CN102720479B - For the physical simulating device of gas cap reservoir - Google Patents
For the physical simulating device of gas cap reservoir Download PDFInfo
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- CN102720479B CN102720479B CN201210187170.6A CN201210187170A CN102720479B CN 102720479 B CN102720479 B CN 102720479B CN 201210187170 A CN201210187170 A CN 201210187170A CN 102720479 B CN102720479 B CN 102720479B
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- accommodating cavity
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Abstract
The present invention is a kind of physical simulating device for gas cap reservoir, and this device is made up of a cubic container; This cubic container comprises the gland that a body and is arranged at bodies top, is provided with accommodating cavity in body, and gland bottom is provided with the piston identical with accommodating cavity opening shape; One sidewall of body is provided with form, and other sidewall of body or bottom surface are provided with multiple poroid functional measurement point; Be full of granular porous medium in accommodating cavity, piston to be stretched in accommodating cavity by accommodating cavity opening part and is installed with on granular porous medium; Cubic container is provided with the injecting hole with accommodating cavity conducting; Multiple tubing string for simulation wellbore hole is provided with in granular porous medium in accommodating cavity.This device can carry out physical simulation experiment to the gas cap reservoir of Different Strata inclination angle, different pneumatic jack index, simulate the gas cap reservoir under different driving mode and different development scheme, thus oil gas water seepage flow mechanism in research gas cap reservoir, carry out the different development scheme effect assessment of gas cap reservoir.
Description
Technical field
The invention relates to a kind of experimental facilities for gas cap reservoir research, particularly relate to a kind of physical simulating device for gas cap reservoir simulated oil air water three phase fluid flow.
Background technology
Three-dimensional oil reservoir physical simulation techniques can reflect subsurface fluid movement rule and extensive use in the oil industry more really, the three dimensional physical experiment carried out both at home and abroad at present has bottom water reservoir experiment, waterflooding extraction simulated experiment etc., but at present both at home and abroad also not for the research of gas cap reservoir three-dimensional physical simulation experiment, mainly owing to lacking corresponding reservoir physical simulation device.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of physical simulating device for gas cap reservoir, to overcome the defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of physical simulating device for gas cap reservoir, to simulate the gas cap reservoir under different driving mode and different development scheme, by the migration rule of the clear observation oil gas water of this device energy, oil gas water seepage flow mechanism in research gas cap reservoir, carries out the different development scheme effect assessment of gas cap reservoir simultaneously.
The object of the present invention is achieved like this, a kind of physical simulating device for gas cap reservoir, and this physical simulating device is made up of a cubic container; This cubic container comprises the gland that a body and is arranged at bodies top, is provided with accommodating cavity in body, and gland bottom is provided with the piston identical with accommodating cavity opening shape; One sidewall of described body is provided with form, and other sidewall of body or bottom surface are provided with multiple poroid functional measurement point, and described functional measurement point and accommodating cavity control conducting; Be full of granular porous medium in described accommodating cavity, described piston to be stretched in accommodating cavity by accommodating cavity opening part and is installed with on granular porous medium; Described cubic container is provided with the injecting hole with accommodating cavity conducting; Multiple tubing string for simulation wellbore hole is provided with in granular porous medium in described accommodating cavity.
In a better embodiment of the present invention, described form is made up of tempered glass.
In a better embodiment of the present invention, described injecting hole to be arranged on gland and to run through piston.
In a better embodiment of the present invention, described granular porous medium is quartz sand or bead.
In a better embodiment of the present invention, described cubic container is arranged on three-dimensional rotation device.
In a better embodiment of the present invention, a simulation wellbore hole connects a functional measurement point, and is linked in sequence in a switch valve and a displacement pump by body.
In a better embodiment of the present invention, described injecting hole is linked in sequence in a gas flow by body and sets instrument and a gas cylinder.
In a better embodiment of the present invention, a device for pressure measurement is connected to a functional measurement point; One saturation measuring device is connected to another functional measurement point; Described device for pressure measurement is connected with computer with saturation measuring device.
In a better embodiment of the present invention, another simulation wellbore hole is connected to another functional measurement point, and is linked in sequence in another switch valve, a back-pressure valve, a gas-liquid separation bottle and a gas flowmeter by body; Described gas-liquid separation bottle is arranged on a balance, and balance is connected to computer.
In a better embodiment of the present invention, a horizontal baffle that inner granular porous medium can be separated up and down is set in described accommodating cavity.
From the above mentioned, the present invention is used for the physical simulating device of gas cap reservoir, physical simulation experiment can be carried out to the gas cap reservoir of Different Strata inclination angle, different pneumatic jack index, simulate the gas cap reservoir under different driving mode and different development scheme, by the migration rule of the clear observation oil gas water of this device energy, and pass through measuring system, can monitor and oil gas water sport rule in record cast and the pressure law of model, thus oil gas water seepage flow mechanism in research gas cap reservoir, carry out the different development scheme effect assessment of gas cap reservoir.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1: the perspective view being used for the physical simulating device of gas cap reservoir for the present invention.
Fig. 2: the side structure schematic diagram being used for the physical simulating device of gas cap reservoir for the present invention.
Fig. 3: the flow chart carrying out saturated oils and saturated air for utilizing physical simulating device of the present invention and test.
Fig. 4: be the flow chart utilizing physical simulating device of the present invention to carry out oil ring extracting experiment.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.
As shown in Figure 1 and Figure 2, the present invention proposes a kind of physical simulating device 100 for gas cap reservoir, and this physical simulating device 100 is made up of a cubic container, and this container has certain bearing capacity; This cubic container comprises the gland 2 that a body 1 and is arranged at body 1 top, and be provided with accommodating cavity 11 in body 1, gland 2 bottom is provided with the piston 6 identical with accommodating cavity 11 opening shape; One sidewall of described body 1 is provided with form 3, and other sidewall of body 1 or bottom surface are provided with multiple poroid functional measurement point 4, and described functional measurement point 4 controls conducting with accommodating cavity 11; Be full of granular porous medium 24 in described accommodating cavity 11, described piston 6 to be stretched in accommodating cavity by accommodating cavity 11 opening part and is installed with on granular porous medium 24; Described cubic container is provided with the injecting hole 7 with accommodating cavity 11 conducting; Multiple tubing string 22 for simulation wellbore hole is provided with in granular porous medium in described accommodating cavity 11.
Further, in the present embodiment, described form 3 is made up of tempered glass 31.Described injecting hole 7 to be arranged on gland 2 and to run through piston 6.Described granular porous medium 24 is quartz sand or bead.
As shown in Figure 3, Figure 4, in the present embodiment, described cubic container is arranged on three-dimensional rotation device 12; One simulation wellbore hole 22 connects a functional measurement point 4, and is linked in sequence in switch valve 10, pressure meter, intermediate receptacle 9 and a displacement pump 8 by body.
In the present embodiment, described injecting hole 7 is linked in sequence in another switch valve 10, gas flow by body and sets instrument 14 and a gas cylinder 13.
In the present embodiment, a device for pressure measurement 15 is connected to a functional measurement point 4; One saturation measuring device 16 is connected to another functional measurement point 4; Described device for pressure measurement 15 is connected with computer 17 with saturation measuring device 16.
In the present embodiment, another simulation wellbore hole 22 is connected to another functional measurement point 4, and is linked in sequence in another switch valve 10, back-pressure valve 21, gas-liquid separation bottle 20 and a gas flowmeter 19 by body; Described gas-liquid separation bottle 20 is arranged on a balance 18, and balance 18 is connected to computer 17.
In the present embodiment, a horizontal baffle 23 that inner granular porous medium about 24 can be separated is set in described accommodating cavity 11.
From the above mentioned, the present invention is used for the physical simulating device of gas cap reservoir, physical simulation experiment can be carried out to the gas cap reservoir of Different Strata inclination angle, different pneumatic jack index, simulate the gas cap reservoir under different driving mode and different development scheme, by the migration rule of the clear observation oil gas water of this device energy, and pass through measuring system, can monitor and oil gas water sport rule in record cast and the pressure law of model, thus oil gas water seepage flow mechanism in research gas cap reservoir, carry out the different development scheme effect assessment of gas cap reservoir.
The concrete use procedure that the present invention is used for the physical simulating device of gas cap reservoir is as follows:
(1) back-up sand:
Physical simulating device 100 is arranged on three-dimensional rotation device 12, described three-dimensional rotation device 12 is existing structure, rotate this physical simulating device 100, the visible surface of physical simulating device 100 is placed upward, successively visual windows 3 and tempered glass 31 are taken off, swivel bolt 5, makes piston 6 move outside device 100 with gland 2 is stressed; By pipeline linkage function survey mark 4 and device for pressure measurement 15, for monitoring the Pressure Variation of physical simulating device 100 inside; Saturation ratio probe is inserted in physical simulating device 100 by another functional measurement point 4, and saturation ratio probe is connected with saturation measuring device 16, for monitoring physical simulating device 100 fluid movement rule; Insert in corresponding functional measurement point 4 by tube wall boring perforated tubing string, simulated production well or Injection Well 22, and on tubing string, load onto switch valve 10, for switch well; In the accommodating cavity 11 of physical simulating device 100, fill up a certain amount of granular porous medium 24, experimentally require this medium of compacting filling; Successively cover tempered glass 31 and visual windows 3; Injecting hole 7 is loaded onto switch valve 10, for switch well; Swivel bolt 5 makes piston 6 and gland 2 is stressed moves towards accommodating cavity 11 direction, further compacting filling medium 24.If desired, a dividing plate 23 can be set in the middle of granular porous medium 24.
(2) saturated oils experiment:
Connect a well 22 place switch valve 10 and intermediate receptacle 9 port of export by pipeline, intermediate receptacle 9 arrival end is connected with displacement pump 8; Open the switch valve 10 at well pipeline and injecting hole 7 place, in physical simulating device 100, saturation simulation oil is injected with certain injection rate by displacement pump 8, until saturated volume required, close well pipeline place switch valve 10, and disconnect the connection of well 22 and intermediate receptacle 9.
(3) saturated air experiment:
By pipeline, the port of export that injecting hole 7 place switch valve 10 and gas flow set instrument 14 is connected, the arrival end that gas cylinder 13 and gas flow set instrument 14 is connected, and gas flow rate is set by gas flow setting instrument 14, open gas cylinder 13, with certain flow rate to injection experiments desired gas in physical simulating device 100, close injecting hole 7 place switch valve 10 after reaching experimental pressure level, and disconnect the connection that injecting hole 7 place switch valve 10 and gas flow set instrument 14.
(4) production simulation (oil ring pneumatic jack extracting experiment):
The well pipeline of displacement pump 8 with simulation water injection well 22 is connected, back-pressure valve 21 arrival end is connected with the well pipeline of simulated production well 22, back-pressure valve 21 port of export connects gas-liquid separation bottle 20 arrival end, gas-liquid separation bottle 20 is placed on balance 18, and gas-liquid separation bottle 20 port of export is connected with wet gas flow meter 19; Connect injecting hole 7 by pipeline and set instrument 14 with gas flow; During experiment, open well pipeline and injecting hole 7 place switch valve 10, and set the flow velocity of the injection flow of displacement pump 8, back-pressure valve 21 inlet port pressure, gas flow setting instrument 14, then can simulate the development process that in gas cap reservoir, water injection well water filling, producing well and gas recovery well are produced.Reading respectively on recording balance 18 and wet gas flow meter 19, can measure oil mass and tolerance that Production Wells goes out.
The foregoing is only the schematic detailed description of the invention of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (10)
1. for a physical simulating device for gas cap reservoir, it is characterized in that: this physical simulating device is made up of a cubic container; This cubic container comprises the gland that a body and is arranged at bodies top, is provided with accommodating cavity in body, and gland bottom is provided with the piston identical with accommodating cavity opening shape; One sidewall of described body is provided with form, and other sidewall of body or bottom surface are provided with multiple poroid functional measurement point, and described functional measurement point and accommodating cavity control conducting; Be full of granular porous medium in described accommodating cavity, described piston to be stretched in accommodating cavity by accommodating cavity opening part and is installed with on granular porous medium; Described cubic container is provided with the injecting hole with accommodating cavity conducting; Multiple tubing string for simulation wellbore hole is provided with in granular porous medium in described accommodating cavity.
2., as claimed in claim 1 for the physical simulating device of gas cap reservoir, it is characterized in that: described form is made up of tempered glass.
3. as claimed in claim 1 for the physical simulating device of gas cap reservoir, it is characterized in that: described injecting hole to be arranged on gland and to run through piston.
4., as claimed in claim 1 for the physical simulating device of gas cap reservoir, it is characterized in that: described granular porous medium is quartz sand or bead.
5., as claimed in claim 1 for the physical simulating device of gas cap reservoir, it is characterized in that: described cubic container is arranged on three-dimensional rotation device.
6., as claimed in claim 1 for the physical simulating device of gas cap reservoir, it is characterized in that: a simulation wellbore hole connects a functional measurement point, and be linked in sequence in a switch valve and a displacement pump by body.
7. as claimed in claim 1 for the physical simulating device of gas cap reservoir, it is characterized in that: described injecting hole is linked in sequence in a gas flow by body and sets instrument and a gas cylinder.
8., as claimed in claim 1 for the physical simulating device of gas cap reservoir, it is characterized in that: a device for pressure measurement is connected to a functional measurement point; One saturation measuring device is connected to another functional measurement point; Described device for pressure measurement is connected with computer with saturation measuring device.
9., as claimed in claim 1 for the physical simulating device of gas cap reservoir, it is characterized in that: another simulation wellbore hole is connected to another functional measurement point, and be linked in sequence in another switch valve, a back-pressure valve, a gas-liquid separation bottle and a gas flowmeter by body; Described gas-liquid separation bottle is arranged on a balance, and balance is connected to computer.
10., as claimed in claim 1 for the physical simulating device of gas cap reservoir, it is characterized in that: a horizontal baffle that inner granular porous medium can be separated up and down is set in described accommodating cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210187170.6A CN102720479B (en) | 2012-06-07 | 2012-06-07 | For the physical simulating device of gas cap reservoir |
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| CN201210187170.6A CN102720479B (en) | 2012-06-07 | 2012-06-07 | For the physical simulating device of gas cap reservoir |
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| CN102720479A CN102720479A (en) | 2012-10-10 |
| CN102720479B true CN102720479B (en) | 2015-12-23 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015985A (en) * | 2012-12-21 | 2013-04-03 | 中国石油大学(北京) | Two-dimensional visual simulation device for inflow performances of horizontal well and vertical well |
| CN103823045B (en) * | 2014-02-26 | 2016-01-20 | 中国海洋石油总公司 | Heavy crude heat extraction logistics organizations produced fluid is separated and gathers metering method and device |
| CN104389592B (en) * | 2014-10-08 | 2017-01-18 | 西南石油大学 | Oil loss evaluation experiment test method for water flooded layer of bottom water condensate gas reservoir with oil rim |
| CN105525912B (en) * | 2016-01-27 | 2019-01-18 | 中国石油大学(北京) | For monitoring the experimental method of artificial gas cap formation |
| CN105525911B (en) * | 2016-01-27 | 2019-01-18 | 中国石油大学(北京) | For monitoring the experimental provision of artificial gas cap formation |
| CN111434889B (en) * | 2019-01-15 | 2023-08-22 | 中国石油天然气股份有限公司 | Method and system for obtaining injection water ratio in oil reservoir with condensate gas cap |
| CN111236899A (en) * | 2020-01-14 | 2020-06-05 | 西南石油大学 | Gas cap oil reservoir development seepage testing method |
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| CN101476458A (en) * | 2008-12-03 | 2009-07-08 | 刘其成 | Oil pool development simulation system, oil pool model body and its data processing method |
| CN201437724U (en) * | 2009-06-22 | 2010-04-14 | 中国石油天然气股份有限公司 | Three-dimensional high-temperature high-pressure oil-gas migration physical simulation device |
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| FR2810736B1 (en) * | 2000-06-23 | 2002-09-20 | Inst Francais Du Petrole | METHOD FOR EVALUATING PHYSICAL PARAMETERS OF A SUBTERRANEAN DEPOSIT FROM ROCK DEBRIS COLLECTED THEREIN |
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