CN102539112A - System for imitating rising rule of bottom water based on bottom water gas reservoir - Google Patents
System for imitating rising rule of bottom water based on bottom water gas reservoir Download PDFInfo
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- CN102539112A CN102539112A CN2012100288236A CN201210028823A CN102539112A CN 102539112 A CN102539112 A CN 102539112A CN 2012100288236 A CN2012100288236 A CN 2012100288236A CN 201210028823 A CN201210028823 A CN 201210028823A CN 102539112 A CN102539112 A CN 102539112A
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Abstract
The invention provides a system for imitating a rising rule of bottom water based on a bottom water gas reservoir. The system comprises a full-diameter rock core 101, a full-diameter rock core clamp holder 102, a gas tank 103, an international standard classification of occupations (ISCO) pump 104, a high-pressure quality control flow meter 105 and a pressure sensor 106, wherein the gas tank 103 is connected with an inlet end of the full-diameter rock core clamp holder 102 and is used for performing gas injection pressurization on the full-diameter rock core 101 to form the gas reservoir; the ISCO pump 104 is connected with the inlet end of the full-diameter rock core clamp holder 102, and is used for determining the absorption amount of water according to the magnification of a gas reservoir water body and pressurizing the gas reservoir to the original gas reservoir pressure to form a bottom water imitation system; the high-pressure quality control flow meter 105 is connected with an outlet end of the full-diameter rock core clamp holder 102 and is used for constant flow exploitation; and the pressure sensor 106 is connected with the outlet end of the full-diameter rock core clamp holder 102 and is used for measuring the outlet pressure of the full-diameter rock core 101. Due to the adoption of the system for imitating the rising rule of the bottom water based on the bottom water gas reservoir, exploitation characteristics and water invasion rules of the bottom water gas reservoir can be analyzed.
Description
Technical field
The invention relates to end aqueous vapor and hide the multiwell development technology, particularly about a kind of end rule simulation system that rises waterborne of hiding based on end aqueous vapor.
Background technology
Because maximum along borehole axis directional pressure gradient, end water can be to the shaft bottom water coning in the end aqueous vapor plant performance history, and bottom water coning speed directly has influence on end aqueous vapor and hides anhydrous gas production phase and final development effectiveness.Correct understanding end aqueous vapor is hidden the end rule that rises waterborne, hides development plan for formulating aqueous vapor of the rational end, and aqueous vapor is hidden and had very important directive significance at the bottom of the good development.
The end rule that rises waterborne generally adopts method for numerical simulation in the performance history of research end aqueous vapor Tibetan at present, and the shortcoming of this method is that computation model is too idealized, does not consider the actual reservoir characteristic.
Summary of the invention
The present invention provides a kind of end rule simulation system that rises waterborne of hiding based on end aqueous vapor, and end aqueous vapor is hidden recovery features and end aqueous vapor is hidden the water enchroachment (invasion) rule to analyze.
To achieve these goals, the present invention provides a kind of end rule simulation system that rises waterborne of hiding based on end aqueous vapor, and this system comprises: full-hole core 101; Full-hole core clamper 102; Gas tank 103, ISCO pump 104, high pressure quality control flowmeter 105 and pressure transducer 106; Described gas tank 103 is connected with described full-hole core clamper 102 inlet ends, is used for forming gas reservoir to described full-hole core 101 gas injections pressurization; Described ISCO pump 104 is connected with described full-hole core clamper 102 inlet ends, confirms to suck the water yield according to gas reservoir water body multiple, and is pressurized to original gas reservoir pressure, forms simulation end water system; Described high pressure quality control flowmeter 105 is connected with described full-hole core clamper 102 endpiece, is used for the constant flow exploitation; Described pressure transducer 106 is connected with described full-hole core clamper 102 endpiece, is used to measure the top hole pressure of said full-hole core 101.
Further, this system also comprises: electrodynamic pump 107, be connected with the side of described full-hole core clamper, and be used to described full-hole core and add confined pressure.
Further, this system also comprises: pressure transducer 108, be connected the side of said full-hole core clamper 102, and be used to measure the confined pressure of said full-hole core 101.
Further, this system also comprises: computing machine 109, be connected with described ISCO pump, and be used to monitor the variation of end water pressure and end water intrusion amount; Computing machine 110 is connected with described pressure transducer 106 and high pressure quality control flowmeter 105, is used to monitor the variation of gas reservoir pressure.
Further, the exit end face of described full-hole core 101 seals with sealing, and said exit end face center, edge drills through the hole of certain depth from the export-oriented said full-hole core of said sealing 101 inside.
Further, the axle of two symmetries is radially welded in the side of said full-hole core clamper 102.
Useful technique effect of the present invention is, utilizes the end rule simulation system that rises waterborne of hiding based on end aqueous vapor of the present invention, can analyze end aqueous vapor and hide recovery features and end aqueous vapor Tibetan water enchroachment (invasion) rule.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the end rule simulation system structural representation that rises waterborne that the embodiment of the invention is hidden based on end aqueous vapor;
Fig. 2 is the structural representation of embodiment of the invention full-hole core;
Fig. 3 is the structural representation of embodiment of the invention full-hole core clamper;
Fig. 4 hides with end aqueous vapor for embodiment of the invention dry gas and hides many well exploitation indicative curve synoptic diagram;
Fig. 5 is that aqueous vapor is hidden multiwell development water enchroachment (invasion) curve at the bottom of the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, the embodiment of the invention is explained further details below in conjunction with accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as to qualification of the present invention.
As shown in Figure 1, present embodiment provides a kind of end rule simulation system that rises waterborne of hiding based on end aqueous vapor, and the rule simulation system that rises waterborne comprises at this end: full-hole core 101; Full-hole core clamper 102; Gas tank 103, ISCO pump 104, high pressure quality control flowmeter 105 and pressure transducer 106.
Described gas tank 103 is connected with described full-hole core clamper 102 inlet ends, is used for forming gas reservoir to described full-hole core 101 gas injections pressurization.
Described ISCO pump 104 is connected with described full-hole core clamper 102 inlet ends, confirms to suck the water yield according to gas reservoir water body multiple, and is pressurized to original gas reservoir pressure, forms simulation end water system.
Described high pressure quality control flowmeter 105 is connected with described full-hole core clamper 102 endpiece through filtrator 111, behind filtrator 111 drainages, is used for the constant flow exploitation.
Described pressure transducer 106 is connected with described full-hole core clamper 102 endpiece, is used to measure the top hole pressure of said full-hole core.
Preferably, as shown in Figure 1, the rule simulation system that rises waterborne can also comprise at the described end: electrodynamic pump 107, be connected with the side of described full-hole core clamper, and be used to described full-hole core and add confined pressure.
As shown in Figure 1, the rule simulation system that rises waterborne also comprises at the described end: pressure transducer 108, be connected the side of said full-hole core clamper 102, and be used to measure the confined pressure of said full-hole core 101.
As shown in Figure 1, the rule simulation system that rises waterborne can also comprise at the described end: computing machine 109 and computing machine 110.
Fig. 2 is the structural representation of embodiment of the invention full-hole core, and the exit end face of described full-hole core 101 is with sealing 201 sealings, and said exit end face center, edge drills through the hole 202 of certain depth from the export-oriented said full-hole core of said sealing inside.The forming process of full-hole core 101 comprises cutting, boring and plastic packaging step, and is specific as follows:
1) theoretical according to geometric similarity, full-hole core is cut into the rock core of reasonable length, form the simulation gas reservoir
2) drill bit that utilizes diameter 2mm forms the simulation gas well in one section hole of boring certain depth of full-hole core.
3) and utilize AB glue plastic packaging boring one side to remove the hole of boring, form cap rock.
Cutting, boring, full-hole core that plastic packaging is good are put in the core holding unit, at first utilized electrodynamic pump to add confined pressure to full-hole core; Utilize gas tank in full-hole core, to pressurize then, form simulation gas reservoir system.
Preferably; As shown in Figure 3; The side of full-hole core clamper 102 is two axles of symmetry welding radially; Two axles 301 insert respectively in the hole 303 of support 302, make full-hole core clamper 102 to pivot, through rotate full-hole core clamper 102 can simulate various inclination angles at the bottom of aqueous vapor hide.
105 employings of high pressure quality control flowmeter are selected from the Dutch high pressure of producing (40MPa), and high precision (0.8%FS) Bronkhorst quality control flowmeter is realized the constant flow exploitation, are complementary with the production of aqueous vapor of actual end Tibetan is actual better.
ISCO pump 104, experimental system adopt high pressure (10000Psi), the high precision (end rule that rises waterborne in aqueous vapor Tibetan, the end performance history of 0.01 μ l/min～50mL/min) ISCO simulation end water system, and record simulation of U.S.'s import.
The experimentation of the embodiment of the invention is: the full-hole core 101 that the sealing of will holing is good is put into full-hole core clamper 102.Utilize electrodynamic pump 107 to add confined pressure to full-hole core 101 successively, gas tank 103 forms gas reservoir to full-hole core 101 gas injections pressurization.ISCO pump 104 is hidden end water size according to end aqueous vapor and is sucked water a certain amount of, certain salinity, and the original gas reservoir pressure that builds the pressure, and forms simulation end water system.Through the 105 control constant flow gas production of high pressure quality control flowmeter; Utilize the water-bed aqueous vapor of pressure transducer, ISCO and computer monitoring to hide gas reservoir pressure variation in the recovery process, the variation of end water pressure, end water intrusion amount, and end rule and the gas reservoir pressure drop rule of rising waterborne in the record gas production process.
In the embodiment of the invention, the pressure transducer range is 10MPa, and precision is 0.1%.The the highest withstand voltage of high pressure quality control flow is 20MPa, and range is 2000mL/min, and precision is 0.8%.The highest withstand voltage 68MPa of ISCO pump 104, pressure precision are 0.1MPa, flow range 50mL/min, precision 0.5%.
The present invention is familiar with aqueous vapor Tibetan, end recovery features on the one hand through the end rule simulation system that rises waterborne that end aqueous vapor is hidden, and is familiar with end aqueous vapor on the one hand and hides the water enchroachment (invasion) rule, like Fig. 4 and shown in Figure 5.
The beneficial effect of the embodiment of the invention is, utilizes the end rule simulation system that rises waterborne of hiding based on end aqueous vapor of the present invention, can analyze end aqueous vapor and hide recovery features and end aqueous vapor Tibetan water enchroachment (invasion) rule.
Above-described specific embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely specific embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the end rule simulation system that rises waterborne of hiding based on end aqueous vapor is characterized in that described system comprises: full-hole core (101); Full-hole core clamper (102); Gas tank (103), ISCO pump (104), high pressure quality control flowmeter (105) and pressure transducer (106); Wherein
Described gas tank (103) is connected with the inlet end of described full-hole core clamper (102), is used for forming gas reservoir to described full-hole core (101) gas injection pressurization;
Described ISCO pump (104) is connected with described full-hole core clamper (102) inlet end, confirms to suck the water yield according to gas reservoir water body multiple, and is pressurized to original gas reservoir pressure, forms simulation end water system;
Described high pressure quality control flowmeter (105) is connected with described full-hole core clamper (102) endpiece, is used for the constant flow exploitation;
Described pressure transducer (106) is connected with described full-hole core clamper (102) endpiece, is used to measure the top hole pressure of said full-hole core (101).
2. system according to claim 1 is characterized in that, described system also comprises:
Electrodynamic pump (107) is connected with the side of described full-hole core clamper (102), is used to described full-hole core (101) and adds confined pressure.
3. system according to claim 2 is characterized in that, described system also comprises:
Pressure transducer (108) is connected the side of said full-hole core clamper (102), is used to measure the confined pressure of said full-hole core (101).
4. according to claim 1,2 or 3 described systems, it is characterized in that described system also comprises:
Computing machine is connected with described ISCO pump (104), is used to monitor the variation of end water pressure and end water intrusion amount;
Computing machine is connected with described pressure transducer (106) and high pressure quality control flowmeter (105), is used to monitor the variation of gas reservoir pressure.
5. system according to claim 1 is characterized in that, the exit end face of described full-hole core (101) seals with sealing, and said exit end face center, edge drills through the hole of certain depth from the export-oriented said full-hole core (101) of said sealing inside.
6. system according to claim 5 is characterized in that, the axle of two symmetries is radially welded in the side of said full-hole core clamper (102).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210028823.6A CN102539112B (en) | 2012-02-09 | 2012-02-09 | System for imitating rising rule of bottom water based on bottom water gas reservoir |
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| CN201210028823.6A CN102539112B (en) | 2012-02-09 | 2012-02-09 | System for imitating rising rule of bottom water based on bottom water gas reservoir |
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| CN102539112B CN102539112B (en) | 2014-05-14 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293172A (en) * | 2013-05-16 | 2013-09-11 | 中国石油天然气股份有限公司 | CT scanning multi-angle rotatable core holding unit based on top gas injection |
| CN103306651A (en) * | 2013-05-16 | 2013-09-18 | 中国石油天然气股份有限公司 | Multi-angle displacement CT scanning system based on top gas injection |
| CN104141490A (en) * | 2014-07-17 | 2014-11-12 | 中国石油天然气股份有限公司 | Method and device for judging single-well water invasion situation of water-carrying gas reservoir and controlling gas well production |
| CN105604545A (en) * | 2015-12-17 | 2016-05-25 | 中国石油天然气股份有限公司 | Experimental device and method for simulating gas reservoir water invasion |
| CN107905769A (en) * | 2017-11-21 | 2018-04-13 | 中国石油天然气股份有限公司 | Side, the more well production water enchroachment (invasion) physical simulation experiment system and method for bottomwater gas field |
| CN108505987A (en) * | 2018-04-02 | 2018-09-07 | 西南石油大学 | A kind of gas reservoir difference fractue spacing pattern water enchroachment (invasion) experimental provision and method |
| CN113638737A (en) * | 2020-04-23 | 2021-11-12 | 中国石油天然气股份有限公司 | Full-period physical simulation device for edge and bottom water gas reservoir multi-well collaborative development |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293172A (en) * | 2013-05-16 | 2013-09-11 | 中国石油天然气股份有限公司 | CT scanning multi-angle rotatable core holding unit based on top gas injection |
| CN103306651A (en) * | 2013-05-16 | 2013-09-18 | 中国石油天然气股份有限公司 | Multi-angle displacement CT scanning system based on top gas injection |
| CN103293172B (en) * | 2013-05-16 | 2016-01-06 | 中国石油天然气股份有限公司 | Based on the CT scan rotating by multiple angles core holding unit of crestal gas injection |
| CN103306651B (en) * | 2013-05-16 | 2016-03-09 | 中国石油天然气股份有限公司 | Based on the CT scan system of crestal gas injection multi-angle displacement |
| CN104141490A (en) * | 2014-07-17 | 2014-11-12 | 中国石油天然气股份有限公司 | Method and device for judging single-well water invasion situation of water-carrying gas reservoir and controlling gas well production |
| CN104141490B (en) * | 2014-07-17 | 2016-08-31 | 中国石油天然气股份有限公司 | There are the judgement of Gas Reservoirs individual well water enchroachment (invasion) situation and gas well production yield control method and device |
| CN105604545A (en) * | 2015-12-17 | 2016-05-25 | 中国石油天然气股份有限公司 | Experimental device and method for simulating gas reservoir water invasion |
| CN105604545B (en) * | 2015-12-17 | 2019-05-07 | 中国石油天然气股份有限公司 | A kind of experimental provision and method for simulating gas reservoir water enchroachment (invasion) |
| CN107905769A (en) * | 2017-11-21 | 2018-04-13 | 中国石油天然气股份有限公司 | Side, the more well production water enchroachment (invasion) physical simulation experiment system and method for bottomwater gas field |
| CN108505987A (en) * | 2018-04-02 | 2018-09-07 | 西南石油大学 | A kind of gas reservoir difference fractue spacing pattern water enchroachment (invasion) experimental provision and method |
| CN113638737A (en) * | 2020-04-23 | 2021-11-12 | 中国石油天然气股份有限公司 | Full-period physical simulation device for edge and bottom water gas reservoir multi-well collaborative development |
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| CN102539112B (en) | 2014-05-14 |
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