CN102162356A - Simulation device for evaluating sand control effect and anti-blocking capability of sand control pipe - Google Patents
Simulation device for evaluating sand control effect and anti-blocking capability of sand control pipe Download PDFInfo
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- CN102162356A CN102162356A CN2011100431333A CN201110043133A CN102162356A CN 102162356 A CN102162356 A CN 102162356A CN 2011100431333 A CN2011100431333 A CN 2011100431333A CN 201110043133 A CN201110043133 A CN 201110043133A CN 102162356 A CN102162356 A CN 102162356A
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Abstract
The invention provides a simulation device for evaluating sand control effect and anti-blocking capability of a sand control pipe. The device comprises an oil-sand mixing and stirring tank, a high-pressure diaphragm pump, a liquid flow meter, a sand production simulation test device and an oil-sand separation device, which are connected in series in sequence, wherein the exit of the oil-sand separation device is connected with the entrance of the oil-sand mixing and stirring tank, the sand production simulation test device comprises an outer cover cylinder and an sand control pipe nested inside the outer cover cylinder; an annular chamber is formed between the outer cover cylinder and the sand control pipe, a gravel layer is arranged on the outer wall of the sand control pipe, at least one liquid inlet is formed on the side wall of the outer cover cylinder, a liquid outlet is formed at the bottom of the sand control pipe, at least one sand outlet is formed at the bottom of the outer cover cylinder in the position corresponding to the annular chamber, and pressure gauges are arranged at the top of the outer cover cylinder and at the liquid outlet respectively.
Description
Technical field
The present invention relates to a kind of anti-sandpipe sand controlling result and anti-stifled ability simulating-estimating device, belong to technical field of petroleum extraction.
Background technology
The sand control mode of using is a lot of at present, every kind of sand control mode all has characteristics and compliance thereof separately, for weak consolidated sandstone oil reservoir, the key of sand control success is the selection and the anti-sandpipe Parameter Optimization of sand control mode, and the improper of the selection of this two aspect is the main cause that causes sand control failure and production capacity to reduce.Mostly present anti-sand method is to have significant limitation by rule of thumb, and optimum sand control measure is successfully to control most of reservoir sand, and reduces the chocking-up degree of anti-sandpipe as far as possible, improves post-job oil well economic indicator height.Reach this purpose, the sand control mode when not only needing preferred completion more will be optimized the sand control parameter of anti-sandpipe.The mistaken ideas of system of selection at present are: only pay attention to the sand block effect and ignored consideration economically.Promptly only consider the factor of economic technology aspect, be conceived to sand is blocked, and do not consider size, sand control cost and the economic effect of production capacity behind the sand control.The anti-sandpipe evaluating apparatus of early stage development can only evaluating sand prevention tube sand controlling result and production capacity Changing Pattern in a short time, can't simulate under the long-term behavior sand controlling result and to the rule that influences of production capacity, the obstruction process of anti-sandpipe is a process slowly and for a long time, its chocking-up degree not only with the structure of anti-sandpipe itself, the sand block precision is closely related, also with the sand grains particle diameter that passes through anti-sandpipe, non-homogeneity, the content of microparticle, shale content, shale CLAY MINERALS AND THEIR SIGNIFICANCE component and oil viscosity, flow velocity, pressure reduction during produced on-site, series of factors such as the fierce degree of the variation of pressure reduction are relevant, therefore are very complicated processes.If utilize simulating lab test to replace on-the-spot actual manufacturing process, a Zui Da problem that problem is exactly experimental period wherein, any experiment is simulated field actual cycle fully all, therefore, need develop and a kind ofly can in the laboratory, carry out sand control pipe range phase sand controlling result and anti-stifled ability assessment device, be used for the long-term sand controlling result of evaluating sand prevention instrument, chocking-up degree and to the compliance on stratum etc.
Summary of the invention
The purpose of this invention is to provide a kind of anti-sandpipe sand controlling result and anti-stifled ability simulating-estimating device.
A kind of anti-sandpipe sand controlling result provided by the invention and anti-stifled ability simulating-estimating device comprise polyphone successively oil-sand mixing agitator tank, high-pressure diaphragm pump, fluid flowmeter, simulation test device and oil-sand separator shake out; The outlet of described oil-sand separator links to each other with the inlet of described oil-sand mixing agitator tank; The described simulation test device that shakes out comprises exterior cover pipeline and is set in the interior anti-sandpipe of described exterior cover pipeline that be provided with ring cavity between described exterior cover pipeline and the anti-sandpipe, the outer wall of described anti-sandpipe is provided with layer of gravel; The sidewall of described exterior cover pipeline is provided with at least one inlet, and the bottom of described anti-sandpipe is provided with liquid outlet; The part of the corresponding described ring cavity in the bottom of described exterior cover pipeline is provided with at least one sand export; The top of described exterior cover pipeline and described liquid outlet end are respectively equipped with pressure meter.
In the above-mentioned simulating-estimating device, described high-pressure diaphragm pump links to each other with variable-frequency motor; Described fluid flowmeter is connected by high-pressure hose with the described simulation test device that shakes out, and can prevent blocking pipeline.
In the above-mentioned simulating-estimating device, described inlet is located at the middle part of the sidewall of described exterior cover pipeline; Described inlet can be 4; Described inlet evenly distributes along the circumferential direction of described exterior cover pipeline.
In the above-mentioned simulating-estimating device, described sand export can be 4, and described sand export evenly distributes along the circumferential direction of described ring cavity.
In the above-mentioned simulating-estimating device, the sidewall of described exterior cover pipeline is provided with at least one see-through window; Described see-through window can be 4; Described see-through window evenly distributes along the circumferential direction of described exterior cover pipeline.
In the above-mentioned simulating-estimating device, described see-through window can be tempered glass; Described see-through window is provided with camera.
In the above-mentioned simulating-estimating device, described sand export is connected with plunger displacement pump, can in time discharge the sand of being blocked, and prevents that sand grains from stopping up the bottom of exterior cover pipeline.
In the above-mentioned simulating-estimating device, described oil-sand separator comprise at least one revolve shake sieve and with the described supersonic wave cleaning machine that is connected of plug that shakes that revolves; The described plug that shakes that revolves can be 2; 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 simulating-estimating device, described fluid flowmeter links to each other with data acquisition unit with pressure meter.
The present invention has following advantage: can directly adopt oil field full-scale anti-sandpipe commonly used, test result is more representative; Oil-sand mixed liquor and production measure according to the preparation of reservoir sand characteristic require (pressure and flow) to adjust test parameters in good time, optimize the sand control parameter, and evaluation result more helps near on-the-spot long-term production reality; Can understand the Changing Pattern and the feature thereof of the pressure drop-flow-sand production rate of different preventing sandpipe in good time, carry out the long adaptation evaluation, preferably anti-sandpipe at the different preventing sandpipe.
Description of drawings
Fig. 1 is the structural representation of simulating-estimating device of the present invention.
Fig. 2 is the half sectional view of the simulation test device that shakes out in the simulating-estimating device of the present invention.
Fig. 3 is the vertical view (partly cuing open) of the simulation test device that shakes out in the simulating-estimating device of the present invention.
Each mark is as follows among the figure: 1 oil-sand mixing agitator tank, 2 high-pressure diaphragm pumps, 3 fluid flowmeters, 4 safety valves, 5 high-pressure hoses, 6 shake out simulation test device, 7a, 7b pressure meter, 8 revolve the sieve that shakes, 9 inlets, 10 liquid outlets, 11 sand exports, 12 see-through window, 13 exterior cover pipelines, 14 high pressure tempered glass, 15 layer of gravel, 16 anti-sandpipes, 17 plunger displacement pumps.
The specific embodiment
The present invention will be further described below in conjunction with specific embodiment, but the present invention is not limited to following examples.
Simulating-estimating device provided by the invention comprises oil-sand mixing agitator tank 1, oil-sand mixes the oil-sand mixture that obtains waiting to test usefulness in oil-sand mixing agitator tank 1, the outlet of oil-sand mixing agitator tank 1 is connected with the inlet of high-pressure diaphragm pump 2, be used for the oil-sand mixture is pumped into the simulation test device 6 that shakes out, high-pressure diaphragm pump 2 links to each other with the variable-frequency motor (not shown), for high-pressure diaphragm pump 2 provides power; The outlet of high-pressure diaphragm pump 2 is connected with the inlet of fluid flowmeter 3, and the outlet of fluid flowmeter 3 is connected by the inlet 9 of high-pressure hose 5 with the simulation test device 6 that shakes out, and high-pressure hose 5 is provided with safety valve 4, the hypertonia in preventing to manage; The simulation test device 6 that shakes out comprises the cylinder bodily form exterior cover pipeline 13 that is forged by 16 manganese steel, maximum bearing capacity 15MPa, and its about zinc-plated anti-corrosion is arranged with cylinder bodily form sand control pipe 16 in the exterior cover pipeline 13, be provided with ring cavity between anti-sandpipe 16 and the exterior cover pipeline 13; The lateral wall of anti-sandpipe 16 is provided with one deck layer of gravel 15; The sidewall of exterior cover pipeline 13 is provided with 4 see-through window of being made up of high pressure tempered glass 14 12, and this see-through window 12 is provided with the minisize pick-up head (not shown), so that observe the obstruction situation of anti-sandpipe 16 lateral surfaces in experimentation; 4 see-through window 12 evenly distribute along the circumferencial direction of exterior cover pipeline 13; The shake out top of simulation test device 6 is provided with pressure meter 7a, is used to measure the pressure at exterior cover pipeline 13 tops; Circumferencial direction in the middle part of the sidewall of exterior cover pipeline 13 is provided with 4 equally distributed inlets 9; The part of the corresponding ring cavity in bottom of simulation test device 6 of shaking out is provided with 4 equally distributed sand exports 11 along its circumferencial direction, is used to discharge the sand of being blocked by anti-sandpipe 16; Sand export 11 links to each other with plunger displacement pump 17, is used in time discharging sand, prevents that it is in bottom of exterior cover pipeline 13 accumulation; The bottom of anti-sandpipe 16 is provided with a liquid outlet 10, is used to discharge the liquid by anti-sandpipe 16; Liquid outlet 10 places are provided with pressure meter 7b, are used to measure the pressure of liquid outlet 10 ends, and can increase the ability of taking sand by adjusting the flow velocity of pressure change liquid; Liquid outlet 10 revolves the sieve 8 that shakes and links to each other with a supersonic wave cleaning machine (not shown) with two successively, revolve in the sieve 8 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, the sound wave cleaning machine will carry out the washing oil drying by the sand that revolves sieve 8 separation of shaking by anti-sandpipe 16 backs, so that it is carried out follow-up measurement; Supersonic wave cleaning machine is connected with the inlet of oil-sand mixing agitator tank 1, and oil-sand mixings agitator tank 1 is interior to carry out next loop test thereby the oil of circulation after finishing enters; Fluid flowmeter 3, pressure meter 7a and 7b 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 for the pressure reduction of the flow of experiments of measuring process, anti-sandpipe 16, the sand that comes out from anti-sandpipe 16 heavily waits parameter, pressure reduction, flow by anti-sandpipe 16 come the chocking-up degree of evaluating sand prevention tube 16 in experiment, come the sand block performance of evaluating sand prevention tube by the mensuration of sand production rate.
In the above-mentioned simulating-estimating device, the volume of oil-sand mixing agitator tank 1, exterior cover pipeline 13 and anti-sandpipe 16 can be adjusted according to actual needs; The thickness of layer of gravel 15 can be adjusted according to actual needs; The number of inlet 9 and sand export 11 can be adjusted according to actual needs.
When using above-mentioned simulating-estimating device, at first particle property and the shale content according to reservoir prepares corresponding oil-sand, determines silt concertation, utilizes motor and agitator to stir in oil-sand mixing agitator tank 1 and obtains the oil-sand mixture, prevents the sand grains precipitation; By the pressurized circulation liquid-supplying system that high-pressure diaphragm pump 2 and variable-frequency motor are formed the oil-sand mixed liquor is sent in the simulation test device 6 that shakes out; The oil-sand mixture enters the oil-sand separator by the ring cavity in the simulation test device 6 that shakes out, layer of gravel 15, anti-sandpipe 16, liquid outlet 10; The oil-sand separator comprises that two revolve the 8 and supersonic wave cleaning machines of sieve that shake, and revolves in the sieve 8 that shakes 400 order secondary filter wire screen are installed, and can filter all particles greater than 38um, reaches oil-sand and 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 16 backs; Heavily wait parameter by the flow in the data collecting system experiments of measuring process, anti-sandpipe 16 pressure reduction, the sand that comes out from anti-sandpipe 16; Pressure reduction, flow by anti-sandpipe 16 come the chocking-up degree of evaluating sand prevention tube 16 in experiment, come the sand block performance of evaluating sand prevention tube 16 by the mensuration of sand production rate, by output sand being done the sand block precision that laser particle size analysis comes evaluating sand prevention tube 16, thereby finally reach research sand control mode and parameter The Long-term Effect rule to production capacity, sand production rate, preferred appropriateness shake out under the condition the sand control cast and optimize the purpose of anti-sandpipe parameter.
Claims (10)
1. anti-sandpipe sand controlling result and anti-stifled ability simulating-estimating device is characterized in that: described device comprise polyphone successively oil-sand mixing agitator tank, high-pressure diaphragm pump, fluid flowmeter, simulation test device and oil-sand separator shake out; The outlet of described oil-sand separator links to each other with the inlet of described oil-sand mixing agitator tank; The described simulation test device that shakes out comprises exterior cover pipeline and is set in the interior anti-sandpipe of described exterior cover pipeline that be provided with ring cavity between described exterior cover pipeline and the anti-sandpipe, the outer wall of described anti-sandpipe is provided with layer of gravel; The sidewall of described exterior cover pipeline is provided with at least one inlet, and the bottom of described anti-sandpipe is provided with liquid outlet; The part of the corresponding described ring cavity in the bottom of described exterior cover pipeline is provided with at least one sand export; The top of described exterior cover pipeline and described liquid outlet end are respectively equipped with pressure meter.
2. simulating-estimating device according to claim 1 is characterized in that: described high-pressure diaphragm pump links to each other with variable-frequency motor; Described fluid flowmeter is connected by high-pressure hose between the simulation test device with described shaking out.
3. simulating-estimating device according to claim 1 and 2 is characterized in that: described inlet is located at the middle part of the sidewall of described exterior cover pipeline; Described inlet is 4; Described inlet evenly distributes along the circumferential direction of described exterior cover pipeline.
4. according to arbitrary described simulating-estimating device among the claim 1-3, it is characterized in that: described sand export is 4; Described sand export evenly distributes along the circumferential direction of described ring cavity.
5. according to arbitrary described simulating-estimating device among the claim 1-4, it is characterized in that: the sidewall of described exterior cover pipeline is provided with at least one see-through window.
6. simulating-estimating device according to claim 5 is characterized in that: described see-through window is 4; Described see-through window evenly distributes along the circumferential direction of described exterior cover pipeline.
7. according to claim 5 or 6 described simulating-estimating devices, it is characterized in that: described see-through window is a tempered glass; Described see-through window is provided with camera.
8. according to arbitrary described simulating-estimating device among the claim 1-7, it is characterized in that: described sand export is connected with plunger displacement pump.
9. according to arbitrary described simulating-estimating device among the claim 1-8, it is characterized in that: described oil-sand separator comprise at least one revolve shake sieve and with the described supersonic wave cleaning machine that is connected of plug that shakes that revolves; The described plug that shakes that revolves is preferably 2.
10. according to arbitrary described simulating-estimating device among the claim 1-9, it is characterized in that: described fluid flowmeter links to each other with data acquisition unit with pressure meter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110043133.3A CN102162356B (en) | 2011-02-22 | 2011-02-22 | Simulation device for evaluating sand control effect and anti-blocking capability of sand control pipe |
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| CN201110043133.3A CN102162356B (en) | 2011-02-22 | 2011-02-22 | Simulation device for evaluating sand control effect and anti-blocking capability of sand control pipe |
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| CN102162356B CN102162356B (en) | 2014-04-02 |
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Cited By (6)
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| CN103063422A (en) * | 2012-12-24 | 2013-04-24 | 中国石油天然气股份有限公司 | Sand control screen sand-blocking precision detecting device and detecting method |
| CN103775054A (en) * | 2012-10-26 | 2014-05-07 | 中国石油化工股份有限公司 | Evaluation method of sand prevention effects of sand prevention layers |
| CN105651675A (en) * | 2016-01-29 | 2016-06-08 | 中国海洋石油总公司 | Detection system for sand blocking precision of sand prevention medium of sand prevention sieve tube for oil field |
| CN106290037A (en) * | 2016-08-30 | 2017-01-04 | 中国石油大学(北京) | A kind of Multi-function sand prevention screen cloth erosive wear resistance evaluating apparatus |
| CN107462677A (en) * | 2017-08-10 | 2017-12-12 | 中国地质调查局水文地质环境地质调查中心 | Exploitation of gas hydrates function sand prevention testing device and method |
| CN113252532A (en) * | 2021-06-15 | 2021-08-13 | 西南石油大学 | Simulation device for breakthrough of abnormal high-temperature and high-pressure stratum sand body through seepage barrier |
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Effective date of registration: 20210817 Address after: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Address before: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee before: China University of Petroleum (Beijing) |