CN202001004U - Test device capable of simulating law about influence of sanding on reservoir productivity - Google Patents
Test device capable of simulating law about influence of sanding on reservoir productivity Download PDFInfo
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- CN202001004U CN202001004U CN2011200443891U CN201120044389U CN202001004U CN 202001004 U CN202001004 U CN 202001004U CN 2011200443891 U CN2011200443891 U CN 2011200443891U CN 201120044389 U CN201120044389 U CN 201120044389U CN 202001004 U CN202001004 U CN 202001004U
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Abstract
The utility model discloses a test device capable of simulating a law about influence of sanding on reservoir productivity. The device comprises a liquid storage pot, at least one group of sanding test unit and an oil/sand segregating device which are sequentially connected with one another in series; the outlet of the oil/sand segregating device is communicated with the inlet of the liquid storage pot; each group of the sanding test unit comprises a high-pressure plunger pump, a fluid flowmeter, a reservoir simulating device and an anti-sand tube which are sequentially connected with one another in series; the outlet of the liquid storage pot is communicated with the inlet of the high-pressure plunger pump; the outlet of the anti-sand tube is communicated with the inlet of the oil/sand segregating device; the reservoir simulating device comprises a reservoir simulating barrel and stratum sands, wherein the stratum sands are arranged in a cavity body of the reservoir simulating barrel; at least one pressure sensor b is arranged on the barrel body along the axial direction of the reservoir simulating barrel; and pressure sensors a are arranged on both the inlet end of the reservoir simulating barrel and the outlet ends of the anti-sand tubes.
Description
Technical field
The utility model relates to a kind of simulation and shakes out and reservoir productivity is influenced the experimental rig of rule, belongs to technical field of petroleum extraction.
Background technology
For weak consolidated sandstone oil reservoir, recovery process very easily causes formation sand production, sand control certainly will will be carried out, shake out and to affect to production capacity, the influence of shaking out to production capacity is mainly reflected in two aspects: cause the accumulation of sand control pipe plug plug and annular space sand after shaking out on the one hand, cause the production capacity reduction; The reservoir hole, back that shakes out is on the other hand oozed characteristic and is changed, and particularly the degree of porosity of near wellbore zone, permeability have increase in various degree, if can form the earthworm hole, can improve the production capacity of individual well greatly.The weak point of analogue means in the past is that the reservoir situation of shaking out does not organically combine with the sand control of the anti-sandpipe of dissimilar reality.Therefore, need develop a kind of " shaking out and sand control " shaking out of the two combination influences simulation test device to production capacity, behind real simulated reservoir output sand and the actual anti-sandpipe sand control to the interactional process of production capacity.
Summary of the invention
The purpose of this utility model provides a kind of simulation and shakes out and reservoir productivity is influenced the experimental rig of rule.
The experimental rig that a kind of simulation that the utility model provides is shaked out influences rule to reservoir productivity comprises fluid reservoir, at least one group of shake out test unit and oil-sand separator of polyphone successively; The outlet of described oil-sand separator is connected with the inlet of described fluid reservoir; Every group of described test unit that shakes out comprises high-pressure plunger pump, fluid flowmeter, reservoir simulation device and the anti-sandpipe of polyphone successively; The outlet of described fluid reservoir all links to each other with the inlet of described high-pressure plunger pump; The outlet of described anti-sandpipe links to each other with the inlet of described oil-sand separator; Described reservoir simulation device comprises the reservoir simulation tube and is located at the interior reservoir sand of cavity of described reservoir simulation tube that described reservoir simulation tube is provided with at least one pressure sensor b along the cylindrical shell of its axial direction; The arrival end of described reservoir simulation tube and the port of export of described anti-sandpipe are equipped with pressure sensor a.
In the above-mentioned experimental rig, described reservoir simulation tube all links to each other with anti-sandpipe with described fluid flowmeter by flange.
In the above-mentioned experimental rig, be provided with seal gasket between described reservoir simulation tube and the described flange, to guarantee sealed environment.
In the above-mentioned experimental rig, the interface of described reservoir simulation tube and described anti-sandpipe is protruding convex surface to described reservoir sand, to realize preventing that with actual sandpipe docks.
In the above-mentioned experimental rig, the described test unit that shakes out is 4 groups; The described test unit that shakes out is and connects.Bar number described and the connecting leg road can be regulated according to actual needs.
In the above-mentioned experimental rig, be connected by high pressure line between described high-pressure plunger pump and the described fluid flowmeter.
In the above-mentioned experimental rig, described reservoir simulation tube is provided with 4 pressure sensor b along the cylindrical shell of its axial direction; Described pressure sensor b evenly distributes, and the pressure that can detect in the described reservoir simulation tube changes.
In the above-mentioned experimental rig, described oil-sand separator comprise revolving shake sieve and with the described supersonic wave cleaning machine that is connected of plug that shakes that revolves; The described sieve that shakes that revolves plays the effect that oil-sand separates, described supersonic wave cleaning machine will by behind the described anti-sandpipe by described revolve shake screening from sand carry out the washing oil drying so that follow-up measurement.
In the above-mentioned experimental rig, described fluid flowmeter all links to each other with data acquisition unit with pressure sensor.
The utlity model has following advantage: the reservoir situation of shaking out is combined with the sand control of the anti-sandpipe of dissimilar reality, reservoir output sand is prevented behind the sandpipe sand control production capacity being exerted an influence by reality, and while different preventing sandpipe and sand control parameter can influence the change of the sand production rate and the reservoir characteristics of reservoir, and then influence production capacity.The experimental rig that the utility model provides well combines the process that influences each other of " shaking out and sand control " in the on-the-spot actual production process between the two simulates, and has reacted the true flow process on sand control process stratum in the produced on-site process.
Description of drawings
Fig. 1 is the structural representation of experimental rig of the present utility model.
Fig. 2 is the half sectional view of the reservoir simulation tube in the experimental rig of the present utility model.
Each mark is as follows among the figure: 1 fluid reservoir, 2 high-pressure plunger pumps, 3 safety valves, 4 high pressure lines, 5 fluid flowmeters, 6A pressure sensor a, 6B pressure sensor b, 7 reservoir simulation devices, 8 anti-sandpipes, 9 revolve the sieve that shakes, 10 upper flanges, 11 lower flanges, 12 reservoir sands, 13 reservoir simulation tubes, 14 seal gaskets.
The specific embodiment
Below in conjunction with specific embodiment the utility model is described further, but the utility model is not limited to following examples.
The experimental rig that the simulation that the utility model provides is shaked out influences rule to reservoir productivity comprises fluid reservoir 1, and the machinery oil that holds different viscosities in this fluid reservoir 1 is used for simulating reservoir crude oil; The outlet of fluid reservoir 1 successively with 4 groups and test unit and the oil-sand separator polyphone that shakes out that connects, the every group of test unit that shakes out includes high-pressure plunger pump 2, fluid flowmeter 5, reservoir simulation device 7 and the anti-sandpipe 8 of polyphone successively; High-pressure plunger pump 2 links to each other with the variable-frequency motor (not shown), for high-pressure plunger diaphragm pump 2 provides power; Be connected by high pressure line 4 between high-pressure plunger pump 2 and the fluid flowmeter 5, be connected with safety valve 3 on the high pressure line 4, prevent the hypertonia in the pipeline; The port of export of the arrival end of reservoir simulation device 7 and anti-sandpipe 8 is equipped with pressure sensor a6A, is used to measure the pressure at reservoir simulation device 7 two ends; Reservoir simulation device 7 comprises the reservoir simulation tube 13 of cylindrical shape, and it is forged by 16 manganese steel, and maximum bearing capacity is 30MPa, about zinc-plated anti-corrosion; During test, the experiment for preparing is packed in the reservoir simulation tube 13 with sand, and suppress the reservoir sand 12 that obtains testing usefulness with the reservoir stress condition of living in of actual reservoir according to reservoir characteristics; Reservoir simulation tube 13 links to each other with fluid flowmeter 5 by upper flange 10, reservoir simulation tube 13 links to each other with anti-sandpipe 8 by lower flange 11, lower flange 11 is protruding convex surface to reservoir sand 12 with the interface of anti-sandpipe 8, be equipped with seal gasket 14 between reservoir simulation tube 13 and upper flange 10 and the lower flange 11, to realize the sealed environment in the reservoir simulation tube 13; Reservoir simulation tube 13 is provided with 4 equally distributed pressure sensor b6B along the cylindrical shell of its axial direction, is used to measure the segmentation pressure in the reservoir simulation tube 13; The oil-sand separator comprises and revolving the sieve 9 and the supersonic wave cleaning machine (not shown) that shakes, revolve in the sieve 9 that shakes 400 order secondary filter wire screen are installed, can filter the particle of all diameters greater than 38um, reach the purpose that oil-sand separates, supersonic wave cleaning machine will carry out the washing oil drying by revolving the sand that the sieve 9 that shakes separates by anti-sandpipe 8 backs, so that it is carried out follow-up measurement (dry and weigh); Supersonic wave cleaning machine is connected with the inlet of oil storage tank 1, thereby the machinery oil of circulation after finishing enters and carry out next loop test in the oil storage tank 1; Fluid flowmeter 5, pressure sensor a6A and pressure sensor b6B and data collecting system (data collecting card and the sets of data acquisition software that comprise a computer, 36 passages, not shown) link to each other, be used to gather pressure (being respectively entrance point pressure, reservoir simulation tube 13 segmentation pressure and port of export pressure) and oily flow in the reservoir simulation tube 13, and calculate output sand sand content in the oil according to the sand production rate of measuring; Output sand is carried out particle size analysis, estimate the sand block precision.
In the above-mentioned experimental rig, the volume and the shape of oil storage tank 1, reservoir simulation tube 13 and anti-sandpipe 8 can be adjusted according to actual needs; The group number of test unit of shaking out can be adjusted according to actual needs; The number of pressure sensor b6B on the cylindrical shell of reservoir simulation tube 13 and distribution all can be adjusted according to actual needs.
When using above-mentioned experimental rig,, and simulate reservoir crude oil with the machinery oil of different viscosities at first by the close experiment sand of oil field actual formation sand sample size distribution proportioning; According to reservoir characteristics the experiment for preparing is packed in the high pressure cylinder with sand, and suppress with the reservoir stress condition of living in of actual reservoir; By high-pressure plunger pump 2 machinery oil is injected in the reservoir simulation tube 13, enter the oil-sand separator by the reservoir sand in the reservoir simulation tube 13 12, anti-sandpipe 8; The oil-sand separator comprises that 4 revolve the 9 and supersonic wave cleaning machines of sieve that shake, every revolves installation 400 order secondary filter wire screen in the sieve 9 that shakes, can filter all particles greater than 38um, reaching oil-sand separates, supersonic wave cleaning machine will carry out the washing oil drying by the sand that revolves sieve 8 separation of shaking by anti-sandpipe 8 backs, carry out weighing then; The automatic data collection device is gathered the pressure (measuring inlet pressure, the segmentation pressure of reservoir simulation tube 13, outlet pressure respectively) of four reservoir simulation tubes 13 and the flow of fluid flowmeter automatically, and calculates output sand sand content in the oil according to the sand production rate of measuring; Then output sand is carried out particle size analysis, estimate the sand block precision.
Claims (9)
1. a simulation is shaked out and reservoir productivity influenced the experimental rig of rule, it is characterized in that: described device comprises fluid reservoir, at least one group of shake out test unit and oil-sand separator of polyphone successively; The outlet of described oil-sand separator is connected with the inlet of described fluid reservoir; Every group of described test unit that shakes out comprises high-pressure plunger pump, fluid flowmeter, reservoir simulation device and the anti-sandpipe of polyphone successively; The outlet of described fluid reservoir all links to each other with the inlet of described high-pressure plunger pump; The outlet of described anti-sandpipe links to each other with the inlet of described oil-sand separator; Described reservoir simulation device comprises the reservoir simulation tube and is located at the interior reservoir sand of cavity of described reservoir simulation tube that described reservoir simulation tube is provided with at least one pressure sensor b along the cylindrical shell of its axial direction; The arrival end of described reservoir simulation tube and the port of export of described anti-sandpipe are equipped with pressure sensor a.
2. experimental rig according to claim 1 is characterized in that: described reservoir simulation tube all is connected with described fluid flowmeter and anti-sandpipe by flange.
3. experimental rig according to claim 2 is characterized in that: be provided with seal gasket between described reservoir simulation tube and the described flange.
4. experimental rig according to claim 1 and 2 is characterized in that: the interface of described reservoir simulation tube and described anti-sandpipe is protruding convex surface to described reservoir sand.
5. experimental rig according to claim 1 and 2 is characterized in that: the described test unit that shakes out is 4 groups; The described test unit that shakes out is and connects.
6. experimental rig according to claim 1 and 2 is characterized in that: be connected by high pressure line between described high-pressure plunger pump and the described fluid flowmeter.
7. experimental rig according to claim 1 and 2 is characterized in that: described reservoir simulation tube is provided with 4 pressure sensor b along the cylindrical shell of its axial direction; Described pressure sensor b evenly distributes.
8. experimental rig according to claim 1 and 2 is characterized in that: described oil-sand separator comprise revolving shake sieve and with the described supersonic wave cleaning machine that is connected of plug that shakes that revolves.
9. experimental rig according to claim 1 and 2 is characterized in that: described fluid flowmeter all links to each other with data acquisition unit with pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200443891U CN202001004U (en) | 2011-02-22 | 2011-02-22 | Test device capable of simulating law about influence of sanding on reservoir productivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200443891U CN202001004U (en) | 2011-02-22 | 2011-02-22 | Test device capable of simulating law about influence of sanding on reservoir productivity |
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| Publication Number | Publication Date |
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| CN202001004U true CN202001004U (en) | 2011-10-05 |
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| CN2011200443891U Expired - Lifetime CN202001004U (en) | 2011-02-22 | 2011-02-22 | Test device capable of simulating law about influence of sanding on reservoir productivity |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116150A (en) * | 2011-02-22 | 2011-07-06 | 中国海洋石油总公司 | Testing device for simulating influence law of sand on productivity of reservoir |
| CN103195417A (en) * | 2013-04-07 | 2013-07-10 | 中国石油化工股份有限公司 | Experiment device and method for stimulating current-limiting and sectional fracturing of horizontal well |
| CN104087333A (en) * | 2014-06-25 | 2014-10-08 | 中国石油天然气股份有限公司 | Oil sand preparation facilities for experiments |
| CN111999466A (en) * | 2020-08-07 | 2020-11-27 | 中国科学院广州能源研究所 | Detachable sand-discharging and sand-preventing reaction kettle for natural gas hydrate exploitation |
-
2011
- 2011-02-22 CN CN2011200443891U patent/CN202001004U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116150A (en) * | 2011-02-22 | 2011-07-06 | 中国海洋石油总公司 | Testing device for simulating influence law of sand on productivity of reservoir |
| CN103195417A (en) * | 2013-04-07 | 2013-07-10 | 中国石油化工股份有限公司 | Experiment device and method for stimulating current-limiting and sectional fracturing of horizontal well |
| CN103195417B (en) * | 2013-04-07 | 2016-01-20 | 中国石油化工股份有限公司 | A kind of experimental technique of Simulated Water horizontal well current limliting staged fracturing |
| CN104087333A (en) * | 2014-06-25 | 2014-10-08 | 中国石油天然气股份有限公司 | Oil sand preparation facilities for experiments |
| CN104087333B (en) * | 2014-06-25 | 2015-10-14 | 中国石油天然气股份有限公司 | Oil sand preparation facilities for experiments |
| CN111999466A (en) * | 2020-08-07 | 2020-11-27 | 中国科学院广州能源研究所 | Detachable sand-discharging and sand-preventing reaction kettle for natural gas hydrate exploitation |
| CN111999466B (en) * | 2020-08-07 | 2021-04-16 | 中国科学院广州能源研究所 | Detachable sand-discharging and sand-preventing reaction kettle for natural gas hydrate exploitation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: China University of Petroleum (Beijing) Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: China University of Petroleum (Beijing) |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |