CN102305752B - Foam loop rheometer - Google Patents
Foam loop rheometer Download PDFInfo
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- CN102305752B CN102305752B CN 201110240843 CN201110240843A CN102305752B CN 102305752 B CN102305752 B CN 102305752B CN 201110240843 CN201110240843 CN 201110240843 CN 201110240843 A CN201110240843 A CN 201110240843A CN 102305752 B CN102305752 B CN 102305752B
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Abstract
The invention provides a foam loop rheometer, which comprises a carbon dioxide addition part, a reagent addition part, a pressure balance part, a test part, a cleaning recovery part, a temperature simulation part and a computer and data collection storage part. The foam loop rheometer has the advantages that: 1) large-flow, high-quality and high-accuracy fluid can be provided; 2) the use of CO2 is saved; 3) the rheometer has a closed-loop test loop in which the fluid to be measured can flow circularly, the fluid to be measured can be mixed fully in the flowing process, and each test point can be tested repeatedly; 4) in the test process, any reagent can be added into the rheometer to change proportioning; 5) in the rheometer, an intelligent constant speed and constant pressure circulating pump is used, the speed and pressure of the fluid provided by the pump are constant, the fluid does not have pulses, and the measuring accuracy is high; 6) after tests are finished, experimental pipelines can be cleaned by using supercritical CO2 fluid, and the reagents can be recovered; and 7) the pollution on environment is reduced.
Description
Technical field
The present invention relates to a kind of foam loop rheometer, belong to the chemical computation technical field.
Background technology
Fracturing liquid more and more is subject to people's attention the injury of reservoir and supporting crack flow conductivity, high-quality, low injury, fracturing liquid is the direction that people study cheaply, foam pressure liquid is the focus of the up-to-date concern of people, foam fracturing fluid uses and accounts for the 30%-35% of fracturing fluid system abroad at present, and the trend that develops rapidly is arranged.It is domestic because the developmental limitation of research method and appointed condition is relative backward.Therefore provide the advanced instrument that can carry out above-mentioned research and experiment, seem particularly important.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, a kind of foam loop rheometer is provided.
Foam loop rheometer of the present invention comprises that carbon dioxide adds part, reagent adds part, pressure equilibrium part, part of detecting, clean and reuse part, temperature simulation part and computing machine and data collection process storage area,
Said carbon dioxide addition portion is divided and is comprised that carbon dioxide steel cylinder, filtrator, refrigeration machine, cool exchanger, carbon dioxide storage tank, carbon dioxide add pump, heat exchanger, valve and pipeline;
Said reagent addition portion is divided and is comprised reagent storage tank, volume pump and valve;
Said pressure equilibrium partly comprises pressure equilibrium still, valve, pressure governor and retaining valve;
Said part of detecting comprises mixer, horizontal tube road test section, vertical duct test section, bend pipe road test section, intelligent constant speed and constant pressure ebullator and valve;
Said scavenger circuit part comprises valve and separation vessel;
Said temperature simulation partly comprises incubator and ribbon heater;
Said computing machine and data collection process storage area comprise flow information gathering-device, pressure information gathering-device, temperature information gathering-device and computing machine.
Preferably,
Said flow information gathering-device is intelligent constant speed constant pressure pump, and the pressure information gathering-device is pressure transducer and differential pressure pick-up, and the temperature information collection unit is divided into temperature sensor.
Foam loop rheometer of the present invention has following technique effect:
1) this instrument has been simulated construction condition, namely scene temperature, on-the-spot pressure, provide large flow high
The high-precision fluid of quality.
2) CO2 of instrument is added to first in the mobile test loop of a closed loop cycle, after test is finished,
Separate by separating still again and reclaim the use of having saved CO2.
3) instrument has the test loop that circulates of a closed loop, and detected fluid can be in the process that flows
Fully mix, each test point can repeated multiple timesly be tested.
4) instrument has a pressure equilibrium part.Instrument can add any reagent in test process,
Change proportioning, and can any impact not arranged to test pressure.
5) instrument has used intelligent constant speed and constant pressure ebullator, and constant, the constant pressure of the fluid velocity that this pump provides does not have pulse, and measuring accuracy is high.
6) test finishes available supercritical fluid CO 2 cleaning experiment pipeline, and reclaims.
7) after test finishes, reclaim the reagent of test by separating still, separation, reduce the pollution to environment.
Description of drawings
Fig. 1 is the structural representation of foam loop rheometer of the present invention.
Wherein, 101 is carbon dioxide steel cylinder, and 102 is filtrator, 103 is refrigeration machine, and 104 is cool exchanger, and 105 is carbon dioxide storage tank, 106 for carbon dioxide adds pump, and 107 is heat exchanger, and 201 is reagent storage tank I, 202 is reagent storage tank II, and 203 is that volume pump one, 204 is volume pump two, 301 are the pressure equilibrium still, and 302 is pressure governor, and 401 is mixer, 402 is intelligent constant speed and constant pressure ebullator, and 501 is separation vessel, and 601 is incubator.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, foam loop rheometer of the present invention comprises that carbon dioxide adds part, reagent adds part, pressure equilibrium part, part of detecting, clean and reuse part, temperature simulation part, computing machine and data collection process storage area.
The carbon dioxide addition portion is divided and is comprised that carbon dioxide steel cylinder 101, filtrator 102, refrigeration machine 103, cool exchanger 104, carbon dioxide storage tank 105, carbon dioxide add pump 106, heat exchanger 107,1,2,3,5,6,7,8,9,10, No. 16 valves and pipeline.
The reagent addition portion is divided and is comprised reagent storage tank I and II (201,202), volume pump one and two (203,204), 19,20,21,23,24,25,26, No. 27 valves.
Pressure equilibrium partly comprises pressure equilibrium still 301,18, No. 23 valves, pressure governor 302, retaining valve.
Part of detecting comprises mixer 401, Φ 12 * 2 horizontal tube road test sections, Φ 6 * 1 horizontal tube road test sections, Φ 12 * 2 bend pipe road test sections, intelligent constant speed and constant pressure ebullator 402,15,14,17,28,29,30,31,32, No. 33 valves.
The scavenger circuit part comprises valve 12,13,4 and the composition such as separation vessel 501.
Temperature simulation partly comprises the compositions such as incubator 601 and ribbon heater.
Computing machine and data collection process storage area comprise that flow information (intelligent constant speed constant pressure pump), pressure information (pressure transducer, differential pressure pick-up one, two, three, four), temperature information (temperature sensor), computing machine and related software form.
The course of work of foam loop rheometer of the present invention is as follows:
1) cold mechanism cold, incubator heating, purpose: CO2 cooling is convenient to store and pump.The temperature heating provides the experimental temperature field.
2) add CO2 to the pressure equilibrium still, regulate pressure governor to working pressure.Purpose: pressure equilibrium still piston is pushed into peak, and adds in advance an equalized pressure (being working pressure) for the cavity of resorption of pressure equilibrium still.
3) add CO2 to part of detecting, add in proportion reagent to part of detecting.Purpose: make the fluid of part of detecting according to the ratio preparation of requirement of experiment; The experimental pressure of part of detecting is provided.
4) start intelligent constant speed and constant pressure ebullator, purpose: the fluid of part of detecting is moved to test desired speed in airtight test loop.
5) meet the mensuration requirement when definite experimental temperature, pressure, flow, computer acquisition said temperature, pressure, data on flows gather differential pressure data, deal with data and the event memory of differential pressure pick-up.
6) in the experimentation, can change arbitrarily by intelligent constant speed and constant pressure ebullator the flowing velocity of choice experiment medium.Can add arbitrarily reagent, to change the detected fluid proportioning.Can regulate experimental pressure by regulating pressure governor.Can be by changing the temperature change Experimental Flowing Object temperature of incubator and heating tape.
7) experiment finishes, and starts CO2 and adds pump, adds CO2 to part of detecting, close No. 15 valve, drive valve 13, No. 4, (can drive valve No. 12, add defoamer) purpose: with the CO2 flushing of supercriticality, cleaning experiment pipeline and pump valve etc., then separate and reclaim reagent.
Claims (2)
1. foam loop rheometer is characterized in that, comprises that carbon dioxide adds part, reagent adds part, pressure equilibrium part, part of detecting, clean and reuse part, temperature simulation part and computing machine and data collection process storage area,
Said carbon dioxide addition portion is divided and is comprised that carbon dioxide steel cylinder, filtrator, refrigeration machine, cool exchanger, carbon dioxide storage tank, carbon dioxide add pump, heat exchanger, valve and pipeline;
Said reagent addition portion is divided and is comprised reagent storage tank, volume pump and valve;
Said pressure equilibrium partly comprises pressure equilibrium still, valve, pressure governor and retaining valve;
Said part of detecting comprises mixer, the first horizontal tube road test section, the second horizontal tube road test section, bend pipe road test section, intelligent constant speed and constant pressure ebullator and valve;
Said clean and reuse partly comprises valve and separation vessel;
Said temperature simulation partly comprises incubator and ribbon heater;
Said computing machine and data collection process storage area comprise flow information gathering-device, pressure information gathering-device, temperature information gathering-device and computing machine,
Section in parallel, bend pipe road test section, the upper end of pressure equilibrium still and an end of intelligent constant speed and constant pressure ebullator that said carbon dioxide steel cylinder, filtrator, cool exchanger, carbon dioxide storage tank, carbon dioxide add pump, heat exchanger, mixer, the first horizontal tube road test section and the second horizontal tube road test section link to each other successively; Pipeline between the other end of intelligence constant speed and constant pressure ebullator and separation vessel, heat exchanger and the mixer, the lower end of pressure equilibrium still link to each other respectively; Described pressure governor is connected on the pipeline between the lower end of heat exchanger and pressure equilibrium still; Described refrigeration machine links to each other with cool exchanger; Said volume pump links to each other successively with reagent storage tank, mixer; Described heat exchanger, reagent storage tank, mixer, pressure governor and pressure equilibrium still all are located in the incubator.
2. foam loop rheometer according to claim 1 is characterized in that, said flow information gathering-device is intelligent constant speed constant pressure pump, and the pressure information gathering-device is pressure transducer and differential pressure pick-up, and the temperature information collection unit is divided into temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110240843 CN102305752B (en) | 2011-08-22 | 2011-08-22 | Foam loop rheometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110240843 CN102305752B (en) | 2011-08-22 | 2011-08-22 | Foam loop rheometer |
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| Publication Number | Publication Date |
|---|---|
| CN102305752A CN102305752A (en) | 2012-01-04 |
| CN102305752B true CN102305752B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110240843 Active CN102305752B (en) | 2011-08-22 | 2011-08-22 | Foam loop rheometer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034630A (en) * | 2014-06-17 | 2014-09-10 | 西安交通大学 | Fracturing liquid performance experimental system for geological transformation of oil and gas reservoir |
| CN107389504A (en) * | 2016-05-16 | 2017-11-24 | 中国石油化工股份有限公司 | For measuring the device and method of supercritical carbon dioxide fracturing fluid rheological characteristic |
| CN110763599B (en) * | 2019-11-04 | 2022-05-06 | 中国石油大学(华东) | Experimental device and method for testing performance and defoaming separation effect of foamed fluid |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6807849B1 (en) * | 2002-10-28 | 2004-10-26 | The University Of Tulsa | Foam generator and viscometer apparatus and process |
| CN1624451A (en) * | 2003-12-06 | 2005-06-08 | 西南石油学院 | Method of measuring foam rheological behaviour using bleed flou type multipoint pipe viscosimeter |
| CN201023039Y (en) * | 2007-04-16 | 2008-02-20 | 中国石化集团胜利石油管理局钻井工艺研究院 | Circulating foam high-temperature high-pressure simulated experiment device |
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