CN202101896U - Clamp holder for confining pressure sample - Google Patents
Clamp holder for confining pressure sample Download PDFInfo
- Publication number
- CN202101896U CN202101896U CN2011202060723U CN201120206072U CN202101896U CN 202101896 U CN202101896 U CN 202101896U CN 2011202060723 U CN2011202060723 U CN 2011202060723U CN 201120206072 U CN201120206072 U CN 201120206072U CN 202101896 U CN202101896 U CN 202101896U
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- plunger
- pretension
- cap
- confined pressure
- tube
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Abstract
The utility model relates to the technical field of sample clamp holders of performance evaluation devices of selfhealing cement pastes, in particular to a clamp holder for a confining pressure sample, which comprises a first plunger, a clamping device, a location cylinder, a plunger plug and a second plunger. The first plunger is a cylinder with a sealed left end, and the second plunger is a cylinder. The second plunger is arranged on the right of the first plunger, and a distance is kept between the first plunger and the second plunger. The outer diameter of the first plunger is equal to that of the second plunger. An oil inlet communicated with the inside of the first plunger is arranged on the left portion of the first plunger, an adjusting valve is fixedly arranged on the oil inlet, and the clamping device is fixedly arranged on the outer side of the first plunger and the outer side of the second plunger. The clamp holder for the confining pressure sample has reasonable and compact structure, can better approach underground reality, evaluates capability of a cement sheath of automatically repairing cracks and sealing an oil reservoir when a cement sheath body cracks and meets up-fleeing oil, and then enables the data collected by an evaluation device to be more real.
Description
Technical field
The utility model relates to the specimen holder technical field of self-healing grout assess performance device, is a kind of confined pressure specimen holder.
Background technology
After well cementing operation was accomplished, cement mantle received the influence of terrestrial stress, perforation, well-completion practice and produces microfracture, and cement mantle is met oil gas and can be caused oil gas to be formed by microfracture scurrying groove, cause the packing inefficacy; At present, the mortar architecture that addresses this problem does not also have maturation, and external one tame oil company released the self-healing system in 2007, at present just in experimental stage; The evaluating apparatus of the said firm can only be estimated the crack of cement mantle first cementation interface formation and meet the ability that the self-healing of oil gas cement mantle reaches the packing effect; The microfracture of cement stone body does not relate to; There is limitation in the evaluating apparatus of the said firm, and sense data simply and easily.
Summary of the invention
The utility model provides a kind of confined pressure specimen holder, has overcome the deficiency of above-mentioned prior art, and it can effectively solve evaluating apparatus and have limitation, and the problem of sense data simply and easily.
The technical scheme of the utility model realizes through following measure: a kind of confined pressure specimen holder comprises first plunger, clamping device, positioning tube, plunger plug and second plunger; First plunger is the tubular of left end sealing, and second plunger is tubular, and there is second plunger on first plunger right-hand, between first plunger and second plunger distance arranged; The external diameter of first plunger equates with the external diameter of second plunger; Left part at first plunger has the oil supply hole that communicates with the first plunger inside, on oil supply hole, is installed with variable valve; External stability at first plunger and second plunger is equipped with clamping device; Form toroidal cavity between first plunger, second plunger and the clamping device; With on the corresponding clamping device of toroidal cavity the confined pressure oil supply hole is arranged, on the confined pressure oil supply hole, be installed with variable valve; The right part outside at second plunger is fixedly connected with positioning tube; On the positioning tube corresponding fluid hole is arranged with second plunger; Fluid hole communicates with the inside of second plunger, on fluid hole, is installed with variable valve, and the plunger plug that can the right output port of second plunger be blocked is arranged at the positioning tube internal fixation.
Be to the further optimization of above-mentioned utility model technical scheme below or/and improve:
Above-mentioned clamping device can comprise gum cover, clamper tube, the first pretension cap and the second pretension cap; There is gum cover in the outside at first plunger and second plunger; Left at gum cover has the first pretension cap; On gum cover right-hand the second pretension cap is arranged, in the outside of gum cover draw-in groove is arranged, the clamper tube is positioned at draw-in groove; On gum cover and clamper tube, the confined pressure oil supply hole is arranged; The inboard left part outside with the clamper tube of the right part of the first pretension cap is fixed together, and the inboard right part outside with the clamper tube of the left part of the second pretension cap is fixed together, and can gum cover and clamper tube be fixed on first plunger and second plunger through the first pretension cap and the second pretension cap.
The outer left side of the inner right side of the above-mentioned first pretension cap and clamper tube can be fixed together through screw thread, and the outside right side of the inside left of the second pretension cap and clamper tube fixedly is fixed together through screw thread.
The left part of above-mentioned first plunger can have positioning boss, and the oil supply hole that communicates with the first plunger inside is arranged on positioning boss; The first pretension cap, gum cover and the second pretension cap are fixed on first plunger and second plunger between positioning boss and the positioning tube.
The outside right side of above-mentioned second plunger can be fixed with baffle ring, in the positioning tube inside left annular mounting groove is arranged, and baffle ring is installed in the mounting groove of positioning tube.
Can there be the cylindrical shell boss above-mentioned positioning tube right-hand member inboard, is fixedly connected with locating sleeve at the endoporus of cylindrical shell boss, is connected with the plunger plug at the locating sleeve internal fixation.
The outside of the inside of above-mentioned locating sleeve and plunger plug can be fixed together through screw thread.
The utility model reasonable and compact in structure can better closely be descended truth, runs into behind the evaluation cement mantle body generation microfracture and scurries oil gas, and cement mantle is repaired the ability of Crack Sealing oil removal gas-bearing formation automatically; This evaluating apparatus also has automatic data collection, automatic mapping function, and is simple to operate.
Description of drawings
Accompanying drawing 1 is looked the half section structural representation for the master of the utility model most preferred embodiment.
Coding in the accompanying drawing is respectively: 1 is first plunger, and 2 is positioning boss, and 3 is oil supply hole, and 4 is variable valve, and 5 is baffle ring; 6 is the confined pressure oil supply hole, and 7 is positioning tube, and 8 is fluid hole, and 9 is the plunger plug; 10 is second plunger, and 11 is gum cover, and 12 is the clamper tube, and 13 is the first pretension cap; 14 is the second pretension cap, and 15 is the cylindrical shell boss, and 16 is locating sleeve, and 17 is toroidal cavity.
Embodiment
The utility model does not receive the restriction of following embodiment, can confirm concrete embodiment according to the technical scheme and the actual conditions of the utility model.
In the utility model; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description, as: the position relation of upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1, this confined pressure specimen holder comprises first plunger 1, clamping device, positioning tube 7, plunger plug 9 and second plunger 10; First plunger 1 is the tubular of left end sealing, and second plunger 10 is tubular, and first plunger 1 right-hand has between second plunger, 10, the first plungers 1 and second plunger 10 distance is arranged; The external diameter of first plunger 1 equates with the external diameter of second plunger 10; Left part at first plunger 1 has the oil supply hole 3 that communicates with the first plunger inside, on oil supply hole 3, is installed with variable valve 4; External stability at first plunger 1 and second plunger 10 is equipped with clamping device; Form toroidal cavity 17 between first plunger 1, second plunger 10 and the clamping device; With on the toroidal cavity 17 corresponding clamping devices confined pressure oil supply hole 6 is arranged, on confined pressure oil supply hole 6, be installed with variable valve 4; The right part outside at second plunger 10 is fixedly connected with positioning tube 7; On the positioning tube 7 corresponding fluid hole 8 is arranged with second plunger 2; Fluid hole 8 communicates with the inside of second plunger 10; On fluid hole 8, be installed with variable valve 4, the plunger plug 9 that can the right output port of second plunger 10 be blocked is arranged at positioning tube 7 internal fixation.
Shown in accompanying drawing 1, clamping device comprises gum cover 11, clamper tube 12, the first pretension cap 13 and the second pretension cap 14; There is gum cover 11 in the outside at first plunger 1 and second plunger 10; Left at gum cover 11 has the first pretension cap 13, on gum cover 11 right-hand the second pretension cap 14 is arranged, and in the outside of gum cover 11 draw-in groove is arranged; Clamper tube 12 is positioned at draw-in groove; On gum cover 11 and clamper tube 12, have the inboard left part outside with clamper tube 12 of right part of confined pressure oil supply hole 6, the first pretension caps 13 to be fixed together, 14 left parts of the second pretension cap right part outside inboard and clamper tube 12 is fixed together; Can gum cover 11 and clamper tube 12 be fixed on first plunger 1 and second plunger 10 through the first pretension cap 13 and the second pretension cap 14, fixed form can adopt pin fixing.
Shown in accompanying drawing 1; For the ease of installation and removal; The inboard left part outside with clamper tube 12 of the right part of the first pretension cap 13 is fixed together through screw thread, and the inboard right part outside with clamper tube 12 of the left part of the second pretension cap 14 fixedly is fixed together through screw thread.
Shown in accompanying drawing 1, at the left part of first plunger 1 positioning boss 2 is arranged, the oil supply hole 3 that communicates with first plunger, 1 inside is arranged on positioning boss 2; The first pretension cap 13, gum cover 11 and the second pretension cap 14 are fixed on first plunger 1 and second plunger 10 between positioning boss 2 and the positioning tube 7.
Shown in accompanying drawing 1, be fixed with baffle ring 5 in the right part outside of second plunger 10, the mounting groove of annular is arranged in positioning tube 7 left part inboards, baffle ring 5 is installed in the mounting groove.
Shown in accompanying drawing 1, in positioning tube 7 right-hand member inboards cylindrical shell boss 15 is arranged, be fixedly connected with locating sleeve 16 at the endoporus of cylindrical shell boss 15, be connected with plunger plug 9 at locating sleeve 16 internal fixation.
Shown in accompanying drawing 1, the outside of the inside of locating sleeve 16 and plunger plug 9 is fixed together through screw thread.
Above technical characterictic has constituted the most preferred embodiment of the utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The installation of the utility model most preferred embodiment and use: at first in cement stone body, make a microfracture as experiment product; Take out gum cover 11 and clamper tube 12; Clamper tube 12 is installed in the draw-in groove of gum cover 11 outsides; Cement stone body is positioned in the gum cover 11, the first pretension cap 13 is installed in gum cover 11 left ends fixes, then first plunger 1 is installed in the inside left of gum cover 11; Again the second pretension cap 14 is installed in gum cover 11 right parts and fixes, then second plunger 10 is installed in the right part of gum cover 11, cement stone body is positioned at toroidal cavity 17; And then positioning tube 7 fixed clamping device from the right side, and screw in the right output port of blocking second plunger 14 with plunger plug 9 from the inside of locating sleeve 16, install.
Mounted utility model is provided with the liquid supply rate and the liquid supply pressure of fueller by imposing a condition, inject the confined pressure that oil provides sample from confined pressure oil supply hole 6; Set the confined pressure value of confining pressure device, by inlet opening 3 fluid is provided again, flow out from fluid hole 8 through the slit on the cement stone body; Discharge converges on the weighing device; Import database to the liquid outlet quantity data by harvester again, draw out appraisal curve figure, can estimate out cement mantle self-healing performance from curve map according to the assess performance needs.
Claims (10)
1. a confined pressure specimen holder is characterized in that comprising first plunger, clamping device, positioning tube, plunger plug and second plunger; First plunger is the tubular of left end sealing, and second plunger is tubular, and there is second plunger on first plunger right-hand, between first plunger and second plunger distance arranged; The external diameter of first plunger equates with the external diameter of second plunger; Left part at first plunger has the oil supply hole that communicates with the first plunger inside, on oil supply hole, is installed with variable valve; External stability at first plunger and second plunger is equipped with clamping device; Form toroidal cavity between first plunger, second plunger and the clamping device; With on the corresponding clamping device of toroidal cavity the confined pressure oil supply hole is arranged, on the confined pressure oil supply hole, be installed with variable valve; The right part outside at second plunger is fixedly connected with positioning tube; On the positioning tube corresponding fluid hole is arranged with second plunger; Fluid hole communicates with the inside of second plunger, on fluid hole, is installed with variable valve, and the plunger plug that can the right output port of second plunger be blocked is arranged at the positioning tube internal fixation.
2. confined pressure specimen holder according to claim 1 is characterized in that clamping device comprises gum cover, clamper tube, the first pretension cap and the second pretension cap; There is gum cover in the outside at first plunger and second plunger; Left at gum cover has the first pretension cap; On gum cover right-hand the second pretension cap is arranged, in the outside of gum cover draw-in groove is arranged, the clamper tube is positioned at draw-in groove; On gum cover and clamper tube, the confined pressure oil supply hole is arranged; The inboard left part outside with the clamper tube of the right part of the first pretension cap is fixed together, and the inboard right part outside with the clamper tube of the left part of the second pretension cap is fixed together, and can gum cover and clamper tube be fixed on first plunger and second plunger through the first pretension cap and the second pretension cap.
3. confined pressure specimen holder according to claim 2; It is characterized in that the inner right side of the first pretension cap and the outer left side of clamper tube are fixed together through screw thread, the outside right side of the inside left of the second pretension cap and clamper tube fixedly is fixed together through screw thread.
4. confined pressure specimen holder according to claim 1 and 2 is characterized in that the left part of first plunger has positioning boss, and the oil supply hole that communicates with the first plunger inside is arranged on positioning boss; The first pretension cap, gum cover and the second pretension cap are fixed on first plunger and second plunger between positioning boss and the positioning tube.
5. confined pressure specimen holder according to claim 3 is characterized in that the left part of first plunger has positioning boss, and the oil supply hole that communicates with the first plunger inside is arranged on positioning boss; The first pretension cap, gum cover and the second pretension cap are fixed on first plunger and second plunger between positioning boss and the positioning tube.
6. confined pressure specimen holder according to claim 1 and 2 is characterized in that the outside right side of second plunger is fixed with baffle ring, in the positioning tube inside left annular mounting groove is arranged, and baffle ring is installed in the mounting groove of positioning tube.
7. confined pressure specimen holder according to claim 5 is characterized in that the outside right side of second plunger is fixed with baffle ring, in the positioning tube inside left annular mounting groove is arranged, and baffle ring is installed in the mounting groove of positioning tube.
8. confined pressure specimen holder according to claim 1 and 2 is characterized in that there is the cylindrical shell boss positioning tube right-hand member inboard, is fixedly connected with locating sleeve at the endoporus of cylindrical shell boss, is connected with the plunger plug at the locating sleeve internal fixation.
9. confined pressure specimen holder according to claim 7 is characterized in that there is the cylindrical shell boss positioning tube right-hand member inboard, is fixedly connected with locating sleeve at the endoporus of cylindrical shell boss, is connected with the plunger plug at the locating sleeve internal fixation.
10. the confined pressure specimen holder of stating according to claim 9 is characterized in that the inside of locating sleeve and the outside of plunger plug are fixed together through screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202060723U CN202101896U (en) | 2011-06-18 | 2011-06-18 | Clamp holder for confining pressure sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202060723U CN202101896U (en) | 2011-06-18 | 2011-06-18 | Clamp holder for confining pressure sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202101896U true CN202101896U (en) | 2012-01-04 |
Family
ID=45387902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202060723U Expired - Lifetime CN202101896U (en) | 2011-06-18 | 2011-06-18 | Clamp holder for confining pressure sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202101896U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230878A (en) * | 2011-06-18 | 2011-11-02 | 中国石油集团西部钻探工程有限公司 | Confining pressure specimen clamper |
| CN112461725A (en) * | 2019-09-09 | 2021-03-09 | 中国矿业大学(北京) | Seepage characteristic testing system and method for mining fractured rock |
-
2011
- 2011-06-18 CN CN2011202060723U patent/CN202101896U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230878A (en) * | 2011-06-18 | 2011-11-02 | 中国石油集团西部钻探工程有限公司 | Confining pressure specimen clamper |
| CN102230878B (en) * | 2011-06-18 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Confining pressure specimen clamper |
| CN112461725A (en) * | 2019-09-09 | 2021-03-09 | 中国矿业大学(北京) | Seepage characteristic testing system and method for mining fractured rock |
| CN112461725B (en) * | 2019-09-09 | 2022-01-28 | 中国矿业大学(北京) | Seepage characteristic testing system and method for mining fractured rock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120104 Effective date of abandoning: 20130522 |
|
| RGAV | Abandon patent right to avoid regrant |