CN103808546B - Rock core find time pressurize saturation system - Google Patents
Rock core find time pressurize saturation system Download PDFInfo
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- CN103808546B CN103808546B CN201410070012.1A CN201410070012A CN103808546B CN 103808546 B CN103808546 B CN 103808546B CN 201410070012 A CN201410070012 A CN 201410070012A CN 103808546 B CN103808546 B CN 103808546B
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- 238000009533 lab test Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The invention discloses rock core find time pressurize saturation system, worktable is provided with control desk, motor, closed chamber, storage tank, vacuum pump and force (forcing) pump, upper working table is arranged on directly over lower floor's worktable, control desk, storage tank and vacuum pump are all arranged in upper working table, motor, closed chamber and force (forcing) pump are arranged between upper working table and lower floor's worktable, bottom is all fixed with lower floor worktable, the top of storage tank is through upper working table, motor, closed chamber, storage tank, vacuum pump and force (forcing) pump are all connected with control desk, vacuum pump is all connected with motor with force (forcing) pump, closed chamber simultaneously and storage tank, vacuum pump is connected with force (forcing) pump.This system, by being combined by all parts, uses vacuum pump set gas clean-up, add high pressure saturated wait measure to make rock core saturated more abundant, make rock core measurement parameter more accurate, help people to the volume analysis in this oil field, region.
Description
Technical field
The present invention relates to a kind of system, especially relate to a kind of rock core find time pressurize saturation system, belong to oil gas drilling field.
Background technology
Rock core is the cylindrical rock salt sample that coring crown gets out.According to the needs of geological prospecting work or engineering, use ring-type hollow bit and other coring tools, the cylindric rock sample taken out in hole.The ore rock taken out from the ore body or ore bed of Solid Mineral or ore, then claim the ore deposit heart.Rock core is research and the geologic information important in kind understanding subsurface geology and mineral products situation.
In petroleum-gas fiedl exploration and development process, by stratigraphic horizon and the degree of depth of geological design, entering coring tool under in well, the rock sample drilled through out, is understand oilbearing stratum and directly perceived, the most most realistic data of contained characteristic of fluid.There are sidewall sampling and drilling and coring delivery two kinds of modes, usually based on the latter.Appropriate well must be selected within the scope of oil field, to relevant oil, gas-bearing formation position, drill through the rock core of some, by observing, analyzing and research, can understand: 1. epoch on stratum, lithology, deposition characteristics; 2. the physics of reservoir, chemical property and oil-containing, gas, aqueous condition; 3. petroleum source bed characteristic sum source rock index; 4. underground structure situation (as tomography, joint, inclination angle etc.); 5. the basic data of qualitative, the quantitative interpretation of various logging method; 6. oil, gas, water sport and distribution situation in recovery process, and the change of stratal configuration; Rock core can be also estimation petroleum reserves for the laboratory experiment analysis of water filling or various raising recovery ratio method and volume increase, well stimulation, establishment reasonable development scheme, improve the requisite basic data of reservoir waterflooding effect and recovery ratio.In existing oil development, it is very important for detecting analysis to rock core physical characteristics, and error appears in the parameter drawn, can affect the judgement to this region field output, cause heavy economic losses.
Summary of the invention
The object of the invention is to overcome above-mentioned existing measurement rock core exist compared with the judgement affected after big error this region field output, cause the problem of heavy economic losses, devise a kind of rock core find time pressurize saturation system, this system can record the accurate parameters of rock core, helps people to the volume analysis in this oil field, region.
Object of the present invention is achieved through the following technical solutions: rock core find time pressurize saturation system, comprise worktable, described worktable is provided with control desk, motor, closed chamber, storage tank, vacuum pump and force (forcing) pump, worktable is divided into interconnective upper working table and lower floor's worktable, upper working table is arranged on directly over lower floor's worktable, wherein control desk, storage tank and vacuum pump are all arranged in upper working table, motor, closed chamber and force (forcing) pump are arranged between upper working table and lower floor's worktable, and bottom is all fixed with lower floor worktable, the top of storage tank is through upper working table, motor, closed chamber, storage tank, vacuum pump and force (forcing) pump are all connected with control desk, vacuum pump is all connected with motor with force (forcing) pump, closed chamber simultaneously and storage tank, vacuum pump is connected with force (forcing) pump.
The top of closed chamber is fixed with operation valve, and operation valve is arranged on above upper working table, and operation valve is connected with tensimeter, is provided with vacuum meter between tensimeter and operation valve, and vacuum meter is connected with operation valve, and the top of the bottom of vacuum meter and upper working table is fixed.
The sidewall of closed chamber is provided with installation valve, valve is installed and is communicated with the inside of closed chamber, and installation valve is arranged between upper working table and lower floor's worktable, valve is installed and is communicated with force (forcing) pump with storage tank, vacuum pump simultaneously.
Be provided with erection column between upper working table and lower floor's worktable, the two ends of erection column are fixed with the bottom of upper working table and the top of lower floor's worktable respectively, and installation valve and force (forcing) pump are all fixed with the outer wall of erection column.
The bottom of lower floor's worktable is provided with several rollers, the sidewall of roller is provided with mounting clamp, mounting clamp is provided with bearing pin, and bearing pin is through the center of roller, and roller can rotate around bearing pin, and the top of mounting clamp and the bottom of lower floor's worktable are fixed.
The sidewall of closed chamber is provided with exhaust-valve, and exhaust-valve is communicated with the inside of closed chamber, and exhaust-valve is arranged on the below of installing valve.
In sum, the invention has the beneficial effects as follows: this system is by combining all parts, use vacuum pump set gas clean-up, add high pressure saturated wait measure make rock core saturated more abundant, make rock core measurement parameter more accurate, help people to the volume analysis in this oil field, region, prevent the wasting of resources, also avoid causing economic loss.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark and corresponding parts title in accompanying drawing: 1-worktable; 2-valve is installed; 3-erection column; 4-exhaust-valve; 5-force (forcing) pump; 6-closed chamber; 7-operation valve; 8-vacuum meter; 9-tensimeter; 10-storage tank; 11-control desk; 12-vacuum pump; 13-speed reduction unit; 14-motor; 15-roller.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As shown in Figure 1, rock core find time pressurize saturation system, comprise worktable 1, described worktable 1 is provided with control desk 11, motor 14, closed chamber 6, storage tank 10, vacuum pump 12 and force (forcing) pump 5, worktable 1 is divided into interconnective upper working table and lower floor's worktable, upper working table is arranged on directly over lower floor's worktable, wherein control desk 11, storage tank 10 and vacuum pump 12 are all arranged in upper working table, motor 14, closed chamber 6 and force (forcing) pump 5 are arranged between upper working table and lower floor's worktable, and bottom is all fixed with lower floor worktable, the top of storage tank 10 is through upper working table, motor 14 connection reducer 13, to obtain stable power source, motor 14, closed chamber 6, storage tank 10, vacuum pump 12 and force (forcing) pump 5 are all connected with control desk 11, vacuum pump 12 is all connected with motor 14 with force (forcing) pump 5, with storage tank 10 while of closed chamber 6, vacuum pump 12 is connected with force (forcing) pump 5.Control desk 11 has various button and display screen, and for carrying out control operation to parts, the end vacuum of vacuum pump 12 is 7 × 10
-6pa, the working pressure of closed chamber 6: 50MPa closed chamber 6 is of a size of Φ 120 × 400mm, the transparent observable of storage tank 10, volume 6L, vacuum pump adopts 2XZ-2 type, and closed chamber 6 is for filling saturated core, and force (forcing) pump 5 adopts JB-3 type, working pressure is 50MPa, and compound vacuum gauge is used for core chamber's vacuum measurement.Open closed chamber 6 upper cover, closed chamber 6 is cleaned out, puts into and be saturated rock core.By closed chamber 6 upper cover good seal.Opened by storage tank 10 upper cover, exhaust-valve 4 is opened, and storage tank 10 and the pump housing are cleaned out (available air-blowing is swept).Close exhaust-valve 4, storage tank 10 adds saturated media (can not fill it up with), good seal storage tank 10 upper cover.Drive rotary-vane vaccum pump, find time degassed to storage tank 10 and saturated media.After finding time, stop vacuum pump.Force (forcing) pump falls back on rearmost position, and storage tank 10 medium is sucked the pump housing.Open vacuum pump set to find time to closed chamber 6.After finding time, stop vacuum pump, open the emptying of vacuum pump atmospheric valve.By storage tank 10 medium suction seal room 6.With force (forcing) pump, pressure is forced into closed chamber 6.Pressurize saturated complete, open exhaust-valve 4 emptying, open closed chamber 6 upper cover and take out saturated core.The rock core saturation degree obtained like this reaches more than 99%, and the reading for next step parameter achieves and provides accurately, helps people to the volume analysis in this oil field, region, prevents the wasting of resources, also avoid causing economic loss.
Embodiment 2:
As shown in Figure 1, on the basis of embodiment 1, the top of closed chamber 6 is fixed with operation valve 7, operation valve 7 is arranged on above upper working table, operation valve 7 is connected with tensimeter 9, be provided with vacuum meter 8 between tensimeter 9 and operation valve 7, vacuum meter 8 is connected with operation valve 7, and the bottom of vacuum meter 8 and the top of upper working table are fixed.Vacuum meter 8 for measuring the instrument of subatmospheric low density gas general pressure, also known as vacuum gauge.The measuring unit of vacuum meter continues to use pressure survey unit, the international unit of pressure is handkerchief, for measuring the vacuum state of storage tank 10 inside, making testing staff can obtain more accurate data when detecting, avoiding and that cause measuring error not up to standard due to vacuum tightness.Tensimeter 9 shows the concrete numerical value of internal pressure, and convenient operation personnel check.
The sidewall of closed chamber 6 is provided with valve 2 is installed, valve 2 is installed and is communicated with the inside of closed chamber 6, and installation valve 2 is arranged between upper working table and lower floor's worktable, valve 2 is installed and is communicated with force (forcing) pump 5 with storage tank 10, vacuum pump 12 simultaneously.Installing valve 2 is adopt existing porous valve, is convenient to change closed chamber 6 internal state being carried out to different demand.
Be provided with erection column 3 between upper working table and lower floor's worktable, the two ends of erection column 3 are fixed with the bottom of upper working table and the top of lower floor's worktable respectively, and installation valve 2 and force (forcing) pump 5 are all fixed with the outer wall of erection column 3.Erection column 3 is as increase device for positioning and securing, and making to install valve 2 and force (forcing) pump 5 can both have a stable installation site, and operationally position can be fixed, and the one-piece construction of system is more firm.
The bottom of lower floor's worktable is provided with several rollers 15, the sidewall of roller 15 is provided with mounting clamp, mounting clamp is provided with bearing pin, and bearing pin is through the center of roller, and roller 15 can rotate around bearing pin, and the top of mounting clamp and the bottom of lower floor's worktable are fixed.Roller 15 adopts existing roller to realize, also can be adopt universal rolling wheel, increase dirigibility that is mobile and that turn to, owing to worktable having been installed various equipment, its weight ratio is heavier, people mobile or inconvenient when carrying, and utilize roller can be convenient to people by movable workbench to the position needed.
The sidewall of closed chamber 6 is provided with exhaust-valve 4, and exhaust-valve 4 is communicated with the inside of closed chamber 6, and exhaust-valve 4 is arranged on the below of installing valve 2.Exhaust-valve 4 is convenient to the liquid of inside or dust easily to be released when clearing up closed chamber 6.
The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention, every according to technology of the present invention, method in fact to any simple modification, equivalent variations that above embodiment is done, all fall within protection scope of the present invention.
Claims (4)
1. rock core find time pressurize saturation system, it is characterized in that: comprise worktable (1), described worktable (1) is provided with control desk (11), motor (14), closed chamber (6), storage tank (10), vacuum pump (12) and force (forcing) pump (5), worktable (1) is divided into interconnective upper working table and lower floor's worktable, upper working table is arranged on directly over lower floor's worktable, wherein control desk (11), storage tank (10) and vacuum pump (12) are all arranged in upper working table, motor (14), closed chamber (6) and force (forcing) pump (5) are arranged between upper working table and lower floor's worktable, and bottom is all fixed with lower floor worktable, the top of storage tank (10) is through upper working table, motor (14), closed chamber (6), storage tank (10), vacuum pump (12) and force (forcing) pump (5) are all connected with control desk (11), vacuum pump (12) is all connected with motor (14) with force (forcing) pump (5), with storage tank (10) while of closed chamber (6), vacuum pump (12) is connected with force (forcing) pump (5), the top of described closed chamber (6) is fixed with operation valve (7), operation valve (7) is arranged on above upper working table, operation valve (7) is connected with tensimeter (9), vacuum meter (8) is provided with between tensimeter (9) and operation valve (7), vacuum meter (8) is connected with operation valve (7), and the bottom of vacuum meter (8) and the top of upper working table are fixed, the sidewall of described closed chamber (6) is provided with valve (2) is installed, valve (2) is installed be communicated with the inside of closed chamber (6), and installation valve (2) is arranged between upper working table and lower floor's worktable, valve (2) is installed and is communicated with force (forcing) pump (5) with storage tank (10), vacuum pump (12) simultaneously.
2. rock core according to claim 1 find time pressurize saturation system, it is characterized in that: between described upper working table and lower floor's worktable, be provided with erection column (3), the two ends of erection column (3) are fixed with the bottom of upper working table and the top of lower floor's worktable respectively, and installation valve (2) and force (forcing) pump (5) are all fixed with the outer wall of erection column (3).
3. rock core according to claim 1 find time pressurize saturation system, it is characterized in that: the bottom of described lower floor worktable is provided with several rollers (15), the sidewall of roller (15) is provided with mounting clamp, mounting clamp is provided with bearing pin, bearing pin is through the center of roller, roller (15) can rotate around bearing pin, and the top of mounting clamp and the bottom of lower floor's worktable are fixed.
4. rock core according to claim 1 find time pressurize saturation system, it is characterized in that: the sidewall of described closed chamber (6) is provided with exhaust-valve (4), exhaust-valve (4) is communicated with the inside of closed chamber (6), and exhaust-valve (4) is arranged on the below of installing valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070012.1A CN103808546B (en) | 2014-02-28 | 2014-02-28 | Rock core find time pressurize saturation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070012.1A CN103808546B (en) | 2014-02-28 | 2014-02-28 | Rock core find time pressurize saturation system |
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| Publication Number | Publication Date |
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| CN103808546A CN103808546A (en) | 2014-05-21 |
| CN103808546B true CN103808546B (en) | 2016-03-02 |
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| CN201410070012.1A Expired - Fee Related CN103808546B (en) | 2014-02-28 | 2014-02-28 | Rock core find time pressurize saturation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109060603A (en) * | 2018-08-14 | 2018-12-21 | 贵州大学 | A kind of accurate type shale gas diffusion tester |
| CN110619775A (en) * | 2019-09-24 | 2019-12-27 | 西南石油大学 | Gravel compact core saturated oil device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202305292U (en) * | 2011-10-29 | 2012-07-04 | 中国石油大学(华东) | Rock core vacuumizing and pressurization saturation device |
| CN202947952U (en) * | 2012-11-12 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Multi-core self-priming evacuation saturation control device |
| CN203101314U (en) * | 2012-11-12 | 2013-07-31 | 中国石油集团西部钻探工程有限公司 | Saturation-method core electrical property measuring device |
| CN103278418A (en) * | 2013-05-15 | 2013-09-04 | 西南石油大学 | Determination device and method of constraint irreducible water saturation in reservoir rock core |
| CN203745258U (en) * | 2014-02-28 | 2014-07-30 | 成都大漠石油机械有限公司 | System for vacuumizing, pressurizing and saturating rock core |
-
2014
- 2014-02-28 CN CN201410070012.1A patent/CN103808546B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202305292U (en) * | 2011-10-29 | 2012-07-04 | 中国石油大学(华东) | Rock core vacuumizing and pressurization saturation device |
| CN202947952U (en) * | 2012-11-12 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Multi-core self-priming evacuation saturation control device |
| CN203101314U (en) * | 2012-11-12 | 2013-07-31 | 中国石油集团西部钻探工程有限公司 | Saturation-method core electrical property measuring device |
| CN103278418A (en) * | 2013-05-15 | 2013-09-04 | 西南石油大学 | Determination device and method of constraint irreducible water saturation in reservoir rock core |
| CN203745258U (en) * | 2014-02-28 | 2014-07-30 | 成都大漠石油机械有限公司 | System for vacuumizing, pressurizing and saturating rock core |
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| CN103808546A (en) | 2014-05-21 |
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Inventor after: Deng Liping Inventor before: He Changming |
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Address after: Hoi Industrial Zone, Xindu District of Chengdu City Road 610000 in Sichuan Province Patentee after: CHENGDU GAOFENG PETROLEUM MACHINERY Co.,Ltd. Address before: Hoi Industrial Zone, Xindu District of Chengdu City Road 610000 in Sichuan Province Patentee before: CHENGDU DAMO PETROLEUM MACHINERY GROUP Co.,Ltd. |
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