CN103293192B - Displacement electrode - Google Patents
Displacement electrode Download PDFInfo
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- CN103293192B CN103293192B CN201310212584.4A CN201310212584A CN103293192B CN 103293192 B CN103293192 B CN 103293192B CN 201310212584 A CN201310212584 A CN 201310212584A CN 103293192 B CN103293192 B CN 103293192B
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- displacement
- pressurization
- joint pin
- insulated column
- pressure cap
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Abstract
<b> the present invention relates to </b><bGreatT.Gre aT.GT rock core saturation degree resistivity measurement electrode technology field </b><bGreatT.Gre aT.GT, be a kind of displacement electrode, it comprises </b><bGreatT.Gre aT.GT displacement pressurization joint pin, displacement conduction pressure cap and displacement insulation insulated column; Displacement pressurization joint pin external wall of upper portion there is the installation concave station of annular, installation concave station is provided with displacement pressurization adapter sleeve, installation concave station above displacement pressurization adapter sleeve is installed with displacement pressurization fixed cover, the lower end of displacement pressurization joint pin is installed with displacement insulation insulated column, the lower end of displacement insulation insulated column is installed with displacement conduction pressure cap, has the axially extending bore be communicated with at displacement pressurization joint pin respectively with the inside of displacement insulation insulated column.</b><bGreatT.Gre aT.GT reasonable and compact in structure of the present invention, easy to use, it effectively can improve rock core and electrode coupling efficiency and conductive capability, thus improves the accuracy that </b><bGreatT.Gre aT.GT measures rock core saturation degree resistivity.</b>
Description
Technical field
the present invention relates to rock core saturation degree resistivity measurement electrode technology field, is a kind of displacement electrode.
Background technology
for a long time, rock core saturation degree resistivity measurement electrode adopts displacement electrode and fluid electrode two pole method to measure rock core saturation degree resistivity, and displacement end adopts rock core to be coupled with stainless steel potential electrode, and coupling effect is poor, rock core and electrode contact error large.Although this kind of mode can not impact rock core saturation degree measuring accuracy, along with the decline of rock core water containing saturability, 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 a kind of displacement electrode, overcome the deficiency of above-mentioned prior art, it effectively can solve traditional displacement electrode and make because rock core and electrode contact are bad rock core bad causing that be coupled measure the large problem of rock core saturation degree resistivity error.
technical scheme of the present invention is realized by following measures: a kind of displacement electrode, comprises displacement pressurization joint pin, displacement conduction pressure cap and displacement insulation insulated column, displacement pressurization joint pin external wall of upper portion there is the installation concave station of annular, installation concave station is provided with displacement pressurization adapter sleeve, installation concave station above displacement pressurization adapter sleeve is installed with displacement pressurization fixed cover, the lower end of displacement pressurization joint pin is installed with displacement insulation insulated column, the lower end of displacement insulation insulated column is installed with displacement conduction pressure cap, have with the inside of displacement insulation insulated column the axially extending bore be communicated with respectively at displacement pressurization joint pin, displacement pressurization joint pin above displacement pressurization fixed cover there is inside and outside slotted line joint, in the inside of axially extending bore, slotted line is installed, the top and bottom of slotted line respectively and displacement inner with slotted line joint are conducted electricity pressure cap and are fixedly installed togather, displacement pressurization joint pin inside above slotted line joint is installed with the round-meshed sealing adaptor in center, the displacement conduction pressure cap of corresponding axially extending bore there is mounting hole, the displacement pipeline being communicated with circular hole and mounting hole is installed in the inside of axially extending bore, there is the displacement connectivity slot communicated with mounting hole displacement conduction pressure cap lower end, displacement conduction pressure cap lower end is installed with porous silver strip.
here is the further optimization and/or improvements to foregoing invention technical scheme:
there is upper mounting groove the lower end of above-mentioned displacement pressurization joint pin, and there is lower mounting groove the upper end of displacement conduction pressure cap, and the top and bottom of displacement insulation insulated column are fixedly mounted in mounting groove and in lower mounting groove respectively.
the above-mentioned afterburning hole being circumferentially radially distributed with at least two on displacement pressurization adapter sleeve outer wall, displacement insulation insulated column is cruciform, and the outer wall of displacement insulation insulated column is circumferentially radially distributed with the afterburning hole of at least two.
above-mentioned slotted line can overlap and have insulation tube.
the outer wall of above-mentioned displacement pressurization adapter sleeve can there is screw thread, the installation concave station of displacement pressurization joint pin is provided with displacement pressurization fixed cover by screw thread, the top and bottom of displacement insulation insulated column are fixedly mounted in upper mounting groove respectively by screw thread and in lower mounting groove, displacement conduction pressure cap lower end is welded with porous silver strip.
reasonable and compact in structure of the present invention, easy to use, it effectively can improve rock core and electrode coupling efficiency and conductive capability, thus improves the accuracy of measuring rock core saturation degree resistivity.
Accompanying drawing explanation
accompanying drawing 1 is that the master of preferred embodiment looks sectional structure schematic diagram.
coding in accompanying drawing is respectively: 1 is displacement pressurization joint pin, and 2 for installing concave station, and 3 is displacement pressurization adapter sleeve, and 4 is displacement pressurization fixed cover, 5 is upper mounting groove, and 6 is displacement conduction pressure cap, and 7 is lower mounting groove, 8 is displacement insulation insulated column, and 9 is axially extending bore, and 10 is slotted line joint, 11 is slotted line, and 12 is circular hole, and 13 is sealing adaptor, 14 is mounting hole, and 15 is displacement pipeline, and 16 is displacement connectivity slot, 17 is porous silver strip, and 18 is afterburning hole, and 19 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 Figure 1, this displacement electrode comprises displacement pressurization joint pin 1, displacement conduction pressure cap 6 and displacement insulation insulated column 8, displacement pressurization joint pin 1 external wall of upper portion there is the installation concave station 2 of annular, installation concave station 2 is provided with displacement pressurization adapter sleeve 3, installation concave station 2 above displacement pressurization adapter sleeve 3 is installed with displacement pressurization fixed cover 4, the lower end of displacement pressurization joint pin 1 is installed with displacement insulation insulated column 8, the lower end of displacement insulation insulated column 8 is installed with displacement conduction pressure cap 6, have with the inside of displacement insulation insulated column 8 axially extending bore 9 be communicated with respectively at displacement pressurization joint pin 1, displacement pressurization joint pin 1 above displacement pressurization fixed cover 4 there is inside and outside slotted line joint 10, in the inside of axially extending bore 9, slotted line 11 is installed, the top and bottom of slotted line 11 respectively and displacement inner with slotted line joint 10 are conducted electricity pressure cap 6 and are fixedly installed togather, displacement pressurization joint pin 1 inside above slotted line joint 10 is installed with the sealing adaptor 13 that there is circular hole 12 at center, the displacement conduction pressure cap 6 of corresponding axially extending bore 9 there is mounting hole 14, the displacement pipeline 15 being communicated with circular hole 12 and mounting hole 14 is installed in the inside of axially extending bore 9, there is the displacement connectivity slot 16 communicated with mounting hole 14 displacement conduction pressure cap 6 lower end, displacement conduction pressure cap 6 lower end is installed with porous silver strip 17.Displacement pressure is by circular hole 12, displacement pipeline 15, mounting hole 14, displacement connectivity slot 16 and porous silver strip 17 are applied in the hole duct of rock core end face, displacement goes out the liquid in rock core hole, eliminate rock core to be coupled with potential electrode the bad measuring error brought, the coupling pressure that displacement pressurization joint pin 1 ensure that different rock core dimensional measurement and applies between rock core and potential electrode, displacement pressurization fixed cover 4 is spacing for displacement pressurization adapter sleeve 3, displacement pressurization adapter sleeve 3 ensure that the coupling pressure applied between rock core and potential electrode, reduce the Touch error that rock core contact resistance brings, ensure that the needs of rock core saturation degree resistivity measurement precision, porous silver strip 17 has the characteristic that coupling is good, conductive capability is strong, the displacement conduction pressure cap 6 of displacement connectivity slot 16 is provided with at porous silver strip 17 end, contact resistance between rock core and potential electrode is reduced to minimum, this design both ensure that the accurate measurement of rock core liquid outlet quantity, in turn ensure that the measuring accuracy of saturation degree rock core resistivity.
according to actual needs, above-mentioned displacement electrode can be made further optimization and/or improvements:
as shown in Figure 1, there is upper mounting groove 5 lower end of displacement pressurization joint pin 1, and there is lower mounting groove 7 upper end of displacement conduction pressure cap 6, and the top and bottom of displacement insulation insulated column 8 are fixedly mounted in mounting groove 5 and in lower mounting groove 7 respectively.
as shown in Figure 1, displacement pressurization adapter sleeve 3 outer wall is circumferentially radially distributed with the afterburning hole 18 of at least two, displacement insulation insulated column 8, in cruciform, the outer wall of displacement insulation insulated column 8 is circumferentially radially distributed with the afterburning hole 18 of at least two.Afterburning hole 18 facilitates the force of each parts in installation and removal process.
as shown in Figure 1, on slotted line 11, cover has insulation tube 19.Ensure that slotted line 11 and outside insulativity.
as shown in Figure 1, the outer wall of displacement pressurization adapter sleeve 3 there is screw thread, the installation concave station 2 of displacement pressurization joint pin 1 is provided with displacement pressurization fixed cover 4 by screw thread, the top and bottom of displacement insulation insulated column 8 are fixedly mounted in upper mounting groove 5 and in lower mounting groove 7 respectively by screw thread, and displacement conduction pressure cap 6 lower end is welded with porous silver strip 17.Porous silver strip 17 and displacement are conducted electricity between pressure cap 6 can improve porous silver strip 17 and rock core end coupling by welding, and improves rock core and electrode coupling efficiency and conductive capability.
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 (1)
1. a displacement electrode, is characterized in that comprising displacement pressurization joint pin, displacement conduction pressure cap and displacement insulation insulated column, displacement pressurization joint pin external wall of upper portion there is the installation concave station of annular, installation concave station is provided with displacement pressurization adapter sleeve, installation concave station above displacement pressurization adapter sleeve is installed with displacement pressurization fixed cover, the lower end of displacement pressurization joint pin is installed with displacement insulation insulated column, the lower end of displacement insulation insulated column is installed with displacement conduction pressure cap, have with the inside of displacement insulation insulated column the axially extending bore be communicated with respectively at displacement pressurization joint pin, displacement pressurization joint pin above displacement pressurization fixed cover there is inside and outside slotted line joint, in the inside of axially extending bore, slotted line is installed, the top and bottom of slotted line respectively and displacement inner with slotted line joint are conducted electricity pressure cap and are fixedly installed togather, displacement pressurization joint pin inside above slotted line joint is installed with the round-meshed sealing adaptor in center, the displacement conduction pressure cap of corresponding axially extending bore there is mounting hole, the displacement pipeline being communicated with circular hole and mounting hole is installed in the inside of axially extending bore, there is the displacement connectivity slot communicated with mounting hole displacement conduction pressure cap lower end, displacement conduction pressure cap lower end is installed with porous silver strip, wherein:
There is upper mounting groove the lower end of displacement pressurization joint pin, and there is lower mounting groove the upper end of displacement conduction pressure cap, and the top and bottom of displacement insulation insulated column are fixedly mounted in mounting groove and in lower mounting groove respectively; Displacement pressurization adapter sleeve outer wall is circumferentially radially distributed with the afterburning hole of at least two, displacement insulation insulated column is cruciform, and the outer wall of displacement insulation insulated column is circumferentially radially distributed with the afterburning hole of at least two; On slotted line, cover has insulation tube; The outer wall of displacement pressurization adapter sleeve there is screw thread, the installation concave station of displacement pressurization joint pin is provided with displacement pressurization fixed cover by screw thread, the top and bottom of displacement insulation insulated column are fixedly mounted in upper mounting groove respectively by screw thread and in lower mounting groove, displacement conduction pressure cap lower end is welded with porous silver strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212584.4A CN103293192B (en) | 2013-05-31 | 2013-05-31 | Displacement electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212584.4A CN103293192B (en) | 2013-05-31 | 2013-05-31 | Displacement electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103293192A CN103293192A (en) | 2013-09-11 |
| CN103293192B true CN103293192B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310212584.4A Expired - Fee Related CN103293192B (en) | 2013-05-31 | 2013-05-31 | Displacement electrode |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237317B (en) * | 2014-09-15 | 2016-08-31 | 中国石油天然气股份有限公司 | Pressure-resistant sealing device of saturation test circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5610524A (en) * | 1994-09-09 | 1997-03-11 | Institut Francais Du Petrole | Device for petrophysical measurement and implementation method |
| CN2872359Y (en) * | 2006-03-06 | 2007-02-21 | 赵江青 | Array semi-penetrating dummy hollow-billet pressure-resistance combined inspector |
| 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 |
-
2013
- 2013-05-31 CN CN201310212584.4A patent/CN103293192B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5610524A (en) * | 1994-09-09 | 1997-03-11 | Institut Francais Du Petrole | Device for petrophysical measurement and implementation method |
| CN2872359Y (en) * | 2006-03-06 | 2007-02-21 | 赵江青 | Array semi-penetrating dummy hollow-billet pressure-resistance combined inspector |
| 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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| CN103293192A (en) | 2013-09-11 |
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