CN102818830B - High temperature and high pressure core induced polarization potential measurement holder - Google Patents
High temperature and high pressure core induced polarization potential measurement holder Download PDFInfo
- Publication number
- CN102818830B CN102818830B CN201210294196.0A CN201210294196A CN102818830B CN 102818830 B CN102818830 B CN 102818830B CN 201210294196 A CN201210294196 A CN 201210294196A CN 102818830 B CN102818830 B CN 102818830B
- Authority
- CN
- China
- Prior art keywords
- chamber
- core
- induced polarization
- potential measurement
- electrochemical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention relates to a high temperature and high pressure core induced polarization potential measurement holder, comprising two electrochemical chambers, a core chamber and a metal shell. The electrochemical chambers are used for containing solution, and are respectively provided with a measuring electrode and a power supply electrode; the core is placed in the core chamber, which applies pressure on the core; an oil bath is employed to conduct circulating heating on the core; and the metal shell reinforces bearing capacity of the holder. The invention realizes induced polarization potential measurement on the core at a temperature of 90 DEG, confining pressure of 70 MPa and pore pressure of 45MPa.
Description
Technical field
The invention belongs to rock core induced polarization potential measurement clamper under a kind of temperature, pressure condition in electrochemical potential experiment measuring utensil field.
Background technology
Induced polarization current potential is a kind of electrochemical phenomena that excited by external electric field electric current to produce due to formation rock, and oozing parameter, pore texture, formation water resistivity, cation exchange capacity (CEC) etc. with formation rock character, hole has close relationship.Under rational measuring technique condition, induced polarization log data coordinates other well-log informations that the important parameter such as formation water resistivity and stratum cation exchange capacity (CEC) and rock pore structure can be effectively provided, for accurately identification oil-water-layer, evaluation oil saturation and Water Flooding Layer provide strong foundation.Therefore, carry out induced polarization current potential experimental study, for the research and development of logging instrumentation and the explanation of well-log information application lays the foundation, be to solve the experimental study of temperature, pressure on the impact of rock induced polarization current potential, just need a kind of High Temperature High Pressure rock core induced polarization potential measurement clamper.
Summary of the invention
The object of the invention is, for solving the experimental study of temperature, pressure on the impact of rock induced polarization current potential, to have proposed a kind of High Temperature High Pressure rock core induced polarization potential measurement clamper that under different temperatures pressure condition, rock induced polarization current potential is affected experiment measuring of realizing.
Technical scheme is: comprise core chamber and two electrochemical chamber, and the oil bath circulation cavity that core chamber is tubular structure, electrochemical chamber is cavity body structure, after core chamber two ends are connected with electrochemical chamber, forms same axial through hole; The through hole of electrochemical chamber is sealed with and runs through the inside and outside annular space plunger of its chamber, pegs graft and coordinate with the inner chamber of core chamber in the opposite end of two annular space plungers.
Electrochemical chamber inwall is the high strength non-metallic material bed of material, built-in potential electrode and transmitting electrode, and the annular space plunger that runs through its inner chamber part adopts high strength nonmetallic materials or the coating high strength non-metallic material bed of material outside metal material.
Potential electrode adopts silver electrode, and transmitting electrode adopts corrosion resistant Hastelloy material.
The end in opposite directions of described annular space plunger is provided with screw rod and handle.
Electrochemical chamber of the present invention is symmetrically distributed in the two ends of core chamber, has simple in structure; Electrochemical chamber inwall adopts high strength nonmetallic materials, be used for splendid attire solution and there is good sealing, anti-corrosive properties, heat insulating ability, built-in potential electrode and transmitting electrode conjunction measuring instrument, the annular space plunger at two ends is directly exerted pressure to core chamber by screw rod and handle, easy operating and use, rock core is placed by core chamber, the sealing of insulation packing element, and oil bath circulation cavity is heated to rock core.Realize rock core 90 DEG C of temperature, confined pressure 70MPa, pore pressure 45MPa induced polarization potential measurement, result is accurately stable, particularly suitable core diameter 2.5cm, length 2-7cm.For induced polarization current potential experimental study, and the research and development of logging instrumentation and the explanation of well-log information application lays the foundation.
Brief description of the drawings
Fig. 1 is High Temperature High Pressure rock core induced polarization potential measurement holder structure figure.In figure, electrochemical chamber 1, potential electrode 2, core chamber 3, annular space plunger 4, metal shell 5, oil bath circulation cavity 6, transmitting electrode 7.
Embodiment
With reference to accompanying drawing 1, the oil bath circulation cavity 6 that core chamber 3 is tubular structure, electrochemical chamber 1 high strength nonmetallic materials forms cavity body structure for metal shell 5 comprises, and (the electrochemical chamber 1 here also can directly adopt the processing of high strength nonmetallic materials, as high strength glass fiber), after being connected with electrochemical chamber 1, core chamber 3 two ends form same axial through hole.The through hole of electrochemical chamber 1 is sealed with and runs through the inside and outside opposite end of 4, two annular space plungers 4 of annular space plunger of its chamber and coordinate with the grafting of the inner chamber of core chamber.
The end in opposite directions of annular space plunger is provided with screw rod and handle.Certainly the annular space plunger here also can adopt other way of propelling, as the mode of liquid (gas) cylinder pressure, linear drive motor etc.
The built-in potential electrode 2 of electrochemical chamber 1 and transmitting electrode 7, potential electrode adopts silver electrode, and transmitting electrode adopts corrosion resistant Hastelloy material.The annular space plunger 4 that runs through its inner chamber part adopts high strength nonmetallic materials or the coating high strength non-metallic material bed of material outside metal material.
When use, pack rock core into core chamber 3, add annular space plunger 4, the solution of saturated core packs electrochemical chamber 1 into, rock core is applied to confined pressure, by annular space plunger 4, rock core is applied to pore pressure, by oil bath circulation cavity 6, rock core is heated, by transmitting electrode 7, rock core is carried out to induced polarization, potential electrode 2 completes rock core and measures.
Claims (4)
1. High Temperature High Pressure rock core induced polarization potential measurement clamper, it is characterized in that: comprise core chamber and two electrochemical chamber, core chamber is the oil bath circulation cavity of tubular structure, and electrochemical chamber is cavity body structure, after core chamber two ends are connected with electrochemical chamber, forms same axial through hole; The through hole of electrochemical chamber is sealed with and runs through the inside and outside annular space plunger of its chamber, pegs graft and coordinate with the inner chamber of core chamber in the opposite end of two annular space plungers.
2. High Temperature High Pressure rock core induced polarization potential measurement clamper according to claim 1, it is characterized in that: electrochemical chamber inwall is the high strength non-metallic material bed of material, built-in potential electrode and transmitting electrode, the annular space plunger that runs through its inner chamber part adopts high strength nonmetallic materials or the coating high strength non-metallic material bed of material outside metal material.
3. High Temperature High Pressure rock core induced polarization potential measurement clamper according to claim 2, is characterized in that potential electrode adopts silver electrode, and transmitting electrode adopts corrosion resistant Hastelloy material.
4. according to the High Temperature High Pressure rock core induced polarization potential measurement clamper described in claim 1,2 or 3, it is characterized in that: the end in opposite directions of described annular space plunger is provided with screw rod and handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210294196.0A CN102818830B (en) | 2012-08-18 | 2012-08-18 | High temperature and high pressure core induced polarization potential measurement holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210294196.0A CN102818830B (en) | 2012-08-18 | 2012-08-18 | High temperature and high pressure core induced polarization potential measurement holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102818830A CN102818830A (en) | 2012-12-12 |
| CN102818830B true CN102818830B (en) | 2014-06-11 |
Family
ID=47303077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210294196.0A Active CN102818830B (en) | 2012-08-18 | 2012-08-18 | High temperature and high pressure core induced polarization potential measurement holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102818830B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257215B (en) * | 2013-02-21 | 2015-08-12 | 西南石油大学 | The visual core holding unit of a kind of coalbed methane reservoir rock sample |
| CN103336040B (en) * | 2013-07-15 | 2015-01-21 | 东北石油大学 | High-precision self-potential measuring device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4572009A (en) * | 1984-06-18 | 1986-02-25 | Temco, Inc. | Connector for core holder |
| CN1244822C (en) * | 2004-05-08 | 2006-03-08 | 大庆石油管理局 | Method for determining pore structure and in-place permeability utilizing induced polarization spectrum of rock |
| CN101819173B (en) * | 2010-05-12 | 2012-08-15 | 中国石油天然气集团公司 | Device for measuring polarizability of rocks |
| CN102455277B (en) * | 2010-10-22 | 2014-04-02 | 中国石油化工股份有限公司 | Device and method for measuring gasometry permeability of rock under high pressure |
| CN102062742B (en) * | 2010-12-15 | 2012-09-05 | 大连理工大学 | Sand-filling type clamp fastener for nuclear magnetic resonance imaging |
| KR101082264B1 (en) * | 2011-04-01 | 2011-11-09 | 한국지질자원연구원 | A spectral induced polarization measurement system of samples |
| CN102507626A (en) * | 2011-10-10 | 2012-06-20 | 北京大学 | Rock core holder compatible with nuclear magnetic resonance |
| CN202748334U (en) * | 2012-08-18 | 2013-02-20 | 中国石油化工股份有限公司 | High temperature and high pressure rock core induced polarization potential measurement clamp holder |
-
2012
- 2012-08-18 CN CN201210294196.0A patent/CN102818830B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102818830A (en) | 2012-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104854470A (en) | Formation core sample holder assembly and testing method for nuclear magnetic resonance measurements | |
| CN205139062U (en) | Coefficient of heat conductivity unites accuracy of measurement with resistivity | |
| CN102818830B (en) | High temperature and high pressure core induced polarization potential measurement holder | |
| WO2014189582A3 (en) | Managing nuclear reactor spent fuel rods | |
| CN102507904B (en) | Thermal consolidation pressure room of hollow column sample | |
| KR101381686B1 (en) | Apparatus for production study using gas hydrate-bearing specimens | |
| CN104914229A (en) | Multi-parameter high-temperature high-pressure major diameter rock core holder | |
| CN202748334U (en) | High temperature and high pressure rock core induced polarization potential measurement clamp holder | |
| ZA201005127B (en) | Electrical heating element | |
| CN201679496U (en) | Underground liquid level monitor for gas storage well | |
| CN102818647A (en) | Quick-response thermocouple resistant to transient-state high pressure of explosion field | |
| CN203399310U (en) | Double-wall heating pipe | |
| CN105043970A (en) | Metal corrosion electrochemical experiment device used in soil medium | |
| CN204203214U (en) | Multiparameter High Temperature High Pressure large diameter core clamper | |
| CN203425246U (en) | Novel blood transport box | |
| CN202994698U (en) | Heat conductivity measuring probe | |
| CN105202303A (en) | Improved structure of petroleum-transportation-based heat preservation device | |
| CN104792692A (en) | Corrosive working electrode | |
| CN204962149U (en) | Heating device for avoid petroleum pipeline non -plastic fracture | |
| CN104718796A (en) | Electrical heating element | |
| CN202835756U (en) | Heating unit of fluid | |
| CN105114748A (en) | Attemperator for preventing petroleum pipeline congelation | |
| CN203364921U (en) | Electric contact water level gauge with built-in electrode | |
| RU2492455C1 (en) | Device for measuring thermal conductivity of porous bodies fluid-saturated under pressure | |
| CN103352273A (en) | Variable-temperature pre-oxidation furnace head device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |