CN205844323U - A kind of full diameter acidizing wormhole extension physical modeling's clamper - Google Patents
A kind of full diameter acidizing wormhole extension physical modeling's clamper Download PDFInfo
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- CN205844323U CN205844323U CN201620566922.3U CN201620566922U CN205844323U CN 205844323 U CN205844323 U CN 205844323U CN 201620566922 U CN201620566922 U CN 201620566922U CN 205844323 U CN205844323 U CN 205844323U
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- cylinder
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Abstract
This utility model relates to oilfield chemistry and oil-gas reservoir volume increase field, extends physical modeling's clamper in particular to one full diameter acidizing wormhole.Full diameter acidizing wormhole radially simulation clamping device is cylindrical container；Including sealing system, heating system, compression system；A ring pressure storehouse closed is defined between cylinder and rubber sleeve, under the effect of coning sleeve and O RunddichtringO；O type rubber seal is used to seal between rock core sleeve and cylinder, good sealing effect；By adjusting the thickness of plug pad, the Changing Pattern of acidizing wormhole under different rock core length can be realized；By adjusting rotary shaft, it is achieved acid-rock reaction under the influence of gravity；This novel acidizing wormhole full diameter physics clamper, the flowing reactive that can meet acid solution and full-hole core more meets reservoir true environment, realizes the most convenient of simulated operating procedure simultaneously.This clamper is also suitable for displacement experiment in other indoor core chamber of diameter column entirely.
Description
Technical field
The present invention relates to increase production a kind of full diameter acidizing wormhole extension physical modeling in field for oilfield chemistry and oil-gas reservoir
Clamper.
Background technology
In the development process of carbonate rock hydrocarbon reservoir, matrix acidifying and acid fracturing are its main transformation and product mode.
Acid fracturing is that acid solution is clamp-oned crack and stratum, or alternately clamp-ons fracturing fluid and acid, thus forms crack to improve the infiltration on stratum
Property.And matrix acidifying is mainly used in nearly pit shaft area de-plugging, it, by producing deep penetration acidizing wormhole, is formed near wellbore
Link up the high flow-guiding channel of prime stratum, reduce skin factor, promote production of hydrocarbons.Acidizing wormhole growth and form accurate thereof
Characterize, be the underlying issue in Carbonate acidizing increasing yield research.And domestic earthworm hole analog more or less exists one
A little not enough: (1) device is many based on little rock core (diameter 2.54cm), because yardstick is limited, it is impossible to it is true that accurate description earthworm hole grows
Real rule；(2) existing large scale acidizing wormhole analog sealing is poor, it is impossible to the true feelings of acid-rock reaction under simulated formation pressure
Condition；Large scale flowing experiment is only capable of meeting acid solution Radial Flow, does not possess the function of axially flowing；And because of acid solution restricted in flow,
Causing it cannot form Convention diffusion in hole, the most residual acid is difficult to leak-off, causes fresh acid not supplement in time, contact surface acid
Liquid lowering of concentration, reacts by surface reaction controlling, forms face corrosion, and meanwhile, experimental facilities automaticity is relatively low, experimenter
Labor intensity is big, operates not convenient.
Therefore, for improving the deficiency of said apparatus, a kind of full diameter of new acidizing wormhole need to be set up according to similarity principle
Physics clamper, more meets reservoir true environment meeting the flowing reactive of acid solution and full-hole core, realizes simulation behaviour simultaneously
Make the most convenient of process.This clamper is also suitable for displacement experiment in other indoor core chamber of diameter column entirely.
Summary of the invention
The purpose of this utility model is: in order to, under the conditions of stable temperature and pressure, safe and convenient simulation acid solution exists
Radial and axial flowing and response situation in full-hole core, be efficiently formed acid earthworm hole, a kind of full diameter acid etching of special development
Earthworm hole extension physical modeling's clamper.
For reaching above-mentioned purpose, the present invention takes techniques below scheme: a kind of full diameter acidizing wormhole extends physical modeling
Clamper, including: upper plug head (1), alloy outer shroud (2)；Upper flange (3), sealing ring (4), coning sleeve (5), cylinder (6), rubber
Set (7), lower end cap (8), lower flange (9), under little pressure cap (10), heating system (11), cylinder fixture (12), rotary shaft (13),
Rotating shaft base (14), support (15), logical acid conduit (16), plug pad (17)；It is characterized in that: upper plug head (1), alloy outer shroud
(2)；Upper flange (3), sealing ring (4), coning sleeve (5), cylinder (6), rubber sleeve (7), lower end cap (8), lower flange (9), under little
Pressure cap (10), heating system (11), cylinder fixture (12), logical acid conduit (16), plug pad (17) are by rotary shaft (13), rotation
Shaft seat (14) is arranged on support (15)；Cylinder fixture (12) connects rotary shaft (13) and cylinder (6)；Cylinder (6) and alloy
Outer shroud (2) by upper flange (3) and under little pressure cap (10) connect, and pressed small cap (10) firm by down；Coning sleeve (5) is positioned over cylinder
(6) and between upper plug head (1), lower end cap (8), it is possible to prevent device metal partial compression to extrude impaired deformation；It is arranged on cylinder
Rotary shaft (13) on fixture (12) rotating shaft base (14) can make whole device rotate in 360 degree；Lower end cap (8) and upper stifled
Head (1), lower flange (9) and the mounting means of upper flange (3), installation site, effect, shape size are just the same.Upper plug head (1)
With You Liangge hole, lower end cap (8) center, it is possible to realize acid solution Efficient Cycle.The two ends of rubber sleeve (7) are processed as bell mouth shape；Cone
Degree set (5) is made up of a band of column portion and a conical ring portion, wherein the structure of coning sleeve (5) and the loudspeaker oral area of rubber sleeve (7)
Accordingly, when the conical ring portion of coning sleeve (5) is inserted in the loudspeaker oral area of rock core sleeve, the two is in sealing contact；At coning sleeve (5) ring
The outer wall in portion is circumferentially machined with annular groove, this annular groove liner O RunddichtringO, additionally the band of column portion of coning sleeve (5) and conical ring portion
Internal diameter is equal；Two ends are inserted with the rock core sleeve entirety of coning sleeve (5) and are encased in cylinder, at cylinder (6) and rubber sleeve (7)
Between, define under the effect of coning sleeve (5) and O RunddichtringO one close ring pressure storehouse.Upper plug head (1) and lower end cap
(8) spacing can be adjusted by increase and decrease plug pad (17), can meet the operation requirement of different length rock core.Upper stifled
Head (1), alloy outer shroud (2)；Upper flange (3), cylinder (6), lower end cap (8), lower flange (9), under little pressure cap (10), heating system
(11), cylinder fixture (12), logical acid conduit (16), plug pad (17) use acidproof Hastelloy.Heating system (11) is produced
Heat amount passes sequentially through cylinder (6), rubber sleeve (7) heats to rock core.
This utility model compared with the prior art, possesses following beneficial effect: 1) use full diameter structure, it is possible to disclose more
Under large scale, acid-rock reaction generates the experiment law in earthworm hole；2) acidproof Hastelloy is used, except meeting acid solution flox condition
Under, the condition of acidizing wormhole growth；Can also be used to the petrochemical industry common displacement medicaments such as alkali liquor, formation water, polymer
Flowing experiment；3) by adjusting the thickness of plug pad, the change of simulation core length can be realized, then meet different rock core
The Changing Pattern of acidizing wormhole in acidization under length；4) mechanization degree of device is high, greatly alleviates operator's
Labor intensity, it is achieved that the safety of experiment is with convenient.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model structural side view；
Fig. 3 is this analog upper plug head sectional view.
In figure, 1. upper plug head；2. alloy outer shroud；3. upper flange；4. sealing ring；5. coning sleeve；6. cylinder；7. rubber sleeve；
8. lower end cap；9. lower flange；10. time little pressure cap；11. heating systems；12. cylinder fixtures；13. rotary shafts；14. rotating shaft bases；
15. supports；16. logical acid conduits；17. plug pads.
Detailed description of the invention
This utility model is further illustrated according to accompanying drawing.With reference to Fig. 1, Fig. 2, Fig. 3.
A kind of full diameter acidizing wormhole extension physical modeling's clamper, including: upper plug head (1), alloy outer shroud (2)；Upper method
Blue (3), sealing ring (4), coning sleeve (5), cylinder (6), rubber sleeve (7), lower end cap (8), lower flange (9), under little pressure cap (10),
Heating system (11), cylinder fixture (12), rotary shaft (13), rotating shaft base (14), support (15), logical acid conduit (16), plug
Pad (17)；It is characterized in that: upper plug head (1), alloy outer shroud (2)；Upper flange (3), sealing ring (4), coning sleeve (5), cylinder
(6), rubber sleeve (7), lower end cap (8), lower flange (9), under little pressure cap (10), heating system (11), cylinder fixture (12), logical acid
Conduit (16), plug pad (17) are arranged on support (15) by rotary shaft (13), rotating shaft base (14)；Cylinder fixture (12)
Connect rotary shaft (13) and cylinder (6)；Cylinder (6) and alloy outer shroud (2) by upper flange (3) and under little pressure cap (10) connect, and
Pressed small cap (10) firm by down；Coning sleeve (5) is positioned between cylinder (6) and upper plug head (1), lower end cap (8), is possible to prevent
Device metal partial compression extrudes impaired deformation；The rotary shaft (13) being arranged on cylinder fixture (12) rotating shaft base (14) can make
Whole device rotates in 360 degree；Lower end cap (8) and upper plug head (1), lower flange (9) and the mounting means of upper flange (3), peace
Holding position, effect, shape size are just the same.Upper plug head (1) and You Liangge hole, lower end cap (8) center, it is possible to realizing acid solution has
Effect circulation.The two ends of rubber sleeve (7) are processed as bell mouth shape；Coning sleeve (5), is made up of a band of column portion and a conical ring portion,
Wherein the structure of coning sleeve (5) is corresponding to the loudspeaker oral area of rubber sleeve (7), and the conical ring portion of coning sleeve (5) is inserted into rock core sleeve
Loudspeaker oral area in time, the two is in sealing contact；Outer wall in coning sleeve (5) ring portion is circumferentially machined with annular groove, this annular groove liner O
RunddichtringO, additionally the band of column portion of coning sleeve (5) and the internal diameter in conical ring portion are equal；Two ends are inserted with the rock core of coning sleeve (5)
Sleeve entirety is encased in cylinder, between cylinder (6) and rubber sleeve (7), under the effect of coning sleeve (5) and O RunddichtringO
Define a ring pressure storehouse closed.Upper plug head (1) and lower end cap (8) spacing can be carried out by increase and decrease plug pad (17)
Adjust, the operation requirement of different length rock core can be met.Upper plug head (1), alloy outer shroud (2)；Upper flange (3), cylinder (6),
Lower end cap (8), lower flange (9), under little pressure cap (10), heating system (11), cylinder fixture (12), logical acid conduit (16), plug
Pad (17) uses acidproof Hastelloy.Heating system (11) produces heat and passes sequentially through cylinder (6), rubber sleeve (7) to rock
The heart heats.
Using method of the present utility model is:
Full-hole core is positioned on lower end cap (8), is made by the number and thickness adjusting plug pad (17)
After upper plug head (1) is arranged on device, full-hole core can be completely filled with inside whole device, and wherein, full-hole core is straight
Footpath is 100cm.After full-hole core loads, upper plug head (1), alloy outer shroud (2)；Upper flange (3), sealing ring (4), coning sleeve
(5), cylinder (6), rubber sleeve (7), lower end cap (8), lower flange (9), under little pressure cap (10), heating system (11), cylinder fixture
(12), logical acid conduit (16), plug pad (17) are arranged on support (15) by rotary shaft (13), rotating shaft base (14)；Cylinder
Body fixture (12) connects rotary shaft (13) and cylinder (6)；Cylinder (6) and alloy outer shroud (2) by upper flange (3) and under little pressure cap
(10) connect, and by under little pressure cap (10) firm；Coning sleeve (5) be positioned over cylinder (6) and upper plug head (1), lower end cap (8) it
Between, it is possible to prevent device metal partial compression to extrude impaired deformation；It is arranged on the rotation on cylinder fixture (12) rotating shaft base (14)
Rotating shaft (13) can make whole device rotate in 360 degree；Lower end cap (8) and upper plug head (1), lower flange (9) and upper flange (3)
Mounting means, installation site, effect, shape size just the same.Upper plug head (1) and You Liangge hole, lower end cap (8) center, energy
Enough realize acid solution Efficient Cycle.The two ends of rubber sleeve (7) are processed as bell mouth shape；Coning sleeve (5), by a band of column portion and one
Conical ring portion forms, and wherein the structure of coning sleeve (5) is corresponding to the loudspeaker oral area of rubber sleeve (7), and the conical ring portion of coning sleeve (5) inserts
Time in the loudspeaker oral area of rock core sleeve, the two is in sealing contact；Outer wall in coning sleeve (5) ring portion is circumferentially machined with annular groove,
This annular groove liner O RunddichtringO, additionally the band of column portion of coning sleeve (5) and the internal diameter in conical ring portion are equal；Two ends are inserted with tapering
The rock core sleeve entirety of set (5) is encased in cylinder, between cylinder (6) and rubber sleeve (7), seals at coning sleeve (5) and O type
A ring pressure storehouse closed is defined under the effect of circle.Upper plug head (1) and lower end cap (8) spacing can be by increase and decrease plug pads
Sheet (17) is adjusted, and can meet the operation requirement of different length rock core.Upper plug head (1), alloy outer shroud (2)；Upper flange
(3), cylinder (6), lower end cap (8), lower flange (9), under little pressure cap (10), heating system (11), cylinder fixture (12), logical acid lead
Pipe (16), plug pad (17) use acidproof Hastelloy.Heating system (11) produces heat and passes sequentially through cylinder (6), glue
Leather sheath (7) heats to rock core..So far, a kind of full diameter acidizing wormhole extension physical modeling's clamper has assembled, and coordinates acid solution
Injected system and injection formation system can carry out full diameter acidizing wormhole extension physical simulation experiment.
This utility model can simulate the flowing reactive of acid solution and full-hole core, from larger sized angle, considers weight
The impact of power, more accurately discloses formation temperature, the growing state of acidizing wormhole under pressure condition.Therefore this utility model tool
There is certain market prospect.
Claims (6)
1. full diameter acidizing wormhole extension physical modeling's clamper, including: upper plug head (1), alloy outer shroud (2)；Upper flange
(3), sealing ring (4), coning sleeve (5), cylinder (6), rubber sleeve (7), lower end cap (8), lower flange (9), under little pressure cap (10), add
Hot systems (11), cylinder fixture (12), rotary shaft (13), rotating shaft base (14), support (15), logical acid conduit (16), plug pad
Sheet (17)；It is characterized in that: upper plug head (1), alloy outer shroud (2)；Upper flange (3), sealing ring (4), coning sleeve (5), cylinder
(6), rubber sleeve (7), lower end cap (8), lower flange (9), under little pressure cap (10), heating system (11), cylinder fixture (12), logical acid
Conduit (16), plug pad (17) are arranged on support (15) by rotary shaft (13), rotating shaft base (14)；Cylinder fixture (12)
Connect rotary shaft (13) and cylinder (6)；Cylinder (6) and alloy outer shroud (2) by upper flange (3) and under little pressure cap (10) connect, and
Under by, little pressure cap (10) is firm；Coning sleeve (5) is positioned between cylinder (6) and upper plug head (1), lower end cap (8), is possible to prevent dress
Put metal partial compression and extrude impaired deformation；The rotary shaft (13) being arranged on cylinder fixture (12) rotating shaft base (14) can make whole
Individual device rotates in 360 degree；Lower end cap (8) and upper plug head (1), lower flange (9) and the mounting means of upper flange (3), installation
Position, effect, shape size are just the same.
One the most according to claim 1 full diameter acidizing wormhole extension physical modeling's clamper, it is characterised in that: upper stifled
Head (1) and You Liangge hole, lower end cap (8) center, it is possible to realize acid solution Efficient Cycle.
One the most according to claim 1 full diameter acidizing wormhole extension physical modeling's clamper, it is characterised in that: rubber
The two ends of set (7) are processed as bell mouth shape；Coning sleeve (5), is made up of a band of column portion and a conical ring portion, wherein coning sleeve
(5) structure is corresponding to the loudspeaker oral area of rubber sleeve (7), and the conical ring portion of coning sleeve (5) is inserted into the loudspeaker oral area of rock core sleeve
Time interior, the two is in sealing contact；Outer wall in coning sleeve (5) ring portion is circumferentially machined with annular groove, this annular groove liner O RunddichtringO,
Additionally the band of column portion of coning sleeve (5) and the internal diameter in conical ring portion are equal；Two ends are inserted with the rock core sleeve integral installation of coning sleeve (5)
Enter in cylinder, between cylinder (6) and rubber sleeve (7), under the effect of coning sleeve (5) and O RunddichtringO, define one
The ring pressure storehouse closed.
One the most according to claim 1 full diameter acidizing wormhole extension physical modeling's clamper, it is characterised in that: upper stifled
Head (1) and lower end cap (8) spacing can be adjusted by increase and decrease plug pad (17), can meet different length rock core
Operation requirement.
One the most according to claim 1 full diameter acidizing wormhole extension physical modeling's clamper, it is characterised in that: upper stifled
Head (1), alloy outer shroud (2)；Upper flange (3), cylinder (6), lower end cap (8), lower flange (9), under little pressure cap (10), heating system
(11), cylinder fixture (12), logical acid conduit (16), plug pad (17) use acidproof Hastelloy.
One the most according to claim 1 full diameter acidizing wormhole extension physical modeling's clamper, it is characterised in that: heating
System (11) produces heat and passes sequentially through cylinder (6), rubber sleeve (7) to rock core heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620566922.3U CN205844323U (en) | 2016-06-13 | 2016-06-13 | A kind of full diameter acidizing wormhole extension physical modeling's clamper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620566922.3U CN205844323U (en) | 2016-06-13 | 2016-06-13 | A kind of full diameter acidizing wormhole extension physical modeling's clamper |
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| Publication Number | Publication Date |
|---|---|
| CN205844323U true CN205844323U (en) | 2016-12-28 |
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|---|---|---|---|
| CN201620566922.3U Expired - Fee Related CN205844323U (en) | 2016-06-13 | 2016-06-13 | A kind of full diameter acidizing wormhole extension physical modeling's clamper |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645999A (en) * | 2018-05-29 | 2018-10-12 | 中国石油大学(北京) | The real-time dynamics evaluation apparatus and method of full-hole core acid corrosion fracture |
| CN108708716A (en) * | 2018-05-18 | 2018-10-26 | 西南石油大学 | A kind of multifunction three-dimensional flow simulating locking device |
| CN109356575A (en) * | 2018-10-19 | 2019-02-19 | 成都理工大学 | The multidirectional seepage flow coupling of rock core monitors bottom water coning device |
| CN109374858A (en) * | 2018-10-19 | 2019-02-22 | 成都理工大学 | A kind of heterogeneous fracture hole core holding unit of gravity multi-parameter monitoring |
| CN111239021A (en) * | 2020-02-26 | 2020-06-05 | 西南石油大学 | Flat plate holder for simulating multiphase fluid flowing in cracks and use method thereof |
-
2016
- 2016-06-13 CN CN201620566922.3U patent/CN205844323U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708716A (en) * | 2018-05-18 | 2018-10-26 | 西南石油大学 | A kind of multifunction three-dimensional flow simulating locking device |
| CN108645999A (en) * | 2018-05-29 | 2018-10-12 | 中国石油大学(北京) | The real-time dynamics evaluation apparatus and method of full-hole core acid corrosion fracture |
| CN108645999B (en) * | 2018-05-29 | 2023-08-22 | 中国石油大学(北京) | Real-time dynamic evaluation device and method for full-diameter rock core acid etching crack flow conductivity |
| CN109356575A (en) * | 2018-10-19 | 2019-02-19 | 成都理工大学 | The multidirectional seepage flow coupling of rock core monitors bottom water coning device |
| CN109374858A (en) * | 2018-10-19 | 2019-02-22 | 成都理工大学 | A kind of heterogeneous fracture hole core holding unit of gravity multi-parameter monitoring |
| CN111239021A (en) * | 2020-02-26 | 2020-06-05 | 西南石油大学 | Flat plate holder for simulating multiphase fluid flowing in cracks and use method thereof |
| CN111239021B (en) * | 2020-02-26 | 2020-12-08 | 西南石油大学 | Flat plate holder for simulating multiphase fluid flowing in cracks and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20170613 |