CN101520962B - Hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator and use method thereof - Google Patents

Abstract

The invention discloses a hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator and a use method thereof, pertaining to an experimental apparatus for simulating the proThe invention discloses a hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator and a use method thereof, pertaining to an experimental apparatus for simulating the process of heat-pressing hydrocarbon-generation for hydrocarbon source rocks in the field of geological research on petroleum and natural gas. The simulator is composed of such five parts as a high tempecess of heat-pressing hydrocarbon-generation for hydrocarbon source rocks in the field of geological research on petroleum and natural gas. The simulator is composed of such five parts as a high temperature high pressure reaction unit, a two-way hydraulic automation control unit 301, an automatic hydrocarbon expulsion product collecting and fluid supplementing unit, a data acquisition and automatirature high pressure reaction unit, a two-way hydraulic automation control unit 301, an automatic hydrocarbon expulsion product collecting and fluid supplementing unit, a data acquisition and automatic control unit, peripheral auxiliary equipment and apparatus casing. The invention can carry out heating and pressurizing closed and open or controllable hydrocarbon generation and expulsion simulatedc control unit, peripheral auxiliary equipment and apparatus casing. The invention can carry out heating and pressurizing closed and open or controllable hydrocarbon generation and expulsion simulatedexperiments with the reservation of original pores of a hydrocarbon source rock sample 518, within the limited pore spaces and in simultaneous consideration of lithostatic pressure, formation fluid p experiments with the reservation of original pores of a hydrocarbon source rock sample 518, within the limited pore spaces and in simultaneous consideration of lithostatic pressure, formation fluid pressure and confining pressure similar to the geological conditions, thereby improving a hydrocarbon source rock hydrocarbon generation and expulsion simulated experimental apparatus so as to provide ressure and confining pressure similar to the geological conditions, thereby improving a hydrocarbon source rock hydrocarbon generation and expulsion simulated experimental apparatus so as to provide an effective means for researches on the development of a hydrocarbon generation mechanism, oil-gas migration, oil and gas production quantity in basins as well as oil and gas resource prediction, andan effective means for researches on the development of a hydrocarbon generation mechanism, oil-gas migration, oil and gas production quantity in basins as well as oil and gas resource prediction, and thus having wide application prospects. thus having wide application prospects.

Description

Hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator and using method thereof

Technical field

The present invention relates to a kind of experimental provision of oil geology research field, relate to a kind of experimental instrument and equipment and using method thereof of giving birth to the hydrocarbon process by means of source-rock evolution under electric mechanical, the automatic control technology simulation high-temperature and high-pressure conditions specifically.

Background technology

Since the eighties in 20th century, the hydrocarbon source rock hot pressing analogue experiment method that thermal degradation becomes hydrocarbon time-temperature compensation principle theoretical and organic thermal evolution to set up according to B.P base of a fruit rope kerogen is to study one of effective method such as oil gas formation mechanism and organic matter evolution process always.From present document, Analogic experimental apparatus for geochemical evolution of organic matters and internal heating type hot pressing analogue experiment installation, the high pressure temperature control compression experiment device of Daqing oil field development and compacting diagenesis's effect of Chinese Petroleum Univ.'s development that representative controlled hydrocarbon source rock hot pressing hydrocarbon generation simulating device has Daqing Petroleum Institute to develop are driven analogue experiment installation etc. with oil gas generation and row.

Daqing Petroleum Institute is obtaining patent of invention " Analogic experimental apparatus for geochemical evolution of organic matters " (No. 11816 invention, the patent No. 87100918,1989) (Dang Changtao, Liu Xiaoyan etc. have been carried out improving on the basis, 1994, GEOLAB, 10 (3) 164-166), developed a kind of interior heating compacting type source-rock evolution and given birth to, arranged the hydrocarbon analogue experiment installation, mainly formed by four major parts such as reactor, temperature control unit, pressure control unit and product metering collector units.This device adopts the intermediate frequency electromagnetic induction heating, and it is fast to have firing rate, the advantage that sample is heated evenly, and its highest controlled heating-up temperature can reach 600 ℃.But owing to must add ferromagnetic material in sample, this will ask reactor diameter bigger, reactor adopts common stainless steel to make in addition, in order to prevent under High Temperature High Pressure deformation to take place, so whole reactor seems very heavy, brings bigger difficulty also for simultaneously pressurization and sealing.The maximum lithostatic pressure power of utilizing this device to simulate is 15MPa (only being equivalent to 1500 meters of underground buried depths) for the maximum formation fluid pressure of 130MPa (only being equivalent to underground buried depth 5000m), is difficult to Jing Yan and the formation fluid pressure of simulation hydrocarbon source rock under actual geologic condition.Because the employing tensimeter shows pressure, can't realize that control automatically and the real-time of fluid replenish.

Compacting diagenesis's effect of developments such as Chinese Petroleum Univ. Pang is imposing and strange is driven analogue experiment installation (patent No. CN01264260.6) with oil gas generation and row and is constituted (see figure 1) by hydraulic means, heating arrangement, generation still and control device, wherein generates the still below and has two mouths; Hydraulic means comprises hydraulic cylinder, pressured column, pressure transducer; Heating arrangement comprises that intermediate frequency power supply, big electric capacity and uniform winding are at the copper cash that generates on the still outside; Control device comprises switch board and the computing machine 614 that links to each other with switch board.The analogue means of this device and Daqing oil field has very big similarity, have higher automaticity, can produce High Temperature High Pressure rapidly (600 ℃ of maximum temperatures, the highest lithostatic pressure power 130MPa, superlatively layer fluid pressure 30MPa), firing rate is fast and temperature evenly, not only can simulate open state but also can simulate the primary rock producing hydrocarbon row hydrocarbon process of closed state.

Daqing oil field Du Hong literary compositions etc. begin to develop voluntarily the device that is used for primary rock producing hydrocarbon, the simulated experiment of row's hydrocarbon from the eighties, have successfully developed High Temperature High Pressure thermal simulation experiment device (see figure 2) of new generation in calendar year 2001.This device is divided into 5 unit, 25 parts, wherein autoclave unit comprise autoclave (wherein non-bolt, fast detachable high-temperature high-pressure reaction kettle calendar year 2001 obtains national inventing patent, patent No. CN01209909.0, high-temp pressure sensor, high-temp pressure sensor display instrument, heat-insulation layer, thermal insulative board and explosive valve; Presser unit comprises 100t hydropress, hydropress switch board, hydropress operation cabinet.Heating unit comprises thyristor intermediate frequency electric source, inductor, thermopair and circulating water device; Product is accepted the unit and is comprised and connect liquid, gas weigh electronic balance, cryotrap, degassing instrument and moving bolster and computing machine 614 overhead control unit.This device has the following advantages: realized the automatic control of pressure; Also adopt heating in medium frequency, heating fast evenly; Gas, liquid product automatic gauge have been eliminated personal error; Special non-bolt, quick detachable high-temperature high-pressure reaction kettle have further improved upper limit analog temperature (the highest 600 ℃) and formation fluid pressure (maximum 40MPa).

Be not difficult to find out that therefrom the major defect that the living hydrocarbon analogue experiment installation of existing hydrocarbon source rock hot pressing exists is:

1. only consider mainly that temperature, time and lithostatic pressure power are to giving birth to the influence of hydrocarbon process, what emphasize is the thermal degradation reaction process, ignored multiple geological factors affecting, as pore space, formation fluid pressure, arrange hydrocarbon, confined pressure, property of pore fluid and rock forming mineral composition etc. to the influence, particularly formation fluid pressure of hydrocarbon primary rock producing hydrocarbon process influence for the first time to organic matter evolution;

2. because most of pyrolysis simulated experiments all are to carry out under moisture, low pressure, relatively large space and hot conditions, the real process that on behalf of underground hydrocarbon sour rock, can its experimental result develop remains further research,

3. for the influence to the hydrocarbon primary rock producing hydrocarbon potentiality such as first row's hydrocarbon mode, living hydrocarbon space (pore size), then few people carry out the research of this respect.

Summary of the invention

Deficiency at above-mentioned prior art existence, the present invention uses hyundai electronics machinery and automatic control technology, give birth on the basis of the actual geologic condition that hydrocarbon develops (temperature, on cover lithostatic pressure power, formation fluid pressure, confined pressure, pore space, arrange hydrocarbon for the first time) taking into full account hydrocarbon source rock hot pressing, in the laboratory, reproduce hydrocarbon source rock hot pressing give birth to the hydrocarbon process provide a kind of can be than the simulated experiment instrument and the using method thereof of oil gas generative process under the real simulated geologic condition.

One of the present invention's hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator is achieved in that

A kind of hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator of the present invention, it is characterized in that it by high-temperature high-voltage reaction unit 303, bidirectional hydraulic automatic control unit 301, arrange hydrocarbon products automatically and collect and the fluid supplementary units

307, data acquisition and automatic control unit 314, peripheral auxiliary equipment and tool housing five parts constitute, wherein: described high-temperature high-voltage reaction unit 303 is connected with the bar B that exerts pressure of exert pressure bar A and small oil tank B of large tank A in the bidirectional hydraulic automatic control unit 301 respectively by A cylinder intermediate sleeve 308 and B cylinder intermediate sleeve 501, and alloy cylinder is sealed, rock sample 518 is applied lithostatic pressure power.

One, in the present invention, described high-temperature high-voltage reaction unit 303 comprises:

Alloy cylinder 503, B cylinder intermediate sleeve 501, following junk ring bolt 502, press down ring set 504, V-type red copper packing washer A505, V-type red copper packing washer B520, O type graphite gasket 506, alloy sample chamber 507, give birth to hydrocarbon space regulator 508, self-tightening type end cap 509, red copper cone-shaped sealing ring 510, upper press ring cover 511, last hold-down bolt 512, last intermediate pressure cover A513, pressure cap 514, two connect pipe 515, A cylinder intermediate sleeve 308, rock sample 518, metal filtration sheet A517, metal filtration sheet B519, lithostatic pressure power post 521 and following intermediate pressure cover B309, box type furnace 310 and temperature transmitter 302.

Described alloy cylinder 503 is a hollow cylinder, its upper port is installed after self-tightening type end cap 509, red copper cone-shaped sealing ring 510, upper press ring cover 511 and the last hold-down bolt 512 successively, be connected with the bar A609 that exerts pressure by A cylinder intermediate sleeve 308, seal after exerting pressure by large tank A; 0.5 millimeter passage of diameter is arranged in the middle of the wherein said self-tightening type end cap, one end is connected with alloy sample chamber 507, the other end connects pipe by two and is connected with pipe joint A420, the four way valve 402 of fluid supplementary units with the collection of automatic row's hydrocarbon products, forms the passing away of product;

The B cylinder intermediate sleeve 501 that described alloy cylinder 503 lower port are installed is connected with the bar B610 that exerts pressure of small oil tank B, and applies lithostatic pressure power by 521 pairs of rock samples 518 of lithostatic pressure power post;

Install to give birth to hydrocarbon space regulator 508 in the described alloy cylinder 503 more successively, the V-arrangement red copper packing washer A that metal filtration sheet A, alloy sample chamber 507, rock sample 518, metal filtration sheet B and lithostatic pressure power post, hollow mouth make progress, O shape graphite gasket, hollow mouthful of downward V-arrangement red copper packing washer B, press down ring set 504, junk ring bolt and following intermediate pressure overlap B309 down; Wherein descend intermediate pressure cover B309 to be placed on the base 313, utilize the bar A that exerts pressure of large tank A that A cylinder intermediate sleeve 308 is exerted pressure after, the reacting force by base 313 is exerted pressure seal in alloy cylindrical shell lower port to intermediate pressure cover 309 down;

The alloy cylinder 503 of the above-mentioned parts that have been mounted uprightly is placed in the box type furnace 310, the A cylinder intermediate sleeve of upper port is passed the box type furnace open top and is connected with the bar A that exerts pressure, and the B cylinder intermediate sleeve that intermediate pressure cover B is overlapping under the following intermediate pressure cover B309 of lower end and the quilt is passed the box type furnace bottom opening and is connected with the bar B that exerts pressure with base 313 respectively.

To sum up, the high-temperature high-voltage reaction unit is the core of whole instrument, (1) wherein said alloy cylinder is a hollow cylinder, its upper port is by the self-tightening type end cap, the red copper cone-shaped sealing ring, the upper press ring cover, utilizing large tank A to exert pressure after last intermediate pressure cover and the combination of upper end hold-down bolt seals the alloy cylinder upper port, afterwards, the living hydrocarbon space regulator 508 of in alloy cylinder, packing into successively, metal filtration sheet A, alloy sample chamber 507, rock sample 518, metal filtration sheet B and lithostatic pressure power post, V-arrangement copper washer (hollow mouthful upwards), O shape graphite gasket, V-arrangement copper washer (hollow mouthful downwards) presses down ring set, following junk ring bolt and following intermediate pressure cover, described intermediate pressure cover down is placed on the portal frame base, the reacting force that utilizes the bar A that exerts pressure of large tank A that A cylinder intermediate sleeve is pressed on to form on the base is exerted pressure to intermediate pressure cover down, the alloy cylinder lower port is sealed, because the alloy cylinder upper port adopts axial self-tightening type static seal and lower port to adopt half self-tightening type motive seal, like this, can guarantee in rock sample 518 holes, to form the maximum formation fluid pressure that can reach 150MPa.(2) described B cylinder intermediate sleeve is placed on the bar B that exerts pressure of small oil tank B, and can apply the lithostatic pressure power that maximum can reach 200MPa by B cylinder intermediate sleeve and lithostatic pressure power post to rock sample to the extruding of rock sample 518.(3) whole alloy cylinder that combines and alloy sample chamber are placed in the box type furnace cavity body, are supported by the following intermediate pressure cover and the B cylinder intermediate sleeve of portal frame base plate, heat by box type furnace, so rock sample are heated evenly, and maximum temperature can reach 600 ℃.(4) described rock sample closely is placed in the alloy sample chamber 507, therefore can prevent that rock sample from the breakage that is not inconsistent with the hydrocarbon source rock Diagn taking place in the process that applies lithostatic pressure power and confined pressure, the archioporus gap structure and the space that have kept sample as far as possible, guarantee that it is almost not have redundant space that the hydrocarbon process is given birth in the hot pressing simulation, and only in the formation pore of primary sample, carry out, the maximum sample-loading amount that allows in sample chamber is 156 grams

Two, in the present invention, described automatic row's hydrocarbon products collection connects to manage with two of high-temperature high-voltage reaction unit upper port by four way valve, pipe joint A with fluid supplementary units 307 and is connected; Wherein,

Described automatic row's hydrocarbon products is collected with fluid supplementary units 307 and is comprised by pressure unit 401, four way valve 402, two-position three way magnetic valve A403, high-pressure air operated valve A404, pressure display table 409, electric press switch 410, solenoid valve 413, gas-liquid separator 414, cold-trap 415, refrigerator 416, automatic row's hydrocarbon that air storage chamber 418 is formed and product gathering-device and by rapid-acting coupling 411, high pressure piston container 412, high-pressure air operated valve B405, two-position three way magnetic valve B406, electronic high-pressure pump 419, the fluid supplementary device that stop valve 417 is formed and be two-position three way magnetic valve A, B provides the gas pressure reducer 407 of driving force, gas high-pressure cylinder 408.

Described four way valve primary outlet connects pipe by pipe joint A with top, high-temperature high-voltage reaction unit two and is connected, second outlet setting pressure transmitter 401 is connected with described computing machine 614 by signal wire, and the 3rd outlet is connected with high-pressure air operated valve A by pipeline;

Described high-pressure air operated valve A is connected with gas-liquid separator by pipeline, and gas-liquid separator is placed in the cold-trap, the condensate water refrigeration that cold-trap is provided by refrigerator;

Described gas-liquid separator is connected with pressure display table, electric press switch, solenoid valve, air storage chamber successively by pipeline;

Described electric press switch links to each other with computing machine 614 by signal wire, in experimentation the liquid state that generates is separated and collection automatically with gaseous product;

The 4th outlet of described four way valve is connected with high-pressure air operated valve B by the stainless steel pipeline, and described high-pressure air operated valve B is connected with the high pressure piston container by pipeline again, and the high pressure piston container provides pressure by the electronic high-pressure pump that is attached thereto;

Described two-position three way magnetic valve A, B are connected with gas pressure reducer, pressure gas cylinder by pipeline, and its control section links to each other with computing machine 614 by signal wire.

To sum up, arrange the hydrocarbon products collection automatically and embodied three characteristics with fluid supplementary units 307, promptly automatic or manual is discharged fluid, automatic or manual fluid replacement, collects automatically and is separated the gas-liquid product.First interface of described four way valve connects pipe by pipeline with two of upper end, high-temperature high-voltage reaction unit and is connected, and forms the passage of fluid turnover high-temperature high-voltage reaction unit; Its second interface setting pressure transmitter 401 is connected with described computing machine 614 by signal wire, in order to detect alloy cylinder and the indoor formation fluid pressure of alloy sample; Its 3rd interface is connected with two-position three way magnetic valve A with high-pressure air operated valve A by pipeline, when if pressure unit 401 detected formation fluid pressures surpass row's hydrocarbon force value of setting, then start two-position three way magnetic valve A, open high-pressure air operated valve A and discharge fluid pressure, close high-pressure air operated valve A again until the force value that sets; Its 4th interface is connected with two-position three way magnetic valve B with high-pressure air operated valve B by pipeline, when the formation fluid pressure in the sample chamber is lower than row's hydrocarbon force value of setting, then start two-position three way magnetic valve B, open tripping pneumatic valve B, by the formation fluid pressure in electronic high-pressure pump and the additional alloy sample chamber of high pressure piston container, until the force value that sets, close high-pressure air operated valve B again.Process like this is with regard to the gas-liquid attitude product of separated and collected rock sample 518 generations automatically and to real-time fluid replacement in alloy cylinder and the sample chamber, thereby form a reaction environment opening or semi-open, since the Push And Release of high-pressure air operated valve A, B both can by the manual control of the switch on the manual control panel also can by computing machine 614 automatically control sample chamber inner fluids discharges with replenish, thereby realized that hydrocarbon source rock arranges living hydrocarbon process under hydrocarbon and the stabilized fluid pressure in the curtain formula; Described high-pressure air operated valve A is connected with gas-liquid separator by pipeline, gas-liquid separator is placed in the cold-trap, the condensate water refrigeration that cold-trap is provided by refrigerator, gas-liquid separator is again by pipeline and pressure display table, the electric press switch, solenoid valve, air storage chamber connects successively, the electric press switch links to each other with computing machine 614 by signal wire, the fluid product of discharging from the sample chamber at first is retained in the freezing gas-liquid separator, when value of setting greater than pressure indicator when its internal pressure or experiment finish, computing machine 614 sends instruction and opens pressure switch by solenoid valve, gaseous product enters air storage chamber and collects, liquid product is retained in the gas-liquid separator, thereby has realized the automatic collection and the gas-liquid separation of the living hydrocarbon products of simulation.

Three, in the present invention,

Described data acquisition and automatic control unit 314 comprise data acquisition and automatic control card, computing machine 614 and printer,, be connected respectively with the temperature transmitter 302 of high-temperature high-voltage reaction unit, collect pressure unit 401, two-position three way magnetic valve A, B and electric press switch 410 with the fluid supplementary units by computing machine 614 with intelligent pressure control table A, B and the Oil pump electrical machinery of bidirectional hydraulic automatic control unit 301 with row's hydrocarbon products automatically.By the separated and collected of row's hydrocarbon of the lithostatic pressure power of the formation fluid pressure in the heating of 614 pairs of box type furnaces of computing machine, constant temperature, cooling, alloy cylinder and the alloy sample chamber 507, rock sample 518, High Temperature High Pressure unit, fluid product, fluid replenish and the record of experimental data is controlled automatically and is gathered.

Four, in the present invention,

Described bidirectional hydraulic automatic control unit 301 forms 613 by intelligent pressure control table A601, intelligent pressure control table B602, pressure unit A603, pressure unit B604, large tank A305, small oil tank B306, reversing solenoid valve A607, reversing solenoid valve B608, the bar A609 that exerts pressure, the bar B610 that exerts pressure, fuel tank 611, plunger-type fuel pump 612 and Oil pump electrical machinery; Wherein

The bar A that exerts pressure of described large tank A is connected with A cylinder intermediate sleeve 308, guarantees alloy cylinder and the sealing of sample chamber under high-temperature and high-pressure conditions;

The bar B that exerts pressure of small oil tank B is connected with B cylinder intermediate sleeve, by lithostatic pressure power post rock sample 518 is produced lithostatic pressure power and confined pressure.

Described intelligent pressure control table A, intelligent pressure control table B and Oil pump electrical machinery are connected with manual control panel 315 with computing machine 614 by signal wire, both can control automatically, also can carry out equality operation by the switch on the manual control panel by the computing machine 614 of data acquisition and automatic control unit; If the signal that this pressure unit A, B provide is lower than the scope of set pressure, then computing machine 614 sends instruction, start Oil pump electrical machinery, the actuation plunger oil pump is extracted machine oil out from fuel tank, open reversing solenoid valve A, B simultaneously, large tank A, small oil tank B are carried out ftercompction, drive exert pressure bar A, B again and move up and down and respectively packing washer and rock sample 518 are exerted pressure, up to the force value of setting.Common same fuel tank, Oil pump electrical machinery and the plunger-type fuel pump of using of wherein said large tank A and small oil tank B constitutes two cover hydraulic means, the automatic control of large tank A and small oil tank B is to intelligent pressure control table A, B by pressure unit A, B output pressure signal, carry out in real time by computing machine 614, if the pressure unit output signal is lower than the scope of experiment set pressure, then computing machine 614 sends instruction, start Oil pump electrical machinery and plunger-type fuel pump, open reversing solenoid valve A, B, large tank A and/or small oil tank B are carried out ftercompction, up to set pressure.

Five, in the present invention, described peripheral auxiliary equipment and tool housing unit comprise vacuum pump 316, portal frame 311, base 312, top board 313, manual chain of command version 315, formations such as carbon steel plastic jetting shell, by the fixing box type furnace of portal frame, by the fixing large tank A of bidirectional hydraulic automatic control unit 301 of top board 312, its bar A that exerts pressure is connected with A cylinder intermediate sleeve 308, by the fixing small oil tank B of bidirectional hydraulic automatic control unit 301 of base 313, support intermediate pressure cover B309 down, the bar B that exerts pressure then is connected with the B cylinder intermediate sleeve 501 of high-temperature high-voltage reaction unit; Described manual chain of command version also is connected with intelligent pressure control table A, B and the Oil pump electrical machinery of temperature transmitter 302, pressure unit 401, two-position three way magnetic valve A, B and electric press switch 410 and 301, by the control of being correlated with of the switch of manual chain of command version.

The using method of the present invention's two hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator is:

An amount of rock sample 518 is packed in the described sample chamber, respectively put a metal filter disc up and down, again the sample chamber is put into the alloy cylinder of the good upper port of capping, add lithostatic pressure power post successively, the V-arrangement red copper packing washer A that hollow mouth makes progress, O shape graphite gasket, hollow mouthful of downward V-arrangement red copper packing washer B, press down ring set, following junk ring bolt, following intermediate pressure cover B and B cylinder intermediate sleeve, the alloy cylinder of having assembled above-mentioned parts is placed on the base and box type furnace in, regulate its position, allow the A cylinder intermediate sleeve of its upper end pass the box type furnace open top and align with the bar A that exerts pressure, the B cylinder intermediate sleeve of lower end and following intermediate pressure cover B pass the box type furnace bottom opening and align with the bar B that exerts pressure respectively, be supported on the base, utilize the hand switch on the manual control panel to start Oil pump electrical machinery, drive the bar A that exerts pressure of large tank A510 and small oil tank B514, B applies the pressure of setting to the seal member in the alloy cylinder and rock sample 518.Four way valve 307 and two is connected pipe 415 to be connected, connect rapid-acting coupling, manual-lock high-pressure air operated valve A, opening two-position three way magnetic valve B and high-pressure air operated valve B utilizes electronic high-pressure pump that the pressure of high pressure piston container is increased to 80-100MPa to give in the sample chamber and charge into high-pressure fluid (nitrogen or pure water), shut high-pressure air operated valve B after the balance, log-on data is gathered the situation of change of monitoring hydrodynamic pressure in the sample chamber with automatic control unit, if hydrodynamic pressure does not descend in 12 hours, illustrate that whole instrument do not leak.After instrument does not leak, the fluid that the leak test of draining is used, connect vacuum pump 316 and pipe joint B421, with alloy cylinder, alloy sample chamber 507, four way valve, gas-liquid separator and air storage chamber and the associated line between them all are evacuated, close the endpiece of air storage chamber 418, on computing machine 614 operating systems, relevant parameters (temperature is set by the simulated experiment designing requirement, time, lithostatic pressure power, formation fluid pressure etc.), start the instrument automatic control system, the overall process of experiment will apply lithostatic pressure power automatically by imposing a condition, formation fluid pressure, intensification constant temperature, discharge product, fluid replacement and separated and collected product.

The invention has the beneficial effects as follows:

1. can under the situation that keeps source rock sample archioporus gap structure and space, carry out hot pressing and give birth to, arrange the hydrocarbon simulated experiment;

2. can apply lithostatic pressure power, formation fluid pressure and confined pressure to rock sample simultaneously, wherein maximum lithostatic pressure power and confined pressure are 200MPa, and maximum formation fluid pressure is 150MPa, can simulate the pressure condition of hydrocarbon primary rock producing hydrocarbon under the geological condition more truly;

3. can simulate the living hydrocarbon process of hydrocarbon source rock under curtain formula row's hydrocarbon or good ground hydrodynamic pressure (open or sealing);

4. owing to adopted hyundai electronics machinery and automatic control technology, realized that temperature, pressure, product are collected and the automatic control and the monitoring of data recording, improved the automaticity of instrument greatly.

Since this instrument can keep the original hole of source rock sample, in the limited pore space, consider airtight, the open or controlled life of pressurization of heating, the simulated experiment of row's hydrocarbon of carrying out hydrocarbon source rock under the condition of lithostatic pressure power, formation fluid pressure and the confined pressure close simultaneously with geologic condition, further perfect China's primary rock producing hydrocarbon, row's hydrocarbon analogue experiment installation, for the research of carrying out into hydrocarbon mechanism, oil-gas migration, basin oil gas growing amount and assessment of petroleum resources aspect provides a kind of effective means, thereby have broad application prospects.

Accompanying drawing and description of drawings

The present invention is further illustrated below in conjunction with drawings and Examples.

The effect of Fig. 1 compacting diagenesis generates with oil gas and row drives analogue experiment installation

101 hydraulic cylinders; 102 supports; 103 hydraulic means; 104 back-pressure regulators; 105 injection pumps; 106 intermediate frequency power supply devices; 107 bases; 108 switch boards; 109 computing machines

Fig. 2 High Temperature High Pressure thermal simulation experiment device

201 hydropress operation cabinet; 202 thermal insulation boards; 23 inductor supports; 204 inductors; 205 heat-insulation layers; 206 autoclaves; 207 thermopairs; 208 displacement meters; 209 computing machines, 614 control system; Its display instrument of 210 pressure sensings; 211 electronic balance A; 212 circulating water devices; 213 thyristor intermediate frequency electric sources; 214 degassing instruments; 215 cold-trap A; 216 electronic balance B; 217 cold-trap B; 218 worktable; 219 hydropress switch boards; 2210 hydropress.

Fig. 3 hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator structural representation

301 bidirectional hydraulic automatic control units 301; 302 temperature transmitters; 303 high-temperature high-voltage reaction unit; 304 cold water jackets; 305 large tank A; 306 small oil tank B; 307 collections of row's hydrocarbon products and fluid supplementary units automatically; 308A cylinder intermediate sleeve; 309 times intermediate pressure cover B; 310 box type furnaces; 311 portal frames; 312 top boards; 313 bases; 314 data acquisitions and automatic control unit; 315 manual control panels; 316 vacuum pumps.

Fig. 4 arranges hydrocarbon products automatically and collects and fluid supplementary units structural drawing

401 pressure units; 402 four way valves; 403 two-position three way magnetic valve A; 404 high-pressure air operated valve A; 405 high-pressure air operated valve B; 406 two-position three way magnetic valve B; 407 gas pressure reducers; 408 gas high-pressure cylinders; 409 pressure display tables; 410 electric press switches; 411 rapid-acting couplings; 412 high pressure piston containers; 413 solenoid valves; 414 gas-liquid separators; 415 cold-traps; 416 refrigerators; 417 stop valves; 418 air storage chambers; 419 electronic high-pressure pumps; 420 pipe joint A; 421 pipe joint B.

Fig. 5 high-temperature high-voltage reaction cellular construction figure

501B cylinder intermediate sleeve; 502 times junk ring bolts; 503 alloy cylinder; 504 press down ring set; 505V shape red copper packing washer A; 506O shape graphite gasket; Alloy sample chambers 507; 508 give birth to hydrocarbon space regulator; 509 self-tightening type end caps; 510 red copper cone-shaped sealing ring B; 511 upper press ring covers; Hold-down bolt on 512; Intermediate pressure cover on 513; 514 pressure caps; 515 2 connect pipe; 308A cylinder intermediate sleeve; 517 metal filtration sheet A; 518 rock samples; 519 metal filtration sheet B; 520V shape red copper packing washer B; 521 lithostatic pressure power posts; 309 times intermediate pressure cover B.

Fig. 6 bidirectional hydraulic machine control module structural representation

601 intelligent pressure control table A; 602 intelligent pressure control table B; 603 pressure unit A; 604 pressure unit B; 605 large tank A; 606 small oil tank B; 607 reversing solenoid valve A; 608 reversing solenoid valve B; The 609 bar A that exert pressure; The 610 bar B that exert pressure; 611 fuel tanks; 612 plunger-type fuel pumps; 613 Oil pump electrical machineries; 614 computing machines 614.

Embodiment

Embodiment

The present invention is further illustrated below in conjunction with drawings and Examples.

In the accompanying drawing 3, the present invention is by high-temperature high-voltage reaction unit 303, bidirectional hydraulic automatic control unit 301, automatically row's hydrocarbon products is collected and fluid supplementary units 307, data acquisition and automatic control unit 314, peripheral auxiliary equipment and tool housing constitute, wherein the alloy cylinder 503 of high-temperature high-voltage reaction unit is a hollow cylinder, alloy material by high pressure resistant high temperature corrosion-resisting is made, its upper port is placed self-tightening type end cap 509 successively, red copper cone-shaped sealing ring 510, upper press ring cover 511, after last intermediate pressure cover A308 and the last hold-down bolt 512, cause red copper cone-shaped sealing ring 510 that deformation take place after by the bar A621 that exerts pressure of large tank A305 A cylinder intermediate sleeve 516 being exerted pressure the alloy cylinder upper port is sealed; The centre of described self-tightening type end cap 509 is drilled with two open channels of 0.5 millimeter of diameter, one end is connected with living hydrocarbon space regulator 508, and the other end connects pipe 515 by two and is connected with the four way valve 402 of fluid supplementary units with the collection of automatic row's hydrocarbon products with pipe joint A; Described alloy cylinder 503 inside are placed living hydrocarbon space regulator 508 and alloy sample chamber 507 successively, place metal filtration sheet A517, rock sample 518, metal filtration sheet B519, lithostatic pressure power post 521, following intermediate pressure cover B and B cylinder intermediate sleeve 501 in alloy sample chamber 507; Described B cylinder intermediate sleeve 501 is placed on the bar B610 that exerts pressure, and drives the bar B that exerts pressure by small oil tank B306 rock sample 518 is applied lithostatic pressure power; The lithostatic pressure power post 521 that is placed in the alloy cylinder 503 puts V-type red copper O-ring seal B520 (its V-shaped part is connected with the mouth of falling V of alloy sample chamber 507), O type graphite gasket 506, V-type red copper packing washer A505 successively, presses down ring set 504, descends after pressure ring nut 502 and the following intermediate pressure cover 309, drive the bar A609 that exerts pressure by large tank A and exert pressure, cause O type graphite gasket 506, V-type red copper packing washer A, B that deformation takes place by the reacting force that descends intermediate pressure cover 309 the alloy cylinder lower port is sealed; The whole alloy cylinder that combines 503 is placed in the box type furnace 310 and base plate on, described upward intermediate pressure cover A308 passes box type furnace 310 upper sheds and contacts with the bar A that exerts pressure by A cylinder intermediate sleeve 516, and the described cover of intermediate pressure down B309 passes box type furnace 310 under sheds with B cylinder intermediate sleeve 501 and contacts with the bar B that exerts pressure with base plate 313 respectively.

Automatically row's hydrocarbon products is collected with the fluid supplementary units and is passed through pipe joint A, four way valve 402 connects pipe 515 with two of high-temperature high-voltage reaction unit 303 and is connected, the indoor formation fluid pressure of described four way valve 402 1 outlets setting pressure transmitter 401 test sample, be connected with automatic control unit with described data acquisition by signal wire, an outlet is connected with high-pressure air operated valve A by the stainless steel pipeline, in the experimentation if during row's hydrocarbon force value that formation fluid pressure surpass to be set, then start two-position three way magnetic valve A and discharge fluid pressure, fluid product is by gas-liquid separator 414 after separatings, liquid product is frozen reservation, gaseous product enters air storage chamber 418 and collects, until the force value that sets, close high-pressure air operated valve A; Another outlet of described four way valve is connected with high-pressure air operated valve B405 by the stainless steel pipeline, when the hydrodynamic pressure in the sample chamber is lower than row's hydrocarbon force value of setting, then start the formation fluid pressure that high-pressure air operated valve B406 replenishes in the sample chamber by electronic high-pressure pump 419 and high pressure piston container 412, until the force value that sets, described high-pressure air operated valve B405 is connected with high pressure piston container 412 by rapid-acting coupling 411, stainless steel pipeline; Described high-pressure air operated valve A404 is connected with gas-liquid separator 414 by pipeline, and gas-liquid separator is placed in the cold-trap 415, the condensate water refrigeration that cold-trap is provided by refrigerator 416; Described gas-liquid separator 414 is by pipeline and pressure display table 409, electric press switch 410, solenoid valve 413, air storage chamber 418 connects successively, described electric press switch links to each other with computing machine 614614 by signal wire, liquid state that rock sample 518 in experimentation in the sample chamber generates under high-temperature and high-pressure conditions and gaseous product at first are retained in the freezing gas-liquid separator after entering the gas-liquid separator 414 that is frozen through four way valve 402, when value of setting greater than pressure indicator when its internal pressure or experiment finish, computing machine 614 sends instruction unpack pressure switch and solenoid valve, gaseous product enters air storage chamber 418 and collects, liquid product is retained in the gas-liquid separator, the automatic collection and the gas-liquid separation of the living hydrocarbon products of simulation have been realized, for the hydrocarbon process is given birth in the simulation of research hydrocarbon source rock under curtain formula row's hydrocarbon and stabilized fluid pressure, for the relation between quantitative examination hydrocarbon primary rock producing hydrocarbon and the first row's hydrocarbon provides a kind of effective means.

Common same fuel tank 611, Oil pump electrical machinery 613, the plunger-type fuel pump 612 of using of large tank A305 in the bidirectional hydraulic automatic control unit 301 and small oil tank B306 constitutes two cover hydraulic means, wherein said Oil pump electrical machinery 613 is connected with computing machine 614614 by signal wire, the automatic control that described intelligent pressure control table A, B one end are connected with pressure unit A, B, the other end is connected to form two cover hydraulic means by signal wire and computing machine 614.Described large tank A mainly exerts pressure to the A cylinder intermediate sleeve 308 in the alloy cylinder, following intermediate pressure cover B in experiment, allows packing washer produce deformation, guarantees alloy cylinder and the sealing of sample chamber under high-temperature and high-pressure conditions; The advance and retreat of the bar B that exerts pressure of small oil tank B form the lithostatic pressure power and the confined pressure of sample by B cylinder intermediate sleeve 501 and lithostatic pressure power bar.The automatic control of large tank A and small oil tank B is by pressure unit A, B output pressure signal, carry out in real time by computing machine 614 by intelligent pressure control table A, B, if the pressure unit output signal is lower than the scope of experiment set pressure, then computing machine 614 sends instruction, start Oil pump electrical machinery and plunger-type fuel pump, open reversing solenoid valve A, B, to carrying out large tank A and small oil tank B ftercompction, up to set pressure.

Data acquisition is connected with temperature transmitter 302, pressure unit 401, intelligent pressure control table A, B, Oil pump electrical machinery, two-position three way magnetic valve A, B, electric press switch 410 by signal wire with automatic control unit, by formation fluid pressure in 614 pairs of described box type furnaces 310 of computing machine (maximum temperature can reach 600 ℃), large tank A305, small oil tank B306, the sample chamber, rock sample 518 lithostatic pressure power, row's hydrocarbon products separated and collected, fluid replenishes in real time and experimental data is carried out acquisition and recording and control automatically; Described peripheral auxiliary equipment and tool housing play the support fixation effect by portal frame 311, top board 312,313 pairs of whole high-temperature high-voltage reactions of base unit 303 and large tank A305, small oil tank B306.

The using method of described hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator is such: carry out before the simulated experiment of hydrocarbon source rock High Temperature High Pressure, at first place self-tightening type end cap 509 successively in alloy cylinder 503 upper port, last intermediate pressure cover A308, red copper cone-shaped sealing ring 510, upper press ring cover 511 and last hold-down bolt 512, start large tank A305 by manual control panel 315, drive the bar A acting of exerting pressure the alloy cylinder upper port is tentatively sealed; After the upper port sealing, place living hydrocarbon space regulator 508508 successively from the alloy cylinder lower port, last metal filter disc A517, the alloy sample chamber 507507 that an amount of rock sample 518518 is housed, following metal filter disc B519, lithostatic pressure power post 521, on lithostatic pressure power post, put V-arrangement copper washer 520 (mouth upwards), O shape graphite gasket 506, V-arrangement copper washer 505 (mouth downwards) then successively, press down ring set 504, place junk ring bolt 502, following intermediate pressure cover B309, B cylinder intermediate sleeve 501 down at last more successively, so just combined whole alloy cylinder.The alloy cylinder that to assemble above-mentioned parts more be placed on the instrument base 313 and box type furnace 310 in, regulate its position, allow the A cylinder intermediate sleeve 308 of its upper end contact with the bar A that exerts pressure and align, the B cylinder intermediate sleeve of lower end contacts with the bar B that exerts pressure aligns, after following intermediate pressure cover B is supported on the base 313, at first start large tank A305 and small oil tank B306 simultaneously by manual control panel, large tank A is to being installed in the V-arrangement copper washer of alloy cylinder lower port, the red copper cone-shaped sealing ring of O shape graphite gasket and upper port is exerted pressure and is sealed, and small oil tank B applies lithostatic pressure power by B cylinder intermediate sleeve and lithostatic pressure power post to rock sample 518.

Connecting pipe 515 by pipe joint A with two is connected with four way valve 402, pipe joint B is connected air storage chamber 418 with vacuum pump 316, open high-pressure air operated valve A404, close high-pressure air operated valve B405, alloy cylinder and sample chamber that upper and lower port has been sealed vacuumize, after vacuum is taken out, close high-pressure air operated valve A404 again, connect rapid-acting coupling 411, manual unlocking two-position three way magnetic valve B406 and high-pressure air operated valve B405, utilize electronic high-pressure pump 419 and high pressure piston container 412 to give and charge into the pressure that high-pressure fluid (inert gas or pure water) is set up to experiment in alloy cylinder and the sample chamber, close high-pressure air operated valve B405 log-on data again and gather the situation of change of monitoring hydrodynamic pressure in the sample chamber with automatic control unit, if hydrodynamic pressure does not descend in 12 hours, illustrate that whole instrument do not leak.After instrument does not leak, open the high-pressure air operated valve A404 used fluid of leak test of draining, once more total system is evacuated with vacuum pump 316, after vacuum is taken out, close the gate out switch of electric press switch 410 and air storage chamber 418, unload pipe joint 421, keep whole experimental system and be in vacuum state.

When carrying out the simulated experiment of hydrocarbon source rock High Temperature High Pressure, at first on computing machine 614 operating systems, relevant parameters (temperature is set by the simulated experiment designing requirement, time, lithostatic pressure power, formation fluid pressure etc.), start whole simulated experiment instrument automatic control system, computing machine 614 sends instruction, start Oil pump electrical machinery 616, drive large tank A305 acting by plunger-type fuel pump through reversing solenoid valve A, the bar A609 that exerts pressure is moved downward by A cylinder intermediate sleeve 516, last intermediate pressure cover A308 and upper press ring cover 511 pairs of red copper cone-shaped sealing rings 510 apply high pressure sealing alloy cylinder upper port with self-tightening type end cap 509, overlap 309 reacting force by following intermediate pressure simultaneously, through pressing down 504 pairs of V-arrangement copper washers 520 of ring set (mouth upwards) by backplanes support, O shape graphite gasket 506, V-arrangement copper washer 505 (mouth downwards) applies high pressure sealing alloy cylinder lower port; Described computing machine 614 also can send instruction, start Oil pump electrical machinery 616, drive small oil tank B305 acting by plunger-type fuel pump through reversing solenoid valve B, the bar B that exerts pressure is moved upward apply high lithostatic pressure power by the rock sample 518 in B bar intermediate sleeve 501 and 521 pairs of alloy sample chambers 507 of lithostatic pressure power post.Because the sealing means that the upper and lower port of alloy cylinder adopts axial self-tightening type static seal to combine with half self-tightening type motive seal has respectively been guaranteed the hydrocarbon primary rock producing hydrocarbon process and can have been carried out under 150MPa formation fluid pressure and the lithostatic pressure power that is up to 200MPa and do not generate the leakage of product being up to.

During the hydrocarbon primary rock producing hydrocarbon simulated experiment, the intensification of rock sample 518, constant temperature and cooling are finished jointly by the resistance wire in computing machine 614, temperature controller, temperature transmitter 302 and the box type furnace 310, owing in the box type furnace high temperature resistant electric fan is installed, therefore the heating to whole alloy cylinder and rock sample 518 is uniform.Maximum temperature can reach 600 ℃ during experiment.

Rock sample 518 in the alloy sample chamber 507 is through beginning to generate oil gas after the heating after a while, the rising that the fluid (water or inert gas) in the alloy cylinder also can Yin Wendu simultaneously, cause formation fluid pressure constantly to increase, if at certain temperature spot, the formation fluid pressure of being sensed by pressure unit 401 surpasses the experiment setting value, computing machine 614 can send instruction, start two-position three way magnetic valve A403, open high voltage startup valve A404 by the high pressure gas cognition that gas high-pressure cylinder 408 and pressure display table 409 provide, make the high pressure-temperature fluid product in alloy cylinder and the sample chamber connect pipe 515 through two, four way valve 402, high-pressure air operated valve A404 enters into the gas-liquid separation chamber that is frozen and preserves, high-pressure air operated valve A can close automatically after thereby reduction formation fluid pressure, pressure were reduced to certain value; On the contrary, if at certain temperature spot, the formation fluid pressure of being sensed by pressure unit 401 is less than the experiment setting value, computing machine 614 also can send instruction, start two-position three way magnetic valve B406, open high-pressure air operated valve B405 by the high pressure gas cognition that gas high-pressure cylinder 408 and gas pressure reducer 407 provide, until the pressure that experiment is set, close high-pressure air operated valve B simultaneously for high-pressure fluid additional suitable in alloy cylinder and the sample chamber (the big or small apparent temperature of pressure and simulated experiment require to decide) by high-voltage electric pump 419 and high pressure piston container 412.By the switch of automatic control high-pressure air operated valve A and B, realized formation fluid pressure and the automatic control of arranging the hydrocarbon process in the living hydrocarbon process of hydrocarbon source rock simulation thus.

After pressure overpressure indicator gauge 409 setting values that gas in being retained in gas-liquid separator and product liquid form or experiment finish, computing machine 614 sends instruction unpack electric press switch 410, gaseous product enters air storage chamber 418, product liquid is frozen and is retained in the gas-liquid separator 414, thereby realized the automatic freezing separation of gas-liquid product, separated product utilizes other instrument and equipments and method to carry out the three phase metering of oil gas water after taking out again.

From the description of the foregoing description as can be known: the present invention uses hyundai electronics machinery and automatic control technology, can by impose a condition to give birth to lithostatic pressure power, formation fluid pressure, the cooling of intensification constant temperature in the hydrocarbon simulated experiment overall process, give birth to that hydrocarbon products is discharged, fluid replenishes to separate with product and realizes control automatically.

The present invention's effect comparison compared with the prior art:

Daqing Petroleum Institute is obtaining patent of invention " Analogic experimental apparatus for geochemical evolution of organic matters " (No. 11816 invention, the patent No. 8710091,1989) (Dang Changtao, Liu Xiaoyan etc. have been carried out improving on the basis, 1994, GEOLAB, 10 (3) 164-166), develop a kind of interior heating compacting type source-rock evolution and given birth to, arranged the hydrocarbon analogue experiment installation, the analogue experiment installation that is provided is a kind of chemical evolution simulation that is used for, and particularly simulates the experimental provision of the organic quality evolution under the different geologic conditions.This device by the tubular high-pressure reactor that removable plunger is housed in the axial direction, be equipped with one and can apply the pressing machine of may command simulated pressure and be enclosed within conversion zone external heated device sample in the reactor by plunger and constitute, the tubular high-pressure reactor can be divided into seal section, conversion zone and liquid collection zone, and each is intersegmental to connect with high-pressure sealing ring.It is fast that this device has firing rate, the advantage that sample is heated evenly, maximum temperature can reach 600 ℃, maximum lithostatic pressure power is 130MPa, maximum formation fluid pressure is 15MPa, be difficult to lithostatic pressure power and the formation fluid pressure of simulation hydrocarbon source rock under height evolution geologic condition,, can't realize that control automatically and the real-time of fluid replenish because the employing tensimeter shows pressure; Owing to will add the heat-conducting metal bead in the reactor, therefore can not can only carry out simulated experiment with the sample of pulverizing with primary sample, changed the archioporus gap structure of sample, influenced the authenticity of experimental result.

Patent of invention " compacting diagenesis's effect generates with oil gas and row drives analogue experiment installation " (D0316, the patent No.: CN01136031.3) and novel practical patent " oil gas generation, migration and accumulation analogue experiment installation " (D0316, the patent No.: CN01136031.3) provide a kind of automaticity height, easy to maintenance, High Temperature High Pressure, firing rate is fast and temperature evenly, not only can have been simulated open system but also can simulate Accumulation of Hydrocarbon hydrocarbon under the real simulated formation temperature and pressure condition of closed system and the analogue experiment installation (accompanying drawing 1) of migration accumulation process.With regard to the hydrocarbon primary rock producing hydrocarbon process simulation, this instrument and patent of invention " Analogic experimental apparatus for geochemical evolution of organic matters " have very big similarity, the maximum lithostatic pressure power that can simulate only is 120MPa, maximum formation fluid pressure has only 15MPa, be difficult to Jing Yan and the pore-fluid pressure of simulation hydrocarbon source rock under height evolution geologic condition, also do not have " the archioporus gap structure and the space of sample ", " the actual formation hydrodynamic pressure " of consideration, " equilibration time " to reach " arranging hydrocarbon for the first time " these several factors that the hydrocarbon primary rock producing hydrocarbon process had material impact.

" High Temperature High Pressure thermal cycle simulation " (accompanying drawing 2) that document (Du Hongwen etc., 2001. oil instrument .15 (6) 16-19) is stated realized the automatic control of temperature, pressure; Also adopt the heating in medium frequency technology, heating fast evenly; Gas, liquid product automatic gauge have been eliminated personal error; Special non-bolt, quick detachable high-temperature high-pressure reaction kettle have further improved the highest simulated formation hydrodynamic pressure (maximum 40MPa).Equally, this device can not can only carry out simulated experiment with the sample of pulverizing with primary sample, has changed the archioporus gap structure of sample, can not satisfy the formation fluid pressure under the high evolution geologic condition, can not simulate the hydrocarbon primary rock producing hydrocarbon process under act formula row hydrocarbon condition.

Compare with above-mentioned prior art, patent of the present invention can keep the original hole of hydrocarbon source rock sample 518 product, in the limited pore space, consider with underground oil and gas and generate airtight, the open or controlled life of pressurization of heating of carrying out hydrocarbon source rock under the condition of close lithostatic pressure power, formation fluid pressure and confined pressure, arrange the hydrocarbon simulated experiment simultaneously.

Comparatively speaking, this instrument has the following advantages:

1. can in the situation that keeps the hydrocarbon source original pore structure of rock sample 518 product and space, carry out hydrocarbon source rock high temperature high pressure and give birth to hydrocarbon simulation experiment, its highest temperature degree is 600 ℃, the highest lithostatic pressure and confined pressure are 200MPa, the highest formation fluid pressure is 150MPa, greatly expanded the experiment scope of hydrocarbon primary rock producing hydrocarbon under the simulation geological conditions, made the simulation experimental result more simulate experimental result more near geology reality near actual the making of geology;

2. owing to adopted hyundai electronics machinery and automatic control technology, realize automatic control and the monitoring of temperature, pressure, collection of products and data collection etc., greatly improved automation degree and the instrumentation level of device;

3. because the automatic control of having adopted row's hydrocarbon and fluid to replenish, therefore can simulate the living hydrocarbon process of hydrocarbon source rock under curtain formula row's hydrocarbon or stable formation fluid pressure (open or sealing), for the quantitative relationship between research hydrocarbon primary rock producing hydrocarbon and the first row's hydrocarbon provides a kind of effective means.

Claims (8)

1. hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator, it is characterized in that it by high-temperature high-voltage reaction unit (303), bidirectional hydraulic automatic control unit (301), arrange hydrocarbon products automatically and collect and fluid supplementary units (307), data acquisition and automatic control unit (314), peripheral auxiliary equipment and tool housing five parts formation, wherein:

Described high-temperature high-voltage reaction unit (303) is connected with the bar B that exerts pressure of exert pressure bar A and small oil tank B of large tank A in the bidirectional hydraulic automatic control unit (301) respectively by A cylinder intermediate sleeve (308) and B cylinder intermediate sleeve (501), and alloy cylinder is sealed, rock sample (518) is applied lithostatic pressure power;

Described high-temperature high-voltage reaction unit (303) comprises alloy cylinder (503), B cylinder intermediate sleeve (501), following junk ring bolt (502), press down ring set (504), V-type red copper packing washer A (505), V-type red copper packing washer B (520), O type graphite gasket (506), alloy sample chamber (507), give birth to hydrocarbon space regulator (508), self-tightening type end cap (509), red copper cone-shaped sealing ring (510), upper press ring cover (511), last hold-down bolt (512), last intermediate pressure cover A (513), pressure cap (514), two connect pipe (515), A cylinder intermediate sleeve (308), rock sample (518), metal filtration sheet A (517), metal filtration sheet B (519), lithostatic pressure power post (521) and following intermediate pressure cover B (309), box type furnace (310) and temperature transmitter (302);

Described alloy cylinder (503) is a hollow cylinder, its upper port is installed self-tightening type end cap (509), red copper cone-shaped sealing ring (510), upper press ring cover (511) and last hold-down bolt (512) afterwards successively, be connected with the bar A (609) that exerts pressure by A cylinder intermediate sleeve (308), seal after exerting pressure by large tank A; 0.5 millimeter passage of diameter is arranged in the middle of the wherein said self-tightening type end cap (509), one end is connected with alloy sample chamber (507), the other end connects pipe by two and is connected with pipe joint A ((420)), the four way valve (402) of fluid supplementary units with the collection of automatic row's hydrocarbon products, forms the passing away of product;

The B cylinder intermediate sleeve (501) that described alloy cylinder (503) lower port is installed is connected with the bar B (610) that exerts pressure of small oil tank B, and by lithostatic pressure power post (521) rock sample (518) is applied lithostatic pressure power;

Install to give birth to hydrocarbon space regulator (508) in the described alloy cylinder (503) more successively, the V-arrangement red copper packing washer A that metal filtration sheet A, alloy sample chamber (507), rock sample (518), metal filtration sheet B and lithostatic pressure power post, hollow mouth make progress, O shape graphite gasket, hollow mouthful of downward V-arrangement red copper packing washer B, press down ring set (504), junk ring bolt (502) and following intermediate pressure overlap B (309) down; Wherein descend intermediate pressure cover B (309) to be placed on the base (313), after utilizing the bar A that exerts pressure of large tank A that A cylinder intermediate sleeve (308) is exerted pressure, reacting force by base (313) is exerted pressure seal in alloy cylindrical shell lower port to following intermediate pressure cover (309);

The alloy cylinder (503) that has been mounted above-mentioned parts uprightly is placed in the box type furnace (310), the A cylinder intermediate sleeve of upper port is passed the box type furnace open top and is connected with the bar A that exerts pressure, and the B cylinder intermediate sleeve (501) that intermediate pressure cover B is overlapping under the following intermediate pressure cover B (309) of lower end and the quilt is passed the box type furnace bottom opening and is connected with the bar B that exerts pressure with base (313) respectively.

2. hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator as claimed in claim 1 is characterized in that,

Described automatic row's hydrocarbon products is collected with fluid supplementary units (307) and is comprised by pressure unit (401), four way valve (402), two-position three way magnetic valve A (403), high-pressure air operated valve A (404), pressure display table (409), electric press switch (410), solenoid valve (413), gas-liquid separator (414), cold-trap (415), refrigerator (416), automatic row's hydrocarbon that air storage chamber (418) is formed and product gathering-device and by rapid-acting coupling (411), high pressure piston container (412), high-pressure air operated valve B (405), two-position three way magnetic valve B (406), electronic high-pressure pump (419), the fluid supplementary device that stop valve (417) is formed and be two-position three way magnetic valve A, B provides the gas pressure reducer (407) of driving force, gas high-pressure cylinder (408); Described automatic row's hydrocarbon products collection connects pipe by four way valve (402), pipe joint A with two of high-temperature high-voltage reaction unit upper port with fluid supplementary units (307) and is connected.

3. hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator as claimed in claim 2 is characterized in that:

Described four way valve primary outlet connects pipe by pipe joint A with top, high-temperature high-voltage reaction unit two and is connected, second outlet setting pressure transmitter (401) is connected with described computing machine (614) by signal wire, and the 3rd outlet is connected with high-pressure air operated valve A by pipeline;

Described high-pressure air operated valve A (404) is connected with gas-liquid separator (414) by pipeline, and gas-liquid separator (414) is placed in the cold-trap 4715, the condensate water refrigeration that cold-trap (415) is provided by refrigerator (416);

Described gas-liquid separator (414) is connected with pressure display table (409), electric press switch (410), solenoid valve (413), air storage chamber (418) successively by pipeline;

Described electric press switch (410) links to each other with computing machine (614) by signal wire, in experimentation the liquid state that generates is separated and collection automatically with gaseous product;

The 4th outlet of described four way valve (402) is connected with high-pressure air operated valve B by the stainless steel pipeline, described high-pressure air operated valve B is connected with high pressure piston container (412) by pipeline again, and high pressure piston container (412) provides pressure by the electronic high-pressure pump (419) that is attached thereto;

Described two-position three way magnetic valve A, B are connected with gas pressure reducer, pressure gas cylinder by pipeline, and its control section links to each other with computing machine (614) by signal wire.

4. hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator as claimed in claim 1 is characterized in that:

Described data acquisition and automatic control unit (314) comprise data acquisition and automatic control card, computing machine (614) and printer,, be connected respectively with the temperature transmitter (302) of high-temperature high-voltage reaction unit, collect pressure unit (401), two-position three way magnetic valve A, B and electric press switch (410) with the fluid supplementary units by computing machine (614) with intelligent pressure control table A, B and the Oil pump electrical machinery of bidirectional hydraulic automatic control unit (301) with row's hydrocarbon products automatically.

5. hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator as claimed in claim 1 is characterized in that:

Described bidirectional hydraulic automatic control unit (301) is made up of intelligent pressure control table A (601), intelligent pressure control table B (602), pressure unit A (603), pressure unit B (604), large tank A (305), small oil tank B (306), reversing solenoid valve A (607), reversing solenoid valve B (608), the bar A (609) that exerts pressure, the bar B (610) that exerts pressure, fuel tank (611), plunger-type fuel pump (612) and Oil pump electrical machinery (613); Wherein

The bar A that exerts pressure of described large tank A is connected with A cylinder intermediate sleeve (308), guarantees alloy cylinder and the sealing of sample chamber under high-temperature and high-pressure conditions;

The bar B that exerts pressure of small oil tank B is connected with B cylinder intermediate sleeve, by lithostatic pressure power post rock sample (518) is produced lithostatic pressure power and confined pressure.

6. hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator as claimed in claim 4 is characterized in that:

Described intelligent pressure control table A, intelligent pressure control table B and Oil pump electrical machinery are connected with manual control panel (315) with computing machine (614) by signal wire, both can also can carry out equality operation by computing machine (614) control automatically of data acquisition and automatic control unit by the switch on the manual control panel; If the signal that this pressure unit A, B provide is lower than the scope of set pressure, then computing machine (614) sends instruction, start Oil pump electrical machinery, the actuation plunger oil pump is extracted machine oil out from fuel tank, open reversing solenoid valve A, B simultaneously, large tank A, small oil tank B are carried out ftercompction, drive exert pressure bar A, B again and move up and down and respectively packing washer and rock sample (518) are exerted pressure, up to the force value of setting.

7. hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator as claimed in claim 1 is characterized in that:

Described peripheral auxiliary equipment and tool housing unit comprise vacuum pump (316), portal frame (311), base (312), top board (313), manual chain of command version (315), the carbon steel plastic jetting shell, by the fixing box type furnace of portal frame, by the fixing large tank A of bidirectional hydraulic automatic control unit (301) of top board (312), its bar A that exerts pressure is connected with A cylinder intermediate sleeve (308), by the fixing small oil tank B of bidirectional hydraulic automatic control unit (301) of base (313), support intermediate pressure cover B (309) down, the bar B that exerts pressure then is connected with the B cylinder intermediate sleeve (501) of high-temperature high-voltage reaction unit.

8. the using method as the described hydrocarbon source rock formation pore heat-pressing hydrocarbon-generation simulator of one of claim 1～7 the steps include:

(1) an amount of rock sample (518) is packed in the described sample chamber, respectively put a metal filter disc up and down, again the sample chamber is put into the alloy cylinder of the good upper port of capping, added V-arrangement red copper packing washer A that lithostatic pressure power post, hollow mouth make progress, O shape graphite gasket, hollow mouthful of downward V-arrangement red copper packing washer B successively, press down ring set, junk ring bolt, intermediate pressure cover B and B cylinder intermediate sleeve down down;

(2) alloy cylinder that will assemble above-mentioned parts be placed on the base and box type furnace in, regulate its position, allow the A cylinder intermediate sleeve of its upper end pass the box type furnace open top and align with the bar A that exerts pressure, the B cylinder intermediate sleeve of lower end and following intermediate pressure cover B pass the box type furnace bottom opening and align with the bar B that exerts pressure respectively, be supported on the base, utilize the hand switch on the manual control panel to start Oil pump electrical machinery, drive the bar A that exerts pressure of large tank A (510) and small oil tank B (514), B applies the pressure of setting to the seal member in the alloy cylinder and rock sample (518);

(3) four way valve (402) and two being connected pipe (515) is connected, connect rapid-acting coupling, manual-lock high-pressure air operated valve A, opening two-position three way magnetic valve B and high-pressure air operated valve B utilizes electronic high-pressure pump that the pressure of high pressure piston container is increased to 80-100MPa to give in the sample chamber and charge into high pressure nitrogen or pure water, shut high-pressure air operated valve B after the balance, log-on data is gathered the situation of change of monitoring hydrodynamic pressure in the sample chamber with automatic control unit, if hydrodynamic pressure does not descend in 12 hours, illustrate that whole instrument do not leak;

(4) after the affirmation instrument does not leak, the fluid that the leak test of draining is used, connect vacuum pump (316) and pipe joint B (421), alloy cylinder (503), alloy sample chamber (507), four way valve, gas-liquid separator and air storage chamber and the associated line between them all are evacuated, close the endpiece of air storage chamber (418);

(5) by the simulated experiment designing requirement relevant parameters is set on computing machine (614) operating system, said parameter comprises analog temperature, simulated time, lithostatic pressure power, formation fluid pressure; Start the instrument automatic control system, the overall process of experiment will apply lithostatic pressure power, formation fluid pressure, intensification constant temperature by imposing a condition automatically, discharge product, fluid replacement and separated and collected product.

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