CN205157473U - High wax pressing deposit analogue means - Google Patents
High wax pressing deposit analogue means Download PDFInfo
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- CN205157473U CN205157473U CN201520876723.8U CN201520876723U CN205157473U CN 205157473 U CN205157473 U CN 205157473U CN 201520876723 U CN201520876723 U CN 201520876723U CN 205157473 U CN205157473 U CN 205157473U
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- autoclave
- high pressure
- analogue means
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Abstract
The utility model provides a high wax pressing deposit analogue means, high wax pressing deposit analogue means includes autoclave (1), and autoclave (1) includes and is used for cold finger (5) of wax deposit, and the temperature of cold finger (5) is by a temperature control system (18) control, and temperature in autoclave (1) is by the second temperature system (19) control, high wax pressing deposit analogue means is still including sampling tube (9), sampler (21) and visual window (10) that can take a sample under the high voltage ring border in the autoclave (1) and observe, high wax pressing deposit analogue means still includes viscosity detection device (17). This high wax pressing deposit analogue means can realize wax deposit simulation experiment, viscosity on -line measuring and visual process under the high voltage ring border.
Description
Technical field
The utility model relates to Oil & Gas Storage testing equipment field, particularly a kind of high pressure wax deposit analogue means.
Background technology
Along with the exploitation of deep-sea oil gas resource, submarine pipeline conveying is its important step.Deep-sea oil gas pipeline many employings oil gas water multiphase mixed transportation technology, pipeline is in the environments such as subsea of high pressure low temperature, in course of conveying, easily cause the generation of hydrate, produces hydrate slurry.Seabed crude oil is the content of wax a bit, and waxy crude oil may have wax deposit process at seabed conveyance conduit course of conveying and occur, and the impact of hydrate on wax deposit process is the pith of research waxy crude oil seabed conveying.At present, there is the experimental provision of wax deposit under many research normal pressures, such as cold drawing experiment, rotating circular disk experiment, circuit experiment, cold finger experiment etc., but these are all some normal pressure experimental provisions, wax deposit process when can not hydrate be had to exist under modeling effort submarine pipeline high pressure low temperature environment.Research and develop a kind of high pressure wax deposit analogue means and seem particularly important.
In wax deposit experiment under normal pressure, microscopic observation wax crystalline substance adopts often directly to be opened container cover and samples, then sample preparation, and in the crystalline state of polarized light microscopy Microscopic observation wax, this sampling process under normal pressure can not affect proceeding of wax deposit test.And the wax deposit process of hydrate slurry under high pressure, if open the method for container cover direct sample under also adopting normal pressure, hydrate will decompose, and wax is crystalline, and state also changes because pressure changes.In addition, in the wax deposit experiment under high pressure, sampling of uncapping also can affect proceeding of follow-up wax deposit experiment.Therefore, under a kind of high pressure of utility model hydrate slurry wax deposit experimentation in sampling method necessary.
Utility model content
In order to solve in prior art the problem not having high pressure wax deposit analogue experiment installation, the utility model provides a kind of high pressure wax deposit analogue means, and this high pressure wax deposit analogue means can realize wax deposit simulated experiment under hyperbaric environment, viscosity on-line checkingi and visualization process.
The utility model solves the technical scheme that its technical matters adopts: a kind of high pressure wax deposit analogue means, comprise autoclave, containing paddle and cold finger in autoclave, cold finger is connected with the first temperature control system, first temperature control system can control the temperature of cold finger, paddle is connected with the driving mechanism for driving paddle to rotate, and described high pressure wax deposit analogue means also comprises the sampling mechanism that can sample under the hyperbaric environment in autoclave.
A kind of high pressure wax deposit analogy method, employ above-mentioned high pressure wax deposit analogue means, this high pressure wax deposit analogy method comprises the following steps:
Step 1, in autoclave, inject waxy crude oil emulsion fluid sample and be used for generating the gases at high pressure of hydrate;
Step 2, open driving mechanism, under the stirring of paddle, generate hydrate slurry;
Step 3, when autoclave inner fluid viscosity changes, the generation situation of this sample is observed in sampling;
Step 4, after this sample generates and stablize hydrate slurry, close driving mechanism, carry out the hydrate slurry wax deposit cold finger experiment under static high pressure, in the process that this experiment is carried out, uninterrupted fluid samples samples, the crystalline state of observation wax;
Step 5, hydrate slurry wax deposit cold finger under this static high pressure to autoclave pressure release, open autoclave after having tested, and take out cold finger, and to being deposited on the wax-layer thickness on cold finger surface, hardness, wax content study.
The beneficial effects of the utility model are,
1, described autoclave is connected with gas cylinder, and gas cylinder provides enough pressure and source of the gas for autoclave, and the hyperbaric environment in autoclave can keep hydrate to generate the stability of rear slurry, ensures carrying out smoothly of hydrate slurry wax deposit experiment under high pressure.
2, described cold finger is designed to withstand voltage, be made up of inside and outside two-layer cylindrical shape stainless steel, the two ends of two concentric drums have been totally enclosed, and stainless steel needs to thicken to bear the hyperbaric environment in autoclave, be provided with cyclic water jacket between two-layer cylindrical shape stainless steel, cyclic water jacket is connected with cold finger temperature control system, the core of inner layer cylinder is used for placing paddle, when carrying out wax deposit experiment, cold finger temperature is generally lower than high pressure temperature in the kettle, and shape be again vertically cylindrical, therefore title cold finger; Designed cold finger intensity enough bears certain high pressure, has independent temperature control system to control cold finger temperature, produces the temperature difference, for the diffusion of wax molecule is given security during wax deposit is tested between cold finger and temperature in the kettle.
3, described cyclic water jacket has two covers, and a set of cyclic water jacket is used for controlling cold finger temperature, and a set of cyclic water jacket is used for controlling the temperature in autoclave; Cyclic water jacket can control the temperature in cold finger surface and autoclave more accurately.
4, described temperature control system has three groups, and one group of temperature control system controls high pressure temperature in the kettle, and one group of temperature control system controls cold finger surface temperature, and one group of temperature control system controls the temperature of visual glass windows; Temperature control system does not interfere with each other, and the temperature of visual glass windows is controlled by polarizing microscope temperature system when observing.
5, described sampler is connected with autoclave and visual glass windows respectively by two valves; Sampler two ends are connected with autoclave and visual glass windows respectively by valve, first the valve connecting visual glass windows is closed during sampling, open the valve connecting autoclave, by the pressure in autoclave, sample is driven into sampler, then close the valve connecting autoclave, open the valve connecting visual glass windows, sample flows into visual glass windows, can sample at any time, and the impact on experimentation when can avoid opening the sampling of high pressure kettle cover, sampling is simple, low cost.
6, described visual glass windows is placed in temperature control system, made by the withstand voltage glass of upper and lower two panels, the environmental seal of two blocks of glass sheet connects, and is provided with fixed interval (FI) between two sheets, sample flow in gap, is placed on the micromechanism of polarized light microscopy Microscopic observation sample; Visual glass windows is designed to withstand voltage, and the temperature of visual glass windows is controlled by the temperature system of polarizing microscope, ensures consistent with in autoclave of pressure and temperature in windowpane, avoids the change of sample generation because pressure and temperature changes.
7, dielectric viscosity in described high pressure in-line viscometer the real time measure autoclave, and detected value is transferred to data acquisition processing system; Real-time online detects dielectric viscosity in hydrate formation and wax deposit process autoclave, can avoid the impact sampled in flow graph detection method dielectric viscosity.
8, the stirrer in described magnetic agitation system is anchor formula paddle; Anchor formula paddle can reduce the generation of " wall built-up " in autoclave, and can ensure to be subject to uniform shear perturbation up and down in autoclave.
9, described safety system is made up of safety valve and electro connecting pressure gauge, after system exceedes set pressure, gas, liquid in system are directly discharged by spout hole, electro connecting pressure gauge is owing to exceeding top pressure protection value simultaneously, system meeting auto-breaking, powered-down; Prevent hypertonia, blast.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the front view of high pressure wax deposit analogue means.
Fig. 2 is the connection diagram of visual glass windows and connecting pipe in sampling mechanism.
Wherein 1. autoclaves, 2. cyclic water jacket, 3. heat-insulation layer, 4. paddle, 5. cold finger, 6. cyclic water jacket, 7. high pressure kettle cover, 8. driving mechanism, 9. sampler, 10. visual glass windows, 11. flow detection and control system, 12. high-pressure air source, 13. temperature sensors, 14. pressure transducers, 15. first valves, 16. second valves, 17. high pressure in-line viscometers, 18. first temperature control systems, 19. second temperature control systems, 20. feed tubes, 21. stopple coupons, 22. connecting pipes, 23. hollow needle, 24. fluid sealants, 25. safety inserting tubes, 26. safety valve, 27. electro connecting pressure gauges,
41. puddlers, 42. mixing parts.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
A kind of high pressure wax deposit analogue means, comprise autoclave 1, containing paddle 4 and cold finger 5 in autoclave 1, cold finger 5 is connected with the first temperature control system 18, first temperature control system 18 can control the temperature of cold finger 5, paddle 4 is connected with the driving mechanism 8 for driving paddle 4 to rotate, and described high pressure wax deposit analogue means also comprises the sampling mechanism that can sample (namely taking out the sample in autoclave 1) under the hyperbaric environment in autoclave 1, as shown in Figure 1.
The utility model mainly studies the wax deposit situation under hyperbaric environment, and wherein the scope of " high pressure " is 0.1MPa ~ 15MPa.In the present embodiment, cold finger 5 is tubular structure, cold finger 5 is containing inner core and urceolus, cyclic water jacket 6 is provided with between this inner core and urceolus, first temperature control system 18 is connected with this cyclic water jacket 6, first temperature control system 18 can control the temperature in this cyclic water jacket 6, as the temperature in this cyclic water jacket 6 can control at-10 DEG C ~ 90 DEG C by the first temperature control system 18.Preferred cold finger 5 is fixed on the upper end of autoclave 1, the axis of cold finger 5 and the dead in line of autoclave 1, interval is there is between the lower end of cold finger 5 and the lower end of autoclave 1, also containing cyclic water jacket 2 in the sidewall of autoclave 1, this cyclic water jacket 2 is connected with the second temperature control system 19, second temperature control system 19 can control the temperature in this cyclic water jacket 2, as the temperature in this cyclic water jacket 2 can control at-10 DEG C ~ 90 DEG C by the second temperature control system 19.Cyclic water jacket can control the temperature in cold finger surface and autoclave more accurately.
Concrete, described cold finger 5 is arranged on the center of high pressure kettle cover 7, be suspended in the core of autoclave 1, the spacing of 2cm is had with autoclave 1 end bottom cold finger 5, driving mechanism 8 is magnetic agitation system, and this magnetic agitation system comprises stirrer, outer magnetic card, outer magnetic patch, stirring motor, speed adjustment and display device.Described cold finger 5 is designed to withstand voltage, be placed in autoclave 1 inner high voltage environment during use, cold finger 5 is made up of inside and outside two-layer cylindrical shape stainless steel, the two ends of two concentric drums have been totally enclosed, and this stainless steel needs to thicken to bear the hyperbaric environment in autoclave 1, cyclic water jacket 6 is provided with between two-layer cylindrical shape stainless steel, cyclic water jacket is connected with the first cold finger temperature control system 18, the core of concentric column is empty, be used for placing paddle 4, carry out the temperature of cold finger 5 during wax deposit experiment generally lower than the temperature in autoclave 1, the shape of cold finger 5 is again vertically cylindrical, therefore title cold finger.The advantage herein designed is, designed cold finger 5 intensity enough bears certain high pressure, there is independently the first temperature control system 18 to control cold finger temperature, during wax deposit is tested, in cold finger 5 and autoclave 1, between temperature, produce the temperature difference, for the diffusion of wax molecule is given security.In addition, cold finger 5 and high pressure kettle cover 7 removably connect.Such as when carrying out wax deposit experiment, needing cold finger, then cold finger 5 can be arranged on high pressure kettle cover 7, and when autoclave carries out other experiments, do not need cold finger 5, then cold finger 5 can be disassembled from high pressure kettle cover 7.
In the present embodiment, this sampling mechanism comprises stopple coupon 21, first valve 15, sampler 9 and the second valve 16 that connect successively, one end of stopple coupon 21 is plugged in autoclave 1, the other end of stopple coupon 21 is connected with the first valve 15, containing container cavity in sampler 9, a certain amount of fluid sample can be held.As shown in Figure 1, stopple coupon 21 is arranged on high pressure kettle cover 7, and stopple coupon 21 is in inverted L shape, and the lower end of stopple coupon 21 is inserted in this autoclave 1, and the upper end of stopple coupon 21 is connected with the first valve 15.This sampling mechanism comprises visual glass windows 10, two blocks of transparent withstand voltage glass sheet that this visual glass windows 10 is arranged containing stacked on top of one another, the surrounding of these two blocks transparent withstand voltage glass sheet is tightly connected by fluid sealant 24, gap is there is between these two blocks transparent withstand voltage glass sheet, connecting pipe 22 is provided with between visual glass windows 10 and the second valve 16, one end of connecting pipe 22 is connected with the second valve 16, the other end of connecting pipe 22 is provided with hollow needle 23, and hollow needle 23 is plugged in the gap between these two blocks of withstand voltage glass sheet.As shown in Figure 2, the end of hollow needle 23 is sharper, the good fluid sealant 24 (in Fig. 2 shown in hacures) of elasticity can be thrust, or fluid sealant 24 is provided with reserved spliced eye, the end of hollow needle 23 can be thrust fluid sealant 24 and is incorporated to gap between two blocks of transparent withstand voltage glass sheet.
The advantage herein designed is, sampler 9 two ends are connected with the second valve 16 respectively by the first valve 15, first valve 15 is connected with autoclave 1 by stopple coupon 21, second valve 16 is connected with visual glass windows 10 with hollow needle 23 by connecting pipe 22, first the second valve 16 connecting visual glass windows 10 is closed during sampling, open the first valve 15 connecting autoclave, by the pressure in autoclave 1, sample is driven in sampler 9, then close the first valve 15 connecting autoclave, open the second valve 16 connecting visual glass windows again, sample just can flow into visual glass windows 10, thus can sample at any time, and the impact (decompression) can avoiding opening on experimentation when high pressure kettle cover 7 samples, sampling is simple, low cost.
Described high pressure wax deposit analogue means also comprises polarizing microscope, and visual glass windows 10 is positioned at the objective table of this polarizing microscope.Sample flow in the gap between two panels transparent glass sheet, just can be observed the micromechanism of sample by polarizing microscope.The objective table of this polarizing microscope contains temperature control system, this temperature control system is the 3rd temperature control system, visual glass windows 10 is designed to withstand voltage, the temperature of visual glass windows 10 is controlled by the temperature system of polarizing microscope, ensure consistent with in autoclave of pressure and temperature in visual glass windows 10, avoid the change of sample generation because pressure and temperature changes.
In the present embodiment, autoclave 1 is connected with temperature sensor 13 for detecting sample temperature in autoclave 1, for detecting the pressure transducer 14 of pressure in autoclave 1 and the high pressure in-line viscometer 17 for detecting sample viscosity in autoclave 1.Described high pressure in-line viscometer 17 can dielectric viscosity in the real time measure autoclave 1, and detected value is transferred to data acquisition processing system.Real-time online detects dielectric viscosity in hydrate formation and wax deposit process autoclave, can avoid the impact sampled in flow graph detection method dielectric viscosity.Temperature sensor 13 is also connected with data acquisition processing system with pressure transducer 14, and the temperature and pressure value of detection is transferred to data acquisition processing system.
In the present embodiment, the high pressure kettle cover 7 that can seal this autoclave 1 is contained in the upper end of autoclave 1, driving mechanism 8 is fixed on high pressure kettle cover 7, and paddle 4 is anchor formula paddle, and paddle 4 is containing puddler 41 and mixing part 42, puddler 41 is sheathed in the inner core of cold finger 5, mixing part 42 takes the shape of the letter U, and mixing part 42 comprises horizontal segment and vertical section, and this horizontal segment is between the lower end of cold finger 5 and the lower end of autoclave 1, this vertical section is positioned at the outside of cold finger 5, as shown in Figure 1.Anchor formula paddle 4 can reduce the generation of " wall built-up " in autoclave, and can ensure to be subject to uniform shear perturbation up and down in autoclave 1.
Described high pressure wax deposit analogue means comprises the feed tube 20 for injecting sample in autoclave 1, described high pressure wax deposit analogue means comprises the high-pressure air source 12 for injecting gases at high pressure in autoclave 1, high-pressure air source 12 is connected with autoclave 1 by high pressure line, and this high pressure line is provided with flow monitoring and control system 11.High-pressure air source 12 provides enough pressure and source of the gas for autoclave 1, and the hyperbaric environment in autoclave 1 can keep hydrate to generate the stability of rear slurry, ensures carrying out smoothly of hydrate slurry wax deposit experiment under high pressure.
Described high-pressure air source 12 is connected with autoclave 1 by high pressure line, and flow monitoring and control system 11 are used for controlling and record gas consumption and air pressure, described high pressure in-line viscometer 17 are arranged on the sidewall of autoclave 1.This high pressure wax deposit analogue means is also containing safety system; described safety system comprises safety inserting tube 25; one end of safety inserting tube 25 is inserted in autoclave 1; safety inserting tube 25 is connected with safety valve 26 and electro connecting pressure gauge 27, and safety valve 26 and electro connecting pressure gauge 27 are all arranged on outside autoclave 1.This high pressure wax deposit analogue means contains control module; safety valve 26 is connected with this control module with electro connecting pressure gauge 27; after system exceedes set pressure; by the spout hole on safety inserting tube 25, (autoclave 1) gas, liquid in system are directly discharged; electro connecting pressure gauge is owing to exceeding top pressure protection value simultaneously; system meeting auto-breaking, powered-down.The advantage of this design is, prevents hypertonia, blasts.
In addition, in order to improve the automaticity of this high pressure wax deposit analogue means, flow detection is all connected with this control module with control system 11, temperature sensor 13, pressure transducer 14, high pressure in-line viscometer 17, first temperature control system 18, second temperature control system 19 and driving mechanism 8.
Introduce a kind of high pressure wax deposit analogy method below, this high pressure wax deposit analogy method comprises the following steps:
Step 1, inject waxy crude oil emulsion fluid sample and be used for generating the gases at high pressure of hydrate in autoclave 1, as squeezed in autoclave 1 from feed tube 20 by waxy crude oil emulsion fluid, the gas being used for generating hydrate squeezes into autoclave 1 by high-pressure air source 12.
Step 2, open driving mechanism 8, under the stirring of paddle 4, generate hydrate slurry, as controlled suitable temperature, pressure, and opening driving mechanism 8, under agitation generating hydrate slurry;
Step 3, when autoclave 1 inner fluid viscosity changes, the generation situation of this sample is observed in sampling;
Step 4, after this sample generates and stablize hydrate slurry, close driving mechanism 8, carry out hydrate slurry wax deposit cold finger under static high pressure and test; Uninterrupted fluid samples sampling in the process that this experiment is carried out, by visual glass windows 10 crystalline state of microscopic observation wax under polarizing microscope;
Step 5, hydrate slurry wax deposit cold finger under this static high pressure to autoclave 1 pressure release, open autoclave 1 after having tested, and take out cold finger 5, and to being deposited on the wax-layer thickness on cold finger 5 surface, hardness, wax content study.
The above; be only specific embodiment of the utility model, the scope of utility model enforcement can not be limited with it, so the displacement of its equivalent assemblies; or the equivalent variations to do according to the utility model scope of patent protection and modification, all still should belong to the category that this patent is contained.In addition, the technical characteristic in the utility model and all can using by independent assortment between technical characteristic, between technical characteristic and technical scheme, between technical scheme and technical scheme.
Claims (9)
1. a high pressure wax deposit analogue means, it is characterized in that, described high pressure wax deposit analogue means comprises autoclave (1), containing paddle (4) and cold finger (5) in autoclave (1), cold finger (5) is connected with the first temperature control system (18), first temperature control system (18) can control the temperature of cold finger (5), paddle (4) is connected with the driving mechanism (8) for driving paddle (4) to rotate, described high pressure wax deposit analogue means also comprises the sampling mechanism that can sample under the hyperbaric environment in autoclave (1).
2. high pressure wax deposit analogue means according to claim 1, it is characterized in that, cold finger (5) is tubular structure, cold finger (5) is containing inner core and urceolus, cyclic water jacket (6) is provided with between this inner core and urceolus, first temperature control system (18) is connected with this cyclic water jacket (6), and the first temperature control system (18) can control the temperature in this cyclic water jacket (6).
3. high pressure wax deposit analogue means according to claim 2, it is characterized in that, cold finger (5) is fixed on the upper end of autoclave (1), the axis of cold finger (5) and the dead in line of autoclave (1), interval is there is between the lower end of cold finger (5) and the lower end of autoclave (1), containing cyclic water jacket (2) in the sidewall of autoclave (1), this cyclic water jacket (2) is connected with the second temperature control system (19), and the second temperature control system (19) can control the temperature in this cyclic water jacket (2).
4. high pressure wax deposit analogue means according to claim 1, it is characterized in that, this sampling mechanism comprises the stopple coupon (21), the first valve (15), sampler (9) and the second valve (16) that connect successively, one end of stopple coupon (21) is plugged in autoclave (1), the other end of stopple coupon (21) is connected with the first valve (15), containing container cavity in sampler (9).
5. high pressure wax deposit analogue means according to claim 4, it is characterized in that, this sampling mechanism comprises visual glass windows (10), two blocks of withstand voltage glass sheet that this visual glass windows (10) is arranged containing stacked on top of one another, the environmental seal of these two blocks of withstand voltage glass sheet connects, gap is there is between these two blocks of withstand voltage glass sheet, connecting pipe (22) is provided with between visual glass windows (10) and the second valve (16), one end of connecting pipe (22) is connected with the second valve (16), the other end of connecting pipe (22) is provided with hollow needle (23), hollow needle (23) is plugged in the gap between these two blocks of withstand voltage glass sheet.
6. high pressure wax deposit analogue means according to claim 5, it is characterized in that, described high pressure wax deposit analogue means also comprises polarizing microscope, visual glass windows (10) is positioned at the objective table of this polarizing microscope, and visual glass windows (10) controls the temperature in visual glass windows (10) by the temperature control system of the objective table of this polarizing microscope.
7. high pressure wax deposit analogue means according to claim 1, it is characterized in that, autoclave (1) is connected with temperature sensor (13) for detecting autoclave (1) interior sample temperature, for detecting the pressure transducer (14) of autoclave (1) interior pressure and the high pressure in-line viscometer (17) for detecting autoclave (1) interior sample viscosity.
8. high pressure wax deposit analogue means according to claim 2, it is characterized in that, the high pressure kettle cover (7) that can seal this autoclave (1) is contained in the upper end of autoclave (1), cold finger (5) and high pressure kettle cover (7) removably connect, driving mechanism (8) is fixed on high pressure kettle cover (7), paddle (4) is anchor formula paddle, paddle (4) is containing puddler (41) and mixing part (42), puddler (41) is sheathed in the inner core of cold finger (5), mixing part (42) comprises horizontal segment and vertical section, this horizontal segment is positioned between the lower end of cold finger (5) and the lower end of autoclave (1), this vertical section is positioned at the outside of cold finger (5).
9. high pressure wax deposit analogue means according to claim 1, it is characterized in that, described high pressure wax deposit analogue means comprises the feed tube (20) for injecting sample in autoclave (1), described high pressure wax deposit analogue means comprises the high-pressure air source (12) for injecting gases at high pressure in autoclave (1), high-pressure air source (12) is connected with autoclave (1) by high pressure line, and this high pressure line is provided with flow monitoring and control system (11).
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| CN201520876723.8U CN205157473U (en) | 2015-11-05 | 2015-11-05 | High wax pressing deposit analogue means |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520876723.8U CN205157473U (en) | 2015-11-05 | 2015-11-05 | High wax pressing deposit analogue means |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223227A (en) * | 2015-11-05 | 2016-01-06 | 中国石油大学(北京) | A kind of high pressure wax deposit analogue means and method |
| CN110274964A (en) * | 2018-03-14 | 2019-09-24 | 中国石油大学(北京) | A kind of evaluation method and device of pour-point depressant |
| US11125735B2 (en) * | 2017-03-30 | 2021-09-21 | Championx Usa Inc. | Dynamic wax deposition testing systems and methods |
| CN113588478A (en) * | 2020-04-30 | 2021-11-02 | 中国石油天然气股份有限公司 | Wax deposition simulation equipment |
| CN114324338A (en) * | 2022-01-10 | 2022-04-12 | 西南石油大学 | Online microscopic identification system for solid phase generation of high-pressure wax-containing oil-gas mixed transportation |
-
2015
- 2015-11-05 CN CN201520876723.8U patent/CN205157473U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223227A (en) * | 2015-11-05 | 2016-01-06 | 中国石油大学(北京) | A kind of high pressure wax deposit analogue means and method |
| CN105223227B (en) * | 2015-11-05 | 2017-11-24 | 中国石油大学(北京) | A kind of high pressure wax deposit analogue means and method |
| US11125735B2 (en) * | 2017-03-30 | 2021-09-21 | Championx Usa Inc. | Dynamic wax deposition testing systems and methods |
| CN110274964A (en) * | 2018-03-14 | 2019-09-24 | 中国石油大学(北京) | A kind of evaluation method and device of pour-point depressant |
| CN113588478A (en) * | 2020-04-30 | 2021-11-02 | 中国石油天然气股份有限公司 | Wax deposition simulation equipment |
| CN113588478B (en) * | 2020-04-30 | 2024-05-28 | 中国石油天然气股份有限公司 | Wax Deposition Simulation Equipment |
| CN114324338A (en) * | 2022-01-10 | 2022-04-12 | 西南石油大学 | Online microscopic identification system for solid phase generation of high-pressure wax-containing oil-gas mixed transportation |
| CN114324338B (en) * | 2022-01-10 | 2023-11-03 | 西南石油大学 | Online microcosmic identification system for high-pressure wax-containing gas mixed transportation solid phase generation |
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