CN202066777U - Multifunctional core clamp holder - Google Patents
Multifunctional core clamp holder Download PDFInfo
- Publication number
- CN202066777U CN202066777U CN2011201192072U CN201120119207U CN202066777U CN 202066777 U CN202066777 U CN 202066777U CN 2011201192072 U CN2011201192072 U CN 2011201192072U CN 201120119207 U CN201120119207 U CN 201120119207U CN 202066777 U CN202066777 U CN 202066777U
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Abstract
A multifunctional core clamp holder is applied to testing permeability of rock samples. An annular pressure joint is fixed onto a shell, and a rubber sleeve is disposed inside the shell. A sealing pressing ring is connected to the end of the rubber sleeve and sleeved on the outer wall of an insulating plug, the inner end of the insulating plug is arranged inside the rubber sleeve, a circular electrode tip is connected to the inner end of the insulating plug, a sealing annular pressure cap is connected to the end of the shell in a threaded manner, a screw plug is fixed onto a central screw hole at the outer end of the sealing annular pressure cap, the outer end of the insulating plug penetrates through the central hole of the screw plug, the insulating plug is hermetically blocked inside the shell by the inner end surface of the screw plug, an annular fixed joint is fixed onto the outer wall of the outer end of the insulating plug, a liquid inlet and outlet hole is disposed on the fixed joint, an electrode fixed joint is fixed onto the outer end surface of the insulating plug, and an electrode is arranged in a central hole of the electrode fixed joint. The multifunctional core clamp holder has the advantages that the multifunctional core clamp holder can be used for testing seepage capacity of rock, and can further be used for testing electrical parameters of different moisture cores in different experimental conditions.
Description
Technical field
The utility model relates to rock core analysis technical field such as oil, coal, engineering geology, and particularly a kind of instrument of testing natural rock, artificial rock sample permeability is a kind of multi-functional core holding unit.
Background technology
At present, the core holding unit that uses on the instrument of the lab investigation rock sample permeability in each oil field, major part all is the common clamper of TY-2 type.TY-2 type clamper is the permeability detector of domestic each laboratory according to the development of American core company, and reining in the type clamper with Haas is source, development.The manufacturer of this clamper is representative with Hai'an, Jiangsu oil instrument plant.TY-2 type clamper is made up of gripper brackets, clamp body, import plug, four parts of outlet plug.Along with the development of core experiment technology, the experimental demand in laboratory, development and production go out the core holding unit of different model, the percolation ability that this class clamper can only the testing rock core sample, electrical parameter that can not testing rock core.American core company also produces with domestic petroleum instrument plant can test the different clampers of depressing the rock electricity parameter that cover, the main electrical parameter that adopts displacement process to test rock, this method is not suitable for the test of hypotonic and special hypotonic rock, moisture variation range is little, do not satisfy the demand of research, experimental period is also normal, and the loading and unloading sample is loaded down with trivial details.
The electrical parameter of people's testing rock core all was under normal pressure in the past, clamp specimen by two battery lead plates, measure the electrical parameter of rock core, can not test and cover the electrical parameter of depressing rock core, along with the further investigation of rock electricity, people begin to consider that difference covers the variation of depressing different water cut saturation degree rock electricity parameter.American core company also produces with domestic petroleum instrument plant can test the different clampers of depressing the rock electricity parameter that cover, this class clamper mainly adopts displacement process to test the electrical parameter of rock, this method is for the test of hypotonic and special hypotonic rock, moisture variation range is little, experimental period is also long, does not satisfy the demand of research, secondly, the loading and unloading sample is loaded down with trivial details, often change O-ring seal.
The utility model content
The purpose of this utility model is: a kind of multi-functional core holding unit is provided, can not only be used for testing natural rock, synthetic core percolation ability, and can also test the rock core electrical parameter of different water cut under the different experimental conditions.
The technical solution adopted in the utility model is: multi-functional core holding unit, mainly form by electrode, electrode fixture splice, fixture splice, screw plug, insulation plug, sealing ring pressure cap, seal joint, gum cover, electrode tip, shell and ring crimp head, on cylindrical housing, be fixed with the ring crimp head, UNICOM in the center pit of ring crimp head and the shell, a gum cover is arranged in the enclosure, the tested rock core of in gum cover, packing into.The two-end structure of multi-functional core holding unit is identical, and the structure of multi-functional core holding unit one end is described below.End at gum cover connects a seal joint, it is characterized in that: described seal joint is sleeved on the outer wall of insulation plug, described insulation plug has center pit for the cylinder bodily form, the inner of insulation plug is in gum cover, the inner at the insulation plug connects a circular electrode head, and electrode tip has center pit; There is external thread the end of shell, is connected with the sealing ring pressure cap in the end thread of shell, is fixed with screw plug on the outer end center screw of sealing ring pressure cap; The center pit of screw plug is passed in the outer end of insulation plug; The inner face of screw plug will insulate the plug shutoff in the enclosure; On the outer wall of insulation plug outer end, be fixed with annular fixture splice, a liquid manhole appendix is arranged on fixture splice, the liquid manhole appendix the inner of fixture splice and the center pit UNICOM of insulation plug; There is screw thread the liquid manhole appendix outer end of fixture splice, can connect liquid turnover pipeline; Be fixed with an electrode fixture splice on insulation plug outer face, an electrode is arranged in the center pit of electrode fixture splice, the inner of electrode is in insulation plug center pit.
In order to improve the sealing between fixture splice center pit and the insulation plug outer wall, between the plug two seals circle is arranged at fixture splice with insulating, the position of two seals circle is respectively in the liquid manhole appendix both sides of fixture splice.
The distance that 1～10mm is arranged between the inner face of described fixture splice and the outer face of screw plug.Utilize the insulation plug with clamper shell and electrode insulation, electric current can not produce the loop, directly passes through specimen.
The center-hole diameter of described insulation plug is between 1.5～3mm.
The beneficial effects of the utility model: the multi-functional core holding unit of the utility model, can be used for testing the rock percolation ability, can also test the rock core electrical parameter of different water cut under the different experimental conditions.
Description of drawings
Fig. 1 is the multi-functional core holding unit structural profile of a utility model synoptic diagram.
Among the figure, 1-electrode, 2-electrode fixture splice, 3-fixture splice, 4-screw plug, the 5-plug that insulate, 6-sealing ring pressure cap, the 7-seal joint, the 8-gum cover, the 9-electrode tip, the 10-shell, 11-encircles crimp head.
Embodiment
Embodiment 1: with a multi-functional core holding unit is example, and the utility model is described in further detail.
Consult Fig. 1.Multi-functional core holding unit mainly is made up of electrode 1, electrode fixture splice 2, fixture splice 3, screw plug 4, insulation plug 5, sealing ring pressure cap 6, seal joint 7, gum cover 8, electrode tip 9, shell 10 and ring crimp head 11.
On cylindrical housing 10, be fixed with ring crimp head 11, UNICOM in the center pit of ring crimp head 11 and the shell 10, ring crimp head 11 upper ends can associated line.A gum cover 8 is arranged, the tested rock core of in gum cover 8, packing in shell 10.
The two-end structure of multi-functional core holding unit is identical.End at gum cover 8 connects a seal joint 7.Described seal joint 7 is sleeved on the outer wall of insulation plug 5, and described insulation plug 5 has center pit for the cylinder bodily form, and the center-hole diameter of insulation plug 5 is 1.5mm.Insulation plug 5 adopts elastomeric material to make.The inner of insulation plug 5 connects a circular electrode head 9 in the inner of insulation plug 5 in gum cover 8, electrode tip 9 has center pit.The tested rock core of can packing in the cylindrical space between two electrode tips 9.There is external thread the end of shell 10, is connected with sealing ring pressure cap 6 in the end thread of shell 10, is fixed with screw plug 4 on the outer end center screw of sealing ring pressure cap 6; The center pit of screw plug 4 is passed in the outer end of insulation plug 5; The inner face of screw plug 4 will insulate plug 5 shutoff in shell 10; On insulation plug 5 outer end outer walls, be fixed with an annular fixture splice 3, the distance of 3mm is arranged between the outer face of the inner face of fixture splice 3 and screw plug 4.A liquid manhole appendix is arranged, the liquid manhole appendix the inner of fixture splice 3 and the center pit UNICOM of insulation plug 5 on fixture splice 3.The two seals circle is arranged at fixture splice 3 and insulation between the plug 5, the position of two seals circle is respectively in the liquid manhole appendix both sides of fixture splice 3.There is screw thread the liquid manhole appendix outer end of fixture splice 3, and an end connects liquid and enters pipeline, and an end connects liquid and flows out pipeline.Be fixed with an electrode fixture splice 2 on insulation plug 5 outer faces, a cylindrical electrode 1 is arranged in the center pit of electrode fixture splice 2, the inner of electrode 1 is in insulation plug 5 center pits.
Claims (3)
1. multi-functional core holding unit, mainly form by electrode (1), electrode fixture splice (2), fixture splice (3), screw plug (4), insulation plug (5), sealing ring pressure cap (6), seal joint (7), gum cover (8), electrode tip (9), shell (10) and ring crimp head (11), on cylindrical housing (10), be fixed with ring crimp head (11), the center pit and the interior UNICOM of shell (10) of ring crimp head (11), a gum cover (8) is arranged in shell (10), and the two-end structure of multi-functional core holding unit is identical; End at gum cover (8) connects a seal joint (7), it is characterized in that: described seal joint (7) is sleeved on the outer wall of insulation plug (5), described insulation plug (5) has center pit for the cylinder bodily form, the inner of insulation plug (5) is in gum cover (8), the inner at insulation plug (5) connects a circular electrode head (9), and electrode tip (9) has center pit; There is external thread the end of shell (10), is connected with sealing ring pressure cap (6) in the end thread of shell (10), is fixed with screw plug (4) on the outer end center screw of sealing ring pressure cap (6); The center pit of screw plug (4) is passed in the outer end of insulation plug (5); The inner face of screw plug (4) will insulate plug (5) shutoff in shell (10); On the outer wall of insulation plug (5) outer end, be fixed with annular fixture splice (3), a liquid manhole appendix is arranged on fixture splice (3), the liquid manhole appendix the inner of fixture splice (3) and the center pit UNICOM of insulation plug (5); There is screw thread the liquid manhole appendix outer end of fixture splice (3); Be fixed with an electrode fixture splice (2) on insulation plug (5) outer face, an electrode (1) is arranged in the center pit of electrode fixture splice (2), the inner of electrode (1) is in insulation plug (5) center pit.
2. multi-functional core holding unit according to claim 1 is characterized in that: between fixture splice (3) and insulation plug (5) the two seals circle is arranged, the position of two seals circle is respectively in the liquid manhole appendix both sides of fixture splice (3).
3. multi-functional core holding unit according to claim 1 is characterized in that: the distance that 1～10mm is arranged between the outer face of the inner face of described fixture splice (3) and screw plug (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201192072U CN202066777U (en) | 2011-04-21 | 2011-04-21 | Multifunctional core clamp holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201192072U CN202066777U (en) | 2011-04-21 | 2011-04-21 | Multifunctional core clamp holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066777U true CN202066777U (en) | 2011-12-07 |
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ID=45060637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201192072U Expired - Lifetime CN202066777U (en) | 2011-04-21 | 2011-04-21 | Multifunctional core clamp holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066777U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707032A (en) * | 2012-05-17 | 2012-10-03 | 中国石油天然气股份有限公司 | Three-axial rock core holding unit |
| CN103470238A (en) * | 2013-09-10 | 2013-12-25 | 中国石油天然气集团公司 | Holding device and rock core sleeve |
| CN103495942A (en) * | 2013-09-10 | 2014-01-08 | 中国石油天然气股份有限公司 | Clamping device |
| CN103808639A (en) * | 2012-11-12 | 2014-05-21 | 中国石油天然气股份有限公司 | Visible rock core clamp |
| CN104568703A (en) * | 2015-01-29 | 2015-04-29 | 南通市中京机械有限公司 | Covering hole penetration holder |
| CN105092386A (en) * | 2015-08-06 | 2015-11-25 | 山东科技大学 | High-pressure water sealing device for rock sample and use method |
-
2011
- 2011-04-21 CN CN2011201192072U patent/CN202066777U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707032A (en) * | 2012-05-17 | 2012-10-03 | 中国石油天然气股份有限公司 | Three-axial rock core holding unit |
| CN102707032B (en) * | 2012-05-17 | 2015-02-25 | 中国石油天然气股份有限公司 | Three-axial rock core holding unit |
| CN103808639A (en) * | 2012-11-12 | 2014-05-21 | 中国石油天然气股份有限公司 | Visible rock core clamp |
| CN103808639B (en) * | 2012-11-12 | 2016-11-16 | 中国石油天然气股份有限公司 | Visual rock core fastener |
| CN103470238A (en) * | 2013-09-10 | 2013-12-25 | 中国石油天然气集团公司 | Holding device and rock core sleeve |
| CN103495942A (en) * | 2013-09-10 | 2014-01-08 | 中国石油天然气股份有限公司 | Clamping device |
| CN103470238B (en) * | 2013-09-10 | 2016-02-03 | 中国石油天然气集团公司 | Clamping device and rock core sleeve |
| CN103495942B (en) * | 2013-09-10 | 2016-04-06 | 中国石油天然气股份有限公司 | Clamping device |
| CN104568703A (en) * | 2015-01-29 | 2015-04-29 | 南通市中京机械有限公司 | Covering hole penetration holder |
| CN105092386A (en) * | 2015-08-06 | 2015-11-25 | 山东科技大学 | High-pressure water sealing device for rock sample and use method |
| CN105092386B (en) * | 2015-08-06 | 2018-01-12 | 山东科技大学 | A kind of rock sample high-pressure water seal device and application method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
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| CX01 | Expiry of patent term |