CN102519831A - Semi-permeable partition rock core capillary pressure and resistivity measuring device - Google Patents
Semi-permeable partition rock core capillary pressure and resistivity measuring device Download PDFInfo
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- CN102519831A CN102519831A CN2011103276433A CN201110327643A CN102519831A CN 102519831 A CN102519831 A CN 102519831A CN 2011103276433 A CN2011103276433 A CN 2011103276433A CN 201110327643 A CN201110327643 A CN 201110327643A CN 102519831 A CN102519831 A CN 102519831A
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Abstract
Relating to the technical field of rock core capillary pressure and resistivity measuring devices, the invention provides a semi-permeable partition rock core capillary pressure and resistivity measuring device, which comprises an instrument rack, a rock core holder, a semi-permeable partition rock core chamber, an effluent liquid metering device, a pressure regulation and control device, a display device, a pressure regulation driving device and a computer. The instrument rack includes a frame, a transverse frame plate, a working platform and a placement stand. The transverse frame plate is fixed at the upper end of the frame, the working platform is positioned on the frame below the transverse frame plate, the placement stand is disposed on the frame under the front part of the work platform, and the rock core holder able to measure the rock core resistivity is fixedly installed in the central part of the lower end of the transverse frame plate. With reasonable and compact structure, as well as convenient usage, the measuring device of the invention has the advantages of simple and rapid operation, high measuring efficiency, stable and reliable rock core capillary pressure and resistivity measurement, accurate measurement, as well as simplicity and high efficiency.
Description
Technical field
the present invention relates to rock core capillary pressure and resistivity test device technical field, are a kind of dividing plate rock core capillary pressure resistivity test devices that partly passes through.
Background technology
rock core capillary pressure and resistivity; It is indispensable technical parameter in the oilfield exploratory development; At present, the oil field generally uses semi-permeable dividing plate 38 measurement mechanisms of rock core to measure the capillary pressure and the different saturation of senior middle school's permeable reservoir strata rock core.Existing semi-permeable dividing plate 38 technology mainly contain two kinds; A kind of is that single rock core is measured; A kind of is that many rock cores are measured; Because the semi-permeable 38 commercial measurement cycles of dividing plate are longer, so the many rock cores of practical application more options measure, and are about to a plurality of rock cores and are installed in and are array on the dividing plate and distribute and measure; But because the complicacy of rock core, existing semi-permeable dividing plate 38 measurement mechanisms of rock core exist that specific aim is strong, the displacement pressure setting accuracy is low, liquid outlet quantity and the resistivity measurement error is big, experimental period is long problem.If carry out rock core capillary pressure and resistivity translocation, then because of rock core resistivity contact resistance is big, measuring accuracy is lower; If rock core capillary pressure and resistivity are separately measured; Be that removal of core is weighed and measured the rock core saturation degree through aquifer yield; Removal of core is measured rock core resistivity to the rock core resistivity apparatus again, and so not only measurement result receives the influence of environment temperature and humidity bigger, and complex operation, efficiency of measurement are lower; Adopt in addition when dividing bulk measurement, it is also higher to measure cost.
Summary of the invention
the invention provides a kind of half and pass through dividing plate rock core capillary pressure resistivity test device; Overcome the deficiency of above-mentioned prior art, it can effectively solve, and existing rock core capillary pressure and resistivity test device exist that measuring accuracy is lower, complex operation, lower, the cost problem of higher of efficient.
technical scheme of the present invention realizes through following measure: a kind of half passes through dividing plate rock core capillary pressure resistivity test device, comprises instrument stand, core holding unit, partly oozes slate ventricle, fluid WT-MSR, Regulation Control device, display device, pressure regulation drive unit and computing machine; Instrument stand comprises frame, transverse frame plate, workbench and articles holding table; The upper end of frame is fixed with transverse frame plate; On the frame of transverse frame plate below workbench is arranged; On the frame of workbench forward, lower part articles holding table is arranged; Transverse frame plate lower end middle part is installed with the core holding unit that can measure rock core columnar resistance rate, be installed with on the workbench be no less than one can measure rock core post capillary pressure partly ooze the slate ventricle, be equipped with on the frame of workbench bottom and can measure the corresponding fluid WT-MSR that partly oozes rock core post liquid outlet quantity in the slate ventricle; The placement chamber that can keep in the rock core post is installed on the articles holding table; The articles holding table front portion is equipped with display device, and the pressure regulation drive unit is installed on the frame of articles holding table bottom, and the articles holding table right part is equipped with the computing machine that can gather and handle capillary pressure signal, resistivity signal and liquid outlet quantity signal.
Be to the further optimization of foregoing invention technical scheme below or/and improve:
Ooze pressure regulator valve during
above-mentioned Regulation Control device can comprise, height oozes pressure regulator valve, gas control pressure regulator valve and gas drive pressure regulator valve; The frame front of workbench below is fixed with guidance panel; The left part of last guidance panel be equipped with can independently control partly ooze the work of slate ventricle in ooze pressure regulator valve; The right part of last guidance panel is equipped with the independent height that partly oozes the work of slate ventricle of controlling and oozes pressure regulator valve; The frame front of articles holding table below is fixed with down guidance panel, and the middle part of following guidance panel is equipped with gas control pressure regulator valve and the gas drive pressure regulator valve that can control core holding unit respectively; The pressure regulation drive unit comprises quiet air lift pump, gas boosting pump and control box, and quiet air lift pump, gas boosting pump and control box are fixedly mounted on respectively on the frame of articles holding table below.
above-mentioned rock core core holding unit can comprise grip slipper, gripper cylinder, connecting cylinder, clamping cylinder piston rod, advances electrode, insulating boot, plunger electrode, hydraulic pressure chamber, hydraulic pressure transducer, presses down gas admittance valve, presses down atmospheric valve, be retracted into air valve and retraction atmospheric valve; The upper end of grip slipper is fixedly mounted on middle part, transverse frame plate lower end; The lower end of grip slipper is installed with gripper cylinder, and the clamping cylinder piston rod that can stretch out is downwards arranged at the bottom of gripper cylinder, and the cylinder body lower end of gripper cylinder is fixedly connected with insulating boot through connecting cylinder; There is placed cavity the inside of insulating boot; The lower end of clamping cylinder piston rod extends placed cavity inside and is installed with the propelling electrode, and there is the inner placing hole that is connected with placed cavity the front portion of insulating boot, and the bottom of placed cavity is equipped with the plunger electrode; The bottom of insulating boot is installed with hydraulic pressure chamber; There is hydraulic cavities the inside of hydraulic pressure chamber; There is the pressure measurement plunger lower end of plunger electrode, and the pressure measurement plunger is positioned at hydraulic cavities inside and can moves up and down, and the outer lower portion of hydraulic pressure chamber is equipped with the hydraulic pressure transducer that can detect hydraulic cavities internal liquid pressure; The upper right of gripper cylinder and left side are separately installed with and press down gas admittance valve and press down atmospheric valve, and the right side, bottom of gripper cylinder and left side are separately installed with and are retracted into air valve and retraction atmospheric valve.
above-mentioned partly oozes the slate ventricle and can comprise jar at the bottom of the rock core, advance seal closure, rock core pressure cap, sealing socket, dividing plate ring set, semi-permeable dividing plate, filter cushion and pressure-bearing pad; The outer middle side part of jar has draw-in groove and is fixedly mounted on the workbench through draw-in groove at the bottom of the rock core; There is jar chamber, the end inside of jar at the bottom of the rock core; The end upper inside wall in jar chamber has annular groove; End jar external thread is arranged on the upper outside face of jar at the bottom of the rock core and be installed with the rock core pressure cap, air admission hole inner and the annular groove intracavity inter-connection is arranged at the left outer top of jar at the bottom of the rock core, and the outside right lower quadrant of jar has the inner inlet opening that is connected with jar chamber, the end at the bottom of the rock core; The inner fluid hole that is connected with jar chamber, the end is arranged at the left outer bottom of jar at the bottom of the rock core; The taphole that middle part, the bottom surface of jar has the upper end to be connected with jar chamber, the end at the bottom of the rock core, the lower end of sealing socket is sitting on the bottom surface of annular groove, and there is the carriage that can place the rock core post inside of sealing socket; The dividing plate ring set is positioned at the jar chamber, the end of sealing socket bottom, from top to bottom is fixed with semi-permeable dividing plate in the inner chamber of dividing plate ring set successively, filters cushion and pressure-bearing pad; Advance the seal closure bottom to be sleeved in the inner chamber of annular groove and be fixed at the bottom of the rock core on the jar through the rock core pressure cap; Advance the inside of seal closure that the container cavity that can hold the rock core post is arranged, the roof middle part of container cavity is installed with the lower end and can the rock core post be pressed on the spring on the carriage; Advance the outer lower portion of seal closure propelling cover seal groove to be arranged and the propelling cover O-ring seal that can make maintenance sealing between propelling seal closure lateral surface and the annular groove sidewall is installed; Envelope seat seal groove is arranged on the lateral surface of sealing socket and be equipped with to make and advance the envelope seat O-ring seal that keeps sealing between sealing socket lateral surface and the annular groove sidewall; The diaphragm housing ring water jacket is arranged on the upper outside face of dividing plate ring set and be equipped with to make the diaphragm housing ring exterior seal ring that keeps sealing between the dividing plate ring set outside and the end jar cavity wall, the diaphragm housing ring inside groove is arranged on the upper inside wall of dividing plate ring set and be equipped with to make the diaphragm housing ring inner seal ring that keeps sealing between dividing plate ring set inwall and the semi-permeable dividing plate lateral surface.
above-mentioned fluid WT-MSR can comprise liquid trap, surveys the liquid air release, surveys liquid feed liquor valve, surveys the liquid sensor and survey the liquid bleeder valve; Liquid trap is fixedly mounted on the frame of workbench bottom; The upper end of liquid trap is installed with surveys the liquid air release; The left outer bottom of liquid trap is installed with surveys liquid feed liquor valve; The outside right lower quadrant of liquid trap is installed with surveys the liquid sensor, and the lower end of liquid trap is installed with surveys the liquid bleeder valve.
above-mentioned workbench bottom can be equipped with thermostat and constant humidity device; Thermostat comprises electric heater, and electric heater is fixedly mounted on the frame of bottom, workbench left side; The constant humidity device comprises humidification nozzle and gas humidifier; The humidification nozzle is fixedly mounted on the frame of bottom, workbench left side; The gas humidification device is fixedly mounted on the frame of articles holding table below; The outlet of gas humidification device is connected through the air intake opening of tracheae with the humidification nozzle, and the gas outlet of humidification nozzle is positioned on the workbench upper surface.
above-mentioned display device can comprise temperature control display, wet control display, gas control pressure display unit and gas drive pressure display unit; Temperature control display, wet control display are fixedly mounted on down the left part top and the left part bottom of guidance panel respectively, and gas control pressure display unit and gas drive pressure display unit are fixedly mounted on down the right part top and the right part bottom of guidance panel respectively.
above-mentioned guidance panel down middle part can be installed with digital electric bridge; Advance electrode and plunger electrode to be electrically connected through the signal input terminal of electrode cable and digital electric bridge respectively, the signal input terminal of computing machine and the lead-out terminal of digital electric bridge are electrically connected.
above-mentioned transverse frame plate bottom can be equipped with scavenger fan.
reasonable and compact in structure of the present invention, easy to use, its have simple and quick, efficiency of measurement is high, rock core capillary pressure and resistivity measurement is reliable and stable, measure accurately, the characteristics of simple and effective.
Description of drawings
accompanying drawing 1 is looked the broken section structural representation for the master of most preferred embodiment of the present invention.
accompanying drawing 2 is the main TV structure synoptic diagram of the core holding unit in the accompanying drawing 1.
accompanying drawing 3 is the sectional structure synoptic diagram that partly oozes the slate ventricle in the accompanying drawing 1.
accompanying drawing 4 is the main TV structure synoptic diagram of the fluid WT-MSR in the accompanying drawing 1.
Coding in
accompanying drawing is respectively: 1 is core holding unit, and 2 for partly oozing the slate ventricle, and 3 is the fluid WT-MSR, and 4 is computing machine, and 5 is frame, and 6 is transverse frame plate, and 7 is workbench; 8 is articles holding table, and 9 is the rock core post, and 10 for placing the chamber, and 11 ooze pressure regulator valve in being, 12 for height oozes pressure regulator valve, and 13 is the gas control pressure regulator valve, and 14 is the gas drive pressure regulator valve; 15 is last guidance panel, and 16 are following guidance panel, and 17 is quiet air lift pump, and 18 is the gas boosting pump, and 19 is control box, and 20 is grip slipper; 21 is gripper cylinder, and 22 is connecting cylinder, and 23 for advancing electrode, and 24 is insulating boot, and 25 is the plunger electrode, and 26 is hydraulic pressure chamber; 27 is hydraulic pressure transducer, and 28 for pressing down gas admittance valve, and 29 for pressing down atmospheric valve, and 30 for being retracted into air valve, and 31 are the retraction atmospheric valve, and 32 is placing hole; 33 is jar at the bottom of the rock core, and 34 for advancing seal closure, and 35 is the rock core pressure cap, and 36 is sealing socket, and 37 is the dividing plate ring set, and 38 is semi-permeable dividing plate; 39 for filtering cushion, and 40 is the pressure-bearing pad, and 41 is draw-in groove, and 42 is annular groove, and 43 is end jar external thread, and 44 is air admission hole; 45 is inlet opening, and 46 is fluid hole, and 47 is taphole, and 48 is carriage, and 49 is container cavity, and 50 is spring; 51 for advancing the cover O-ring seal, and 52 are envelope seat O-ring seal, and 53 is the diaphragm housing ring exterior seal ring, and 54 is the diaphragm housing ring inner seal ring, and 55 is liquid trap, and 56 for surveying the liquid air release; 57 for surveying liquid feed liquor valve, and 58 for surveying the liquid sensor, and 59 for surveying the liquid bleeder valve, and 60 is electric heater, and 61 is the humidification nozzle, and 62 is the gas humidification device; 63 are the temperature control display, and 64 are wet control display, and 65 is the gas control pressure display unit, and 66 is the gas drive pressure display unit, and 67 is digital electric bridge, and 68 is scavenger fan.
Embodiment
the present invention does not receive the restriction of following embodiment, can confirm concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description, as: the position relation of upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with most preferred embodiment and accompanying drawing the present invention is further described:
like accompanying drawing 1,2,3, shown in 4, should half passes through dividing plate rock core capillary pressure resistivity test device and comprises instrument stand, core holding unit 1, partly oozes slate ventricle 2, fluid WT-MSR 3, Regulation Control device, display device, pressure regulation drive unit and computing machine 4; Instrument stand comprises frame 5, transverse frame plate 6, workbench 7 and articles holding table 8; The upper end of frame 5 is fixed with transverse frame plate 6; On the frame 5 of transverse frame plate 6 belows workbench 7 is arranged; On the frame 5 of workbench 7 forward, lower part articles holding table 8 is arranged; Transverse frame plate 6 lower ends middle parts is installed with the core holding unit 1 that can measure rock core post 9 resistivity, be installed with on the workbench 7 be no less than one can measure rock core post 9 capillary pressures partly ooze slate ventricle 2, be equipped with on the frame 5 of workbench 7 bottoms and can measure the corresponding fluid WT-MSR 3 that partly oozes rock core post 9 liquid outlet quantity in the slate ventricle 2; The placement chamber 10 that can keep in rock core post 9 is installed on the articles holding table 8; Articles holding table 8 front portions are equipped with display device, on the frame 5 of articles holding table 8 bottoms the pressure regulation drive unit are installed, and articles holding table 8 right parts are equipped with the computing machine 4 that can gather and handle capillary pressure signal, resistivity signal and liquid outlet quantity signal.Can confirm the saturation degree of a plurality of rock core posts 9 simultaneously through the present invention; Complete saturated rock core post 9 is being carried out in the displacement process; Can be through independently partly oozing slate ventricle 2 to each rock core post 9 independent displacement process of accomplishing; The saturation degree that corresponding fluid WT-MSR 3 can detect each rock core post 9 in real time changes, under the displacement pressure condition of setting, and the liquid outlet quantity of gathering each rock core post 9 through computing machine 4 automatically; When liquid level no longer changes, can handle the saturation degree of confirming tested rock core post 9 by computing machine 4.
Can pass through dividing plate rock core capillary pressure resistivity test device to above-mentioned half and do further to optimize according to actual needs or/and improve:
are shown in accompanying drawing 1; Ooze pressure regulator valve 11 during the Regulation Control device comprises, height oozes pressure regulator valve 12, gas control pressure regulator valve 13 and gas drive pressure regulator valve 14; Frame 5 front portions of workbench 7 belows are fixed with guidance panel 15; The left part of last guidance panel 15 be equipped with can independently control partly ooze slate ventricle 2 work in ooze pressure regulator valve 11; The right part of last guidance panel 15 is equipped with the independent height that partly oozes 2 work of slate ventricle of controlling and oozes pressure regulator valve 12, and frame 5 front portions of articles holding table 8 belows are fixed with down guidance panel 16, and the middle part of following guidance panel 16 is equipped with the gas control pressure regulator valve 13 and gas drive pressure regulator valve 14 that can control core holding unit 1 respectively; The pressure regulation drive unit comprises quiet air lift pump 17, gas boosting pump 18 and control box 19, and quiet air lift pump 17, gas boosting pump 18 and control box 19 are fixedly mounted on respectively on the frame 5 of articles holding table 8 belows.
shown in accompanying drawing 2, rock core core holding unit 1 comprises grip slipper 20, gripper cylinder 21, connecting cylinder 22, clamping cylinder piston rod, advances electrode 23, insulating boot 24, plunger electrode 25, hydraulic pressure chamber 26, hydraulic pressure transducer 27, presses down gas admittance valve 28, presses down atmospheric valve 29, is retracted into air valve 30 and retraction atmospheric valve 31; The upper end of grip slipper 20 is fixedly mounted on middle part, transverse frame plate 6 lower ends; The lower end of grip slipper 20 is installed with gripper cylinder 21; The clamping cylinder piston rod that can stretch out is downwards arranged at the bottom of gripper cylinder 21; The cylinder body lower end of gripper cylinder 21 is fixedly connected with insulating boot 24 through connecting cylinder 22, and there is placed cavity the inside of insulating boot 24, and the lower end of clamping cylinder piston rod extends placed cavity inside and is installed with and advances electrode 23; There is the inner placing hole 32 that is connected with placed cavity the front portion of insulating boot 24, and the bottom of placed cavity is equipped with plunger electrode 25; The bottom of insulating boot 24 is installed with hydraulic pressure chamber 26; There is hydraulic cavities the inside of hydraulic pressure chamber 26; There is the pressure measurement plunger lower end of plunger electrode 25; The pressure measurement plunger is positioned at hydraulic cavities inside and can moves up and down, and the outer lower portion of hydraulic pressure chamber 26 is equipped with the hydraulic pressure transducer 27 that can detect hydraulic cavities internal liquid pressure; The upper right of gripper cylinder 21 and left side are separately installed with and press down gas admittance valve 28 and press down atmospheric valve 29, and the right side, bottom of gripper cylinder 21 and left side are separately installed with and are retracted into air valve 30 and retraction atmospheric valve 31.Make through the Regulation Control device and to press down gas admittance valve 28 and open, press down atmospheric valve 29 and close gripper cylinder 21 work that makes; The clamping cylinder piston rod drives and advances electrode 23 to move down; Advance electrode 23 lower ends, plunger electrode 25 upper ends respectively with the resistivity of the upper and lower end face coupling measurement rock core post 9 of rock core post 9; Computing machine 4 is gathered capillary pressure and rock core resistivity automatically, and after test finished, the Regulation Control device made and is retracted into air valve 30 atmospheric valve 31 of opening, bounce back and closes and make gripper cylinder 21 work; The clamping cylinder piston rod drives to advance on the electrode 23 and moves, so that take out and change rock core post 9.
are oozed partly that slate ventricle 2 comprises jar 33 at the bottom of the rock core, advances seal closure 34, rock core pressure cap 35, sealing socket 36, dividing plate ring set 37, semi-permeable dividing plate 38, are filtered cushion 39 and pressure-bearing pad 40 shown in accompanying drawing 3; The outer middle side part of jar 33 has draw-in groove 41 and is fixedly mounted on the workbench 7 through draw-in groove 41 at the bottom of the rock core; There is jar chamber, the end inside of jar 33 at the bottom of the rock core; The upper inside wall in jar chamber, the end has annular groove 42; End jar external thread 43 is arranged on the upper outside face of jar 33 at the bottom of the rock core and be installed with rock core pressure cap 35, air admission holes 44 inner and annular groove 42 intracavity inter-connections are arranged at the left outer top of jar 33 at the bottom of the rock core, and the outside right lower quadrant of jar 33 has the inner inlet opening 45 that is connected with jar chamber, the end at the bottom of the rock core; The inner fluid hole 46 that is connected with jar chamber, the end is arranged at the left outer bottom of jar 33 at the bottom of the rock core; The taphole 47 that middle part, the bottom surface of jar 33 has the upper end to be connected with jar chamber, the end at the bottom of the rock core, the lower end of sealing socket 36 is sitting on the bottom surface of annular groove 42, and there is the carriage 48 that can place rock core post 9 inside of sealing socket 36; Dividing plate ring set 37 is positioned at the jar chamber, the end of sealing socket 36 bottoms, from top to bottom is fixed with semi-permeable dividing plate 38 in the inner chamber of dividing plate ring set 37 successively, filters cushion 39 and pressure-bearing pad 40; Advance seal closure 34 bottoms to be sleeved in the inner chamber of annular groove 42 and be fixed at the bottom of the rock core on the jar 33 through rock core pressure cap 35; Advance the inside of seal closure 34 that the container cavity 49 that can hold rock core post 9 is arranged, the roof middle part of container cavity 49 is installed with the lower end and can rock core post 9 be pressed on the spring 50 on the carriage 48; Advance the outer lower portion of seal closure 34 propelling cover seal groove to be arranged and the propelling cover O-ring seal 51 that can make maintenance sealing between propelling seal closure 34 lateral surfaces and annular groove 42 sidewalls is installed; Envelope seat seal groove is arranged on the lateral surface of sealing socket 36 and be equipped with to make and advance the envelope seat O-ring seal 52 that keeps sealing between sealing socket 36 lateral surfaces and annular groove 42 sidewalls; The diaphragm housing ring water jacket is arranged on the upper outside face of dividing plate ring set 37 and be equipped with to make the diaphragm housing ring exterior seal ring 53 that keeps sealing between dividing plate ring set 37 outsides and the end jar cavity wall, the diaphragm housing ring inside groove is arranged on the upper inside wall of dividing plate ring set 37 and be equipped with to make the diaphragm housing ring inner seal ring 54 that keeps sealing between dividing plate ring set 37 inwalls and semi-permeable dividing plate 38 lateral surfaces.Each partly oozes slate ventricle 2 is independently displacement systems, can ooze pressure regulator valve 12 adjusting control displacement pressures with height through oozing pressure regulator valve 11 in corresponding, and be connected with corresponding fluid WT-MSR 3.According to the different displacement pressure of different set of rock core post 9 penetrating powers, displacement pressure imports computing machine 4 into by pressure transducer, and then determines the displacement pressure of rock core post 9 under certain saturation degree, the both capillary pressure of rock core post 9.
shown in accompanying drawing 4, fluid WT-MSR 3 comprises liquid trap 55, surveys liquid air release 56, surveys liquid feed liquor valve 57, surveys liquid sensor 58 and surveys liquid bleeder valve 59; Liquid trap 55 is fixedly mounted on the frame 5 of workbench 7 bottoms; The upper end of liquid trap 55 is installed with surveys liquid air release 56; The left outer bottom of liquid trap 55 is installed with surveys liquid feed liquor valve 57; The outside right lower quadrant of liquid trap 55 is installed with surveys liquid sensor 58, and the lower end of liquid trap 55 is installed with surveys liquid bleeder valve 59.Through the liquid trap on the fluid WT-MSR 3 independently 55 with survey liquid sensor 58, the liquid outlet quantity of gathering each rock core post 9 is confirmed each rock core post 9 saturation degree by computing machine 4 routine processes, and is simple and quick.
shown in accompanying drawing 1, workbench 7 bottoms are equipped with thermostat and constant humidity device; Thermostat comprises electric heater 60, and electric heater 60 is fixedly mounted on the frame 5 of bottom, workbench 7 left side; The constant humidity device comprises humidification nozzle 61 and gas humidifier 62; Humidification nozzle 61 is fixedly mounted on the frame 5 of bottom, workbench 7 left side; Gas humidification device 62 is fixedly mounted on the frame 5 of articles holding table 8 belows; The outlet of gas humidification device 62 is connected through the air intake opening of tracheae with humidification nozzle 61, and the gas outlet of humidification nozzle 61 is positioned on workbench 7 upper surfaces.
shown in accompanying drawing 1, display device comprises temperature control display 63, wet control display 64, gas control pressure display unit 65 and gas drive pressure display unit 66; Temperature control display 63, wet control display 64 are fixedly mounted on down the left part top and the left part bottom of guidance panel 16 respectively, and gas control pressure display unit 65 is following with right part top and right part that gas drive pressure display unit 66 is fixedly mounted on down guidance panel 16 respectively.
are shown in accompanying drawing 1; Following guidance panel 16 middle parts are installed with digital electric bridge 67; Advance electrode 23 and plunger electrode 25 to be electrically connected through the signal input terminal of electrode cable and digital electric bridge 67 respectively, the lead-out terminal of the signal input terminal of computing machine 4 and digital electric bridge 67 is electrically connected.
shown in accompanying drawing 1, transverse frame plate 6 bottoms are equipped with scavenger fan 68.
above technical characterictic has constituted most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The course of work of
most preferred embodiment of the present invention is: at first opening device, digital electric bridge 67 and computing machine 4 power supplys, regulate gas control pressure regulator valve 13, gas drive pressure regulator valve 14 to set pressure, and start computing machine 4 controls, collection, handling procedure; The setting device temperature humidity; Adjustment goes out liquid trap 55 liquid level null values, a plurality of saturated rock cores is put into rock core resistivity core holding unit 1 one by one measure, after measuring rock core and confirming partly to ooze slate ventricle 2 and number; Put into rock core resistivity core holding unit 1; Advance electrode 23 and rock core to be coupled to the coupling pressure of setting, the rock core resistivity data imports computing machine 4 into by digital electric bridge 67, by the variation of computing machine 4 monitoring rock core resistivity; Treat rock core resistance value rate stablize constant after, gather, handle by computing machine 4; Then; A plurality of saturated rock cores are oozed the slate ventricle 2 corresponding one by one input computers 4 of numbering according to rock core numbering and semi-permeable dividing plate 38 half and the semi-permeable dividing plate 38 half of packing into oozes slate ventricle 2, according to measure the rock core physical property characteristic by in ooze pressure regulator valve 11 and ooze pressure regulator valve 12 independent regulation displacement pressure separately with height; Open the feed liquor valve, from the motion tracking liquid level, import liquid level into computing machine 4 through liquid level sensor, when liquid trap 55 liquid levels were constant, computing machine 4 was gathered the data of this moment, obtains rock core capillary pressure, saturation degree.The rock core of confirming capillary pressure, saturation degree is oozed slate ventricle 2 from semi-permeable dividing plate 38 half to be taken out; After confirming partly to ooze slate ventricle 2 numberings, put into rock core resistivity core holding unit 1, advance electrode 23 and rock core to be coupled to the coupling pressure of setting; The rock core resistivity data imports computing machine 4 into by digital electric bridge 67; By the variation of computing machine 4 monitoring rock core resistivity, treat rock core resistance value rate stablize constant after, gather, handle by computing machine 4.Oozing slate ventricle 2 according to rock core numbering and semi-permeable dividing plate 38 half numbers one to one the rock core semi-permeable dividing plate 38 half of packing into and oozes slate ventricle 2.By in ooze pressure regulator valve 11 and height and ooze pressure regulator valve 12 and increase and regulate displacement pressures, open the feed liquor valve, liquid level sensor is from the motion tracking liquid level; Import liquid level into computing machine 4; When liquid trap 55 liquid levels were constant, computing machine 4 was gathered the data of this moment, obtains rock core capillary pressure, saturation degree; The rock core of confirming capillary pressure, saturation degree is oozed slate ventricle 2 from semi-permeable dividing plate 38 half to be taken out; After confirming partly to ooze slate ventricle 2 numberings, put into rock core resistivity core holding unit 1, advance electrode 23 and rock core to be coupled to the coupling pressure of setting; The rock core resistivity data imports computing machine 4 into by digital electric bridge 67; By the variation of computing machine 4 monitoring rock core resistivity, treat rock core resistance value rate stablize constant after, gather, handle by computing machine 4.Oozing slate ventricle 2 according to rock core numbering and semi-permeable dividing plate 38 half numbers one to one the heart semi-permeable dividing plate 38 half of packing into and oozes slate ventricle 2.By in ooze pressure regulator valve 11 and height and ooze pressure regulator valve 12 and increase and regulate displacement pressures, repeat above operation, until increase regulate displacement pressure after, rock core is water outlet no longer, this measures end.
Claims (10)
1. one and half pass through dividing plate rock core capillary pressure resistivity test device, it is characterized in that comprising instrument stand, core holding unit, partly ooze slate ventricle, fluid WT-MSR, Regulation Control device, display device, pressure regulation drive unit and computing machine; Instrument stand comprises frame, transverse frame plate, workbench and articles holding table; The upper end of frame is fixed with transverse frame plate; On the frame of transverse frame plate below workbench is arranged; On the frame of workbench forward, lower part articles holding table is arranged; Transverse frame plate lower end middle part is installed with the core holding unit that can measure rock core columnar resistance rate, be installed with on the workbench be no less than one can measure rock core post capillary pressure partly ooze the slate ventricle, be equipped with on the frame of workbench bottom and can measure the corresponding fluid WT-MSR that partly oozes rock core post liquid outlet quantity in the slate ventricle; The placement chamber that can keep in the rock core post is installed on the articles holding table; The articles holding table front portion is equipped with display device, and the pressure regulation drive unit is installed on the frame of articles holding table bottom, and the articles holding table right part is equipped with the computing machine that can gather and handle capillary pressure signal, resistivity signal and liquid outlet quantity signal.
2. according to claim 1 half passes through dividing plate rock core capillary pressure resistivity test device; It is characterized in that the Regulation Control device oozes pressure regulator valve in comprising, height oozes pressure regulator valve, gas control pressure regulator valve and gas drive pressure regulator valve; The frame front of workbench below is fixed with guidance panel; The left part of last guidance panel be equipped with can independently control partly ooze the work of slate ventricle in ooze pressure regulator valve; The right part of last guidance panel is equipped with the independent height that partly oozes the work of slate ventricle of controlling and oozes pressure regulator valve, and the frame front of articles holding table below is fixed with down guidance panel, and the middle part of following guidance panel is equipped with gas control pressure regulator valve and the gas drive pressure regulator valve that can control core holding unit respectively; The pressure regulation drive unit comprises quiet air lift pump, gas boosting pump and control box, and quiet air lift pump, gas boosting pump and control box are fixedly mounted on respectively on the frame of articles holding table below.
3. according to claim 2 half passes through dividing plate rock core capillary pressure resistivity test device, it is characterized in that core holding unit comprises grip slipper, gripper cylinder, connecting cylinder, clamping cylinder piston rod, advances electrode, insulating boot, plunger electrode, hydraulic pressure chamber, hydraulic pressure transducer, presses down gas admittance valve, presses down atmospheric valve, is retracted into air valve and retraction atmospheric valve; The upper end of grip slipper is fixedly mounted on middle part, transverse frame plate lower end; The lower end of grip slipper is installed with gripper cylinder, and the clamping cylinder piston rod that can stretch out is downwards arranged at the bottom of gripper cylinder, and the cylinder body lower end of gripper cylinder is fixedly connected with insulating boot through connecting cylinder; There is placed cavity the inside of insulating boot; The lower end of clamping cylinder piston rod extends placed cavity inside and is installed with the propelling electrode, and there is the inner placing hole that is connected with placed cavity the front portion of insulating boot, and the bottom of placed cavity is equipped with the plunger electrode; The bottom of insulating boot is installed with hydraulic pressure chamber; There is hydraulic cavities the inside of hydraulic pressure chamber; There is the pressure measurement plunger lower end of plunger electrode, and the pressure measurement plunger is positioned at hydraulic cavities inside and can moves up and down, and the outer lower portion of hydraulic pressure chamber is equipped with the hydraulic pressure transducer that can detect hydraulic cavities internal liquid pressure; The upper right of gripper cylinder and left side are separately installed with and press down gas admittance valve and press down atmospheric valve, and the right side, bottom of gripper cylinder and left side are separately installed with and are retracted into air valve and retraction atmospheric valve.
4. according to claim 3 half passes through dividing plate rock core capillary pressure resistivity test device, it is characterized in that partly oozing the slate ventricle and comprises jar at the bottom of the rock core, advances seal closure, rock core pressure cap, sealing socket, dividing plate ring set, semi-permeable dividing plate, filters cushion and pressure-bearing pad; The outer middle side part of jar has draw-in groove and is fixedly mounted on the workbench through draw-in groove at the bottom of the rock core; There is jar chamber, the end inside of jar at the bottom of the rock core; The end upper inside wall in jar chamber has annular groove; End jar external thread is arranged on the upper outside face of jar at the bottom of the rock core and be installed with the rock core pressure cap, air admission hole inner and the annular groove intracavity inter-connection is arranged at the left outer top of jar at the bottom of the rock core, and the outside right lower quadrant of jar has the inner inlet opening that is connected with jar chamber, the end at the bottom of the rock core; The inner fluid hole that is connected with jar chamber, the end is arranged at the left outer bottom of jar at the bottom of the rock core; The taphole that middle part, the bottom surface of jar has the upper end to be connected with jar chamber, the end at the bottom of the rock core, the lower end of sealing socket is sitting on the bottom surface of annular groove, and there is the carriage that can place the rock core post inside of sealing socket; The dividing plate ring set is positioned at the jar chamber, the end of sealing socket bottom, from top to bottom is fixed with semi-permeable dividing plate in the inner chamber of dividing plate ring set successively, filters cushion and pressure-bearing pad; Advance the seal closure bottom to be sleeved in the inner chamber of annular groove and be fixed at the bottom of the rock core on the jar through the rock core pressure cap; Advance the inside of seal closure that the container cavity that can hold the rock core post is arranged, the roof middle part of container cavity is installed with the lower end and can the rock core post be pressed on the spring on the carriage; Advance the outer lower portion of seal closure propelling cover seal groove to be arranged and the propelling cover O-ring seal that can make maintenance sealing between propelling seal closure lateral surface and the annular groove sidewall is installed; Envelope seat seal groove is arranged on the lateral surface of sealing socket and be equipped with to make and advance the envelope seat O-ring seal that keeps sealing between sealing socket lateral surface and the annular groove sidewall; The diaphragm housing ring water jacket is arranged on the upper outside face of dividing plate ring set and be equipped with to make the diaphragm housing ring exterior seal ring that keeps sealing between the dividing plate ring set outside and the end jar cavity wall, the diaphragm housing ring inside groove is arranged on the upper inside wall of dividing plate ring set and be equipped with to make the diaphragm housing ring inner seal ring that keeps sealing between dividing plate ring set inwall and the semi-permeable dividing plate lateral surface.
5. according to claim 4 half passes through dividing plate rock core capillary pressure resistivity test device, it is characterized in that the fluid WT-MSR comprises liquid trap, surveys the liquid air release, surveys liquid feed liquor valve, surveys the liquid sensor and surveys the liquid bleeder valve; Liquid trap is fixedly mounted on the frame of workbench bottom; The upper end of liquid trap is installed with surveys the liquid air release; The left outer bottom of liquid trap is installed with surveys liquid feed liquor valve; The outside right lower quadrant of liquid trap is installed with surveys the liquid sensor, and the lower end of liquid trap is installed with surveys the liquid bleeder valve.
6. pass through dividing plate rock core capillary pressure resistivity test device according to claim 1 or 2 or 3 or 4 or 5 described half, it is characterized in that the workbench bottom is equipped with thermostat and constant humidity device; Thermostat comprises electric heater, and electric heater is fixedly mounted on the frame of bottom, workbench left side; The constant humidity device comprises humidification nozzle and gas humidifier; The humidification nozzle is fixedly mounted on the frame of bottom, workbench left side; The gas humidification device is fixedly mounted on the frame of articles holding table below; The outlet of gas humidification device is connected through the air intake opening of tracheae with the humidification nozzle, and the gas outlet of humidification nozzle is positioned on the workbench upper surface.
7. according to claim 6 half passes through dividing plate rock core capillary pressure resistivity test device, it is characterized in that display device comprises temperature control display, wet control display, gas control pressure display unit and gas drive pressure display unit; Temperature control display, wet control display are fixedly mounted on down the left part top and the left part bottom of guidance panel respectively, and gas control pressure display unit and gas drive pressure display unit are fixedly mounted on down the right part top and the right part bottom of guidance panel respectively.
8. according to claim 7 half passes through dividing plate rock core capillary pressure resistivity test device; It is characterized in that the guidance panel middle part is installed with digital electric bridge down; Advance electrode and plunger electrode to be electrically connected through the signal input terminal of electrode cable and digital electric bridge respectively, the signal input terminal of computing machine and the lead-out terminal of digital electric bridge are electrically connected.
9. pass through dividing plate rock core capillary pressure resistivity test device according to claim 1 or 2 or 3 or 4 or 5 described half, it is characterized in that the transverse frame plate bottom is equipped with scavenger fan.
10. according to claim 8 half passes through dividing plate rock core capillary pressure resistivity test device, it is characterized in that the transverse frame plate bottom is equipped with scavenger fan.
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| CN201110327643.3A CN102519831B (en) | 2011-10-26 | 2011-10-26 | Semi-permeable partition rock core capillary pressure and resistivity measuring device |
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| CN201110327643.3A CN102519831B (en) | 2011-10-26 | 2011-10-26 | Semi-permeable partition rock core capillary pressure and resistivity measuring device |
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| CN102519831B CN102519831B (en) | 2014-07-02 |
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Cited By (8)
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| CN103293382A (en) * | 2013-05-31 | 2013-09-11 | 中国石油集团西部钻探工程有限公司 | Fluid displacing and draining electrode |
| CN105606787A (en) * | 2015-12-31 | 2016-05-25 | 中国石油天然气股份有限公司 | Core capillary pressure curve testing device and method |
| CN106324214A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Major-diameter core capillary pressure curve and bound water saturation measuring apparatus |
| CN108414307A (en) * | 2018-01-30 | 2018-08-17 | 成都理工大学 | A kind of sandpack column compacting and capillary pressure curve test device in situ |
| CN108827853A (en) * | 2018-05-22 | 2018-11-16 | 西南石油大学 | Compact reservoir rock electrical measurement and measurement method based on nuclear magnetic resonance |
| CN109667575A (en) * | 2018-10-24 | 2019-04-23 | 西南石油大学 | A kind of novel probe method well pattern model waterflooding effect measuring device |
| CN113029898A (en) * | 2021-02-22 | 2021-06-25 | 西南石油大学 | Device and method for testing dynamic flow conductivity of crack and gas supply capacity of bedrock |
| US11415721B2 (en) | 2018-06-05 | 2022-08-16 | Petrochina Company Limited | Resistivity measurement method, device and system |
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| CN103293382A (en) * | 2013-05-31 | 2013-09-11 | 中国石油集团西部钻探工程有限公司 | Fluid displacing and draining electrode |
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| CN106324214A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Major-diameter core capillary pressure curve and bound water saturation measuring apparatus |
| CN105606787A (en) * | 2015-12-31 | 2016-05-25 | 中国石油天然气股份有限公司 | Core capillary pressure curve testing device and method |
| CN105606787B (en) * | 2015-12-31 | 2018-01-05 | 中国石油天然气股份有限公司 | Rock core capillary pressure curve test device and method |
| CN108414307A (en) * | 2018-01-30 | 2018-08-17 | 成都理工大学 | A kind of sandpack column compacting and capillary pressure curve test device in situ |
| CN108827853A (en) * | 2018-05-22 | 2018-11-16 | 西南石油大学 | Compact reservoir rock electrical measurement and measurement method based on nuclear magnetic resonance |
| CN108827853B (en) * | 2018-05-22 | 2024-02-06 | 西南石油大学 | Nuclear magnetic resonance-based tight reservoir rock electric measurement device and measurement method |
| US11415721B2 (en) | 2018-06-05 | 2022-08-16 | Petrochina Company Limited | Resistivity measurement method, device and system |
| CN109667575A (en) * | 2018-10-24 | 2019-04-23 | 西南石油大学 | A kind of novel probe method well pattern model waterflooding effect measuring device |
| CN109667575B (en) * | 2018-10-24 | 2022-04-29 | 西南石油大学 | Probe method well pattern model water drive effect measuring device |
| CN113029898A (en) * | 2021-02-22 | 2021-06-25 | 西南石油大学 | Device and method for testing dynamic flow conductivity of crack and gas supply capacity of bedrock |
| CN113029898B (en) * | 2021-02-22 | 2022-04-15 | 西南石油大学 | Device and method for testing dynamic flow conductivity of crack and gas supply capacity of bedrock |
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