CN205091281U - Nonmetal high -pressure rock core holder - Google Patents
Nonmetal high -pressure rock core holder Download PDFInfo
- Publication number
- CN205091281U CN205091281U CN201520829557.6U CN201520829557U CN205091281U CN 205091281 U CN205091281 U CN 205091281U CN 201520829557 U CN201520829557 U CN 201520829557U CN 205091281 U CN205091281 U CN 205091281U
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- cap
- plug
- cylindrical shell
- holding unit
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Abstract
The utility model relates to a nonmetal high -pressure rock core holder, including left side joint, right side joint, left end cap, right end cap, left cap, right cap, barrel, pyrocondensation pipe, the pyrocondensation pipe is placed in the barrel, is divided into the barrel inner chamber and encloses the chamber, and in left end cap and right end cap inserted the barrel respectively from both ends, its fore -end all deepened the pyrocondensation pipe and supports self step, and the barrel both ends are connected with left cap and right cap, and the left cap and the right cap outside connect with the right side fixed left the joint respectively, are equipped with two central through holes on the left end cap, and right end cap is equipped with a central through hole, and right cap is equipped with the confined pressure and controls the port. The utility model relates to a rationally, simple structure, through adopting non -metallic material, reduce self to experiment test data's interference, improve the experiment effect, guarantee that the experiment is safe, easily dismantle and the structure location.
Description
Technical field
The utility model is rock electrical measurement field, particularly relates to a kind of nonmetal high pressure core holding unit.
Background technology
In the petroleum exploration and development stage, in order to simulate in actual formation burial diagenesis process, the consecutive variations situation of reservoir physical parameter under compaction, utilize different made ground matter samples, be a kind of approach to the simulated experiment of sandstone Compaction, wherein core clamping mechanism is requisite parts in experimentation.Existing core holding unit is made up of shell, rubber tube, the left top of rock core, the right top of rock core, left fixed muffle, right fixed muffle, left fastening sleeve, right fastening sleeve and fixed support mostly.Whole clamper and internal part are mostly metal cylinder cylindrical shell, high temperature resistant, corrosion resistance is all poor, the core holding unit of metal construction is in nuclear magnetic resonance test simultaneously, metal can disturb the result of nuclear magnetic resonance, the serious mensuration that thus have impact on experimental index, when core clamping mechanism works, need high temperature and high pressure, therefore requirement is proposed for its sealing, need to carry out careful observation to the compacting process of made ground matter sample in experimentation simultaneously, therefore a kind of nonmetal structure is just needed, high temperature resistant, the core holding unit of corrosion-resistant and good airproof performance.
Utility model content
For the problems referred to above, the utility model designs a kind of nonmetal high pressure core holding unit.
The technical solution of the utility model is as follows:
A kind of nonmetal high pressure core holding unit, comprise left joint, right connector, left plug, right plug, left cap, right cap, cylindrical shell, heat-shrink tube, described heat-shrink tube is positioned in cylindrical shell, cylindrical shell be divided into inner chamber and enclose chamber, left plug and right plug insert in cylindrical shell respectively from two ends, its fore-end all stretches into heat-shrink tube and props up self step, cylindrical shell two ends are connected with left cap and right cap, left joint and right connector is fixed respectively outside left cap and right cap, left plug is provided with two central through holes, right plug is provided with a central through hole, and right cap is provided with confined pressure control port.
Preferably, described left joint and left plug are threaded connection, and left plug and left cap are pushed against by step, and left cap and cylindrical shell are fixed by a pair coupling bolt; Described right connector and right cap, right cap and cylindrical shell are threaded connection, and right cap and right plug are pushed against by step.
Preferably, described left cap is provided with two place's O-ring seals, seals the space between left plug and left cap and between left cap and cylindrical shell respectively; Described right cap is provided with two place's O-ring seals, seals the space between right plug and right cap and between right cap and cylindrical shell respectively.
Preferably, two place's central through hole diameters on described left plug are consistent with length, and central through hole left end is equipped with screw thread; Central through hole right-hand member on described right plug is provided with screw thread.
Preferably, confined pressure control port outer end is provided with screw thread.
Preferably, what be separated out by heat-shrink tube in described confined pressure control port connection cylindrical shell encloses chamber.
Preferably, described core holding unit, its left joint, right connector, left plug, right plug, left cap, right cap, cylindrical shell are PEEK plastics, and heat-shrink tube is rubber.Design like this, can make that this core holding unit is noiseless to electromagnetic signal acquisition, weight reduction, enhancing anti-corrosion effects.
The utility model has the advantage of:
1. the utility model main body is that plastics or rubber are formed, and in magnetic resonance detection experiment, product own material can not impact detected value, reduces product weight simultaneously, is easy to transport and installs;
2. the utility model major part element adopts and is threaded or step location, and structure is simple, is easy to dismounting and structure location;
3. the utility model adopts O-ring seal to seal, and improves experiment effect, ensures experiment safety.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Shown in figure: 1 is left joint, 2 is left plug, and 3 is left cap, and 4 is cylindrical shell, and 5 is heat-shrink tube, and 6 is right plug, and 7 is right cap, and 8 is confined pressure control port, and 9 is coupling bolt, and 10 is O-ring seal, and 11 is rock core sample, through hole centered by 12, and 13 is right connector.
Embodiment
Below in conjunction with Figure of description and embodiment, the utility model is described in detail, but is not limited thereto.
As shown in Figure 1, a kind of nonmetal high pressure core holding unit, comprise left joint 1, right connector 13, left plug 2, right plug 6, left cap 3, right cap 7, cylindrical shell 4, heat-shrink tube 5, described heat-shrink tube 5 is positioned in cylindrical shell 4, cylindrical shell 4 be divided into inner chamber and enclose chamber, left plug 2 and right plug 6 insert in cylindrical shell 4 from two ends respectively, its fore-end all gos deep into heat-shrink tube 5 and props up self step, cylindrical shell 4 two ends are connected with left cap 3 and right cap 7, left joint 1 and right connector 13 is fixed respectively outside left cap 3 and right cap 7, left plug 2 is provided with two central through holes 12, right plug 6 is provided with a central through hole 12, right cap 7 is provided with confined pressure control port 8.
Described nonmetal high pressure core holding unit, in experimentation, rock core sample 11 is put into heat-shrink tube 5, heat-shrink tube 5 is put into cylindrical shell 4, and two ends left plug 2 and right plug 6 push against fixing, and left plug 2 is provided with step, left cap 3 is connected with cylindrical shell 4 by coupling bolt 9, left cap 3 one end is provided with seal groove and places O-ring seal 10, inserts cylindrical shell 4 by sealing between O-ring seal 10 and cylindrical shell 4, and pushes against fixing with left plug 2 step; Left cap 3 passes on left screw thread and is connected with left joint 1, and linkage section is provided with O-ring seal 10, by the compacting of left joint 1, realizes sealing between left plug 2 and left cap 3; Right plug 6 is also provided with step, and right cap 7 one end is provided with seal groove and places O-ring seal 10, inserts cylindrical shell 4 and is sealed by O-ring seal 10 and cylindrical shell 4, and push against fixing with right plug 6 step; Right cap 7 passes on left screw thread and is connected with right connector 13, and linkage section is provided with O-ring seal 10, by right connector 13 compacting, realizes sealing between right plug 6 and right cap 7.
Left plug 2 is provided with two the length central through hole 12 all consistent with diameter, central through hole 12 left end is provided with screw thread, right plug 6 is provided with a central through hole 12, and central through hole 12 right-hand member is provided with screw thread, and left plug 2 and the screw thread on right plug 6 are all for being connected experiment pipeline.
Right connector 13 is provided with confined pressure control port 8, and confined pressure control port 8 connects a through hole and encloses chamber to what separated in cylindrical shell 4 by heat-shrink tube 5, confined pressure control port 8 Bonding pressure source.
Described core holding unit, its left joint 1, right connector 13, left plug 2, right plug 6, left cap 3, right cap 7, cylindrical shell 4 are PEEK plastics, heat-shrink tube 5 is rubber, these elements are nonmetallic materials, and metal material carries out producing in the process of nuclear magnetic resonance test a large amount of interfering data at rock core sample 11, affect measuring accuracy, and adopt these materials, the weight of core holding unit can be reduced, be convenient to transport and install, increasing anti-corrosion effects.
Embodiment 1,
After obtaining rock core sample 11, rock core sample 11 is put into the heat-shrink tube 4 that rubber is made, again heat-shrink tube 5 is put in the middle part of cylindrical shell 4, by right plug 6, right cap 7, after right connector 13 and O-ring seal 10 connect successively, be installed to cylindrical shell 4 right-hand member, and right plug 6 left end is put in heat-shrink tube 5, push against with rock core sample 11, by left plug 2, left cap 3, after left joint 1 connects successively, entire body left end is installed to by coupling bolt 9, and left plug 2 right-hand member is put in heat-shrink tube 5, push against with rock core sample 11, pressure source connects confined pressure control port 8, gas or liquid are injected, entered by through hole and enclose chamber, by heat-shrink tube 5 compacting outside rock core sample 11, left plug 2 is connected experiment pipeline with three central through holes 12 of right plug 6, after closing the experiment pipeline of right plug 6, liquid enters from a central through hole 12 of left plug 2, after being full of rock core sample 11, liquid flows out from second central through hole 12 of left plug 2, gas in displacement rock core sample 11 and central through hole 12, close second central through hole 12 after completing this step and open the central through hole 12 of right plug 6 li, liquid is allowed to be full of rock core sample 11 and all central through holes 12, then the test experiments of rock core sample 11 can be carried out.
The above is only preferred implementation of the present utility model, it should be pointed out that the utility model is not limited to aforesaid way, under the prerequisite not departing from the utility model principle, can also improve further, and these improvement also should be considered as protection domain of the present utility model.
Claims (7)
1. a nonmetal high pressure core holding unit, it is characterized in that: comprise left joint (1), right connector (13), left plug (2), right plug (6), left cap (3), right cap (7), cylindrical shell (4), heat-shrink tube (5), described heat-shrink tube (5) is positioned in cylindrical shell (4), cylindrical shell (4) be divided into inner chamber and enclose chamber, left plug (2) and right plug (6) insert in cylindrical shell (4) from two ends respectively, its fore-end all stretches into heat-shrink tube (5) and props up self step, cylindrical shell (4) two ends are connected with left cap (3) and right cap (7), left cap (3) and right cap (7) outside fix left joint (1) and right connector (13) respectively, left plug (2) is provided with two central through holes (12), right plug (6) is provided with a central through hole (12), right cap (7) is provided with confined pressure control port (8).
2. the nonmetal high pressure core holding unit of one according to claim 1, it is characterized in that: described left joint (1) and left plug (2) are threaded connection, left plug (2) and left cap (3) are pushed against by step, and left cap (3) and cylindrical shell (4) are fixed by a pair coupling bolt (9); Described right connector (13) and right cap (7), right cap (7) and cylindrical shell (4) are threaded connection, and right cap (7) and right plug (6) are pushed against by step.
3. the nonmetal high pressure core holding unit of one according to claim 1, it is characterized in that: described core holding unit, its left joint (1), right connector (13), left plug (2), right plug (6), left cap (3), right cap (7), cylindrical shell (4) are PEEK plastics, and heat-shrink tube (5) is rubber.
4. the nonmetal high pressure core holding unit of one according to claim 1 and 2, it is characterized in that: described left cap (3) is provided with two place's O-ring seals (10), seals the space between left plug (2) and left cap (3) and between left cap (3) and cylindrical shell (4) respectively; Described right cap (7) is provided with two place's O-ring seals, seals the space between right plug (6) and right cap (7) and between right cap (7) and cylindrical shell (4) respectively.
5. the nonmetal high pressure core holding unit of one according to claim 1 and 2, is characterized in that: described confined pressure control port (8) outer end is provided with screw thread.
6. the nonmetal high pressure core holding unit of one according to claim 1 and 2, it is characterized in that: two place's central through hole (12) diameters on described left plug (2) are consistent with length, and central through hole (12) left end is equipped with screw thread; Central through hole (12) right-hand member on described right plug (6) is provided with screw thread.
7. the nonmetal high pressure core holding unit of one according to claim 1, is characterized in that: what be separated out by heat-shrink tube (5) in described confined pressure control port (8) connection cylindrical shell (4) encloses chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520829557.6U CN205091281U (en) | 2015-10-23 | 2015-10-23 | Nonmetal high -pressure rock core holder |
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CN201520829557.6U CN205091281U (en) | 2015-10-23 | 2015-10-23 | Nonmetal high -pressure rock core holder |
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CN201520829557.6U Expired - Fee Related CN205091281U (en) | 2015-10-23 | 2015-10-23 | Nonmetal high -pressure rock core holder |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106093079A (en) * | 2016-08-22 | 2016-11-09 | 江苏联友科研仪器有限公司 | A kind of nonmetal core holding unit of supertension |
CN106351622A (en) * | 2016-11-03 | 2017-01-25 | 西南石油大学 | High-temperature microscopic visual physical simulation clamping model and use method thereof |
CN106383076A (en) * | 2016-08-19 | 2017-02-08 | 青岛石大石仪科技有限责任公司 | A high-temperature rock core clamping device and an experiment method thereof |
CN108037006A (en) * | 2017-11-30 | 2018-05-15 | 成都岩心科技有限公司 | A kind of axial space adjusts core holding unit and application method |
-
2015
- 2015-10-23 CN CN201520829557.6U patent/CN205091281U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106383076A (en) * | 2016-08-19 | 2017-02-08 | 青岛石大石仪科技有限责任公司 | A high-temperature rock core clamping device and an experiment method thereof |
CN106093079A (en) * | 2016-08-22 | 2016-11-09 | 江苏联友科研仪器有限公司 | A kind of nonmetal core holding unit of supertension |
CN106093079B (en) * | 2016-08-22 | 2019-02-12 | 江苏联友科研仪器有限公司 | A kind of nonmetallic core holding unit of super-pressure |
CN106351622A (en) * | 2016-11-03 | 2017-01-25 | 西南石油大学 | High-temperature microscopic visual physical simulation clamping model and use method thereof |
CN108037006A (en) * | 2017-11-30 | 2018-05-15 | 成都岩心科技有限公司 | A kind of axial space adjusts core holding unit and application method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20171023 |
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CF01 | Termination of patent right due to non-payment of annual fee |