CN202267616U - Balance sampler of oil deposit physical simulation experiment device - Google Patents
Balance sampler of oil deposit physical simulation experiment device Download PDFInfo
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- CN202267616U CN202267616U CN 201120361861 CN201120361861U CN202267616U CN 202267616 U CN202267616 U CN 202267616U CN 201120361861 CN201120361861 CN 201120361861 CN 201120361861 U CN201120361861 U CN 201120361861U CN 202267616 U CN202267616 U CN 202267616U
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- pressing cap
- cylinder body
- piston
- physical simulation
- valve
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Abstract
The utility model discloses a balance sampler of an oil deposit physical simulation experiment device. The balance sampler comprises an experimental rock core, a valve, an upper pressing cap, a cylinder body, a piston, a lower pressing cap, a container and a back pressure controlling device. The upper pressing cap and the lower pressing cap are arranged on the cylinder body; the piston is arranged in the inner cavity of the cylinder body; the upper pressing cap is connected with the experimental rock core and a nitrogen source; and the lower pressing cap is respectively connected with a back pressure controller, the container and a distilled water source. The balance sampler has the characteristics of balanced sampling, equal external and internal pressure of a sampling port under the control of the back pressure controlling device, high coverage, reasonability and accuracy of a sample, reasonable structure, reliable performance, safety in operation, simplicity in operation, convenience in use and the like, and is widely applied to a balanced sampling process of the oil deposit physical simulation experiment device for oil exploitation.
Description
Technical field
The utility model relates to the sampling facility of oil exploitation reservoir physical simulation experimental provision, particularly a kind of reservoir physical simulation experimental provision balanced sampling device.
Background technology
In the experiment of oil exploitation reservoir physical simulation, Chang Yaocong will inject the stifled agent viscoelastic parameters of frozen glue class of rock core from the rock core of experimental provision in different parts sampling carrying out profit analysis or test.Traditional sampling mode exists following shortcoming or deficiency: 1. all be the sample valve direct sample of directly opening rock core different parts in the experimental provision; Owing to exist than higher pressure in the rock core; In case directly open sample cock; Can cause the pressure of rock core to descend suddenly, change the fluid distribution situation in the rock core, influence the accuracy of experimental result; 2. because directly opening of sample cock also can cause rock core to shake out, change the rock core structure, sand also is prone to stop up valve and pipeline, the carrying out of influence experiment; If 3. hypertonia in the rock core, sample is also poorly got when opening valve.
Summary of the invention
The purpose of the utility model provides a kind of reservoir physical simulation experimental provision balanced sampling device, adopts the co-ordinative construction of piston, cylinder body and back pressure control device, overcomes effectively or avoids above-mentioned shortcoming of the prior art or deficiency.
The described reservoir physical simulation experimental provision of the utility model balanced sampling device comprises experiment rock core, valve, upper pressing cap, cylinder body, piston, lower pressing cap, container, back pressure control device.Upper pressing cap and lower pressing cap are installed on the said cylinder body, and the inner chamber of cylinder body is equipped with piston, and upper pressing cap is connected with experiment rock core, source nitrogen, and lower pressing cap is connected with back pressure controller, container and distillation water source respectively.
Wherein, said back pressure control device comprises manual pump and the tensimeter that top connects, the control device that is connected with lower pressing cap inlet, the control device outlet that is connected with container.Said piston is connected with the experiment rock core through upper pressing cap, valve with the inner chamber of upper cylinder body.Said piston is connected with source nitrogen through upper pressing cap, valve with the inner chamber of upper cylinder body.Said piston is connected with the inlet of back pressure control device through lower pressing cap, valve with the inner chamber of lower cylinder body.Said piston is connected with the distillation water source through lower pressing cap, valve with the inner chamber of lower cylinder body.
The utility model has following advantage compared with prior art:
1, balanced sampling utilizes the back pressure control device to realize sample tap external pressure and sample tap internal pressure equipressure, sample spreadability, rationality, accuracy height;
2, rational in infrastructure, dependable performance, security of operation;
3, simple to operate, easy to use.
Description of drawings
Fig. 1 is a kind of example structure synoptic diagram of the utility model.
Embodiment
Consult Fig. 1, a kind of reservoir physical simulation experimental provision balanced sampling device comprises experiment rock core 1, valve 2, upper pressing cap 3, cylinder body 4, piston 5, lower pressing cap 6, container 12, back pressure control device 13.Upper pressing cap 3 and lower pressing cap 6 are installed on the cylinder body 4, and the inner chamber of cylinder body 4 is equipped with piston 5, and upper pressing cap 3 is connected with experiment rock core 1, source nitrogen 14, and source nitrogen 14 is a high-pressure nitrogen bottle.Lower pressing cap 6 is connected with back pressure controller 13, container 12 and distillation water source 7 respectively.
Back pressure control device 13 comprises the manual pump 8 and tensimeter 11 that top connects, the control device that is connected with lower pressing cap 6 inlet 9, the control device outlet 10 that is connected with container 11.Piston 5 is connected with experiment rock core 1 through upper pressing cap 3, valve 2 with the inner chamber of upper cylinder body 4.Piston 5 is connected with source nitrogen 14 through upper pressing cap 3, valve 2 with the inner chamber of upper cylinder body 4.Piston 5 is connected with the inlet of back pressure control device 13 through lower pressing cap 6, valve 2 with the inner chamber of lower cylinder body 4.Piston 5 is connected with distillation water source 7 through lower pressing cap 6, valve 2 with the inner chamber of lower cylinder body 4.
During boring sample; At first tighten pressure cap 3; Valve 2 is connected on the elevated pressure nitrogen source of the gas (nitrogen cylinder) 14 through pipeline, closes the inflow point of back pressure control device 13 and the valve 2 at distillation water source 7, open the blowdown valve of lower pressing cap 6; Open source nitrogen 14 valves 2, piston 5 tops are retreated to cylinder body 4 bottom through high pressure nitrogen; Valve 2 and atmosphere are opened the valve 2 that distills water source 7, inject distilled water to the lower part of cylinder body 4 pistons 5, piston 5 are pushed up to the top of cylinder body 4 valve-off 2; Open the valve 2 of back pressure control device 13 porch 9 and the valve 2 that is connected with sampling place 1, close the valve 2 at source nitrogen 14 and distillation water source 7, shake manual pump 8, make that the reading on the tensimeter 11 equates with sampling place pressure; The water outlet in the exit 10 of back pressure control device is accepted with container 11; Shake wobble pump 8 gently, the reading of tensimeter 11 is drop point slightly, and piston 5 is moved under near the state of balance, and exit 10 has drop to ooze, and the sample of testing like this in the rock core 1 will slowly get in cylinder body 4 chambeies above the piston 5.Amount through flowing into liquid in the container 12 is judged the amount that gets into liquid in the cylinder body 4.Measure when sufficient when the sample of regulation, close the valve 2 of experiment rock core 1 and back pressure control device 13, open the blowdown valve 2 of lower pressing cap 6,, the pressure in the back pressure device 13 is backed off through shaking manual pump 8.Open the valve 2 at distillation water source 7, in the bottom of piston 5 cylinder body 4, inject distilled water, piston 5 is pushed up to the top of cylinder body 4, sampling finishes.Clean pipeline and cylinder body 4 that sample flow is crossed at last, in order to sub-sampling use down.
Claims (6)
1. reservoir physical simulation experimental provision balanced sampling device; Comprise experiment rock core, valve, upper pressing cap, cylinder body, piston, lower pressing cap, container, back pressure control device; It is characterized in that being equipped with on the said cylinder body upper pressing cap and lower pressing cap; The inner chamber of cylinder body is equipped with piston, and upper pressing cap is connected with experiment rock core, source nitrogen, and lower pressing cap is connected with back pressure controller, container and distillation water source respectively.
2. reservoir physical simulation experimental provision balanced sampling device according to claim 1; It is characterized in that said back pressure control device comprises manual pump and tensimeter that top connects, the control device that is connected with lower pressing cap inlet, the control device outlet that is connected with container.
3. reservoir physical simulation experimental provision balanced sampling device according to claim 1 is characterized in that said piston is connected with the experiment rock core through upper pressing cap, valve with the inner chamber of upper cylinder body.
4. reservoir physical simulation experimental provision balanced sampling device according to claim 1 is characterized in that said piston is connected with source nitrogen through upper pressing cap, valve with the inner chamber of upper cylinder body.
5. according to claim 1 or 3 described reservoir physical simulation experimental provision balanced sampling devices, it is characterized in that said piston is connected with the inlet of back pressure control device through lower pressing cap, valve with the inner chamber of lower cylinder body.
6. according to claim 1 or 4 described reservoir physical simulation experimental provision balanced sampling devices, it is characterized in that said piston is connected with the distillation water source through lower pressing cap, valve with the inner chamber of lower cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120361861 CN202267616U (en) | 2011-09-26 | 2011-09-26 | Balance sampler of oil deposit physical simulation experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120361861 CN202267616U (en) | 2011-09-26 | 2011-09-26 | Balance sampler of oil deposit physical simulation experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202267616U true CN202267616U (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120361861 Expired - Fee Related CN202267616U (en) | 2011-09-26 | 2011-09-26 | Balance sampler of oil deposit physical simulation experiment device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202267616U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841046A (en) * | 2012-09-20 | 2012-12-26 | 中国石油大港油田勘探开发研究院 | Method for measuring rock porosity and measuring device |
| CN104931291A (en) * | 2014-03-19 | 2015-09-23 | 中国石油化工股份有限公司 | Ternary system high temperature high pressure fluid solubility equilibrium sampling system |
| CN106908287A (en) * | 2017-02-28 | 2017-06-30 | 中国石油天然气股份有限公司 | A kind of gas collecting device and method for balancing pressure |
| CN107779392A (en) * | 2016-08-25 | 2018-03-09 | 中国石油化工股份有限公司 | A kind of high pressure microbial inoculant and sampling sample transfering device and sampling method |
| CN110608917A (en) * | 2018-06-14 | 2019-12-24 | 中国石油化工股份有限公司 | Sampling device and sampling method for constant-pressure collection of high-pressure condensate oil gas |
-
2011
- 2011-09-26 CN CN 201120361861 patent/CN202267616U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841046A (en) * | 2012-09-20 | 2012-12-26 | 中国石油大港油田勘探开发研究院 | Method for measuring rock porosity and measuring device |
| CN102841046B (en) * | 2012-09-20 | 2014-10-29 | 中国石油大港油田勘探开发研究院 | Method for measuring rock porosity and measuring device |
| CN104931291A (en) * | 2014-03-19 | 2015-09-23 | 中国石油化工股份有限公司 | Ternary system high temperature high pressure fluid solubility equilibrium sampling system |
| CN104931291B (en) * | 2014-03-19 | 2017-12-12 | 中国石油化工股份有限公司 | Ternary system high-temperature, high pressure fluid dissolution equilibrium sampling system |
| CN107779392A (en) * | 2016-08-25 | 2018-03-09 | 中国石油化工股份有限公司 | A kind of high pressure microbial inoculant and sampling sample transfering device and sampling method |
| CN106908287A (en) * | 2017-02-28 | 2017-06-30 | 中国石油天然气股份有限公司 | A kind of gas collecting device and method for balancing pressure |
| CN106908287B (en) * | 2017-02-28 | 2020-02-14 | 中国石油天然气股份有限公司 | Pressure-balancing gas collection device and method |
| CN110608917A (en) * | 2018-06-14 | 2019-12-24 | 中国石油化工股份有限公司 | Sampling device and sampling method for constant-pressure collection of high-pressure condensate oil gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20120926 |