CN103645276B - 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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- CN103645276B CN103645276B CN201310530275.1A CN201310530275A CN103645276B CN 103645276 B CN103645276 B CN 103645276B CN 201310530275 A CN201310530275 A CN 201310530275A CN 103645276 B CN103645276 B CN 103645276B
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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 utilizing syringe socket to make simple and easy core flooding test test macro, for laboratory measurement solution to be measured to the research of core flooding test effect.
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, namely its final target is improve the harvest efficiency of rock core Crude Oil, and evaluates the effect of solution to be measured to core flooding test and be the important reference index of in this target one.This index can effective evaluation solution to be measured to the extraction effect of 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, and make loaded down with trivial details, cost is higher.
Summary of the invention
In order to solve the problem, the object of the invention is to propose a kind of utilize syringe socket to make simple and easy core flooding test test macro and method, this system can carry 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 core flooding test test macro utilizing syringe socket to make, this device comprises the supercharging accessory, syringe socket simulation core cylinder and the negative pressure acquisition system that set 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 two metals and fixes becket bridle, through metal set collar, described rubber seal plug is fixed 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 arranges the anti-blocking dottle pin for preventing packing material from blocking syringe socket;
Described negative pressure acquisition system comprises the bottle,suction of 500mL, the collection test tube that diameter is 10-25mm, length is 10mm is placed in described bottle,suction, described collection test tube is fixed by adjustable plastic support, described bottle,suction bottleneck No. 8 rubber stopper seal, 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, it is 3.5mm that an internal diameter is tightly overlapped in the upper end of described grass tube, 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 and support dottle pin form, described metal wire side is fixed on the upper surface of described support dottle pin.
Further, described adjustable plastic support supports cylindrical shell by 30mm diameter plastic support and arranges the metal fixation spring tab that described support supports in cylindrical shell four pieces symmetrical and forms.
Another object of the present invention is to provide the method that above-mentioned simple and easy core flooding test test macro carries out simulating, and specifically comprises step as follows:
1.1 take out syringe socket simulation core cylinder, the wire side of anti-blocking dottle pin is placed in upward bottom syringe socket, the silica sand that filling is cleaned, adds sufficient crude oil from top, leaves standstill, crude oil is made to soak full whole silica sand, fill saturated aqueous common salt again, use supercharging fitting seal, make the grass tube lower end in supercharging accessory be 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 the saturated aqueous common salt of abundance is passed through pressure generating equipment, whole system is pressed into from the glass tube outer end of supercharging accessory, exported by syringe socket simulation core cylinder lower end and collect oil water mixture, to drive away additional 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 bottom bottle,suction, No. 8 rubber plugs are tightly filled in suction filtration bottleneck, grass tube lower end is inserted slightly and collects the test tube mouth of pipe, the plastic catheter of upper end is accepted and is exported through the syringe socket simulation core cylinder lower end of step 1) process, forms whole negative pressure reservoir oil displacing system; When carrying out the displacement of reservoir oil, the glass tube upper end of supercharging accessory is connected 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, saturated aqueous common salt can be made under negative pressure is ordered about to enter whole system, to drive away additional 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 renewed, open vacuum pump again, negative pressure displacement of reservoir oil simulation can be realized.
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, effectively can 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, 6. metal fixes becket bridle, 7. static line, 8. syringe socket, 9. anti-blocking dottle pin, 10. metal wire side, 11. support dottle pin, 12. No. 8 rubber plugs, 13. grass tubes, 14. plastic catheter, 15. bottle,suctions, 16. collect test tube, 17. adjustable plastic supports, 18. support support tubes, 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 core flooding test test macro that the present invention utilizes syringe socket to make, this device comprises the supercharging accessory 1, syringe socket simulation core cylinder 2 and the negative pressure acquisition system 3 that set 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 two metals and fixes becket bridle 6, through metal set collar 6, described rubber seal plug 5 is fixed 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 arranges the anti-blocking dottle pin 9 for preventing packing material from blocking 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 fixed by adjustable plastic support 17, described bottle,suction 15 bottleneck No. 8 rubber plugs 12 seal, 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, it is 3.5mm that an internal diameter is tightly overlapped in the upper end of described grass tube 13, 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 support and arranges the metal fixation spring tab 19 that described support supports in cylindrical shell four pieces symmetrical and forms.
Above-mentioned simple and easy core flooding test test macro of the present invention carries out the method simulated:
1) syringe socket simulation core cylinder 2 is taken out, anti-blocking dottle pin 9 wire side is placed in bottom syringe socket 8 upward, the silica sand that filling is cleaned, adds sufficient crude oil from top, leaves standstill, crude oil is made to soak full whole silica sand, fill saturated aqueous common salt again, seal with supercharging accessory 1, make glass tube 4 lower end in supercharging accessory 1 be on silica sand, not under saturated aqueous common salt, and be wound around syringe socket 8 upper end with static line 7 and fix.
2) when adopting supercharging displacement of reservoir oil pattern, directly the saturated aqueous common salt of abundance is passed through pressure generating equipment, whole system is pressed into from supercharging accessory 1 grass tube 4 outer end, exported by syringe socket simulation core cylinder 2 lower end and collect oil water mixture, to drive away additional 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, collection test tube 16 is inserted in adjustable plastic support 17, be placed in bottom bottle,suction 15, rubber plug 12 is tightly filled in suction filtration bottleneck, grass tube 13 lower end is inserted slightly and collects test tube 16 mouth of pipe, the plastic catheter 14 of upper end accepts the syringe socket simulation core cylinder 2 lower end outlet processed through step 1, forms whole negative pressure reservoir oil displacing system; When carrying out the displacement of reservoir oil, supercharging accessory 1 grass tube 4 upper end is connected 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, saturated aqueous common salt can be made under negative pressure is ordered about to enter whole system, to drive away additional 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 renewed, open vacuum pump again, negative pressure displacement of reservoir oil simulation can be realized.
Claims (4)
1. the simple and easy core flooding test test macro utilizing syringe socket to make, is characterized in that, this device comprises the supercharging accessory (1), syringe socket simulation core cylinder (2) and the negative pressure acquisition system (3) that set 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 two metals and fixes becket bridle (6), fixes becket bridle (6) by the upper end of fixing for described rubber seal plug (5) described syringe socket (8) during use with described static line (7) through metal;
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) arranges the anti-blocking dottle pin (9) for preventing packing material from blocking 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 fixed 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 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), it is 3.5mm that an internal diameter is tightly overlapped in the upper end of described grass tube (13), external diameter is the plastic catheter (14) of 5mm, for accepting the outlet of described syringe socket (8).
2. system according to claim 1, is characterized in that, described anti-blocking dottle pin (9) is made up of metal wire side (10) and support dottle pin (11), and 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, the metal fixation spring tab (19) that described adjustable plastic support (17) supports cylindrical shell (18) by 30mm diameter plastic support and arranges in described support support cylindrical shell (18) four pieces symmetrical is formed.
4. simple and easy core flooding test test macro as claimed in claim 1 carries out the method simulated, it is characterized in that, specifically comprises step as follows:
1.1 take out syringe socket simulation core cylinder (2), the wire side of anti-blocking dottle pin (9) is placed in syringe socket (8) bottom upward, the silica sand that filling is cleaned, adds crude oil from top, leaves standstill, crude oil is made to soak full whole silica sand, fill saturated aqueous common salt again, with supercharging accessory (1) sealing, make glass tube (4) lower end in supercharging accessory (1) be 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 saturated aqueous common salt is passed through pressure generating equipment, whole system is pressed into from glass tube (4) outer end of supercharging accessory (1), exported by syringe socket simulation core cylinder (2) lower end and collect oil water mixture, to drive away additional 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 filled in suction filtration bottleneck, grass tube (13) lower end is inserted and collects test tube (16) mouth of pipe, the plastic catheter (14) of upper end accepts syringe socket simulation core cylinder (2) the lower end outlet processed through step 1.1, forms whole negative pressure reservoir oil displacing system; When carrying out the displacement of reservoir oil, glass tube (4) upper end of supercharging accessory (1) is connected 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, saturated aqueous common salt can be made under negative pressure is ordered about to enter whole system, to drive away additional 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 renewed, open vacuum pump again, negative pressure displacement of reservoir oil simulation can be realized.
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| 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 |
|---|---|---|---|
| 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 CN103645276A (en) | 2014-03-19 |
| CN103645276B true CN103645276B (en) | 2015-05-13 |
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| CN201310530275.1A Expired - Fee Related 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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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849412B (en) * | 2015-05-29 | 2016-06-29 | 中国石油大学(北京) | Simulation microcosmic oil drive interface in-situ observation assay device |
| 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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| WO2012123882A2 (en) * | 2011-03-15 | 2012-09-20 | Schlumberger Technology B.V. | Examination of porosity by nmr and intrusion porosimetry |
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