CN212031248U - Ultra-temperature high-pressure core holder - Google Patents
Ultra-temperature high-pressure core holder Download PDFInfo
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- CN212031248U CN212031248U CN202020486054.4U CN202020486054U CN212031248U CN 212031248 U CN212031248 U CN 212031248U CN 202020486054 U CN202020486054 U CN 202020486054U CN 212031248 U CN212031248 U CN 212031248U
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Abstract
The utility model discloses an ultra-temperature high pressure rock core holder relates to holder device technical field, and the in-process compressive strength who uses for solving current holder is not enough, causes the rock core to measure or the displacement in-process such as experiment can take place to supply to press limited problem at the permeability. The outer wall of the ejector rod is provided with a gland, the outer wall of the gland is provided with a cylinder cover, the outer wall of the cylinder cover is provided with a large handle, one side of the cylinder cover is provided with a cylinder body, one side of the cylinder body is provided with a cylinder sliding cover, the outer wall of the cylinder sliding cover is provided with a small handle, one side of the cylinder sliding cover is provided with a sliding gland cover, a ring-type sealing sleeve is arranged inside the sliding gland cover, a first alloy sleeve is arranged below the ring-type sealing sleeve, a sliding ejector rod is arranged below the first alloy sleeve, a first sliding ejector guide sleeve is arranged below the sliding ejector rod, a sliding nut is arranged on one side of the first sliding ejector guide sleeve, and a second sliding ejector guide sleeve is arranged on one side.
Description
Technical Field
The utility model relates to a holder technical field specifically is an ultra-temperature high pressure rock core holder.
Background
The core holder is an instrument used for holding and protecting a rock sample and sealing a cylindrical surface or an end surface (generally an end surface with a reserved fluid inlet and outlet) when the seepage characteristics of the rock sample are measured in a laboratory or a displacement experiment is carried out, and is an indispensable important auxiliary component in the development of experimental instrument devices.
The compressive strength of the core holder directly determines the environmental state of the rock sample in the holder, and the pressure environment provided by the holder for the core is directly related to whether the result obtained by the permeability measurement or the displacement experiment of the rock sample is real and reliable. The closer the pressure is to the actual pressure of the formation, the greater the instructive significance of the test results on the actual production activities in the field.
The existing holder is limited in compressive strength due to mechanical design, and cannot meet requirements when ultra-high temperature and high pressure conditions in deep wells and ultra-deep well environments are simulated, so that an ultra-high temperature and high pressure core holder is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ultra-high temperature high pressure rock core holder to it is not enough because of compressive strength at the in-process that uses to propose current holder in solving above-mentioned background art, can't simulate the problem of ultra-high temperature high-pressure condition in deep well, the ultra-deep well environment.
In order to achieve the above object, the utility model provides a following technical scheme: a core holder for ultrahigh-temperature and high-pressure cores comprises an ejector rod, wherein a gland is arranged on the outer wall of the ejector rod, a cylinder cover is arranged on the outer wall of the gland, a large handle is arranged on the outer wall of the cylinder cover, a cylinder body is arranged on one side of the cylinder cover, a cylinder sliding cover is arranged on one side of the cylinder sliding cover, a small handle is arranged on the outer wall of the cylinder sliding cover, a sliding cover is arranged on one side of the cylinder sliding cover, a ring-type sealing sleeve is arranged inside the sliding cover, a first alloy sleeve is arranged below the ring-type sealing sleeve, a sliding ejector rod is arranged below the first alloy sleeve, a first sliding top guide sleeve is arranged below the sliding ejector rod, a sliding nut is arranged on one side of the first sliding top guide sleeve, a second sliding top guide sleeve is arranged on one side of the sliding nut, a third alloy sleeve is arranged on one side of the second sliding top guide sleeve, a bushing, one side of rock core is provided with O type circle retaining ring, one side of O type circle retaining ring is provided with O type circle, one side of O type circle is provided with presss from both sides tight spring housing, one side that presss from both sides tight spring housing is provided with presss from both sides tight pressure head, one side that presss from both sides tight pressure head is provided with sealed snare, one side of sealed snare is provided with second alloy cover, one side of second alloy cover is provided with fourth alloy cover, the outer wall of barrel is provided with the support stand, the below of support stand is provided with the support bottom plate, the support stand passes through fastening nut fixed connection with the support bottom plate.
Preferably, the number of the O-shaped rings is two, and the two O-shaped rings are distributed on two sides of the rock core.
Preferably, the number of the clamping spring sleeves is two, and the two clamping spring sleeves are distributed on two sides of the core.
Preferably, six large handles are arranged and are uniformly distributed around the cylinder cover.
Preferably, the cylinder sliding cover is in threaded connection with the sliding press cover.
Preferably, the number of the support stand columns is four, and the four support stand columns are uniformly distributed around the lower portion of the cylinder body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up O type snare and O type circle, the sealing performance of improvement ultra-temperature high pressure rock core holder that can be great strengthens the pressure resistance of holder.
2. Through setting up the bush structure, can ensure that the rock core carries out the permeability in high pressure environment and measures or the displacement experimentation, fluid flows in from rock core one side terminal surface all the time, flows out from opposite side terminal surface.
3. Through setting up ejector pin and slip ejector pin structure, can be according to the length adjustment ejector pin of rock core and the distance between the slip ejector pin to can be better fix the rock core, ensure the flow direction of fluid through the rock core.
Drawings
Fig. 1 is an overall sectional view of the present invention;
FIG. 2 is an overall side view of the present invention;
fig. 3 is a schematic view of the part a of the present invention.
In the figure: 1. a top rod; 2. a gland; 3. a cylinder cover; 4. a large handle; 5. a barrel; 6. a core; 7. a cylinder sliding cover; 8. a small handle; 9. a sliding gland; 10. a ring-type sealing sleeve; 11. sliding the ejector rod; 12. a first alloy sleeve; 13. a first sliding roof guide sleeve; 14. a bracket base plate; 15. a bracket upright post; 16. fastening a nut; 17. an O-shaped ring; 18. a bushing; 19. an O-shaped ring retainer ring; 20. clamping the spring housing; 21. clamping the pressure head; 22. sealing the snare; 23. a second alloy sleeve; 24. sliding the nut; 25. a second sliding roof guide sleeve; 26. a third alloy cover; 27. and a fourth alloy sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: an ultra-high temperature and high pressure core holder comprises an ejector rod 1 and a core 6 which can be firmly clamped with a sliding ejector rod 11, wherein the outer wall of the ejector rod 1 is provided with a gland 2 to prevent the ejector rod 1 from moving, the outer wall of the gland 2 is provided with a cylinder cover 3, the outer wall of the cylinder cover 3 is provided with a large handle 4 to firmly clamp the ejector rod 1, one side of the cylinder cover 3 is provided with a cylinder body 5, one side of the cylinder body 5 is provided with a cylinder sliding cover 7, the outer wall of the cylinder sliding cover 7 is provided with a small handle 8 to firmly fix the sliding ejector rod 11, one side of the cylinder sliding cover 7 is provided with a sliding gland 9, the inside of the sliding gland 9 is provided with a ring-type seal sleeve 10 to improve the sealing performance of the holder and prevent air or moisture from entering the inside of the cylinder body 5, a first alloy sleeve 12 is arranged below the ring-type seal sleeve 10 to further improve, a first sliding top guide sleeve 13 is arranged below the sliding top rod 11, so that the resistance of the sliding top rod 11 during moving can be reduced, and deformation in long-term use can be avoided, a sliding nut 24 is arranged on one side of the first sliding top guide sleeve 13, a second sliding top guide sleeve 25 is arranged on one side of the sliding nut 24, a third alloy sleeve 26 is arranged on one side of the second sliding top guide sleeve 25, a bushing 18 is arranged in the cylinder body 5, a core 6 is arranged below the bushing 18, an O-shaped ring retainer ring 19 is arranged on one side of the core 6, so that the sealing performance of the holder can be greatly improved, an O-shaped ring 17 is arranged on one side of the O-shaped ring retainer ring 19, so that the contact area with the core 6 can be increased, the core 6 is prevented from being crushed, a clamping spring sleeve 20 is arranged on one side of the O-shaped ring 17, a clamping pressure head 21 is arranged on one side of the clamping spring sleeve 20, the second alloy sleeve 23 is arranged on one side of the sealing ring sleeve 22, the fourth alloy sleeve 27 is arranged on one side of the second alloy sleeve 23, the support upright post 15 is arranged on the outer wall of the barrel 5, the clamp holder can be firmly fixed on the support base plate 14, the support base plate 14 is arranged below the support upright post 15, vibration of the clamp holder in the using process is avoided, and the support upright post 15 is fixedly connected with the support base plate 14 through the fastening nut 16.
Further, O type circle 17 is provided with two, and two O type circles 17 distribute in the both sides of rock core 6, can improve the leakproofness of holder, avoid going on the in-process entering air or moisture that the long-term was preserved to rock core 6 and lead to rock core 6 to take place rotten problem.
Further, the two clamping spring sleeves 20 are arranged, the two clamping spring sleeves 20 are distributed on two sides of the core 6, the clamping force on the core 6 can be improved, and the problem that the core 6 is fluffy in long-term storage is avoided.
Furthermore, six large handles 4 are arranged, and the six large handles 4 are uniformly distributed around the cylinder cover 3, so that the tightening force of the ejector rod 1 can be improved, the rock core 6 is firmly fixed, and the loosening phenomenon of the rock core 6 is avoided.
Further, a cylinder sliding cover 7 is in threaded connection with a sliding pressing cover 9, so that the firmness of the cylinder sliding cover 7 and the sliding pressing cover 9 can be improved, and looseness in the use process is avoided.
Further, four support columns 15 are arranged, and the four support columns 15 are uniformly distributed around the lower portion of the barrel 5, so that the stability of the holder can be improved, and the fluid state passing through the rock core is guaranteed to be stable and mild.
The working principle is as follows: when the core-pulling type rock core sealing device is used, firstly, the ejector rod 1, the pressing cover 2 and the cylinder cover 3 are installed on one side of the cylinder body 5, then the large handle 4 is installed on the periphery of the cylinder cover 3, the support bottom plate 14 is placed on the stable ground, then, the rock core 6 for drilling sampling is placed in the lining 18, then, the lining 18 is placed in the cylinder body 5, then, the O-shaped ring check ring 19 and the O-shaped ring 17 are sequentially placed in the cylinder body 5, then, the clamping spring sleeve, the clamping pressing head, the sealing ring sleeve and the second alloy sleeve are placed on one side of the O-shaped ring, finally, the sliding nut 24, the annular sealing sleeve 10, the first sliding top guide sleeve 13, the sliding pressing cover 9 and the sliding top rod 11 are installed, the small handle 8 is rotated, the sliding top rod 11 and the ejector rod 1 are enabled to firmly seal and fix the rock core 6.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an ultra-high temperature high pressure core holder, includes ejector pin (1), its characterized in that: the outer wall of the ejector rod (1) is provided with a gland (2), the outer wall of the gland (2) is provided with a cylinder cover (3), the outer wall of the cylinder cover (3) is provided with a large handle (4), one side of the cylinder cover (3) is provided with a cylinder body (5), one side of the cylinder body (5) is provided with a cylinder sliding cover (7), the outer wall of the cylinder sliding cover (7) is provided with a small handle (8), one side of the cylinder sliding cover (7) is provided with a sliding gland cover (9), the inside of the sliding gland cover (9) is provided with a ring-type sealing sleeve (10), a first alloy sleeve (12) is arranged below the ring-type sealing sleeve (10), the lower part of the first alloy sleeve (12) is provided with a sliding ejector rod (11), the lower part of the sliding ejector rod (11) is provided with a first sliding ejector guide sleeve (13), one side of the first sliding ejector guide sleeve (, a second sliding top guide sleeve (25) is arranged on one side of the sliding nut (24), a third alloy sleeve (26) is arranged on one side of the second sliding top guide sleeve (25), a bushing (18) is arranged inside the barrel (5), a rock core (6) is arranged below the bushing (18), an O-shaped ring check ring (19) is arranged on one side of the rock core (6), an O-shaped ring (17) is arranged on one side of the O-shaped ring check ring (19), a clamping spring sleeve (20) is arranged on one side of the O-shaped ring (17), a clamping pressure head (21) is arranged on one side of the clamping spring sleeve (20), a sealing ring sleeve (22) is arranged on one side of the clamping pressure head (21), a second alloy sleeve (23) is arranged on one side of the sealing ring sleeve (22), a fourth alloy sleeve (27) is arranged on one side of the second alloy sleeve (23), and a support upright post (15) is arranged on the outer wall of the, a support bottom plate (14) is arranged below the support upright post (15), and the support upright post (15) is fixedly connected with the support bottom plate (14) through a fastening nut (16).
2. The ultra-high temperature and high pressure core holder as claimed in claim 1, wherein: the number of the O-shaped rings (17) is two, and the two O-shaped rings (17) are distributed on two sides of the rock core (6).
3. The ultra-high temperature and high pressure core holder as claimed in claim 1, wherein: the number of the clamping spring sleeves (20) is two, and the two clamping spring sleeves (20) are distributed on two sides of the core (6).
4. The ultra-high temperature and high pressure core holder as claimed in claim 1, wherein: six large handles (4) are arranged and are uniformly distributed around the cylinder cover (3).
5. The ultra-high temperature and high pressure core holder as claimed in claim 1, wherein: the cylinder sliding cover (7) is in threaded connection with the sliding pressure cover (9).
6. The ultra-high temperature and high pressure core holder as claimed in claim 1, wherein: the support upright columns (15) are four, and the four support upright columns (15) are uniformly distributed around the lower portion of the barrel body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020486054.4U CN212031248U (en) | 2020-04-07 | 2020-04-07 | Ultra-temperature high-pressure core holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020486054.4U CN212031248U (en) | 2020-04-07 | 2020-04-07 | Ultra-temperature high-pressure core holder |
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| Publication Number | Publication Date |
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| CN212031248U true CN212031248U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020486054.4U Active CN212031248U (en) | 2020-04-07 | 2020-04-07 | Ultra-temperature high-pressure core holder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116046526A (en) * | 2022-12-20 | 2023-05-02 | 南通市中京机械有限公司 | Ultrahigh-temperature high-pressure core holder |
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2020
- 2020-04-07 CN CN202020486054.4U patent/CN212031248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116046526A (en) * | 2022-12-20 | 2023-05-02 | 南通市中京机械有限公司 | Ultrahigh-temperature high-pressure core holder |
| CN116046526B (en) * | 2022-12-20 | 2023-12-01 | 南通市中京机械有限公司 | Ultrahigh-temperature high-pressure core holder |
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