CN204789224U - Anhydrous fracturing fluid of carbon dioxide rubs and hinders testing arrangement - Google Patents
Anhydrous fracturing fluid of carbon dioxide rubs and hinders testing arrangement Download PDFInfo
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- CN204789224U CN204789224U CN201520417655.9U CN201520417655U CN204789224U CN 204789224 U CN204789224 U CN 204789224U CN 201520417655 U CN201520417655 U CN 201520417655U CN 204789224 U CN204789224 U CN 204789224U
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- carbon dioxide
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- pressure
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Abstract
The utility model provides an anhydrous fracturing fluid of carbon dioxide rubs and hinders testing arrangement, provides the anhydrous fracturing fluid of special test carbon dioxide, rubs under different temperatures and pressure and hinders the device of characteristic, but also can be used for carbon dioxide dry process fracturing fluid, rheological behavior under different temperatures and pressure, at first with the gaseous refrigerating fluid ization of CO2, then through CO2 pump high -pressure injection pipeline, and pour into reagent by the reagent pump into and mix and form the anhydrous fracturing fluid of carbon dioxide, regulating frequency and ratio can be split liquid to the pipeline middling pressure by the pre -heater simultaneously and heat to the temperature of needs as required, then through the valve, select thin straight tube of process or thick straight tube or coil pipe to flow out in a flexible way, and pipe -line system pressure is adjusted by the back pressure valve, at pipeline exit connection recovery processing device, the measuring resistance of rubbing is wanted exactly to straight tube and the coil pipe both ends sensor measurements pressure differential of cutting down output simultaneously, this pressure differential value, and the rheological property is measured according to tubule formula flow graph principle.
Description
Technical field
The utility model relates to the anhydrous fracturing technique field of carbon dioxide, is specifically related to the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide.
Background technology
In recent years, a kind of new anhydrous fracturing technique of fracturing technique-carbon dioxide warms up gradually, and increasing people start to study him.The anhydrous fracturing liquid of carbon dioxide becomes with a small amount of chemical reagent set primarily of carbon dioxide.Such as, but the existing instrument to performance tests such as fracturing liquid frictional resistances is mainly for conventional liq fracturing liquid, and gelled fracturing fluid, or the friction loss characteristic of riverfrac treatment liquid, as the equipment of the of the fracturing fluid friction loss characteristic of this gas of special test, existing commercially also do not have.
Summary of the invention
In order to overcome above-mentioned prior art Problems existing, the purpose of this utility model there are provided the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide, the anhydrous fracturing liquid of this carbon dioxide of special test, friction loss characteristic at different temperatures and pressures; Simultaneously according to the principle of thin-tube type flow graph, also can be used for carbon dioxide dry method fracturing liquid, rheological characteristics at different temperatures and pressures.
In order to achieve the above object, the technical scheme that the utility model is taked is:
The anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide, comprise the first gas cylinder 1 and the second gas cylinder 2, first gas cylinder 1, second gas cylinder 2 is connected with the entrance of clarifier 5 with the second valve 4 respectively by the first valve 3, outlet connection traffic meter 6, refrigerating plant 7, the liquid CO successively of clarifier 5
2storage tank 8, wherein refrigerating plant 7 and liquid CO
2the 3rd valve 9 is connected with, liquid CO in the middle of storage tank 8
2storage tank 8 exports and is connected with the 4th valve 10, pressure gauge 12 and the 5th valve the 11, five valve 11 simultaneously and exports and connect CO successively
2primary heater 18 is entered after pump 13 and retaining valve 16;
Another branch road, reagent pot 14 exports and after reagent pump 15, connects retaining valve 16 entrance, CO
2pump 13 and reagent pump 15 exit are connected with safety valve 17, and the export pipeline of primary heater 18 is connected with in turn thermometer 19 and pressure transducer 20, are then connected in parallel to thin straight tube branch road, thick straight tube branch road and coil pipe branch road; The export pipeline of thin straight tube branch road, thick straight tube branch road and coil pipe branch road is connected with counterbalance valve 33;
Wherein: thin straight tube branch road comprises thin straight tube 23, be connected with the first differential pressure pickup 22 between the input of thin straight tube 23, output terminal, the input end of thin straight tube 23 is also connected with the 6th valve 21, and output terminal is also connected with the 7th valve 24;
Thick straight tube branch road comprises thick straight tube 27, and be connected with the second differential pressure pickup 26 between the input of thick straight tube 27, output terminal, the input end of thick straight tube 27 is also connected with the 8th valve 25, and output terminal is also connected with the 9th valve 28;
Coil pipe branch road comprises coil pipe 30, and be connected with the 3rd differential pressure pickup 31 between the input of coil pipe 30, output terminal, the input end of coil pipe 30 is also connected with the tenth valve 29, and output terminal is also connected with the 11 valve 32.
Gas cylinder can be selected to access quantity.
Described liquid CO
2storage tank 8 is inner at refrigerating plant 7, is refrigerating plant 7 part.
Described CO
2pump 13 and reagent pump 15 adopt variable frequency pump, band Variable-frequency Regulating System, can regulate the flow of pump and synthesize reagent concentration proportioning in fracturing liquid; More than maximum working pressure (MWP) 50MPa, thus condition of formation pressure when can simulate pressing crack construction.
Described reagent pot 14 lower end is also designed with emptying valve, facilitates emptying and cleaning, and configuration heating arrangement carrys out control temperature.
Described counterbalance valve 33 exports and connects recycling and processing device.
Connect all pipelines between refrigerating plant 7 to counterbalance valve 33, parcel can be wound around with insulation material.
Also comprise the digital collection control card be connected with flowmeter 6, pressure gauge 12, thermometer 19, pressure transducer 20, first differential pressure pickup 22, second differential pressure pickup 26 and the 3rd differential pressure pickup 31, for gathering pressure, temperature, flow, pressure reduction and frequency modulation pump frequency, the data treated generation raw data form gathered, analytical statement and curve map, generate database file form so that user uses simultaneously.
Described digital collection control card adopts import MOX or C168H digital collection control card.
Advantage of the present utility model:
(1) the utility model tests the anhydrous fracturing liquid of carbon dioxide specially, at different temperatures and pressures the device of friction loss characteristic; But also may be used for carbon dioxide dry method fracturing liquid, rheological characteristics at different temperatures and pressures.
(2) this apparatus design has refrigerating plant 7 can experimentally need to set cryogenic temperature.Its built-in liquid CO
2storage tank can store a certain amount of liquid CO
2.
(3) this apparatus design has CO
2pump 13 and reagent pump 15, can select to change discharge capacity with frequency modulation pump, and then control CO
2with the proportioning of agents useful for same.
(4) this apparatus design has primary heater 18, can pilot piping temperature as required.
(5) this apparatus design 2 kinds of caliber straight tubes and a set of spiral coil, fracturing liquid can be carried out at different pipeline diameter, pipeline shape, pipe stream frictional resistance experiments of measuring under different temperatures, pressure, shear rate, as required, thin straight tube 23 can be selected, thick straight tube 27, coil pipe 30 caliber, select by the nearest valve switch in their two ends, a certain bar in these 3 pipelines of flexible choice for use.
(6) this apparatus design counterbalance valve 33 can make the working pressure that channel interior keeps certain, can connect experimental waste liquid reclaim or treating apparatus in its outlet.
(7) connect all pipelines between refrigerating plant 7 to counterbalance valve 33, parcel can be wound around with insulation material, the test error that be convenient to prevent heat transmission, scatter and disappear etc. causes.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in drawings, the utility model comprises the first gas cylinder 1 and the second gas cylinder 2, first gas cylinder 1, second gas cylinder 2 gas respectively by after the first valve 3, second valve 4, after clarifier 5 purifies, by flowmeter 6 metered flow.Then refrigerating plant 7 is passed through by carbon dioxide refrigeration post liquefaction by CO
2pump 13 intake line.
Wherein refrigerating plant 7 is connected with the 3rd valve 9 above, the 4th valve 10 can facilitate emptying cleaning.Pressure gauge 12 can measure liquid CO
2tank internal pressure.
Another branch road: loaded in the suitable reagent pot 14 of solvent by the chemical reagent prepared, reagent is by reagent pump 15 intake line and CO
2mixing.CO
2the discharge capacity of pump 13 and reagent pump 15 controls material concentration proportioning.
Wherein, retaining valve 16 can prevent reverse flow of fluids, and safety valve 17 is convenient to pilot piping pressure, can ensure pipeline high-voltage safety.The fracturing liquid fluid of mixing can pass through primary heater 18 pilot piping temperature, and temperature can be measured by thermometer 19, and line pressure can be measured by pressure transducer 20.
Then the nearest Valve controlling in their two ends is passed through, flexible selection is by a certain bar in thin straight tube or thick straight tube or coil pipe, the differential pressure pickup at pipeline two ends can measure the pressure reduction at pipeline two ends simultaneously, and the range of pipeline length, caliber and differential pressure pickup can select survey flexibly.
Shear rate can by CO
2the discharge capacity of pump 13 and reagent pump 15 and caliber control shear rate.Pipe system pressure is regulated by counterbalance valve 33.
In addition, this device also has data acquisition process function, realize computer operation: data acquisition system (DAS) comprises pressure, temperature, flow, pressure reduction, frequency modulation pump frequency, in order to ensure the reliability of measuring accuracy and control, adopt import MOX, C168H digital collection control card, thus realize digital collection transmission.
The data of computer acquisition are treated generates raw data form, analytical statement and curve map, generates database file form so that user flexibility uses simultaneously.
Principle of work of the present utility model is: CO in the first gas cylinder 1, second gas cylinder 2
2gas through refrigerating plant 7 post liquefaction by CO
2pump 13 injects; The reagent prepared is injected by reagent pump 15, with CO
2after gas and vapor permeation, select through meticulous straight tube or slightly straight tube or coil pipe outflow.Straight tube and coil pipe two ends have pressure to produce sensor measures differential pressure simultaneously, and this pressure difference is exactly the Value of Friction Loss that will measure.Rheological properties is measured according to thin-tube type flow graph principle.Wherein: pipe system pressure is first by CO
2pump 13 and reagent pump 15 supercharging, then regulated by counterbalance valve 33; Temperature mainly controls by primary heater 18; Discharge capacity and fracturing liquid proportioning are by CO
2pump 13 and reagent pump 15 control.
Claims (9)
1. the anhydrous fracturing liquid friction drag testing device of carbon dioxide, comprise the first gas cylinder (1) and the second gas cylinder (2), it is characterized in that: the first gas cylinder (1), the second gas cylinder (2) are connected with the entrance of the second valve (4) with clarifier (5) respectively by the first valve (3), outlet connection traffic meter (6), refrigerating plant (7), the liquid CO successively of clarifier (5)
2storage tank (8), wherein refrigerating plant (7) and liquid CO
2the 3rd valve (9) is connected with, liquid CO in the middle of storage tank (8)
2storage tank (8) outlet is connected with the 4th valve (10), pressure gauge (12) and the 5th valve (11) simultaneously, and the 5th valve (11) outlet connects CO successively
2primary heater (18) is entered after pump (13) and retaining valve (16);
Another branch road, reagent pot (14) outlet connects retaining valve (16) entrance, CO after reagent pump (15)
2pump (13) and reagent pump (15) exit are connected with safety valve (17), the export pipeline of primary heater (18) is connected with in turn thermometer (19) and pressure transducer (20), is then connected in parallel to thin straight tube branch road, thick straight tube branch road and coil pipe branch road; The export pipeline of thin straight tube branch road, thick straight tube branch road and coil pipe branch road is connected with counterbalance valve (33);
Wherein: thin straight tube branch road comprises thin straight tube (23), the first differential pressure pickup (22) is connected with between the input of thin straight tube (23), output terminal, the input end of thin straight tube (23) is also connected with the 6th valve (21), and output terminal is also connected with the 7th valve (24);
Thick straight tube branch road comprises thick straight tube (27), the second differential pressure pickup (26) is connected with between the input of thick straight tube (27), output terminal, the input end of thick straight tube (27) is also connected with the 8th valve (25), and output terminal is also connected with the 9th valve (28);
Coil pipe branch road comprises coil pipe (30), the 3rd differential pressure pickup (31) is connected with between the input of coil pipe (30), output terminal, the input end of coil pipe (30) is also connected with the tenth valve (29), and output terminal is also connected with the 11 valve (32).
2. the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide according to claim 1, is characterized in that: gas cylinder can be selected to access quantity.
3. the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide according to claim 1, is characterized in that: described liquid CO
2storage tank (8) is inner at refrigerating plant (7), is refrigerating plant (7) part.
4. the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide according to claim 1, is characterized in that: CO
2pump (13) and reagent pump (15) adopt variable frequency pump, band Variable-frequency Regulating System, can regulate the flow of pump and synthesize reagent concentration proportioning in fracturing liquid; More than maximum working pressure (MWP) 50MPa, thus condition of formation pressure when can simulate pressing crack construction.
5. the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide according to claim 1, is characterized in that: described reagent pot (14) lower end is also designed with emptying valve, facilitates emptying and cleaning, and configuration heating arrangement carrys out control temperature.
6. the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide according to claim 1, is characterized in that: described counterbalance valve (33) outlet connects recycling and processing device.
7. the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide according to claim 1, is characterized in that: connect all pipelines between refrigerating plant (7) to counterbalance valve (33), is wound around parcel with insulation material.
8. the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide according to claim 1, it is characterized in that: also comprise and flowmeter (6), pressure gauge (12), thermometer (19), pressure transducer (20), first differential pressure pickup (22), the digital collection control card that second differential pressure pickup (26) is connected with the 3rd differential pressure pickup (31), for gathering pressure, temperature, flow, pressure reduction and frequency modulation pump frequency, the data treated generation raw data form gathered, analytical statement and curve map, generate database file form so that user uses simultaneously.
9. the anhydrous fracturing liquid friction drag testing device of a kind of carbon dioxide according to claim 8, is characterized in that: described digital collection control card adopts import MOX or C168H digital collection control card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417655.9U CN204789224U (en) | 2015-06-16 | 2015-06-16 | Anhydrous fracturing fluid of carbon dioxide rubs and hinders testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417655.9U CN204789224U (en) | 2015-06-16 | 2015-06-16 | Anhydrous fracturing fluid of carbon dioxide rubs and hinders testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN204789224U true CN204789224U (en) | 2015-11-18 |
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| CN201520417655.9U Active CN204789224U (en) | 2015-06-16 | 2015-06-16 | Anhydrous fracturing fluid of carbon dioxide rubs and hinders testing arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880386A (en) * | 2015-06-16 | 2015-09-02 | 中国华能集团清洁能源技术研究院有限公司 | System for testing friction resistance of carbon dioxide anhydrous fracturing fluid |
| 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 |
-
2015
- 2015-06-16 CN CN201520417655.9U patent/CN204789224U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880386A (en) * | 2015-06-16 | 2015-09-02 | 中国华能集团清洁能源技术研究院有限公司 | System for testing friction resistance of carbon dioxide anhydrous fracturing fluid |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |