CN201437724U - Three-dimensional high-temperature high-pressure oil-gas migration physical simulation device - Google Patents

Three-dimensional high-temperature high-pressure oil-gas migration physical simulation device Download PDF

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Publication number
CN201437724U
CN201437724U CN2009201093578U CN200920109357U CN201437724U CN 201437724 U CN201437724 U CN 201437724U CN 2009201093578 U CN2009201093578 U CN 2009201093578U CN 200920109357 U CN200920109357 U CN 200920109357U CN 201437724 U CN201437724 U CN 201437724U
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CN
China
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cavity
pressure
oil
dimensional
electrode
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CN2009201093578U
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Chinese (zh)
Inventor
宋岩
柳少波
付晓飞
刘宝和
赵孟军
洪峰
姜林
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中国石油天然气股份有限公司
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Priority to CN2009201093578U priority Critical patent/CN201437724U/en
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Abstract

The utility model relates to the technology of the oil-gas storage, and in particular to a three-dimensional high-temperature high-pressure oil-gas migration physical simulation device which is used for simulating the oil-gas migration and accumulation process of different geologic bodies under the conditions of high temperature and high pressure. The three-dimensional high-temperature high-pressure oil-gas migration physical simulation device at least comprises a model upper seal cover, a model lower seal cover and a model cavity body, wherein the model upper seal cover is connected with the model cavity body through a high-strength bolt, and the model lower seal cover is connected with the model cavity body through a high-strength bolt; the model upper seal cover is connected with a pressure-bearing piston, a plurality of measuring electrode seat mounting holes are uniformly distributed on the model lower seal cover and are used for installing saturation measuring electrode bundles, and the electrode bundle comprises a saturation electrode wire and a saturation concomitant wire; and a geologic model which is filled by loose sand samples can be arranged inside the model cavity body. The device can realize the real-time tracking of the oil-gas migration path under the condition of high temperature and high pressure; moreover the experimental process is environment-friendly and is free from radiation.

Description

Three-dimensional HTHP migration of oil and gas is moved physical simulating device
Technical field
The utility model relates to oil gas and becomes the Tibetan technology, is to be used under the simulate formation high-temperature and high-pressure conditions differently the three-dimensional HTHP migration of oil and gas of the Gas Accumulation process of plastid to move physical simulating device.
Background technology
It is great for its significance on petroleum exploration that oil gas becomes to hide research, and realize under the underground high-temperature and high-pressure conditions that in the laboratory differently the physical analogy of the Gas Accumulation process of plastid is the important topic that oil gas becomes to hide research.It mainly is that mode by CT or nuclear magnetic resonance realizes that it is by a plurality of discontinuous experimental points in the experimentation being scanned, cut into slices, analyzing whole Gas Accumulation process that present three-dimensional HTHP migration of oil and gas is moved physical analogy.This mode is very high to the accuracy of measurement of each experimental point, but mainly has following three problems: 1. experimental cost is very high; 2. can not realize real-time tracing to whole experiment; 3. there is radiation effect in the experimentation, is engaged in this experimental study for a long time, healthy unfavorable to the experimenter.
Summary of the invention
The purpose of this utility model is to provide a kind of low cost, environmental protection, radiationless can moves physical simulating device to the three-dimensional HTHP migration of oil and gas that experimentation carries out real-time tracing.
The utility model provides following technical scheme:
The utility model comprises capping 21 and model cavity 1 under model upper cover 2, the model at least, adopts high-strength bolt 22 to be connected between capping 21 and the model cavity 1 between model upper cover 2 and the model cavity 1 and under the model; Model upper cover 2 is connected with pressure-bearing piston 14, and uniform measurement electrode seat 26 installing holes in the capping 21 under the model are installed saturation ratio measurement electrode bundle 23, and electrode bundle 23 comprises saturation ratio wire electrode 30, saturation ratio companion row silk 31; The geological model of being loaded by loose sand sample 24 can be set in the model cavity 1.
The turning is a fillet around the model cavity interior 1, model cavity 1 interior inwall hacking all around.
1 is equipped with more than one adapter 18 all around in the model cavity, on adapter 18 stainless steel pipeline 17 can be installed, and can be provided with through hole on the stainless steel pipeline 17.
Uniform measurement electrode seat 26 installing holes in the capping 21 under the model; measurement electrode bundle 23 mainly follows silk 31 to form by electrode tip holder 26, sealing ring 29, saturation ratio wire electrode 30 and saturation ratio; saturation ratio wire electrode 30 and saturation ratio follow silk 31 surfaces that insulating protective layer is arranged; only exposed in the part, form electrode pair.
On the electrode tip holder 26 pressure measurement pipeline 33 can also be installed, be connected with external pressure sensor by snap joint 19, end enters model cavity 1 diverse location; Pressure measurement pipeline 33 adopts polytetrafluoroethylsealed sealed ring 34 sealings, and in the pressure measurement end of line filter core 32 is installed.
Pressure measurement pipeline 33 UNICOMs inject or the extraction device.
Saturation ratio wire electrode 30 and pressure measurement pipeline 33 are fixed on by pressure cap 25 and are installed on the electrode tip holder 26, and pressure cap 25 is connected with electrode tip holder 26 spirals, and pressure measurement pipeline 33 and saturation ratio wire electrode 30 cocoas slide up and down.
Upper cover 2 has high-pressure pump interface 16 and is connected with the external high pressure pump, is connected with on the pressure-bearing piston 14 and guides bar 7 into, guides on the bar 7 displacement transducer is installed.
Capping dividing plate 20 down is installed between capping 21 and the model cavity 1 under model, and following capping dividing plate 20 is provided with equally distributed aperture, forms the face infiltration cavity 15 of the confined space, is provided with the sand control screen pack between the capping 21 under following capping dividing plate 20 and the model.
The utility model can be realized the real-time tracing to oil migration path under the high-temperature and high-pressure conditions, and experimentation environmental protection, radiationless.
Description of drawings
Fig. 1 the utility model Facad structure schematic diagram;
Fig. 2 the utility model side structure schematic diagram;
Fig. 3 the utility model saturation ratio electrode bundle structural representation.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer,, and, the utility model is further described with reference to accompanying drawing below in conjunction with specific embodiment.
The utility model comprises capping 21 and model cavity 1 (Fig. 1) under model upper cover 2, the model at least, adopts high-strength bolt 22 to be connected (Fig. 2) between capping 21 and the model cavity 1 between model upper cover 2 and the model cavity 1 and under the model; Model upper cover 2 is connected with pressure-bearing piston 14, is used for the burden pressure of simulated formation, the extruding of implementation model (Fig. 1); Uniform measurement electrode seat 26 installing holes in the capping 21 can be installed saturation ratio measurement electrode bundle under the model, mainly comprise saturation ratio wire electrode 30, saturation ratio companion row silk 31 (Fig. 3); The geological model of being loaded by loose sand sample 24 can be set in the model cavity 1.
The turning is a fillet around the model cavity interior 1, and model cavity 1 interior inwall hacking all around to stop medium along border seepage flow, reduces boundary effect.1 is equipped with more than one adapter 18 all around in the model cavity, on adapter 18 stainless steel pipeline 17 can be installed, and can be provided with through hole on the stainless steel pipeline 17, is used for pressure measurement or injection/extraction.Uniform measurement electrode seat 26 installing holes in the capping 21 under the model; the measurement electrode bundle mainly follows silk 31 to form by electrode tip holder 26, sealing ring 29, saturation ratio wire electrode 30 and saturation ratio; saturation ratio wire electrode 30 and saturation ratio follow silk 31 surfaces that insulating protective layer is arranged; only exposed in the part, form electrode pair.On the electrode tip holder 26 pressure measurement pipeline 33 can also be installed, end is imbedded the diverse location of design in advance, be connected with external pressure sensor by snap joint 19, can monitoring model the pressure of inner ad-hoc location, pressure measurement pipeline 33 adopts polytetrafluoroethylsealed sealed ring 34 sealings, and realizes the pipeline sand control by filter core 32 is installed in the pressure measurement end of line.Pressure measurement pipeline 33 also can be used for injecting or the extraction fluid.Saturation ratio wire electrode 30 and pressure measurement pipeline 33 are fixed on by pressure cap 25 and are installed on the electrode tip holder 26, shed pressure cap 25, use special tool can regulate the piezometer tube line 33 and the depth of saturation ratio wire electrode 30 in model.This device can be connected with the external high pressure pump by high-pressure pump interface 16, and high-pressure pump can quantitatively be exerted pressure to pressure-bearing piston 14; Be connected with on the pressure-bearing piston 14 and guide bar 7 into, guide on the bar 7 displacement transducer is installed, can accurately measure the compacting displacement.Capping dividing plate 20 down is installed between capping 21 and the model cavity 1 under model, following capping dividing plate 20 is provided with equally distributed aperture, form the face infiltration cavity 15 of the confined space, be provided with the sand control screen pack between the capping 21 under following capping dividing plate 20 and the model, in case stop up the duct.
Usually capping 21 is not dismantled with model cavity 1 under the model, and the experiment set-up procedure comprises that mainly the loose sand sample 24 to size fractionated carries out the saturation ratio demarcation; According to geological model saturation ratio measurement electrode bundle (being connected with data acquisition board by cable) is installed; Load geological model; Model upper cover 2 is connected with model cavity 1; The extrusion stress of simulated formation burden pressure is set; Vacuumize; Saturation water.In the experimentation, with the oil gas injection model, the model inner fluid is by the outlet extraction.Because the oil gas poor electric conductivity, the place of hydrocarbon charge forms the blocking-up of signal, and saturation ratio measurement electrode magnitude of voltage increases.According to this principle, in conjunction with the calibration result before the experiment, can judge the position that oil gas migrates to, and form 3-D view by computer software, realize real-time tracing to oil migration path.
Each component part numbers of the utility model Fig. 2 to Fig. 3 is as follows: 1-model cavity, 2-model upper cover, 3-vertical rod; the 4-nut, 5-centralizer, 6-guide ring; the 7-guide peg, 8-dust ring, 9-sealing ring; the 10-supporting positive cover, 11-upper cover dividing plate, 12-sealing ring; 13-piston pressing plate, 14-pressure-bearing piston, 15-face infiltration cavity; 16-high-pressure pump interface, 17-stainless steel pipeline, 18-adapter; 19-snap joint, capping dividing plate under the 20-, capping under the 21-model; the 22-high-strength bolt, 23-saturation ratio electrode bundle, 24-loose sand sample; the 25-pressure cap, 26-electrode tip holder, 27-sealing ring; 28-saturation ratio wire electrode topping, the 29-sealing ring 15 * 1.9,30-saturation ratio wire electrode, the 31-saturation ratio is followed silk, and 32-crosses filter core, 33-pressure measurement pipeline 2 * 0.5, the polytetrafluoroethylsealed sealed ring of 34-, 35-sealing ring 4 * 1.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (9)

1. a three-dimensional HTHP migration of oil and gas is moved physical simulating device, at least comprise capping (21) and model cavity (1) under model upper cover (2), the model, it is characterized in that: adopt high-strength bolt (22) to be connected between model upper cover (2) and the model cavity (1) and between capping under the model (21) and the model cavity (1); Model upper cover (2) is connected with pressure-bearing piston (14), and uniform measurement electrode seat (26) installing hole is gone up in capping under the model (21), and saturation ratio measurement electrode bundle (23) is installed, and electrode bundle (23) comprises saturation ratio wire electrode (30), saturation ratio companion's row silk (31); In the model cavity (1) geological model of being loaded by loose sand sample (24) can be set.
2. three-dimensional HTHP migration of oil and gas according to claim 1 is moved physical simulating device, it is characterized in that in the model cavity (1) all around the turning be fillet, in the model cavity (1) around the inwall hacking.
3. three-dimensional HTHP migration of oil and gas according to claim 1 is moved physical simulating device, it is characterized in that (1) is equipped with more than one adapter (18) all around in the model cavity, stainless steel pipeline (17) can be installed on adapter (18), and the stainless steel pipeline can be provided with through hole on (17).
4. three-dimensional HTHP migration of oil and gas according to claim 1 is moved physical simulating device; it is characterized in that measurement electrode bundle (23) mainly by electrode tip holder (26), sealing ring (29), saturation ratio wire electrode (30) and saturation ratio follow the silk (31) form; saturation ratio wire electrode (30) and saturation ratio follow silk (31) surface that insulating protective layer is arranged; only exposed in the part, form electrode pair.
5. move physical simulating device according to claim 1 or 4 described three-dimensional HTHP migration of oil and gas, it is characterized in that on the electrode tip holder (26) pressure measurement pipeline (33) being installed, be connected with external pressure sensor by snap joint (19), end enters model cavity (1) diverse location; Pressure measurement pipeline (33) adopts polytetrafluoroethylsealed sealed ring (34) sealing, and in the pressure measurement end of line filter core (32) is installed.
6. three-dimensional HTHP migration of oil and gas according to claim 5 is moved physical simulating device, it is characterized in that injection of pressure measurement pipeline (33) UNICOM or extraction device.
7. move physical simulating device according to claim 1 or 4 described three-dimensional HTHP migration of oil and gas, it is characterized in that saturation ratio wire electrode (30) and pressure measurement pipeline (33) are fixed on by pressure cap (25) is installed on the electrode tip holder (26), pressure cap (25) is connected with electrode tip holder (26) spiral, and pressure measurement pipeline (33) and saturation ratio wire electrode (30) can slide up and down.
8. three-dimensional HTHP migration of oil and gas according to claim 1 is moved physical simulating device, it is characterized in that upper cover (2) has high-pressure pump interface (16) and is connected with the external high pressure pump, be connected with on the pressure-bearing piston (14) and guide bar (7) into, guide on the bar (7) displacement transducer is installed.
9. three-dimensional HTHP migration of oil and gas according to claim 1 is moved physical simulating device, it is characterized in that capping under model (21) and model cavity 1) between down capping dividing plate (20) is installed, following capping dividing plate (20) is provided with equally distributed aperture, form the face infiltration cavity (15) of the confined space, be provided with the sand control screen pack between the capping (21) under following capping dividing plate (20) and the model.
CN2009201093578U 2009-06-22 2009-06-22 Three-dimensional high-temperature high-pressure oil-gas migration physical simulation device CN201437724U (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102493803A (en) * 2011-12-29 2012-06-13 东北石油大学 Three-axle-table-based oil-gas migration simulator, and simulation experiment method
CN102654050A (en) * 2012-05-18 2012-09-05 北京师范大学 Oil-gas migration and accumulation module for continuous lithologic oil-gas reservoir
CN102720479A (en) * 2012-06-07 2012-10-10 中国石油大学(北京) Physical simulation device for gas-cap reservoir
CN102720481A (en) * 2012-06-25 2012-10-10 张金川 Oil-gas migration and accumulation physical simulation experiment apparatus
CN102777167A (en) * 2012-08-10 2012-11-14 中国石油天然气股份有限公司 Two-dimensional rational extrusion oil gas transporting poly-graphic physical simulation device
CN102797458A (en) * 2012-06-07 2012-11-28 中国石油大学(北京) Three-dimensional simulation device for edge/bottom water reservoir
CN103114850A (en) * 2013-02-28 2013-05-22 西南石油大学 Three-dimensional visual physical simulation experimental device
CN103498668A (en) * 2013-02-28 2014-01-08 西南石油大学 Three-dimensional physical simulation experiment device
CN103512608A (en) * 2012-06-30 2014-01-15 中国石油化工股份有限公司 Horizontal well steam drive three-dimensional physical model adjustable pressure maintaining device and method
CN104594886A (en) * 2014-10-31 2015-05-06 中国石油天然气股份有限公司 Simulation device for oil and gas reservoir type gas storage
CN107288630A (en) * 2017-07-28 2017-10-24 中国地质调查局油气资源调查中心 A kind of gas hydrates develop the control system of analogue experiment installation

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102493803B (en) * 2011-12-29 2012-12-12 东北石油大学 Three-axle-table-based oil-gas migration simulator, and simulation experiment method
CN102493803A (en) * 2011-12-29 2012-06-13 东北石油大学 Three-axle-table-based oil-gas migration simulator, and simulation experiment method
CN102654050A (en) * 2012-05-18 2012-09-05 北京师范大学 Oil-gas migration and accumulation module for continuous lithologic oil-gas reservoir
CN102797458B (en) * 2012-06-07 2016-01-20 中国石油大学(北京) For the three-dimensional simulation device of bottom and edge water
CN102797458A (en) * 2012-06-07 2012-11-28 中国石油大学(北京) Three-dimensional simulation device for edge/bottom water reservoir
CN102720479B (en) * 2012-06-07 2015-12-23 中国石油大学(北京) For the physical simulating device of gas cap reservoir
CN102720479A (en) * 2012-06-07 2012-10-10 中国石油大学(北京) Physical simulation device for gas-cap reservoir
CN102720481A (en) * 2012-06-25 2012-10-10 张金川 Oil-gas migration and accumulation physical simulation experiment apparatus
CN103512608A (en) * 2012-06-30 2014-01-15 中国石油化工股份有限公司 Horizontal well steam drive three-dimensional physical model adjustable pressure maintaining device and method
CN102777167B (en) * 2012-08-10 2016-02-10 中国石油天然气股份有限公司 Two dimension quantitatively can extrude Gas Accumulation visible physical analogue means
CN102777167A (en) * 2012-08-10 2012-11-14 中国石油天然气股份有限公司 Two-dimensional rational extrusion oil gas transporting poly-graphic physical simulation device
CN103498668A (en) * 2013-02-28 2014-01-08 西南石油大学 Three-dimensional physical simulation experiment device
CN103114850B (en) * 2013-02-28 2016-06-01 西南石油大学 A kind of three-dimensional visual physical simulation experimental device
CN103114850A (en) * 2013-02-28 2013-05-22 西南石油大学 Three-dimensional visual physical simulation experimental device
CN104594886A (en) * 2014-10-31 2015-05-06 中国石油天然气股份有限公司 Simulation device for oil and gas reservoir type gas storage
CN107288630A (en) * 2017-07-28 2017-10-24 中国地质调查局油气资源调查中心 A kind of gas hydrates develop the control system of analogue experiment installation

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