CN103645276A - Simple core oil-displacement test system prepared from injector tube barrel and simulation method using the same - Google Patents
Simple core oil-displacement test system prepared from injector tube barrel and simulation method using the same Download PDFInfo
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- CN103645276A CN103645276A CN201310530275.1A CN201310530275A CN103645276A CN 103645276 A CN103645276 A CN 103645276A CN 201310530275 A CN201310530275 A CN 201310530275A CN 103645276 A CN103645276 A CN 103645276A
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Abstract
The invention discloses a simple core oil-displacement test system prepared from an injector tube barrel and a simulation method using the same. The simple core oil-displacement test system is prepared from the injector tube barrel and by conventional laboratory equipment, can carry out a supercharging-type or negative-pressure-type oil-displacement test, can be used for researching laboratory measurement on core oil-displacement effects produced by a solution to be detected, can be prepared simply and has the unified specification. The simple core oil-displacement test system comprises an injector tube barrel-simulative core barrel, a supercharging accessory and a negative-pressure acquisition system. The main body of the injector tube barrel-simulative core barrel is an injector tube barrel, the bottom of the injector tube barrel-simulative core barrel is provided with an anti-blocking insulation cushion, and through being filled with a core material and crude oil, the injector tube barrel-simulative core barrel is used for simulating an oil-containing core. The supercharging accessory is used for sealing the injector tube barrel-simulative core barrel, is connected to a supercharging device in a supercharging oil-displacement mode and sucks a solution in a negative-pressure oil-displacement mode. The negative-pressure acquisition system is connected to an outlet of the injector main body of the injector tube barrel-simulative core barrel and is used in the negative-pressure oil-displacement mode, a collection test tube is arranged in the negative-pressure acquisition system and is used for collecting an oil-water mixture, and an adjustable plastic support arranged at the lower part of the collection test tube is suitable for fixedly supporting test tubes having different diameters.
Description
Technical field
The present invention relates to a kind of method of utilizing syringe socket to make simple and easy rock core displacement of reservoir oil test macro, the research for laboratory measurement solution to be measured to rock core oil displacement efficiency.
Background technology
The tertiary process technology in oil field, comprises physics, chemistry and biotechnology, is widely studied and utilizes.In the R&D process of these technology, its final target is to improve the efficiency of gathering of rock core Crude Oil, and evaluate solution to be measured, the effect of the rock core displacement of reservoir oil is to an important reference index in this target.This index can the extraction effect of effective evaluation solution to be measured to the irreducible oil in rock core, and then the laboratory study effect of technology to be studied is described.In order to measure this index, current many methods all need self manufacture simulation core, and it is diversified in specifications, make loaded down with trivial detailsly, and cost is higher.
Summary of the invention
In order to address the above problem, the object of the invention is to propose a kind of syringe socket is made simple and easy rock core displacement of reservoir oil test macro and method of utilizing, this system can be carried out the oil displacement experiment of supercharging or suction type, simple for production, uniform specification.
technical scheme of the present invention is:the simple and easy rock core displacement of reservoir oil test macro that utilizes syringe socket to make, this device comprises supercharging accessory, syringe socket simulation core cylinder and the negative pressure acquisition system setting gradually from top to bottom;
Wherein, described supercharging accessory comprises glass tube, rubber seal plug and static line; Wherein, described glass tube passes from the center of described rubber seal plug, be fixed on described rubber seal beyond the Great Wall, the upper end of described rubber seal plug is symmetrically arranged with fixedly becket bridle of two metals, through metal set collar, described rubber seal plug is fixed to the upper end of described syringe socket during use with described static line;
Described syringe socket simulation core cylinder comprises syringe socket and anti-blocking dottle pin, and the interior lower end exit of described syringe socket is provided for preventing that packing material from stopping up the anti-blocking dottle pin of syringe socket;
Described negative pressure acquisition system comprises the bottle,suction of 500mL, diameter is that the collection test tube that 10-25mm, length are 10mm is placed in described bottle,suction, described collection test tube is fixed by adjustable plastic support, No. 8 rubber stopper seal for described bottle,suction bottleneck, it is 3mm that described No. 8 rubber plug centers arrange an internal diameter, external diameter is the grass tube of 5mm, the mouth of pipe of the contiguous described collection test tube in lower end of described grass tube, upper end tight cover one internal diameter of described grass tube is 3.5mm, external diameter is the plastic catheter of 5mm, for accepting the outlet of described syringe socket.
Further, described by anti-blocking dottle pin by metal wire side with support dottle pin and form, described metal wire side is fixed on the upper surface of described support dottle pin.
Further, described adjustable plastic support consists of with four symmetrical metal fixation spring tabs that arrange in described stent support cylindrical shell 30mm diameter plastic stent support cylindrical shell.
Another object of the present invention is to provide the method that above-mentioned simple and easy rock core displacement of reservoir oil test macro is simulated, and specifically comprises that step is as follows:
1.1 take out syringe socket simulation core cylinder, the wire side of anti-blocking dottle pin is placed in to syringe socket bottom upward, the silica sand that filling is clean, adds sufficient crude oil from top, standing, make completely all silica sand of former oil immersion, fill with again saturated aqueous common salt, with the sealing of supercharging accessory, make grass tube lower end in supercharging accessory on silica sand, not under saturated aqueous common salt, and fix with static line winding syringe socket upper end;
1.2 when adopting supercharging displacement of reservoir oil pattern, directly sufficient saturated aqueous common salt is passed through to pressure generating equipment, from the glass tube outer end of supercharging accessory, be pressed into whole system, by the outlet of syringe socket simulation core cylinder lower end, collect oil water mixture, to drive away unnecessary air and unnecessary crude oil, when crude oil is no longer purged out, saturated aqueous common salt is replaced by solution to be measured, repressurize is injected, and can realize supercharging displacement of reservoir oil simulation;
1.3 when adopting negative pressure displacement of reservoir oil pattern, to collect test tube (inserts in adjustable plastic support, be placed in bottle,suction bottom, No. 8 rubber plugs are tightly filled in to suction filtration bottleneck, grass tube lower end is inserted slightly and collect the test tube mouth of pipe, the plastic catheter of upper end is accepted the syringe socket simulation core cylinder lower end outlet of processing through step 1), forms whole negative pressure reservoir oil displacing system; While carrying out the displacement of reservoir oil, the glass tube upper end of supercharging accessory is connected to a plastic catheter, the described plastic catheter other end is inserted in saturated common salt water receptacle, the suction filtration arm of bottle,suction connects vacuum pump, open vacuum pump, can make saturated aqueous common salt enter whole system under negative pressure is ordered about, to drive away unnecessary air and unnecessary crude oil, when crude oil is no longer purged out, close vacuum pump, saturated aqueous common salt is replaced by solution to be measured, and the collection test tube more renewing, open again vacuum pump, can realize negative pressure displacement of reservoir oil simulation.
The beneficial effect of patent of the present invention is, owing to adopting technique scheme, the present invention utilizes the conventional equipment in laboratory to realize the self-control of simulation core system, and simple to operate, cost, can effectively realize the evaluation to testing sample laboratory oil displacement efficiency.
Accompanying drawing explanation
fig. 1it is the assembling schematic diagram of whole system of the present invention.
fig. 2it is supercharging accessory schematic diagram of the present invention.
fig. 3it is syringe socket simulation core schematic diagram of the present invention.
fig. 4it is negative pressure acquisition system schematic diagram of the present invention.
In figure:
1. supercharging accessory, 2. syringe socket simulation core cylinder, 3. negative pressure acquisition system.4. glass tube, 5. rubber plug, the 6. fixing becket bridle of metal, 7. static line, 8. syringe socket, 9. anti-blocking dottle pin, 10. metal wire side, 11. support dottle pins, 12. No. 8 rubber plugs, 13. grass tubes, 14. plastic catheter, 15. bottle,suctions, 16. collect test tube, 17. adjustable plastic supports, 18. stent support cylinders, 19. metal fixation spring tabs.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As Figure 1-4, the simple and easy rock core displacement of reservoir oil test macro that the present invention utilizes syringe socket to make, this device comprises supercharging accessory 1, syringe socket simulation core cylinder 2 and the negative pressure acquisition system 3 setting gradually from top to bottom;
Wherein, described supercharging accessory 1 comprises glass tube 4, rubber seal plug 5 and static line 7; Wherein, described glass tube 4 passes from the center of described rubber seal plug 5, be fixed on described rubber seal plug 5, the upper end of described rubber seal plug 5 is symmetrically arranged with fixedly becket bridle 6 of two metals, through metal set collar 6, described rubber seal plug 5 is fixed to the upper end of described syringe sockets 8 during use with described static line 7;
Described syringe socket simulation core cylinder 2 comprises syringe socket 8 and anti-blocking dottle pin 9, and the interior lower end exit of described syringe socket 8 is provided for preventing that packing material from stopping up the anti-blocking dottle pin 9 of syringe socket;
Described negative pressure acquisition system 3 comprises the bottle,suction 15 of 500mL, diameter is 10-25mm, length is that the collection test tube 16 of 10mm is placed in described bottle,suction 15, described collection test tube 16 is fixing by adjustable plastic support 17, No. 8 rubber plug 12 sealings for described bottle,suction 15 bottlenecks, it is 3mm that described No. 8 rubber plug 12 centers arrange an internal diameter, external diameter is the grass tube 13 of 5mm, the mouth of pipe of the contiguous described collection test tube 16 in lower end of described grass tube 13, upper end tight cover one internal diameter of described grass tube 13 is 3.5mm, external diameter is the plastic catheter 14 of 5mm, for accepting the outlet of described syringe socket 8.
Described by anti-blocking dottle pin 9 by metal wire side 10 with support dottle pin 11 and form, described metal wire side 10 is fixed on the upper surface of described support dottle pin 11.
Described adjustable plastic support 17 supports cylindrical shell by 30mm diameter plastic stent and forms with four symmetrical metal fixation spring tabs 19 that arrange in described stent support cylindrical shell.
The method that above-mentioned simple and easy rock core displacement of reservoir oil test macro of the present invention is simulated:
1) take out syringe socket simulation core cylinder 2, anti-blocking dottle pin 9 wire sides are placed in to syringe socket 8 bottoms upward, the silica sand that filling is clean, adds sufficient crude oil from top, standing, make completely all silica sand of former oil immersion, fill with again saturated aqueous common salt, with 1 sealing of supercharging accessory, make glass tube 4 lower ends in supercharging accessory 1 on silica sand, not under saturated aqueous common salt, and fix with static line 7 winding syringe socket 8 upper ends.
2) when adopting supercharging displacement of reservoir oil pattern, directly sufficient saturated aqueous common salt is passed through to pressure generating equipment, from supercharging accessory 1 grass tube 4 outer ends, be pressed into whole system, by the 2 lower end outlets of syringe socket simulation core cylinder, collect oil water mixture, to drive away unnecessary air and unnecessary crude oil, when crude oil is no longer purged out, saturated aqueous common salt is replaced by solution to be measured, repressurize is injected, and can realize supercharging displacement of reservoir oil simulation.
3) when adopting negative pressure displacement of reservoir oil pattern, to collect test tube 16 inserts in adjustable plastic support 17, be placed in bottle,suction 15 bottoms, rubber plug 12 is tightly filled in to suction filtration bottleneck, grass tube 13 lower ends are inserted slightly and collect test tube 16 mouths of pipe, the plastic catheter 14 of upper end is accepted the syringe socket simulation core cylinder 2 lower end outlets of processing through step 1, forms whole negative pressure reservoir oil displacing system; While carrying out the displacement of reservoir oil, supercharging accessory 1 grass tube 4 upper ends are connected to a plastic catheter, that its other end inserts in saturated common salt water receptacle, the suction filtration arm of bottle,suction 15 connects vacuum pump, open vacuum pump, can make saturated aqueous common salt enter whole system under negative pressure is ordered about, to drive away unnecessary air and unnecessary crude oil, when crude oil is no longer purged out, close vacuum pump, saturated aqueous common salt is replaced by solution to be measured, and the collection test tube 16 more renewing, open again vacuum pump, can realize negative pressure displacement of reservoir oil simulation.
Claims (4)
1. the simple and easy rock core displacement of reservoir oil test macro that utilizes syringe socket to make, is characterized in that, this device comprises supercharging accessory (1), syringe socket simulation core cylinder (2) and the negative pressure acquisition system (3) setting gradually from top to bottom;
Wherein, described supercharging accessory (1) comprises glass tube (4), rubber seal plug (5) and static line (7); Wherein, described glass tube (4) passes from the center of described rubber seal plug (5), be fixed on described rubber seal plug (5), the upper end of described rubber seal plug (5) is symmetrically arranged with fixedly becket bridle (6) of two metals, through metal set collar (6), described rubber seal plug (5) is fixed to the upper end of described syringe socket (8) during use with described static line (7);
Described syringe socket simulation core cylinder (2) comprises syringe socket (8) and anti-blocking dottle pin (9), and the interior lower end exit of described syringe socket (8) is provided for preventing that packing material from stopping up the anti-blocking dottle pin (9) of syringe socket;
Described negative pressure acquisition system (3) comprises the bottle,suction (15) of 500mL, diameter is 10-25mm, length is that the collection test tube (16) of 10mm is placed in described bottle,suction (15), described collection test tube (16) is fixing by adjustable plastic support (17), described bottle,suction (15) bottleneck seals with No. 8 rubber plugs (12), it is 3mm that described No. 8 rubber plugs (12) center arranges an internal diameter, external diameter is the grass tube (13) of 5mm, the mouth of pipe of the contiguous described collection test tube in lower end (16) of described grass tube (13), upper end tight cover one internal diameter of described grass tube (13) is 3.5mm, external diameter is the plastic catheter (14) of 5mm, be used for accepting the outlet of described syringe socket (8).
2. system according to claim 1, is characterized in that, described by anti-blocking dottle pin (9) by metal wire side (10) with support dottle pin (11) and form, described metal wire side (10) is fixed on the upper surface of described support dottle pin (11).
3. according to the system as claimed in claim 1, it is characterized in that, described adjustable plastic support (17) supports cylindrical shell (18) by 30mm diameter plastic stent and four symmetrical metal fixation spring tabs (19) formations in described stent support cylindrical shell (18) is set.
4. the method that simple and easy rock core displacement of reservoir oil test macro as claimed in claim 1 is simulated, is characterized in that, specifically comprises that step is as follows:
1.1 take out syringe socket simulation core cylinder (2), the wire side of anti-blocking dottle pin (9) is placed in to syringe socket (8) bottom upward, the silica sand that filling is clean, adds sufficient crude oil from top, standing, make completely all silica sand of former oil immersion, fill with again saturated aqueous common salt, with supercharging accessory (1) sealing, make grass tube (4) lower end in supercharging accessory (1) on silica sand, not under saturated aqueous common salt, and fix with static line (7) winding syringe socket (8) upper end;
1.2 when adopting supercharging displacement of reservoir oil pattern, directly sufficient saturated aqueous common salt is passed through to pressure generating equipment, from grass tube (4) outer end of supercharging accessory (1), be pressed into whole system, by the outlet of syringe socket simulation core cylinder (2) lower end, collect oil water mixture, to drive away unnecessary air and unnecessary crude oil, when crude oil is no longer purged out, saturated aqueous common salt is replaced by solution to be measured, repressurize is injected, and can realize supercharging displacement of reservoir oil simulation;
1.3 when adopting negative pressure displacement of reservoir oil pattern, to collect test tube (16) inserts in adjustable plastic support (17), be placed in bottle,suction (15) bottom, No. 8 rubber plugs (12) are tightly filled in to suction filtration bottleneck, grass tube (13) lower end is inserted slightly and collect test tube (16) mouth of pipe, the plastic catheter of upper end (14) is accepted syringe socket simulation core cylinder (2) the lower end outlet of processing through step (1), forms whole negative pressure reservoir oil displacing system; While carrying out the displacement of reservoir oil, the glass tube of supercharging accessory (1) (4) upper end is connected to a plastic catheter, the described plastic catheter other end is inserted in saturated common salt water receptacle, the suction filtration arm of bottle,suction (15) connects vacuum pump, open vacuum pump, can make saturated aqueous common salt enter whole system under negative pressure is ordered about, to drive away unnecessary air and unnecessary crude oil, when crude oil is no longer purged out, close vacuum pump, saturated aqueous common salt is replaced by solution to be measured, and the collection test tube (16) more renewing, open again vacuum pump, can realize negative pressure displacement of reservoir oil simulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310530275.1A CN103645276B (en) | 2013-10-31 | 2013-10-31 | Simple core oil-displacement test system prepared from injector tube barrel and simulation method using the same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310530275.1A CN103645276B (en) | 2013-10-31 | 2013-10-31 | Simple core oil-displacement test system prepared from injector tube barrel and simulation method using the same |
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| CN103645276A true CN103645276A (en) | 2014-03-19 |
| CN103645276B CN103645276B (en) | 2015-05-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849412A (en) * | 2015-05-29 | 2015-08-19 | 中国石油大学(北京) | In-situ observation testing device for simulating micro oil displacing interface |
| CN112250022A (en) * | 2020-08-31 | 2021-01-22 | 深圳供电局有限公司 | Oil discharge recovery device for injector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849412A (en) * | 2015-05-29 | 2015-08-19 | 中国石油大学(北京) | In-situ observation testing device for simulating micro oil displacing interface |
| CN112250022A (en) * | 2020-08-31 | 2021-01-22 | 深圳供电局有限公司 | Oil discharge recovery device for injector |
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| CN103645276B (en) | 2015-05-13 |
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