CN102680372A - Pressurization constant temperature control equipment and rock core test system - Google Patents

Pressurization constant temperature control equipment and rock core test system Download PDF

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Publication number
CN102680372A
CN102680372A CN2012101275375A CN201210127537A CN102680372A CN 102680372 A CN102680372 A CN 102680372A CN 2012101275375 A CN2012101275375 A CN 2012101275375A CN 201210127537 A CN201210127537 A CN 201210127537A CN 102680372 A CN102680372 A CN 102680372A
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ebullator
chamber
ring
inlet
temperature sensor
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CN102680372B (en
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吕伟峰
张祖波
刘庆杰
马德胜
吴康云
严守国
罗蔓莉
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The embodiment of the invention provides a pressurizing constant-temperature control device and a core testing system, wherein the core testing system comprises a CT scanner (1), a core holder (2), an injection pump (3) and a pressurizing constant-temperature control device (4), and the pressurizing constant-temperature control device (4) comprises a motor (410), a gear set (420), a first circulating pump (431), a second circulating pump (432), a first temperature sensor (491), a second temperature sensor (492), a temperature control device (440), one-way valves (451) - (454) and a circulating pump (470). Two circulating pumps with opposite running directions are used as the double-power device, so that the problem that similar equipment such as an oven and the like cannot be used for carrying out constant temperature control on the CT scanning rock core displacement experiment system in the prior art is solved.

Description

A kind of pressurization thermostatic control device and core test system
Technical field
The present invention particularly about the opertaing device in the rock core displacement test, is a kind of pressurization thermostatic control device and core test system about rock core displacement test concretely.
Background technology
In the oil development process, often need carry out the laboratory core displacement test, estimate oil displacement efficiency and fluid properties.The beginning of the eighties in last century; People such as Vinegar are incorporated into the research that aspects such as reservoir physics have been carried out in the petroleum industry field with the CT scan technology first; The CT technology has obtained development rapidly afterwards; And aspects such as as measuring technology conventional in the core analysis, the nonuniformity that is widely used in core description, rock core is measured, the core sample handling procedure is confirmed, the measurement of crack quantitative test, online saturation degree, flowing experiment research.Utilize the CT scan technology; Can carry out visual research to the rock core displacement process; The saturation degree of obtaining the rock core internal flow is understood oil recovery mechanism, the dispersion of monitoring fluid and channelling characteristic, understanding polymer flooding to improving the sweep area influence, announcement formation damage mechanism etc. deeply along the journey distributed intelligence.
For rock core displacement test, often need simulate true reservoir condition, make data result more reliable, and this require whole rock core displacement test under the condition of constant temperature and high temperature, to carry out.Because the singularity of CT scan; The existence of the metallics of any high atomicity (for example stainless steel) all can cause the deviation of experimental result; Therefore; When the condition of constant temperature and high temperature being provided for rock core displacement test, can't use similar devices such as baking oven of the prior art that experimental system is carried out thermostatic control, also can't resistance wire be inserted in the core holding unit and heat.
Summary of the invention
The embodiment of the invention provides a kind of pressurization thermostatic control device and core test system; Adopt the opposite ebullator of two traffic directions as double motor equipment, solved similar devices such as to use baking oven in the prior art CT scan rock core displacement test system is carried out thermostatically controlled problem.
One of the object of the invention is, a kind of pressurization thermostatic control device is provided, and comprising:
Motor 410, the gear set 420 that is connected with described motor 410, first ebullator 431, second ebullator 432 that are connected with described gear set 420 respectively;
Wherein, described first ebullator 431, second ebullator, 432 traffic directions are opposite, and described motor 410 drives described first ebullator 431, second ebullator, 432 mutual reverse direction operations through described gear set 420;
The ring that is provided with inlet 461 and liquid outlet 462 is pressed chamber 460, and described ring presses chamber 460 to be connected with described first ebullator 431, second ebullator 432;
The ring press pump 470 that is connected with the inlet 461 in described ring pressure chamber 460;
Described ring presses the inlet 461 in chamber 460 to be provided with first temperature sensor 491; Described ring presses the liquid outlet 462 in chamber 460 to be provided with second temperature sensor 492, and described first temperature sensor 491, second temperature sensor 492 are connected with temperature regulating device 440 respectively.
Wherein, be provided with heating arrangement on the outer wall of cylinder block of described first ebullator 431 and second ebullator 432, described heating arrangement is connected with described temperature regulating device 440.Described heating arrangement is electrical heating wire and/or heating jacket.
Preferably, described first ebullator 431 is connected in the inlet 461 that described ring is pressed chamber 460 through the first forward retaining valve 451, is connected in the liquid outlet 462 that described ring is pressed chamber 460 through the first reverse retaining valve 452.Described second ebullator 432 is connected in the inlet 461 that described ring is pressed chamber 460 through the second forward retaining valve 454, is connected in the liquid outlet 462 that described ring is pressed chamber 460 through the second reverse retaining valve 453.
Preferably, described ring press pump 470 is connected in the inlet 461 that described ring is pressed chamber 460 through pipeline, and described pipeline is provided with atmospheric valve 480.Described pipeline is processed by the PEEK material.Described first ebullator 431, second ebullator 432 are conventional piston pump.
One of the object of the invention is, a kind of core test system is provided, and comprising: CT scanner 1, core holding unit 9, injection pump 6 and pressurization thermostatic control device, and wherein said pressurization thermostatic control device comprises:
Motor 410, the gear set 420 that is connected with described motor 410, first ebullator 431, second ebullator 432 that are connected with described gear set 420 respectively;
Wherein, described first ebullator 431, second ebullator, 432 traffic directions are opposite, and described motor 410 drives described first ebullator 431, second ebullator, 432 mutual reverse direction operations through described gear set 420;
The ring that is provided with inlet 461 and liquid outlet 462 is pressed chamber 460, and described ring presses chamber 460 to be connected with described first ebullator 431, second ebullator 432;
The ring press pump 470 that is connected with the inlet 461 in described ring pressure chamber 460;
Be provided with first temperature sensor 491 near the inlet 461 in described ring pressure chamber 460; Described ring is provided with second temperature sensor 492 near pressing the liquid outlet 462 in chamber 460, and described first temperature sensor 491, second temperature sensor 492 are connected with temperature regulating device 440 respectively.
Described core holding unit 9 is processed by the PEEK material.
Beneficial effect of the present invention is; Through sensor groups, downhole testing terminal circuit and electromagnetic wave launcher are set on the downhole testing appearance; Electromagnetic wave is transmitted into Ground Processing System with the form of carrier wave through the stratum with the production data of downhole testing appearance collection; And then realized the no cable direct reading test of production data under the rod-pumped well, solved the cost height and the big problem of difficulty of construction that exist in the prior art.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the embodiment one of a kind of thermostatic control device that pressurizes that Fig. 1 provides for the embodiment of the invention;
The structural representation of the embodiment two of a kind of thermostatic control device that pressurizes that Fig. 2 provides for the embodiment of the invention;
The structural representation of the embodiment three of a kind of thermostatic control device that pressurizes that Fig. 3 provides for the embodiment of the invention;
The structural representation of the embodiment four of a kind of thermostatic control device that pressurizes that Fig. 4 provides for the embodiment of the invention;
The structural representation of a kind of core test system that Fig. 5 provides for the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The structural representation of the embodiment one of a kind of thermostatic control device that pressurizes that Fig. 1 provides for the embodiment of the invention, can know that by Fig. 1 described pressurization thermostatic control device comprises:
Motor 410, the gear set 420 that is connected with described motor 410, first ebullator 431, second ebullator 432 that are connected with described gear set 420 respectively;
Wherein, described first ebullator 431, second ebullator, 432 traffic directions are opposite, and in concrete embodiment, two ebullators can be realized through conventional piston pump, are the conventional piston pump of 2.5kW such as power, fill water or oil in the conventional piston pump.
Described motor 410 drives described first ebullator 431, second ebullator, 432 mutual reverse direction operations through described gear set 420;
The ring that is provided with inlet 461 and liquid outlet 462 is pressed chamber 460, and described ring presses chamber 460 to be connected with described first ebullator 431, second ebullator 432.In coreflooding experiment, all need add ring and press through water or oil, ring is pressed chamber 460 to be and is full of and adds the space of encircling hydraulic fluid (water or oil).
With the ring press pump 470 that described ring presses the inlet 461 in chamber 460 to be connected, described ring press pump 470 is used to keep described ring and presses the constant of chamber 460 added rings pressures, and in concrete embodiment, ring press pump 470 passes through conventional high precision piston pump to be realized.
Described ring presses the inlet 461 in chamber 460 to be provided with first temperature sensor 491; Described ring presses the liquid outlet 462 in chamber 460 to be provided with second temperature sensor 492, and described first temperature sensor 491, second temperature sensor 492 are connected with temperature regulating device 440 respectively.Described temperature regulating device 440 is used for the temperature of confined pressure liquid is added to the temperature of appointment and keeps temperature constant, and in concrete embodiment, temperature regulating device 440 is realized through the resistance wire and the relay of heating.
The structural representation of the embodiment two of a kind of thermostatic control device that pressurizes that Fig. 2 provides for the embodiment of the invention, can know that by Fig. 2 described pressurization thermostatic control device also comprises:
Be provided with heating arrangement 433 on the outer wall of cylinder block of described first ebullator 431 and second ebullator 432, described heating arrangement 433 is connected with described temperature regulating device 440.In concrete embodiment, described heating arrangement 433 can be electrical heating wire and/or heating jacket and other similar devices.
The structural representation of the embodiment three of a kind of thermostatic control device that pressurizes that Fig. 3 provides for the embodiment of the invention; Can know by Fig. 3; Described first ebullator 431 is connected in the inlet 461 that described ring is pressed chamber 460 through the first forward retaining valve 451, is connected in the liquid outlet 462 that described ring is pressed chamber 460 through the first reverse retaining valve 452.Described second ebullator 432 is connected in the inlet 461 that described ring is pressed chamber 460 through the second forward retaining valve 454, is connected in the liquid outlet 462 that described ring is pressed chamber 460 through the second reverse retaining valve 453.In concrete practical application, all realize between first ebullator 431, second ebullator 432 and inlet 461, the liquid outlet 462 through pressure line.
The structural representation of the embodiment four of a kind of thermostatic control device that pressurizes that Fig. 4 provides for the embodiment of the invention; Can know by Fig. 4; Described ring press pump 470 is connected in the inlet 461 that described ring is pressed chamber 460 through pipeline, and described pipeline is provided with atmospheric valve 480.Described atmospheric valve 480 is used for pressing the air in the chamber 460 fully to get rid of on described ring, makes abundant full of liquid in the cavity.Described pipeline can be realized through pressure line in concrete practical application, processed by the PEEK material.
Introduce the course of work of a kind of thermostatic control device that pressurizes that the embodiment of the invention provides below.Specifically comprise:
1, utilizes heating arrangement that water in first ebullator 431, second ebullator 432 or oil are heated to the required temperature of CT scan rock core displacement test, be generally room temperature to reservoir temperature.
2, start ring press pump 470 so that press chamber 460 to pressurize to ring.
3, starter motor 410; Motor 410 driven gear groups 420 are rotated and are driven first ebullator 431, second ebullator 432 with mutual reverse direction operation through gear set 420; Thereby make in first ebullator 431 add hydraulic water or oil flows out from first ebullator 431; Get into the inlet 461 that ring is pressed chamber 460 through retaining valve 451 and pressure line, from encircle the liquid outlet 462 of pressing chamber 460, flow out subsequently, through pressure line and retaining valve 453; Get in second ebullator 432, so just realized adding hydraulic water or oil and pressed the circulation between the chamber at two ebullators and ring.
After the piston in two ebullators 431,432 moves to an end of piston pump; Two ebullators 431,432 are with inverted running; Add the outflow from second ebullator 432 of hydraulic water or oil this moment, get into the inlet 461 that ring is pressed chamber 460, from encircle the liquid outlet 462 of pressing chamber 460, flow out subsequently through retaining valve 454 and pressure line; Through pressure line and retaining valve 452, get in first ebullator 431.
Two ebullators 431,432 constantly add the output of hydraulic water or oil, the alternation procedure of suction; Assurance adds hydraulic water or oil circulates in ring pressure chamber 460; Utilize first temperature sensor 491, second TEMP 492 and temperature regulating device 440 control heating-up temperatures near inlet 461 that ring presses chamber 460 and the liquid outlet 462, realize that simultaneously ring presses the 460 pairs of rock cores in chamber to apply confined pressure.
The structural representation of a kind of core test system that Fig. 5 provides for the embodiment of the invention can be known by Fig. 5, and described core test system comprises: CT scanner 1, core holding unit 2, injection pump 3 and pressurization thermostatic control device 4,
Wherein, described CT scanner 1 is used to launch the X-ray scanning rock core.
Place rock core in the described core holding unit 2, in described rock core, carry out coreflooding experiment, described core holding unit (9) is processed by the PEEK material.
Described injection pump 3 is used to inject liquid, in concrete embodiment, realizes through the high precision piston pump.
The test process of core test system is the common practise of this area, repeats no more here.
In sum, useful achievement of the present invention is: adopt the opposite ebullator of two traffic directions as double motor equipment, solved similar devices such as can't using baking oven in the prior art CT scan rock core displacement test system is carried out thermostatically controlled problem.
Advantage of the present invention is:
1. creatively adopt the opposite ebullator of two traffic directions as double motor equipment; Add the circulation that hydraulic water or oil have realized in pressurization, realizing thermostatted water in the core holding unit ring pressing system or oil through in ebullator, filling, to have solved the technical matters that high-temperature and high-pressure conditions can't be provided in the CT scan rock core displacement test.
2. creatively at the core holding unit that adopts the PEEK material to process; And press the pressure line between the chamber to process ebullator and ring through the PEEK material; Realized being particularly suitable for the core test system of CT scan rock core displacement test; Solve the problem that to use the metallics of any high atomicity in the existing core test system, reduced the deviation of whole rock core displacement test, improved the accuracy of experiment.
Used specific embodiment among the present invention principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

  1. One kind the pressurization thermostatic control device, it is characterized in that described pressurization thermostatic control device comprises:
    Motor (410), the gear set (420) that is connected with described motor (410), first ebullator (431) that is connected with described gear set (420) respectively, second ebullator (432);
    Wherein, described first ebullator (431), second ebullator (432) traffic direction are opposite, and described motor (410) drives described first ebullator (431), second ebullator (432) reverse direction operation each other through described gear set (420);
    The ring that is provided with inlet (461) and liquid outlet (462) is pressed chamber (460), and described ring presses chamber (460) to be connected with described first ebullator (431), second ebullator (432);
    The ring press pump (470) that is connected with the inlet (461) in described ring pressure chamber (460);
    Described ring presses the inlet (461) in chamber (460) to be provided with first temperature sensor (491); Described ring presses the liquid outlet (462) in chamber (460) to be provided with second temperature sensor (492), and described first temperature sensor (491), second temperature sensor (492) are connected with temperature regulating device (440) respectively.
  2. 2. equipment according to claim 1 is characterized in that, is provided with heating arrangement (433) on the outer wall of cylinder block of described first ebullator (431) and second ebullator (432), and described heating arrangement (433) is connected with described temperature regulating device (440).
  3. 3. equipment according to claim 2 is characterized in that, described heating arrangement is electrical heating wire and/or heating jacket.
  4. 4. equipment according to claim 1; It is characterized in that; Described first ebullator (431) is connected in the inlet (461) that described ring is pressed chamber (460) through the first forward retaining valve (451), is connected in the liquid outlet (462) that described ring is pressed chamber (460) through the first reverse retaining valve (452).
  5. 5. equipment according to claim 4; It is characterized in that; Described second ebullator (432) is connected in the inlet (461) that described ring is pressed chamber (460) through the second forward retaining valve (454), is connected in the liquid outlet (462) that described ring is pressed chamber (460) through the second reverse retaining valve (453).
  6. 6. equipment according to claim 1 is characterized in that, described ring press pump (470) is connected in the inlet (461) that described ring is pressed chamber (460) through pipeline, and described pipeline is provided with atmospheric valve (480).
  7. 7. equipment according to claim 6 is characterized in that described pipeline is processed by the PEEK material.
  8. 8. equipment according to claim 1 is characterized in that, described first ebullator (431), second ebullator (432) are conventional piston pump.
  9. 9. a core test system is characterized in that, described core test system comprises: CT scanner (1), core holding unit (2), injection pump (3), also comprise like any described pressurization thermostatic control device of a claim of claim 1-8 (4),
    Wherein said pressurization thermostatic control device (4) comprising:
    Motor (410), the gear set (420) that is connected with described motor (410), first ebullator (431) that is connected with described gear set (420) respectively, second ebullator (432);
    Wherein, described first ebullator (431), second ebullator (432) traffic direction are opposite, and described motor (410) drives described first ebullator (431), second ebullator (432) reverse direction operation each other through described gear set (420);
    The ring that is provided with inlet (461) and liquid outlet (462) is pressed chamber (460), and described ring presses chamber (460) to be connected with described first ebullator (431), second ebullator (432);
    The ring press pump (470) that is connected with the inlet (461) in described ring pressure chamber (460);
    Be provided with first temperature sensor (491) near the inlet (461) in described ring pressure chamber (460); Described ring is provided with second temperature sensor (492) near pressing the liquid outlet (462) in chamber (460), and described first temperature sensor (491), second temperature sensor (492) are connected with temperature regulating device (440) respectively.
  10. 10. system according to claim 9 is characterized in that, described core holding unit (2) is processed by the PEEK material.
CN201210127537.5A 2012-04-26 2012-04-26 Pressurization constant temperature control equipment and rock core test system Active CN102680372B (en)

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CN103076346A (en) * 2012-12-31 2013-05-01 中国石油天然气股份有限公司 Rock core displacement experiment method based on CT scanning
CN103383378A (en) * 2013-07-19 2013-11-06 东北石油大学 Oil gas adsorption-desorption displacement experiment device
CN103592319A (en) * 2013-10-23 2014-02-19 中国石油天然气股份有限公司 Heating constant temperature system suitable for CT scanning rock core displacement experiment and capable of simulating oil reservoir conditions
CN105080630A (en) * 2014-04-15 2015-11-25 中国石油化工股份有限公司 Core clamper constant temperature system and experiment method thereof
CN106442519A (en) * 2015-08-06 2017-02-22 中国石油化工股份有限公司 Rock core displacement microcosmic visible experiment system
CN107356364A (en) * 2017-06-26 2017-11-17 中国石油大学(北京) The measurement apparatus and method of compact rock core free-boundary problem
CN109253927A (en) * 2018-08-18 2019-01-22 中山大学 A kind of permeable circulating pressure room of the all-pass of rock test
CN109470585A (en) * 2018-11-15 2019-03-15 南通华兴石油仪器有限公司 A kind of fluid high-pressure circulation damage evaluation system
CN111521433A (en) * 2020-06-08 2020-08-11 四川大学 Double-push oil source pressurization experimental device

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CN103076346A (en) * 2012-12-31 2013-05-01 中国石油天然气股份有限公司 Rock core displacement experiment method based on CT scanning
CN103383378A (en) * 2013-07-19 2013-11-06 东北石油大学 Oil gas adsorption-desorption displacement experiment device
CN103383378B (en) * 2013-07-19 2014-11-05 东北石油大学 Oil gas adsorption-desorption displacement experiment device
CN103592319A (en) * 2013-10-23 2014-02-19 中国石油天然气股份有限公司 Heating constant temperature system suitable for CT scanning rock core displacement experiment and capable of simulating oil reservoir conditions
CN103592319B (en) * 2013-10-23 2015-12-02 中国石油天然气股份有限公司 Heating constant temperature system suitable for CT scanning rock core displacement experiment and capable of simulating oil reservoir conditions
CN105080630A (en) * 2014-04-15 2015-11-25 中国石油化工股份有限公司 Core clamper constant temperature system and experiment method thereof
CN106442519A (en) * 2015-08-06 2017-02-22 中国石油化工股份有限公司 Rock core displacement microcosmic visible experiment system
CN106442519B (en) * 2015-08-06 2019-06-18 中国石油化工股份有限公司 A kind of microcosmic visual exam system of core flooding
CN107356364A (en) * 2017-06-26 2017-11-17 中国石油大学(北京) The measurement apparatus and method of compact rock core free-boundary problem
CN107356364B (en) * 2017-06-26 2023-05-16 中国石油大学(北京) Device and method for measuring starting pressure gradient of compact rock core
CN109253927A (en) * 2018-08-18 2019-01-22 中山大学 A kind of permeable circulating pressure room of the all-pass of rock test
CN109470585A (en) * 2018-11-15 2019-03-15 南通华兴石油仪器有限公司 A kind of fluid high-pressure circulation damage evaluation system
CN111521433A (en) * 2020-06-08 2020-08-11 四川大学 Double-push oil source pressurization experimental device

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