CN203685151U - Heating constant temperature device - Google Patents
Heating constant temperature device Download PDFInfo
- Publication number
- CN203685151U CN203685151U CN201320620427.2U CN201320620427U CN203685151U CN 203685151 U CN203685151 U CN 203685151U CN 201320620427 U CN201320620427 U CN 201320620427U CN 203685151 U CN203685151 U CN 203685151U
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- China
- Prior art keywords
- inspection section
- temperature
- displacement pump
- gas
- heating constant
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- 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.)
- Expired - Fee Related
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 51
- 238000006073 displacement reaction Methods 0.000 claims abstract description 48
- 238000002474 experimental method Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000004094 surface-active agent Substances 0.000 claims abstract description 17
- 238000007689 inspection Methods 0.000 claims description 69
- 239000012530 fluid Substances 0.000 claims description 14
- 230000003213 activating effect Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 5
- 241001330002 Bambuseae Species 0.000 abstract 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 5
- 239000011425 bamboo Substances 0.000 abstract 5
- 239000007789 gas Substances 0.000 description 49
- 239000008398 formation water Substances 0.000 description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000012612 static experiment Methods 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a heating constant temperature equipment, include: experiment chamber, constant temperature subassembly, high-pressure gas holder, first displacement pump and observation section of thick bamboo, constant temperature subassembly, high-pressure gas holder and observation section of thick bamboo all set up at the experiment intracavity portion, and first displacement pump sets up outside the experiment chamber, and high-pressure gas holder, first displacement pump communicate with the observation section of thick bamboo through the pipeline respectively, and high-pressure gas holder and first displacement pump are used for respectively letting in gas and liquid to the observation section of thick bamboo. The utility model discloses a heating in the constant temperature subassembly gives the experiment chamber, can make the experiment chamber reach high temperature environment, fill into high-pressure gas through the high-pressure gas holder in to observing a section of thick bamboo to make the experiment intracavity can simulate the high temperature high-pressure state of actual gas well, so the data that obtain when testing is more accurate, can bring theoretical support for actual operation, the type and the quantity that actually add the surfactant agent are more accurate, make the gas in the gas well normally flow out, the gas well resumes normal production.
Description
Technical field
The utility model relates to oil-gas field development experimental technique field, particularly a kind of heating constant-temperature equipment.
Background technology
Gas field development enters the middle and later periods, in stratum, water can flow into shaft bottom and enter pit shaft along passage, jointly be discharged from pit shaft with gas, bring serious problems so can to the production of gas well, be mainly manifested in: 1, formation water enters after shaft bottom and pit shaft, stratum is formed to certain back pressure, increase natural gas filtrational resistance; 2, formation water can not be discharged in time in shaft bottom, makes pit shaft form hydrops, and the hydrops pressure of its generation may kill the natural gas in stratum and cannot output; 3, formation water is rich in a large amount of mineral matters, can produce in well bore face the reactions such as electrochemical corrosion, and corrosion reaction product day by day accumulates and can shaft bottom seepage channel in the neighbourhood be formed and be blocked, and reduces gas well gas production.Solving problems, is by surfactant is joined in gas well, reduces the liquid-tight degree that contains in gas, thereby makes the stable pit shaft of discharging of gas.
Prior art need to be simulated before practical operation in ground experiment device, selected which kind of surfactant, the amount of selecting how many according to experimental simulation data judgements, and the experimental result drawing is as the theory reference of practical operation.But current experimental facilities can only be simulated the reactiveness of normal temperature and pressure soffit activating agent, in actual gas well, in high temperature and high pressure environment, surfactant is unstable properties under high-temperature and high-pressure conditions, and therefore prior art can not provide accurate response data.
Realizing in process of the present utility model, inventor finds that prior art at least exists following problem:
In prior art, cannot simulate the high-temperature high-pressure state of actual gas well, make obtained experimental data inaccurate, can not provide theoretical to practical operation supports, thereby cause after having added surfactant, the interior content liquid of gas well still can not get inhibition or minimizing is comparatively slow, and gas in gas well cannot normally be flowed out, and causes gas well normally not produce, reduce gas well production capacity, thereby bring about great losses.
Utility model content
The problem of the experimental facilities of HTHP cannot be provided in order to solve prior art, and the utility model embodiment provides a kind of heating constant-temperature equipment.Described technical scheme is as follows:
A kind of heating constant-temperature equipment is provided, described heating constant-temperature equipment comprises: experiment chamber, thermostatic assembly, high pressure tank, the first displacement pump and inspection section, described thermostatic assembly, described high pressure tank and described inspection section are all arranged on inside, described experiment chamber, described thermostatic assembly is for providing constant hot environment to described experiment chamber, described inspection section is used for loading gas-liquid mixed and surfactant, described the first displacement pump is arranged on outside, described experiment chamber, described high pressure tank, described the first displacement pump is communicated with described inspection section by pipeline respectively, described high pressure tank and described the first displacement pump are respectively used to pass into gas and liquid in described inspection section.
As preferably, described thermostatic assembly comprises constant temperature air bath and temperature controller, described temperature controller is arranged on described constant temperature air bath, and described temperature controller is electrically connected with described constant temperature air bath, and described temperature controller is for controlling the heating-up temperature of described constant temperature air bath.
Further, described heating constant-temperature equipment also comprises the first pneumatic operated valve, and described the first pneumatic operated valve is arranged on the pipeline between described the first displacement pump and described inspection section, and described the first pneumatic operated valve is for controlling the liquid flow in pipeline.
As preferably, described heating constant-temperature equipment also comprises the second pneumatic operated valve, the second displacement pump, the 3rd pneumatic operated valve and piston container, described the second pneumatic operated valve is arranged on the pipeline between described the first pneumatic operated valve and described inspection section, described the second displacement pump and described the first displacement pump are arranged on homonymy, described piston container is arranged in described experiment chamber, described piston container upper end connects described the 3rd pneumatic operated valve and described the second displacement pump in turn by pipeline, and described piston container lower end is arranged between described the first pneumatic operated valve and described the second pneumatic operated valve.
Further, described inspection section bottom is provided with air inlet port and inlet, between described air inlet port and described high pressure tank, be all connected by pipeline between described inlet and described the first displacement pump.
As preferably, described heating constant-temperature equipment also comprises gas-liquid mixed head, described gas-liquid mixed head is arranged on described inspection section inside, described gas-liquid mixed head is connected with described air inlet port, described inlet respectively by pipeline, and described gas-liquid mixed head is for mixing the gas and the liquid that flow in described inspection section.
Further, described heating constant-temperature equipment also comprises funnel, the 4th pneumatic operated valve and back pressure pipeline, the upper end of described inspection section connects described the 4th pneumatic operated valve and described funnel in turn, and described funnel is for placement surface activating agent, and described back pressure pipeline is communicated with described funnel, described inspection section respectively.
As preferably, described heating constant-temperature equipment also comprises gas flowmeter and fluid flowmeter, described gas flowmeter is arranged between described high pressure tank and described inspection section, described fluid flowmeter is arranged between described inspection section and described the first displacement pump, and described gas flowmeter and described fluid flowmeter are respectively used to measure gas and the fluid flow in described pipeline.
Further, described heating constant-temperature equipment also comprises multiple pressure sensors, and multiple described pressure sensors are separately positioned between described high pressure tank and described inspection section, on pipeline between described the first displacement pump and described inspection section.
As preferably, described heating constant-temperature equipment also comprises multiple temperature pick ups, and multiple described temperature pick ups are separately positioned in described experiment chamber, on described high pressure tank, on described piston container and on described inspection section.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The utility model embodiment is given in experiment chamber and is heated by thermostatic assembly, can make to test the chamber environment that reaches a high temperature, in inspection section, be filled with gases at high pressure by high pressure tank, thereby make to test the high-temperature high-pressure state that can simulate actual gas well in chamber, the data that so obtain in the time testing are more accurate, can bring theoretical support to practical operation, type and the quantity of actual interpolation surfactant are more accurate, gas in gas well can normally be flowed out, and gas well returns to normal production.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the heating constant-temperature equipment structural representation that the utility model embodiment provides.
Wherein: 1 experiment chamber,
2 thermostatic assemblies,
3 high pressure tanks,
4 first displacement pumps,
5 inspection sections,
6 first Pneumatic valves,
7 second Pneumatic valves,
8 second displacement pumps,
9 the 3rd Pneumatic valves,
10 piston containers,
11 air inlet ports,
12 inlets,
13 gas-liquid mixed heads,
14 funnels,
15 the 4th pneumatic operated valves,
16 back pressure pipelines,
17 gas flowmeters,
18 fluid flowmeters,
19 pressure sensors,
20 temperature pick ups.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figure 1, the utility model embodiment provides a kind of heating constant-temperature equipment, described heating constant-temperature equipment comprises: experiment chamber 1, thermostatic assembly 2, high pressure tank 3, the first displacement pump 4 and inspection section 5, described thermostatic assembly 2, described high pressure tank 3 and described inspection section 5 are all arranged on 1 inside, described experiment chamber, described thermostatic assembly 2 is for providing constant hot environment to described experiment chamber 1, described inspection section 5 is for loading gas-liquid mixed and surfactant, described the first displacement pump 4 is arranged on 1 outside, described experiment chamber, described high pressure tank 3, described the first displacement pump 4 is communicated with described inspection section 5 by pipeline respectively, described high pressure tank 3 and described the first displacement pump 4 are respectively used to pass into gas and liquid in described inspection section 5.
Wherein, gases at high pressure are transported in inspection section 5 by high pressure tank 3, liquid in the first displacement pump 4 is injected in inspection section 5, then pass through thermostatic assembly 2 to the experiment interior heating in chamber 1, making to test chamber 1 reaches after desired temperature, in inspection section 5, add surfactant, staff can pass through inspection section 5 observing response situations, and record related data, by the reaction condition of surfactant, thereby judge the number that should use which kind of surfactant and use amount in practical operation.
The utility model embodiment gives the experiment interior heating in chamber 1 by thermostatic assembly 2, can make to test chamber 1 environment that reaches a high temperature, in inspection section 5, be filled with gases at high pressure by high pressure tank 3, thereby make to test the high-temperature high-pressure state that can simulate actual gas well in chamber 1, the data that so obtain in the time testing are more accurate, can bring theoretical support to practical operation, type and the quantity of actual interpolation surfactant are more accurate, gas in gas well can normally be flowed out, and gas well returns to normal production.
As preferably, described thermostatic assembly 2 comprises constant temperature air bath and temperature controller, described temperature controller is arranged on described temperature controller, and described temperature controller is electrically connected with described constant temperature air bath, and described temperature controller is for controlling the heating-up temperature of described constant temperature air bath.
Wherein, from those skilled in the art, as having a variety of to the experiment device that heat in chamber 1, for example electrical heating, and adopt constant temperature air bath heating, can make to test the interior heating in chamber 1 fully, evenly, can reach the effect of thermal cycle, therefore as preferably adopting constant temperature air bath.Heating-up temperature and the heat time of the air bath of temperature controller adjustable thermostatic.
Further, described heating constant-temperature equipment also comprises the first pneumatic operated valve 6, and described the first pneumatic operated valve 6 is arranged on the pipeline between described the first displacement pump 4 and described inspection section 5, and described the first pneumatic operated valve 6 is for controlling the liquid flow in pipeline.
As preferably, described heating constant-temperature equipment also comprises the second pneumatic operated valve 7, the second displacement pump 8, the 3rd pneumatic operated valve 9 and piston container 10, described the second pneumatic operated valve 7 is arranged on the pipeline between described the first pneumatic operated valve 6 and described inspection section 5, described the second displacement pump 8 is arranged on homonymy with described the first displacement pump 4, described piston container 10 is arranged in described experiment chamber 1, described piston container 10 upper ends connect described the 3rd pneumatic operated valve 9 and described the second displacement pump 8 in turn by pipeline, described piston container 10 lower ends are arranged between described the first pneumatic operated valve 6 and described the second pneumatic operated valve 7.
Wherein, when work, first the first pneumatic operated valve 6 and the 3rd pneumatic operated valve 9 are opened, the second pneumatic operated valve 7 cuts out, formation water is pumped in piston container 10 by the first displacement pump 4, closes the first pneumatic operated valve 6 after injecting a certain amount of formation water, formation water in piston container 10, be heated to temperature required after, the second displacement pump 8 is worked the formation water after heating is pressed into inspection section 5, and so setting can make formation water homogeneous heating and make formation water discharge capacity constant.
Further, described inspection section 5 bottoms are provided with air inlet port 11 and inlet 12, between described air inlet port 11 and described high pressure tank 3, be all connected by pipeline between described inlet 12 and described the first displacement pump 4.High temperature and high pressure gas after heating and formation water flow in inspection section 5 by air inlet port 11 and inlet 12 respectively.
As preferably, described heating constant-temperature equipment also comprises gas-liquid mixed 13, and described gas-liquid mixed 13 is arranged on described inspection section 5 inside, and described gas-liquid mixed 13 is connected with described air inlet port 11, described inlet 12 respectively by pipeline.In the time testing, can the gas and the formation water that flow in inspection section 5 fully be mixed by gas-liquid mixed 13, make W-response more fully, evenly.
Further, described heating constant-temperature equipment also comprises funnel 14, the 4th pneumatic operated valve 15 and back pressure pipeline 16, the upper end of described inspection section 5 connects described the 4th pneumatic operated valve 15 and described funnel 14 in turn, described funnel 14 is for placement surface activating agent, and described back pressure pipeline 16 is communicated with described funnel 14, described inspection section 5 respectively.
Wherein, experiment is divided into static experiment and dynamic experiment, described static experiment is that a certain amount of high temperature and high pressure gas and formation water are poured to inspection section 5, stop continuing gas injection and formation water, in described funnel 14, surfactant is housed, back pressure pipeline 16 is communicated with funnel 14 and inspection section 5, pressure between funnel 14 and inspection section 5 is consistent, now open the 4th pneumatic operated valve 15, surfactant in funnel 14 is fallen in inspection section 5, observe its reactiveness, the foaming that static experiment is mainly tested and steady bubble ability; Dynamic experiment refers to closes the 4th pneumatic operated valve 15, by high pressure tank 3, the first displacement pump 4 and the continuous process to the interior input gas of inspection section 5 and formation water of the second displacement pump 8, record the reactiveness of surfactant in this process, take outlet capacity thereby test it.
As preferably, described heating constant-temperature equipment also comprises gas flowmeter 17 and fluid flowmeter 18, described gas flowmeter 17 is arranged between described high pressure tank 3 and described inspection section 5, and described fluid flowmeter 18 is arranged between described inspection section 5 and described the first displacement pump 4.Gas flowmeter 17 and fluid flowmeter 18 are used for respectively the flow of record and measurement gas and formation water.
Further, described heating constant-temperature equipment also comprises multiple pressure sensors 19, and multiple described pressure sensors 19 are separately positioned between described high pressure tank 3 and described inspection section 5, on pipeline between described the first displacement pump 4 and described inspection section 5.
Wherein, between high pressure tank 3 and inspection section 5, the first displacement pump 4 and inspection section 5, be provided with two pressure sensors 19, exit, the lower end of piston container 10, the interior air inlet port 11 of inspection section 5 and inlet 12 places at high pressure tank 3 are respectively arranged with pressure sensor 19, and pressure sensor 19 detects respectively gas and the formation water pressure in gas pressure that high pressure tank 3 exports, formation water pressure and inspection section 5 that piston container 10 exports.
As preferably, described heating constant-temperature equipment also comprises multiple temperature pick ups 20, and multiple described temperature pick ups 20 are separately positioned in described experiment chamber 1, on described high pressure tank 3, on described piston container 10 and on described inspection section 5.Temperature pick up 20 is for gas and the formation water temperature of experiments of measuring chamber 1 inner various piece.
Wherein, between the interior temperature pick up 20 in experiment chamber 1, pressure sensor 19, gas flowmeter 17, fluid flowmeter 18 and pneumatic operated valve, be all connected with computer by control circuit and be subject to computer control, realizing the experiment flow of automation.
The utility model embodiment is by the experimental situation of simulation HTHP, thereby the frothing percentage of test surfaces activating agent, moisture content, surely bubble rate, reduce the ability of fluid density and the ability of " slippage effect ", which kind of surfactant is data select should to use in practical operation solve the problem that gas well can not steady production by experiment.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a heating constant-temperature equipment, it is characterized in that, described heating constant-temperature equipment comprises: experiment chamber, thermostatic assembly, high pressure tank, the first displacement pump and inspection section, described thermostatic assembly, described high pressure tank and described inspection section are all arranged on inside, described experiment chamber, described thermostatic assembly is for providing constant hot environment to described experiment chamber, described inspection section is used for loading gas-liquid mixed and surfactant, described the first displacement pump is arranged on outside, described experiment chamber, described high pressure tank, described the first displacement pump is communicated with described inspection section by pipeline respectively, described high pressure tank and described the first displacement pump are respectively used to pass into gas and liquid in described inspection section.
2. heating constant-temperature equipment according to claim 1, it is characterized in that, described thermostatic assembly comprises constant temperature air bath and temperature controller, described temperature controller is arranged on described constant temperature air bath, described temperature controller is electrically connected with described constant temperature air bath, and described temperature controller is for controlling the heating-up temperature of described constant temperature air bath.
3. heating constant-temperature equipment according to claim 1, it is characterized in that, described heating constant-temperature equipment also comprises the first pneumatic operated valve, described the first pneumatic operated valve is arranged on the pipeline between described the first displacement pump and described inspection section, and described the first pneumatic operated valve is for controlling the liquid flow in described pipeline.
4. heating constant-temperature equipment according to claim 3, it is characterized in that, described heating constant-temperature equipment also comprises the second pneumatic operated valve, the second displacement pump, the 3rd pneumatic operated valve and piston container, described the second pneumatic operated valve is arranged on the pipeline between described the first pneumatic operated valve and described inspection section, described the second displacement pump and described the first displacement pump are arranged on homonymy, described piston container is arranged in described experiment chamber, described piston container upper end connects described the 3rd pneumatic operated valve and described the second displacement pump in turn by pipeline, described piston container lower end is arranged between described the first pneumatic operated valve and described the second pneumatic operated valve.
5. heating constant-temperature equipment according to claim 1, is characterized in that, described inspection section bottom is provided with air inlet port and inlet, between described air inlet port and described high pressure tank, be all connected by pipeline between described inlet and described the first displacement pump.
6. heating constant-temperature equipment according to claim 5, it is characterized in that, described heating constant-temperature equipment also comprises gas-liquid mixed head, described gas-liquid mixed head is arranged on described inspection section inside, described gas-liquid mixed head is connected with described air inlet port, described inlet respectively by pipeline, and described gas-liquid mixed head is for mixing the gas and the liquid that flow in described inspection section.
7. heating constant-temperature equipment according to claim 6, it is characterized in that, described heating constant-temperature equipment also comprises funnel, the 4th pneumatic operated valve and back pressure pipeline, the upper end of described inspection section connects described the 4th pneumatic operated valve and described funnel in turn, described funnel is for placement surface activating agent, and described back pressure pipeline is communicated with described funnel, described inspection section respectively.
8. heating constant-temperature equipment according to claim 1, it is characterized in that, described heating constant-temperature equipment also comprises gas flowmeter and fluid flowmeter, described gas flowmeter is arranged between described high pressure tank and described inspection section, described fluid flowmeter is arranged between described inspection section and described the first displacement pump, and described gas flowmeter and described fluid flowmeter are respectively used to measure gas and the fluid flow in described pipeline.
9. heating constant-temperature equipment according to claim 8, it is characterized in that, described heating constant-temperature equipment also comprises multiple pressure sensors, and multiple described pressure sensors are separately positioned between described high pressure tank and described inspection section, on pipeline between described the first displacement pump and described inspection section.
10. heating constant-temperature equipment according to claim 4, it is characterized in that, described heating constant-temperature equipment also comprises multiple temperature pick ups, and multiple described temperature pick ups are separately positioned in described experiment chamber, on described high pressure tank, on described piston container and on described inspection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320620427.2U CN203685151U (en) | 2013-10-09 | 2013-10-09 | Heating constant temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320620427.2U CN203685151U (en) | 2013-10-09 | 2013-10-09 | Heating constant temperature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685151U true CN203685151U (en) | 2014-07-02 |
Family
ID=51007070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320620427.2U Expired - Fee Related CN203685151U (en) | 2013-10-09 | 2013-10-09 | Heating constant temperature device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535724A (en) * | 2014-12-29 | 2015-04-22 | 中国石油大学(华东) | Device and method for measuring leakoff coefficient of supercritical carbon dioxide fracturing fluid |
| CN106000141A (en) * | 2016-06-26 | 2016-10-12 | 西安石油大学 | Amine liquid foaming device |
| CN111665073A (en) * | 2020-07-20 | 2020-09-15 | 山东博然电力科技有限公司 | Test equipment with multi-direction observation gas-water heat exchanger |
-
2013
- 2013-10-09 CN CN201320620427.2U patent/CN203685151U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535724A (en) * | 2014-12-29 | 2015-04-22 | 中国石油大学(华东) | Device and method for measuring leakoff coefficient of supercritical carbon dioxide fracturing fluid |
| CN104535724B (en) * | 2014-12-29 | 2016-02-24 | 中国石油大学(华东) | Measure the device and method of supercritical carbon dioxide fracturing fluid leak coefficient |
| CN106000141A (en) * | 2016-06-26 | 2016-10-12 | 西安石油大学 | Amine liquid foaming device |
| CN111665073A (en) * | 2020-07-20 | 2020-09-15 | 山东博然电力科技有限公司 | Test equipment with multi-direction observation gas-water heat exchanger |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20211009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |