CN2751296Y - Formation injury tester - Google Patents
Formation injury tester Download PDFInfo
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- CN2751296Y CN2751296Y CN 200420075252 CN200420075252U CN2751296Y CN 2751296 Y CN2751296 Y CN 2751296Y CN 200420075252 CN200420075252 CN 200420075252 CN 200420075252 U CN200420075252 U CN 200420075252U CN 2751296 Y CN2751296 Y CN 2751296Y
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Abstract
The utility model relates to a formation injury tester which is composed of a heating baking oven, a power displacing system, a gas test osmosis system, an experiment main body part, a liquid storing system, a ring pressure system, a back pressure system, a measuring system and a data collecting and processing system. The utility model can simulate different formation temperatures and pressure conditions to test the permeability and the damage rate of rock core gas, and operation can realize automatization; data is automatically collected and calculated and precision rate is high, which provides reliable data for scientific research workers to understand reservoir structures and to construct and design.
Description
Technical field: the utility model relates to a kind of formation damage tester, belong to formation core permeability and injury rate testing tool in the petroleum engineering, but simulated formation temperature, pressure test rock core gas permeability and injury rate thereof, operation automation, the instrument that automatic data collection calculates.
Background technology: prior art is that the instrument that adopts the unsteady fluid flow method to measure landwaste permeability in irregular shape is a rapid osmotic rate tester, " development of rapid osmotic rate tester " paper publishing is in " drilling fluid and well completion fluid " 2002 the 19th the 5th phases of volume that Inst of Drilling-Well Technology, Huabei Petroleum Administration is published, mainly by pressure chamber, tensimeter, core holding unit, pressure transducer, control system, connect gas cylinder etc. and partly form.Pressure chamber: keep certain pressure; Tensimeter: show pressure data; Pressure transducer: accept pressure signal; Based Intelligent Control; Data acquisition process.Connect gas cylinder: provide source of the gas; Landwaste clamper: fixing landwaste.The prior art defective: (1) prior art flow process is simple, can only survey the gas permeability of landwaste at normal temperatures and pressures, temperature that can not simulated formation, the gas permeability that pressure condition is measured rock core and the injury rate of rock core; (2) data of measuring are the data under the surface condition, are difficult near the reservoir actual conditions; (3) operation can not robotization, and data can not automatic data acquisition and calculation, easily causes systematic error and accidental error, influences the accuracy of data.
Goal of the invention: the purpose of this utility model is to overcome the defective of prior art, a kind of gas permeability that can survey landwaste of design, also can survey the injury rate of landwaste, also but the temperature of simulated formation, pressure condition experimentize, and realize the formation damage tester of service data automatic data acquisition and calculation.
Summary of the invention: the utility model formation damage tester purpose realizes by following scheme:
The utility model is made up of heated oven, power displacement system, gas survey osmosis system, experiment main part, liquid storage system, ring pressing system, back pressure system, metering system, data acquisition processing system, wherein:
1, power displacement system flows duplex plunger pump, pump valve, pressure-release valve by acrotism and forms, and for liquid provides driving power, manually actuated or microcomputer sends instruction and controls, and realizes starting, stopping pressurization.Superpressure is by showing on the pressure display unit that the limit overvoltage protection stops pressurization automatically;
2, liquid storage system: be made up of piston container, filtrator, atmospheric valve, the piston container is used for adorning the medium by displacement, also plays compensator or trimmer pressure simultaneously, and the medium sample introduction is found time the back by displacing medium inspiration container voluntarily by vacuum pump;
3, experiment main part: mainly form, the change-over valve above the core holding unit is carried out switch by requirement of experiment, can realize the gas permeability and the injury rate of positive and negative displacement survey rock core by core holding unit, air valve;
4, heating system is a baking oven, and experiment main part and liquid storage system place in the oven body;
5, ring pressing system: mainly form, be mainly used to press into core holding unit plus-minus ring by ring press pump, pressurizing valve, liquid sucting valve, sensor.The automatic tracking Control pressure of computing machine in the experimentation, also manually actuated controlled pressure.Pump chamber emptying when advancing pump, to the core holding unit pressurization, when moving back pump, the decompression of pump chamber feed liquor core holding unit;
6, back pressure system: form by backpressure pump, liquid sucting valve, buffer container, pressure transducer, manual pump, be mainly used to add back pressure for rock core;
7, gas is surveyed osmosis system: be made up of source of the gas, reduction valve, Filter dryer, gas enters gas meter by behind the rock core, calculates gas permeability to data acquisition processing system then;
8, metering system: be made up of gas meter, balance, sensor, be used for accurately measuring gas flow, fluid flow, data presented directly enters the data acquisition processing system processing on gas meter, the balance;
9, data acquisition processing system: form by data acquisition board, computing machine, printer, data processing software etc., but automatic pressure acquisition, flow and related data and the reason of getting along alone, calculate rock core gas permeability and injury rate.
When carrying out the test of rock core perm-plug method, at first adding ring for the experiment main part by the ring pressing system presses, source of the gas is surveyed osmosis system by gas and is entered the experiment main part then, gas enters metering system after by rock core, the data of the gas meter collection of metering system input to the data acquisition board of connection, carry out data processing by data acquisition processing system at last, in addition, according to requirement of experiment gas examining system and heating system, can be the experiment main part different pressure and temperatures is provided.
When carrying out the test of core damage permeability, at first pressing system adds the ring pressure for the experiment main part, back pressure system adds back pressure to the experiment main part by encircling, provide driving power by power displacement system for the liquid storage system then, liquid enters the experiment main part and passes through rock core, enter metering system then, the data of the balance collection of metering system input to the data acquisition board of connection, carry out data processing by data acquisition processing system at last, in addition, according to requirement of experiment power displacement system and heating system, can be the experiment main part different pressure and temperatures is provided.
The utility model formation damage tester can be simulated Different Strata temperature, pressure condition testing rock core gas permeability and injury rate thereof, and operation realizes robotization, and automatic data collection calculates, the accurate rate height.Be researcher understanding reservoir structure, job design provides reliable data.
Accompanying drawing and brief description
Fig. 1 the utility model FB(flow block), wherein: 7 power displacement systems, 8 liquid storage systems, 9 gas are surveyed osmosis system, 10 experiment main parts, 11 ring pressing systems, 12 data acquisition processing systems, 13 metering systems, 14 back pressure system
Fig. 2 the utility model pipeline, circuit connect process flow diagram, wherein: 15,20,21,22,23,24,25,26,27,34,35,36,37,38,39,40,41,44,45,46,48,50,52,54,56,57,58,60,61,64,65,68,69 needle type regulating valves; 16,18,43,47,49,51,53,59,71 sensors; 17 reduction valve; 19 acrotisms stream duplex plunger pump; 28,29,30 high temperature high voltage resistant piston containers; 31,32,33 filtrators; 42 vacuum pumps; 55 high temperature high voltage resistant core holding units; 62 ring press pumps; 63 check valves; 66 backpressure pumps; 67 gasometers; 70 balances; 72 data acquisition board.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described
By Fig. 2,3 as can be known: the utility model is made up of heated oven 6, power displacement part 7, liquid storage system 8, gas survey osmosis system 9, experiment main part 10, ring pressing system 11, back pressure system 14, metering system 13, data acquisition processing system 12, wherein:
Power displacement system 7 is made up of acrotism stream duplex plunger pump 19, is connected with liquid storage system 8 by valve 20,25,26,27, and is connected with the data acquisition board 72 of data acquisition processing system 12 by sensor 16;
Liquid storage system 8 is made up of piston container 28,29,30 and filtrator 31,32,33 high temperature resistant, high pressure, is connected with experiment main part 10 by valve 35,37,39;
Experiment main part 10 is made up of core holding unit 55 high temperature resistant, high pressure, be connected with metering system 13 by valve 46,58, core holding unit 55 is connected with the data acquisition board 72 of data acquisition processing system 12 through valve 48,50,52, sensor 47,49,51;
Liquid storage system 8 and experiment main part 10 place in the heated oven 6;
Ring pressing system 11 is made up of ring press pump 62, is connected with core holding unit 55 by valve 60, and the data acquisition board 72 by sensor 59 and data acquisition processing system 12 is connected simultaneously;
Back pressure system 14 is made up of backpressure pump 66, is connected with experiment main part 10 by valve 64, check valve 63, is connected with the data acquisition board 72 of data acquisition processing system 12 by pressure transducer 71 simultaneously;
Gas is surveyed osmosis system 9 and is connected with experiment main part 10 by valve 23,45,56 by source of the gas valve 15, reduction valve 17, is connected with the data acquisition board 72 of data acquisition processing system 12 by sensor 18 simultaneously;
Metering system 13 is made up of gas meter 67, balance 70, is connected with experiment main part 10 by valve 63,69, and gas meter 67 and balance 70 are connected with the data acquisition board 72 of data acquisition processing system 12.
Surveying the rock core perm-plug method realizes according to the following steps:
1, rock core is packed into tests in the core holding unit 55 of main part 10, add ring press fit rock core for core holding unit 55 by valve 60 by the ring press pump 62 of ring pressing system 11.
2, open source of the gas valve 15, the reduction valve 17 that gas is surveyed osmosis system, gas enters the rock core in the core holding unit 55 of testing main part 10 by valve 23,45.Gas enters the gas meter 67 of metering system 13 after by rock core again by valve 58,68, the signal of flowmeter 67 is picked up by the data acquisition board 72 of data acquisition system (DAS) 12.The pressure of rock core upper and lower side enters sensor 43,53 by valve 44,54 respectively, and pressure signal is picked up by the data acquisition board 72 of data acquisition system (DAS) 12.Data acquisition processing system 12 carries out following processing with the data input computing machine that picks up:
The gas permeability of the calculation of parameter rock cores such as physical dimension of the pressure when utilizing gas to pass through rock core, flow and rock core according to Darcy's law, computing formula is as follows:
Ka-rock core gas permeability um
2, the long-pending cm of A-core section
2, Pa-atmospheric pressure MPa, Qa-gas flow cm
3/ s
Ua-gas viscosity mPa.s, L-rock core length cm, P
1End pressure MPa, P on the-rock core
2End pressure MPa under the-rock core
Experiment finishes and opens valve 57 and carry out release.Above-mentioned experimental procedure can be reversed, and difference reverse and forward is that gas enters rock core by valve 23 backs by valve 56, enters gas meter 67 by valve 46,68 then, and all the other steps are identical.
In addition, according to requirement of experiment gas examining system 9 and heating system 6, can be experiment main part 10 different pressure and temperatures is provided
Surveying the core damage permeability realizes according to the following steps:
1, rock core is packed into tests in the core holding unit 55 of main part 10, add ring press fit rock core for core holding unit 55 by valve 60 by the ring press pump 62 of ring pressing system 11.
2, two stick harness pumps 19 by power displacement system 7 are the piston container 28 of liquid storage system 8,29,30 provide driving power displacement liquid, the pressure at rock core two ends is by the two stick harness pumps 19 of computer tracking control power displacement system 7 and the backpressure pump 66 of back pressure system 14, liquid is by the filtrator 31 of liquid storage system 8,32,33 and valve 35,37,39,45 enter in the rock core of the core holding unit 55 of testing main part 10, then by valve 58,69 enter in the balance 70 of metering system 13 and carry out weighing, the weighing data signal is picked up by the data acquisition board 72 of data acquisition processing system 12, the pressure of rock core upper and lower side is respectively by valve 44,54 enter sensor 43,53, pressure signal is picked up by data acquisition board 72, and data acquisition processing system 12 carries out following processing with the data input computing machine that picks up:
The Test Liquid Permeability of Core of the calculation of parameter rock cores such as physical dimension of the pressure when utilizing liquid to pass through rock core according to Darcy's law, flow and rock core utilizes core damage front and back kerosene permeability to calculate the core damage rate again, and computing formula is as follows:
K-core damage rate, K
b-Test Liquid Permeability of Core um
2, the long-pending cm of A-core section
2, Pa-atmospheric pressure MPa
Qb-fluid flow cm
3/ s, Ub-liquid viscosity mPa.s, L-rock core length cm, P
1End pressure MPa on the-rock core
P
2End pressure MPa, K under the-rock core
1The permeability um of kerosene before the-core damage
2, K
2The permeability um of injury kerosene behind the-rock core
2
In addition, according to requirement of experiment power displacement system and heating system, can be the experiment main part different pressure and temperatures is provided.Experiment finishes and opens valve 57 and carry out release, and the reverse displacement flow direction is analogous to reverse survey gas permeability and flows to.
Claims (1)
1. formation damage tester, form by heated oven (6), power displacement part (7), liquid storage system (8), gas survey osmosis system (9), experiment main part (10), ring pressing system (11), back pressure system (14), metering system (13), data acquisition processing system (12), it is characterized in that:
(1) power displacement system (7) is made up of acrotism stream duplex plunger pump (19), is connected with liquid storage system (8) by valve (20), (25), (26), (27), and is connected with the data acquisition board (72) of data acquisition processing system (12) by sensor (16);
(2) liquid storage system (8) is made up of high temperature resistant, piston container (28), (29), (30) and the filtrator (31) of high pressure, (32), (33), is connected by valve (35), (37), (39) and experiment main part (10);
(3) experiment main part (10) is made up of core holding unit (55) high temperature resistant, high pressure, be connected by valve (46), (58) and metering system (13), core holding unit (55) is connected with the data acquisition board (72) of data acquisition processing system (12) through valve (48), (50), (52), sensor (47), (49), (51);
(4) liquid storage system (8) and experiment main part (10) place in the heated oven (6);
(5) ring pressing system (11) is made up of ring press pump (62), is connected with core holding unit (55) by valve (60), and the data acquisition board (72) by sensor (59) and data acquisition processing system (12) is connected simultaneously;
(6) back pressure system (14) is made up of backpressure pump (66), is connected with experiment main part (10) by valve (64), check valve (63), is connected with the data acquisition board (72) of data acquisition processing system (12) by pressure transducer (71) simultaneously;
(7) gas survey osmosis system (9) is connected by valve (23), (45), (56) and experiment main part 10 by source of the gas valve (15), reduction valve (17), is connected with the data acquisition board (72) of data acquisition processing system (12) by sensor (18) simultaneously;
(8) metering system (13) is made up of gas meter (67), balance (70), be connected with experiment main part (10) by valve (63), (69), gas meter (67) and balance (70) are connected with the data acquisition board (72) of data acquisition processing system (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075252 CN2751296Y (en) | 2004-11-26 | 2004-11-26 | Formation injury tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075252 CN2751296Y (en) | 2004-11-26 | 2004-11-26 | Formation injury tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2751296Y true CN2751296Y (en) | 2006-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420075252 Expired - Fee Related CN2751296Y (en) | 2004-11-26 | 2004-11-26 | Formation injury tester |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915854A (en) * | 2010-08-06 | 2010-12-15 | 中国石油大学(北京) | Device and method for detecting sanding critical flow velocity of gas well |
| CN102237005A (en) * | 2011-05-10 | 2011-11-09 | 中国石油化工股份有限公司 | Automatic back pressure control device |
| CN102455277A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Device and method for measuring gasometry permeability of rock under high pressure |
| CN101487831B (en) * | 2009-02-06 | 2012-06-20 | 西南石油大学 | Method for fast confirming compact rock core damage |
| CN102562011A (en) * | 2012-01-17 | 2012-07-11 | 中国石油天然气股份有限公司 | Experiment system for high-pressure outcrop plane model |
| CN103256045A (en) * | 2013-02-21 | 2013-08-21 | 西南石油大学 | Coal bed methane reservoir pulverized coal generation, migration, sedimentation, blocking dynamic evaluation instrument |
| CN103675452A (en) * | 2012-09-07 | 2014-03-26 | 中国石油化工股份有限公司 | Rock resistivity testing system and method capable of simulating reservoir conditions |
-
2004
- 2004-11-26 CN CN 200420075252 patent/CN2751296Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487831B (en) * | 2009-02-06 | 2012-06-20 | 西南石油大学 | Method for fast confirming compact rock core damage |
| CN101915854A (en) * | 2010-08-06 | 2010-12-15 | 中国石油大学(北京) | Device and method for detecting sanding critical flow velocity of gas well |
| CN102455277A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Device and method for measuring gasometry permeability of rock under high pressure |
| CN102455277B (en) * | 2010-10-22 | 2014-04-02 | 中国石油化工股份有限公司 | Device and method for measuring gasometry permeability of rock under high pressure |
| CN102237005A (en) * | 2011-05-10 | 2011-11-09 | 中国石油化工股份有限公司 | Automatic back pressure control device |
| CN102562011A (en) * | 2012-01-17 | 2012-07-11 | 中国石油天然气股份有限公司 | Experiment system for high-pressure outcrop plane model |
| CN102562011B (en) * | 2012-01-17 | 2014-09-24 | 中国石油天然气股份有限公司 | Experiment system for high-pressure outcrop plane model |
| CN103675452A (en) * | 2012-09-07 | 2014-03-26 | 中国石油化工股份有限公司 | Rock resistivity testing system and method capable of simulating reservoir conditions |
| CN103256045A (en) * | 2013-02-21 | 2013-08-21 | 西南石油大学 | Coal bed methane reservoir pulverized coal generation, migration, sedimentation, blocking dynamic evaluation instrument |
| CN103256045B (en) * | 2013-02-21 | 2016-03-16 | 西南石油大学 | The generation of coalbed methane reservoir coal dust, migration, sedimentation, blocking dynamic evaluation instrument |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |