CN103293382B - Drive liquid fluid electrode - Google Patents
Drive liquid fluid electrode Download PDFInfo
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- CN103293382B CN103293382B CN201310212649.5A CN201310212649A CN103293382B CN 103293382 B CN103293382 B CN 103293382B CN 201310212649 A CN201310212649 A CN 201310212649A CN 103293382 B CN103293382 B CN 103293382B
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- pressurization
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Abstract
The present invention relates to rock core saturation degree resistivity measurement electrode technology field, is that one drives liquid fluid electrode, and it comprises fluid conduction pressure cap, fluid pressurization joint pin and fluid insulation insulated column; The lower end of fluid conduction pressure cap is installed with fluid insulation insulated column, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin, there is up big and down small taper fluid hole at the center of fluid conduction pressure cap, and there is with the inside of fluid pressurization joint pin the axial passage be communicated with the inside of the fluid insulation insulated column of corresponding taper fluid hole.Reasonable and compact in structure of the present invention, easy to use, porous silver strip has the characteristic that coupling is good, conductive capability is strong, porous silver strip contacts with fluid voltage cap that contact resistance between rock core and potential electrode is reduced to is minimum, ensure that the coupling pressure applied between rock core and potential electrode, reduce the Touch error of rock core contact resistance band, ensure that the needs of rock core saturation degree resistivity measurement precision.
Description
Technical field
the present invention relates to rock core saturation degree resistivity measurement electrode technology field, is that one drives liquid fluid electrode.
Background technology
for a long time, the potential electrode measuring rock core saturation degree resistivity adopts fluid electrode two pole method to measure rock core saturation degree resistivity, outlet end adopts rock core and the direct-coupled mode of stainless steel potential electrode, and coupling effect is poor, rock core and electrode contact error large.This kind of mode is along with the decline of rock core water containing saturability, and rock core contact resistance can be multiplied, and causes rock core saturation degree resistivity measurement error constantly to increase.
Summary of the invention
the invention provides one and drive liquid fluid electrode, overcome the deficiency of above-mentioned prior art, its potential electrode that effectively can solve traditional measurement rock core saturation degree resistivity causes the problem large to core resistivity measuring error because contact resistance error is large.
technical scheme of the present invention is realized by following measures: one drives liquid fluid electrode, comprises fluid conduction pressure cap, fluid pressurization joint pin and fluid insulation insulated column; The lower end of fluid conduction pressure cap is installed with fluid insulation insulated column, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin, there is up big and down small taper fluid hole at the center of fluid conduction pressure cap, there is with the inside of fluid pressurization joint pin the axial passage be communicated with the inside of the fluid insulation insulated column of corresponding taper fluid hole, the line outlet groove communicated with axial passage is arranged at the bottom of fluid pressurization joint pin, and the right-hand member of line outlet groove is installed with slotted line joint; There is the fluid connectivity slot be communicated with taper fluid hole the upper end of fluid conduction pressure cap, and the upper end of fluid conduction pressure cap is installed with porous silver strip; Be installed with respectively in axial passage and drive liquid pipeline, fluid pipeline and slotted line, the upper end of driving liquid pipeline is connected with the top of taper fluid hole, the upper end of fluid pipeline is connected with the lower end of taper fluid hole, the lower end of driving liquid pipeline and fluid pipeline is fixedly mounted on outside the left end of line outlet groove respectively, and the top and bottom of slotted line are conducted electricity pressure cap and slotted line joint respectively and are fixedly installed togather with fluid.
here is the further optimization and/or improvements to foregoing invention technical scheme:
the lower end of above-mentioned fluid conduction pressure cap and the upper end of fluid pressurization joint pin can have upper mounting groove and lower mounting groove respectively, and the top and bottom of fluid insulation insulated column are fixedly mounted in mounting groove and in lower mounting groove respectively.
the bottom outer wall of above-mentioned fluid pressurization joint pin there is the installation base of annular, fluid pressurization joint pin outer wall above installation base is installed with fluid pressurization adapter sleeve, the fluid pressurization joint pin outer wall above fluid pressurization adapter sleeve is installed with fluid pressurization fixed cover.
the outer wall of above-mentioned fluid pressurization adapter sleeve is circumferentially radially distributed with the afterburning hole of at least two, liquid insulation insulated column is cruciform, and the outer wall of fluid insulation insulated column is circumferentially radially distributed with the afterburning hole of at least two.
the above-mentioned pressurization of the fluid at line outlet groove left end joint pin can be installed with fluid sealing adaptor respectively and drive liquid sealing joint, there is fluid through-hole the inside of fluid sealing adaptor, fluid through-hole is driven in the inside of driving liquid sealing joint, the lower end of fluid pipeline is passed out fluid through-hole and is positioned at fluid through-hole outer end, and fluid through-hole outer end is driven through driving fluid through-hole and being positioned in the lower end of driving liquid pipeline.
the lower end of above-mentioned fluid pressurization joint pin can be installed with fluid sealing cap, and on slotted line, cover has insulation tube.
the outer wall of above-mentioned fluid pressurization adapter sleeve can there is screw thread, the top and bottom of fluid insulation insulated column are fixedly mounted in upper mounting groove with in lower mounting groove respectively by screw thread, fluid pressurization joint pin outer wall above fluid pressurization adapter sleeve is installed with fluid pressurization fixed cover by screw thread, the fluid pressurization joint pin of line outlet groove left end is installed with fluid sealing adaptor respectively by screw thread and drives liquid sealing joint, the lower end of fluid pressurization joint pin is installed with fluid sealing cap by screw thread.
reasonable and compact in structure of the present invention, easy to use, porous silver strip has the characteristic that coupling is good, conductive capability is strong, porous silver strip contacts with fluid voltage cap that contact resistance between rock core and potential electrode is reduced to is minimum, ensure that the coupling pressure applied between rock core and potential electrode, reduce the Touch error of rock core contact resistance band, ensure that the needs of rock core saturation degree resistivity measurement precision.
Accompanying drawing explanation
accompanying drawing 1 is that the master of preferred embodiment looks sectional structure schematic diagram.
accompanying drawing 2 is for A in accompanying drawing 1 is left depending on cuing open structural representation.
coding in accompanying drawing is respectively: 1 is fluid conduction pressure cap, 2 is fluid pressurization joint pin, 3 is upper mounting groove, 4 is lower mounting groove, 5 is fluid insulation insulated column, 6 is installation base, 7 is fluid pressurization adapter sleeve, 8 is fluid pressurization fixed cover, 9 is taper fluid hole, 10 is axial passage, 11 is line outlet groove, 12 is slotted line joint, 13 is fluid connectivity slot, 14 is porous silver strip, 15 for driving liquid pipeline, 16 is fluid pipeline, 17 is slotted line, 18 is fluid sealing adaptor, 19 for driving liquid sealing joint, 20 for going out fluid through-hole, 21 for driving fluid through-hole, 22 is fluid sealing cap, 23 is afterburning hole, 24 is insulation tube.
Embodiment
the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in accompanying drawing 1,2, this drives liquid fluid electrode and comprises fluid conduction pressure cap 1, fluid pressurization joint pin 2 and fluid insulation insulated column 5; The lower end of fluid conduction pressure cap 1 is installed with fluid insulation insulated column 5, the lower end of fluid insulation insulated column 5 is installed with fluid pressurization joint pin 2, there is up big and down small taper fluid hole 9 at the center of fluid conduction pressure cap 1, there is with the inside of fluid pressurization joint pin 2 axial passage 10 be communicated with the inside of the fluid insulation insulated column 5 of corresponding taper fluid hole 9, the line outlet groove 11 communicated with axial passage 10 is arranged at the bottom of fluid pressurization joint pin 2, and the right-hand member of line outlet groove 11 is installed with slotted line joint 12; There is the fluid connectivity slot 13 be communicated with taper fluid hole 9 upper end of fluid conduction pressure cap 1, and the upper end of fluid conduction pressure cap 1 is installed with porous silver strip 14; Be installed with respectively in axial passage 10 and drive liquid pipeline 15, fluid pipeline 16 and slotted line 17, the upper end of driving liquid pipeline 15 is connected with the top of taper fluid hole 9, the upper end of fluid pipeline 16 is connected with the lower end of taper fluid hole 9, the lower end of driving liquid pipeline 15 and fluid pipeline 16 is fixedly mounted on outside the left end of line outlet groove 11 respectively, and the top and bottom of slotted line 17 are conducted electricity pressure cap 1 and slotted line joint 12 respectively and are fixedly installed togather with fluid.Porous silver strip 14 has the characteristic that coupling is good, conductive capability is strong, porous silver strip 14 and fluid are conducted electricity pressure cap 1 and are contacted that contact resistance between rock core and potential electrode is reduced to is minimum, delay tube wall liquid in fluid pipeline 16 is displaced metering by taper fluid hole 9, the coupling pressure that fluid pressurization joint pin 2 ensure that different rock core dimensional measurement and applies between rock core and potential electrode.
according to actual needs, the above-mentioned liquid fluid electrode that drives can be made further optimization and/or improvements:
as shown in accompanying drawing 1,2, the lower end of fluid conduction pressure cap 1 and the upper end of fluid pressurization joint pin 2 have upper mounting groove 3 and lower mounting groove 4 respectively, and the top and bottom of fluid insulation insulated column 5 are fixedly mounted in mounting groove 3 and in lower mounting groove 4 respectively.
as shown in accompanying drawing 1,2, the bottom outer wall of fluid pressurization joint pin 2 there is the installation base 6 of annular, fluid pressurization joint pin 2 outer wall above installation base 6 is installed with fluid pressurization adapter sleeve 7, fluid pressurization joint pin 2 outer wall above fluid pressurization adapter sleeve 7 is installed with fluid pressurization fixed cover 8.Fluid pressurization fixed cover 8 is spacing for fluid pressurization adapter sleeve 7, fluid pressurization adapter sleeve 7 ensure that the coupling pressure applied between rock core and potential electrode, reduce the Touch error of rock core contact resistance band, ensure that the needs of rock core saturation degree resistivity measurement precision.
as shown in accompanying drawing 1,2, the outer wall of fluid pressurization adapter sleeve 7 is circumferentially radially distributed with the afterburning hole 23 of at least two, liquid insulation insulated column 5, in cruciform, the outer wall of fluid insulation insulated column 5 is circumferentially radially distributed with the afterburning hole 23 of at least two.Afterburning hole 23 facilitates the force of each parts in installation and removal process.
as shown in accompanying drawing 1,2, the fluid pressurization joint pin 2 of line outlet groove 11 left end is installed with fluid sealing adaptor 18 respectively and drives liquid sealing joint 19, there is fluid through-hole 20 inside of fluid sealing adaptor 18, fluid through-hole 21 is driven in the inside of driving liquid sealing joint 19, the lower end of fluid pipeline 16 is passed out fluid through-hole 20 and is positioned at fluid through-hole 20 outer end, and fluid through-hole 21 outer end is driven through driving fluid through-hole 21 and being positioned in the lower end of driving liquid pipeline 15.Fluid sealing adaptor 18 and drive liquid sealing joint 19 and can fixedly drive liquid pipeline 15 and fluid pipeline 16 better.
as shown in accompanying drawing 1,2, the lower end of fluid pressurization joint pin 2 is installed with fluid sealing cap 22, and on slotted line 17, cover has insulation tube 24.Fluid sealing cap 22 not only has the characteristic of protection fluid pressurization joint pin 2 lower end; simultaneously can accommodate device setting coupling pressure mode according to rock core to determine fluid-tight cap 22 and whether install; the present invention can be made to be used on the electrode measurement device of varying environment, and insulation tube 24 ensure that slotted line 19 and outside insulativity.
as shown in accompanying drawing 1,2, the outer wall of fluid pressurization adapter sleeve 7 there is screw thread, the top and bottom of fluid insulation insulated column 5 are fixedly mounted in upper mounting groove 3 and in lower mounting groove 4 respectively by screw thread, fluid pressurization joint pin 2 outer wall above fluid pressurization adapter sleeve 7 is installed with fluid pressurization fixed cover 8 by screw thread, the fluid pressurization joint pin 2 of line outlet groove 11 left end is installed with fluid sealing adaptor 18 respectively by screw thread and drives liquid sealing joint 19, the lower end of fluid pressurization joint pin 2 is installed with fluid sealing cap 22 by screw thread.Be threaded and facilitate installation and removal.
above technical characteristic constitutes most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (19)
1. drive a liquid fluid electrode, it is characterized in that comprising fluid conduction pressure cap, fluid pressurization joint pin and fluid insulation insulated column; The lower end of fluid conduction pressure cap is installed with fluid insulation insulated column, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin, there is up big and down small taper fluid hole at the center of fluid conduction pressure cap, there is with the inside of fluid pressurization joint pin the axial passage be communicated with the inside of the fluid insulation insulated column of corresponding taper fluid hole, the line outlet groove communicated with axial passage is arranged at the bottom of fluid pressurization joint pin, and the right-hand member of line outlet groove is installed with slotted line joint; There is the fluid connectivity slot be communicated with taper fluid hole the upper end of fluid conduction pressure cap, and the upper end of fluid conduction pressure cap is installed with porous silver strip; Be installed with respectively in axial passage and drive liquid pipeline, fluid pipeline and slotted line, the upper end of driving liquid pipeline is connected with the top of taper fluid hole, the upper end of fluid pipeline is connected with the lower end of taper fluid hole, the lower end of driving liquid pipeline and fluid pipeline is fixedly mounted on outside the left end of line outlet groove respectively, and the top and bottom of slotted line are conducted electricity pressure cap and slotted line joint respectively and are fixedly installed togather with fluid.
2. according to claim 1ly drive liquid fluid electrode, it is characterized in that the lower end of fluid conduction pressure cap and the upper end of fluid pressurization joint pin have upper mounting groove and lower mounting groove respectively, the top and bottom of fluid insulation insulated column are fixedly mounted in mounting groove and in lower mounting groove respectively.
3. according to claim 1 and 2ly drive liquid fluid electrode, it is characterized in that fluid pressurization joint pin bottom outer wall on have annular installation base, fluid pressurization joint pin outer wall above installation base is installed with fluid pressurization adapter sleeve, the fluid pressurization joint pin outer wall above fluid pressurization adapter sleeve is installed with fluid pressurization fixed cover.
4. according to claim 3ly drive liquid fluid electrode, the outer wall that it is characterized in that fluid pressurization adapter sleeve is circumferentially radially distributed with the afterburning hole of at least two, fluid insulation insulated column is cruciform, and the outer wall of fluid insulation insulated column is circumferentially radially distributed with the afterburning hole of at least two.
5. according to claim 1 and 2ly drive liquid fluid electrode, it is characterized in that being installed with fluid sealing adaptor respectively and driving liquid sealing joint on the fluid pressurization joint pin of line outlet groove left end, there is fluid through-hole the inside of fluid sealing adaptor, fluid through-hole is driven in the inside of driving liquid sealing joint, the lower end of fluid pipeline is passed out fluid through-hole and is positioned at fluid through-hole outer end, and fluid through-hole outer end is driven through driving fluid through-hole and being positioned in the lower end of driving liquid pipeline.
6. according to claim 3ly drive liquid fluid electrode, it is characterized in that being installed with fluid sealing adaptor respectively and driving liquid sealing joint on the fluid pressurization joint pin of line outlet groove left end, there is fluid through-hole the inside of fluid sealing adaptor, fluid through-hole is driven in the inside of driving liquid sealing joint, the lower end of fluid pipeline is passed out fluid through-hole and is positioned at fluid through-hole outer end, and fluid through-hole outer end is driven through driving fluid through-hole and being positioned in the lower end of driving liquid pipeline.
7. according to claim 4ly drive liquid fluid electrode, it is characterized in that being installed with fluid sealing adaptor respectively and driving liquid sealing joint on the fluid pressurization joint pin of line outlet groove left end, there is fluid through-hole the inside of fluid sealing adaptor, fluid through-hole is driven in the inside of driving liquid sealing joint, the lower end of fluid pipeline is passed out fluid through-hole and is positioned at fluid through-hole outer end, and fluid through-hole outer end is driven through driving fluid through-hole and being positioned in the lower end of driving liquid pipeline.
8. according to claim 1 and 2ly drive liquid fluid electrode, it is characterized in that the lower end of fluid pressurization joint pin is installed with fluid sealing cap, on slotted line, cover has insulation tube.
9. according to claim 3ly drive liquid fluid electrode, it is characterized in that the lower end of fluid pressurization joint pin is installed with fluid sealing cap, on slotted line, cover has insulation tube.
10. according to claim 4ly drive liquid fluid electrode, it is characterized in that the lower end of fluid pressurization joint pin is installed with fluid sealing cap, on slotted line, cover has insulation tube.
11. according to claim 5ly drive liquid fluid electrode, and it is characterized in that the lower end of fluid pressurization joint pin is installed with fluid sealing cap, on slotted line, cover has insulation tube.
12. according to claim 6ly drive liquid fluid electrode, and it is characterized in that the lower end of fluid pressurization joint pin is installed with fluid sealing cap, on slotted line, cover has insulation tube.
13. according to claim 7ly drive liquid fluid electrode, and it is characterized in that the lower end of fluid pressurization joint pin is installed with fluid sealing cap, on slotted line, cover has insulation tube.
14. according to claim 8ly drive liquid fluid electrode, it is characterized in that fluid pressurization adapter sleeve outer wall on have screw thread, the top and bottom of fluid insulation insulated column are fixedly mounted in upper mounting groove with in lower mounting groove respectively by screw thread, fluid pressurization joint pin outer wall above fluid pressurization adapter sleeve is installed with fluid pressurization fixed cover by screw thread, the fluid pressurization joint pin of line outlet groove left end is installed with fluid sealing adaptor respectively by screw thread and drives liquid sealing joint, the lower end of fluid pressurization joint pin is installed with fluid sealing cap by screw thread.
15. according to claim 9ly drive liquid fluid electrode, it is characterized in that fluid pressurization adapter sleeve outer wall on have screw thread, the top and bottom of fluid insulation insulated column are fixedly mounted in upper mounting groove with in lower mounting groove respectively by screw thread, fluid pressurization joint pin outer wall above fluid pressurization adapter sleeve is installed with fluid pressurization fixed cover by screw thread, the fluid pressurization joint pin of line outlet groove left end is installed with fluid sealing adaptor respectively by screw thread and drives liquid sealing joint, the lower end of fluid pressurization joint pin is installed with fluid sealing cap by screw thread.
16. according to claim 10ly drive liquid fluid electrode, it is characterized in that fluid pressurization adapter sleeve outer wall on have screw thread, the top and bottom of fluid insulation insulated column are fixedly mounted in upper mounting groove with in lower mounting groove respectively by screw thread, fluid pressurization joint pin outer wall above fluid pressurization adapter sleeve is installed with fluid pressurization fixed cover by screw thread, the fluid pressurization joint pin of line outlet groove left end is installed with fluid sealing adaptor respectively by screw thread and drives liquid sealing joint, the lower end of fluid pressurization joint pin is installed with fluid sealing cap by screw thread.
17. according to claim 11ly drive liquid fluid electrode, it is characterized in that fluid pressurization adapter sleeve outer wall on have screw thread, the top and bottom of fluid insulation insulated column are fixedly mounted in upper mounting groove with in lower mounting groove respectively by screw thread, fluid pressurization joint pin outer wall above fluid pressurization adapter sleeve is installed with fluid pressurization fixed cover by screw thread, the fluid pressurization joint pin of line outlet groove left end is installed with fluid sealing adaptor respectively by screw thread and drives liquid sealing joint, the lower end of fluid pressurization joint pin is installed with fluid sealing cap by screw thread.
18. according to claim 12ly drive liquid fluid electrode, it is characterized in that fluid pressurization adapter sleeve outer wall on have screw thread, the top and bottom of fluid insulation insulated column are fixedly mounted in upper mounting groove with in lower mounting groove respectively by screw thread, fluid pressurization joint pin outer wall above fluid pressurization adapter sleeve is installed with fluid pressurization fixed cover by screw thread, the fluid pressurization joint pin of line outlet groove left end is installed with fluid sealing adaptor respectively by screw thread and drives liquid sealing joint, the lower end of fluid pressurization joint pin is installed with fluid sealing cap by screw thread.
19. according to claim 13ly drive liquid fluid electrode, it is characterized in that fluid pressurization adapter sleeve outer wall on have screw thread, the top and bottom of fluid insulation insulated column are fixedly mounted in upper mounting groove with in lower mounting groove respectively by screw thread, fluid pressurization joint pin outer wall above fluid pressurization adapter sleeve is installed with fluid pressurization fixed cover by screw thread, the fluid pressurization joint pin of line outlet groove left end is installed with fluid sealing adaptor respectively by screw thread and drives liquid sealing joint, the lower end of fluid pressurization joint pin is installed with fluid sealing cap by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212649.5A CN103293382B (en) | 2013-05-31 | 2013-05-31 | Drive liquid fluid electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212649.5A CN103293382B (en) | 2013-05-31 | 2013-05-31 | Drive liquid fluid electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103293382A CN103293382A (en) | 2013-09-11 |
| CN103293382B true CN103293382B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310212649.5A Expired - Fee Related CN103293382B (en) | 2013-05-31 | 2013-05-31 | Drive liquid fluid electrode |
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| Country | Link |
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| CN (1) | CN103293382B (en) |
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| CN201804044U (en) * | 2010-05-25 | 2011-04-20 | 中国石油大学(华东) | Clamp holder for core resistance measurement |
| CN102519661A (en) * | 2011-10-26 | 2012-06-27 | 中国石油集团西部钻探工程有限公司 | Rock core centrifuge capillary pressure resistivity league measurement device |
| CN102519831A (en) * | 2011-10-26 | 2012-06-27 | 中国石油集团西部钻探工程有限公司 | Semi-permeable partition rock core capillary pressure and resistivity measuring device |
| CN102520247A (en) * | 2011-10-26 | 2012-06-27 | 中国石油集团西部钻探工程有限公司 | Slurry resistivity measuring device |
| CN102520214A (en) * | 2011-10-26 | 2012-06-27 | 中国石油集团西部钻探工程有限公司 | Full-diameter core resistivity clamp |
| CN202948063U (en) * | 2012-11-12 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Sealing type core resistivity measuring clamp |
| CN202948028U (en) * | 2012-11-12 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Core displacement electrical measuring holder special for oil water |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130002258A1 (en) * | 2011-06-30 | 2013-01-03 | Schlumberger Technology Corporation | Device for dielectric permittivity and resistivity high temperature measurement of rock samples |
-
2013
- 2013-05-31 CN CN201310212649.5A patent/CN103293382B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201804044U (en) * | 2010-05-25 | 2011-04-20 | 中国石油大学(华东) | Clamp holder for core resistance measurement |
| CN102519661A (en) * | 2011-10-26 | 2012-06-27 | 中国石油集团西部钻探工程有限公司 | Rock core centrifuge capillary pressure resistivity league measurement device |
| CN102519831A (en) * | 2011-10-26 | 2012-06-27 | 中国石油集团西部钻探工程有限公司 | Semi-permeable partition rock core capillary pressure and resistivity measuring device |
| CN102520247A (en) * | 2011-10-26 | 2012-06-27 | 中国石油集团西部钻探工程有限公司 | Slurry resistivity measuring device |
| CN102520214A (en) * | 2011-10-26 | 2012-06-27 | 中国石油集团西部钻探工程有限公司 | Full-diameter core resistivity clamp |
| CN202948063U (en) * | 2012-11-12 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Sealing type core resistivity measuring clamp |
| CN202948028U (en) * | 2012-11-12 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Core displacement electrical measuring holder special for oil water |
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| Publication number | Publication date |
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| CN103293382A (en) | 2013-09-11 |
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