end during operation, and technological complex for method's implementation | |
| CN210483704U (en) | Oil and gas well sand production monitoring simulation experiment device based on distributed optical fiber sound monitoring | |
| CN107956459A (en) | A kind of foam injection device and its application method and installation method | |
| CN111827910A (en) | Experimental device and experimental method for exploring formation of detritus bed in horizontal well drilling | |
| Wang et al. | Parameter optimization of solution mining under nitrogen for the construction of a gas storage salt cavern | |
| CN109441441A (en) | Seat earth multi-angle oblique bored grouting Analog Experiment for Discharges device and method under a kind of pressure-bearing influence of dynamic water | |
| CN106644889B (en) | The wide rock joint seepage apparatus of controllable gap under a kind of Thief zone pressure | |
| CN114509531A (en) | High-acid gas well annulus protection fluid performance evaluation device and evaluation method | |
| CN112240195B (en) | Oil-gas well sand production monitoring simulation experiment device based on distributed optical fiber sound monitoring and working method | |
| CN110347191A (en) | Intellectual monitoring formula high-pressure gas library reinforces simulation test device and its application method | |
| CN112082891A (en) | Erosion resistance test method for three-high oil-gas well throttle valve | |
| US20220010647A1 (en) | Subsea autonomous chemical injection system | |
| Liu et al. | Experimental study on flow-induced vibration response characteristics of leaching tubing in salt cavern gas storage | |
| CN209926023U (en) | Whole-course online real-time monitoring bundle pipe type multi-pipe liquid CO transportation2System for controlling a power supply | |
| CN106404631B (en) | System and method for testing oil-water two-phase conductivity of compact oil pressure fracture network | |
| CN204532302U (en) | Oil field blowing agent injected system | |
| Zhou | Theoretical and experimental studies of power-law fluid flow in coiled tubing | |
| CN107065005B (en) | Microseism test system | |
| CN104614152A (en) | Water injection experiment device for liquid metal reactor heat exchanger rupture accident simulation and measuring device | |
| Huang et al. | Study on Energy Conversion Efficiency and Structure Optimization of the Multorifices Nozzle for Radial Jet Drilling |
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 |