CN201953372U - Pressure-bearing type resistivity sensor - Google Patents
Pressure-bearing type resistivity sensor Download PDFInfo
- Publication number
- CN201953372U CN201953372U CN201020695749XU CN201020695749U CN201953372U CN 201953372 U CN201953372 U CN 201953372U CN 201020695749X U CN201020695749X U CN 201020695749XU CN 201020695749 U CN201020695749 U CN 201020695749U CN 201953372 U CN201953372 U CN 201953372U
- Authority
- CN
- China
- Prior art keywords
- retaining collar
- electrode
- dead ring
- ring
- pressure
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a pressure-bearing type resistivity sensor which comprises an insulating ring A, an insulating ring B, an insulating ring C, an insulating ring D, a shaft sleeve, a press ring, an electrode support, a check block, an electrode ring A, an electrode ring B, an electrode ring C, an O-shaped sealing ring, a sealing ring, a cross-shaped slotted screw and a lead, wherein the press ring is driven to move along the axial direction by the shaft sleeve and the electrode support through a screw thread pair; the electrode rings are compressed and fixed with the insulating rings; and in the compressing process, the check block and the electrode support are fixed by the cross-shaped slotted screw, so that the circumferential movement between the electrode support and the press ring can be limited. The pressure-bearing type resistivity sensor has the beneficial effect that the resistivity of fluid can be accurately measured in the high-pressure environment, so that the measurement for the resistivity of downhole slurry can be realized. The pressure-bearing type resistivity sensor can be used for measuring the resistivity of the fluid in the underground high-pressure environment under the condition that a pressure balancing device is not available, the measurement range is 0.01-5.0 omega. m, and the measurement accuracy is +/-1%. The pressure-bearing type resistivity sensor is simple in structure, easy to assemble and convenient to clean and maintain.
Description
Technical field
The utility model relates to the resistivity measurement field of fluid, mainly is a kind of pressure-bearing type resistivity sensor.
Background technology
At present, in the well logging process, resistivity sensor is to bear down-hole high pressure, for guaranteeing the resistivity sensor operate as normal, requiring has pressure equaliser on the logging instrument, thereby makes logging instrument in use need repairing, and cause the logging instrument complex structure, length is bigger.
The utility model content
The purpose of this utility model will overcome the deficiency of above-mentioned technology just, and provide a kind of pressure-bearing type resistivity sensor, be a kind of sensor that is used to measure fluid resistivity, can accurately measure the resistivity of fluid under the 140MPa hyperbaric environment, realize the measurement of down-hole slurry resistivity.
The utility model is realized the technical scheme that purpose adopted.This pressure-bearing type resistivity sensor, comprise dead ring A, dead ring B, dead ring C, dead ring D, axle sleeve, pressure ring, electrode support, block, electrode retaining collar A, electrode retaining collar B, electrode retaining collar C, the O RunddichtringO, sealing ring, the cross slotted screw, lead, axle sleeve, pressure ring and electrode support are the cylindric parts that has metal material to make, order is with dead ring A on electrode support, electrode retaining collar A, dead ring B, electrode retaining collar B, dead ring C, electrode retaining collar C, dead ring D, electrode retaining collar C, dead ring C, electrode retaining collar B, dead ring B, electrode retaining collar A, dead ring A, between electrode retaining collar and the dead ring sealing ring is housed, axle sleeve and electrode support pass through screw thread pair, pressure ring is moved vertically, with electrode retaining collar and dead ring compresses and fixing, in compaction process, block and electrode support are fixed by the cross slotted screw, circumferential movement between restriction electrode support and the pressure ring, thereby guarantee can not produce circumferential movement between electrode retaining collar and the dead ring, axle sleeve, the O RunddichtringO is housed between pressure ring and the electrode support, electrode retaining collar A, electrode retaining collar B, electrode retaining collar C is connected with lead, lead passes crossed beam trunking and the cable-through hole on the electrode support, lead can be connected with the matching component of instrument, signal is passed to instrument internal handle.
The quantity of described electrode retaining collar A is 2, and the quantity of electrode retaining collar B is 2, and the quantity of electrode retaining collar C is 2, and the quantity of dead ring A is 2, and the quantity of dead ring B is 2, and the quantity of dead ring C is 2, and the quantity of dead ring D is 1.
Described dead ring A, dead ring B, dead ring C, dead ring D have identical external diameter and internal diameter, and electrode retaining collar A, electrode retaining collar B have identical external diameter and internal diameter with electrode retaining collar C.
Crossed beam trunking on the described electrode support has 2, and crossed beam trunking is distributed on the face of cylinder of electrode support, and cable-through hole is arranged on the electrode support, and lead has 6, and the crossed beam trunking that lead passes on the electrode support successively is connected with the matching component of logging instrument with cable-through hole.
There is not seal groove on the described dead ring A, 1 seal groove is respectively arranged on dead ring B, electrode support and the pressure ring, 2 seal grooves are respectively arranged on electrode retaining collar A, dead ring C and the dead ring D, between electrode support and dead ring A, between dead ring A and electrode retaining collar A, between electrode retaining collar A and dead ring B, between dead ring B and electrode retaining collar B, between electrode retaining collar B and dead ring C, between dead ring C and electrode retaining collar C, between electrode retaining collar C and dead ring D, between dead ring A and pressure ring, have 14 sealing rings.
4 seal grooves are arranged on the described electrode support, between electrode support and pressure ring, between electrode support and axle sleeve, have 4 O RunddichtringOs.
Described dead ring A, dead ring B, dead ring C and dead ring D adopt insulation materials to make.
Described axle sleeve, pressure ring, electrode support, block, electrode retaining collar A, electrode retaining collar B and electrode retaining collar C adopt stainless steel material to make, and electrode retaining collar A, electrode retaining collar B go up leaded with electrode retaining collar C and wire bonds is in the same place.
Described axle sleeve and electrode support are fixed together by being threaded.
The effect that the utility model is useful is: the utility model can not have under the situation of pressure equaliser under the measuring well resistivity of fluid under the hyperbaric environment, and overall structure is simple, and assembling easily is convenient to clean and safeguard.The utility model can be worked under 175 ℃ the condition at HTHP 140MPa, measurement category 0.01～5.0 Ω m, certainty of measurement ± 1%.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model pressure-bearing type resistivity sensor;
Description of reference numerals: dead ring A-1, dead ring B-2, dead ring C-3, dead ring D-4, axle sleeve 5, pressure ring 6, electrode support 7, block 8, electrode retaining collar A-9, electrode retaining collar B-10, electrode retaining collar C-11, O RunddichtringO 12, sealing ring 13, cross slotted screw 14, lead 15, crossed beam trunking 16, cable-through hole 17.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
In Fig. 1, this pressure-bearing type resistivity sensor, comprise dead ring A1, dead ring B2, dead ring C3, dead ring D4, axle sleeve 5, pressure ring 6, electrode support 7, block 8, electrode retaining collar A9, electrode retaining collar B10, electrode retaining collar C11, O RunddichtringO 12, sealing ring 13, cross slotted screw M314, lead 15, axle sleeve 5, pressure ring 6 and electrode support 7 are the cylindric parts that have metal material to make, order is with dead ring A1 on electrode support 7, electrode retaining collar A9, dead ring B2, electrode retaining collar B10, dead ring C3, electrode retaining collar C11, dead ring D4, electrode retaining collar C11, dead ring C3, electrode retaining collar B10, dead ring B2, electrode retaining collar A9, dead ring A1, sealing ring 13 is housed between electrode retaining collar and the dead ring, axle sleeve 5 is fixed together by being threaded with electrode support 7, by screw thread pair pressure ring 6 is moved vertically, with electrode retaining collar and dead ring compresses and fixing, in compaction process, block 8 is fixed by cross slotted screw M314 with electrode support 7, circumferential movement between restriction electrode support 7 and the pressure ring 6, thereby guarantee can not produce circumferential movement between electrode retaining collar and the dead ring, axle sleeve 5, between pressure ring 6 and the electrode support 7 O RunddichtringO 12 is housed, electrode retaining collar A9, electrode retaining collar B10, electrode retaining collar C11 is connected with lead 15, lead 15 passes crossed beam trunking 16 and the cable-through hole 17 on the electrode support 7, lead 15 can be connected with the matching component of instrument, signal is passed to instrument internal handle.
The quantity of electrode retaining collar A9 is 2, and the quantity of electrode retaining collar B10 is 2, and the quantity of electrode retaining collar C11 is 2, and the quantity of dead ring A1 is 2, and the quantity of dead ring B2 is 2, and the quantity of dead ring C3 is 2, and the quantity of dead ring D4 is 1.Crossed beam trunking 16 on the electrode support 7 has 2, crossed beam trunking 16 is distributed on the face of cylinder of electrode support 7, cable-through hole 17 is arranged on the electrode support 7, and lead 15 has 6, and the crossed beam trunking 16 that lead 15 passes on the electrode support 7 successively is connected with the matching component of logging instrument with cable-through hole 17.Dead ring A1, dead ring B2, dead ring C3, dead ring D4 have identical external diameter and internal diameter, and electrode retaining collar A9, electrode retaining collar B10 have identical external diameter and internal diameter with electrode retaining collar C11.
There is not seal groove on the dead ring A1,1 seal groove is respectively arranged on dead ring B2, electrode support 7 and the pressure ring 6,2 seal grooves are respectively arranged on electrode retaining collar A9, dead ring C3 and the dead ring D4, between electrode support 7 and dead ring A1, between dead ring A1 and electrode retaining collar A9, between electrode retaining collar A9 and dead ring B2, between dead ring B2 and electrode retaining collar B10, between electrode retaining collar B10 and dead ring C3, between dead ring C3 and electrode retaining collar C11, between electrode retaining collar C11 and dead ring D4, between dead ring A1 and pressure ring 6, have 14 sealing rings 13.4 seal grooves are arranged on the electrode support 7, between electrode support 7 and pressure ring 6, between electrode support 7 and axle sleeve 5, have 4 O RunddichtringOs 12.
Dead ring A1, dead ring B2, dead ring C3 and dead ring D4 adopt insulation materials to make.Axle sleeve 5, pressure ring 6, electrode support 7, block 8, electrode retaining collar A9, electrode retaining collar B10 and electrode retaining collar C11 adopt stainless steel material to make, and electrode retaining collar A9, electrode retaining collar B10 and electrode retaining collar C11 go up leaded and lead 15 welds together.
In addition to the implementation, all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (8)
1. pressure-bearing type resistivity sensor, it is characterized in that: comprise dead ring A (1), dead ring B (2), dead ring C (3), dead ring D (4), axle sleeve (5), pressure ring (6), electrode support (7), block (8), electrode retaining collar A (9), electrode retaining collar B (10), electrode retaining collar C (11), O RunddichtringO (12), sealing ring (13), cross slotted screw (14) and lead (15), axle sleeve (5), pressure ring (6) and electrode support (7) are the cylindric parts of being made by metal material, go up order at electrode support (7) and be with dead ring A (1), electrode retaining collar A (9), dead ring B (2), electrode retaining collar B (10), dead ring C (3), electrode retaining collar C (11), dead ring D (4), electrode retaining collar C (11), dead ring C (3), electrode retaining collar B (10), dead ring B (2), electrode retaining collar A (9) and dead ring A (1), sealing ring (13) is housed between electrode retaining collar and the dead ring, axle sleeve (5) moves pressure ring (6) with electrode support (7) by screw thread pair vertically, compress electrode retaining collar and dead ring and fixing, block (8) is fixing by cross slotted screw (14) with electrode support (7), axle sleeve (5), between pressure ring (6) and the electrode support (7) O RunddichtringO (12) is housed, electrode retaining collar A (9), electrode retaining collar B (10), electrode retaining collar C (11) is connected with lead (15), and lead (15) passes crossed beam trunking (16) and the cable-through hole (17) on the electrode support (7).
2. pressure-bearing type resistivity sensor according to claim 1, it is characterized in that: dead ring A (1), dead ring B (2), dead ring C (3), dead ring D (4) have identical external diameter and internal diameter, and electrode retaining collar A (9), electrode retaining collar B (10) have identical external diameter and internal diameter with electrode retaining collar C (11).
3. pressure-bearing type resistivity sensor according to claim 1, it is characterized in that: the crossed beam trunking (16) on the electrode support (7) has 2, crossed beam trunking (16) is distributed on the face of cylinder of electrode support (7), cable-through hole (17) is arranged on the electrode support (7), lead (15) has 6, and the crossed beam trunking (16) that lead (15) passes on the electrode support (7) successively is connected with the matching component of logging instrument with cable-through hole (17).
4. pressure-bearing type resistivity sensor according to claim 1, it is characterized in that: dead ring A does not have seal groove on (1), dead ring B (2), on electrode support (7) and the pressure ring (6) 1 seal groove is arranged respectively, electrode retaining collar A (9), on dead ring C (3) and the dead ring D (4) 2 seal grooves are arranged respectively, between electrode support (7) and dead ring A (1), between dead ring A (1) and electrode retaining collar A (9), between electrode retaining collar A (9) and dead ring B (2), between dead ring B (2) and electrode retaining collar B (10), between electrode retaining collar B (10) and dead ring C (3), between dead ring C (3) and electrode retaining collar C (11), between electrode retaining collar C (11) and dead ring D (4), between dead ring A (1) and pressure ring (6), have 14 sealing rings (13).
5. pressure-bearing type resistivity sensor according to claim 1 is characterized in that: 4 seal grooves are arranged on the electrode support (7), between electrode support (7) and pressure ring (6), between electrode support (7) and axle sleeve (5), have 4 O RunddichtringOs (12).
6. pressure-bearing type resistivity sensor according to claim 1 is characterized in that: dead ring A (1), dead ring B (2), dead ring C (3) and dead ring D (4) adopt insulation materials to make.
7. pressure-bearing type resistivity sensor according to claim 1, it is characterized in that: axle sleeve (5), pressure ring (6), electrode support (7), block (8), electrode retaining collar A (9), electrode retaining collar B (10) and electrode retaining collar C (11) adopt stainless steel material to make, and electrode retaining collar A (9), electrode retaining collar B (10) and electrode retaining collar C (11) go up leaded and lead (15) welds together.
8. pressure-bearing type resistivity sensor according to claim 1 is characterized in that: axle sleeve (5) and electrode support (7) are fixed together by being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020695749XU CN201953372U (en) | 2010-12-22 | 2010-12-22 | Pressure-bearing type resistivity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020695749XU CN201953372U (en) | 2010-12-22 | 2010-12-22 | Pressure-bearing type resistivity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953372U true CN201953372U (en) | 2011-08-31 |
Family
ID=44497489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020695749XU Expired - Fee Related CN201953372U (en) | 2010-12-22 | 2010-12-22 | Pressure-bearing type resistivity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953372U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691498A (en) * | 2012-06-29 | 2012-09-26 | 西南石油大学 | Instrument for measuring electrical parameters of mud-while-drilling in horizontal well |
| CN105890725A (en) * | 2014-11-26 | 2016-08-24 | 浙江财经大学 | Dynamic weighing device and method for rotary product |
| CN108150159A (en) * | 2017-12-21 | 2018-06-12 | 中国电子科技集团公司第二十二研究所 | Logging instrument |
| CN108254620A (en) * | 2017-12-21 | 2018-07-06 | 中国电子科技集团公司第二十二研究所 | Resistivity measurement instrument |
-
2010
- 2010-12-22 CN CN201020695749XU patent/CN201953372U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691498A (en) * | 2012-06-29 | 2012-09-26 | 西南石油大学 | Instrument for measuring electrical parameters of mud-while-drilling in horizontal well |
| CN102691498B (en) * | 2012-06-29 | 2014-11-26 | 西南石油大学 | Instrument for measuring electrical parameters of mud-while-drilling in horizontal well |
| CN105890725A (en) * | 2014-11-26 | 2016-08-24 | 浙江财经大学 | Dynamic weighing device and method for rotary product |
| CN105890725B (en) * | 2014-11-26 | 2019-02-12 | 浙江财经大学 | A kind of dynamic weigher and method of Rotating article |
| CN108150159A (en) * | 2017-12-21 | 2018-06-12 | 中国电子科技集团公司第二十二研究所 | Logging instrument |
| CN108254620A (en) * | 2017-12-21 | 2018-07-06 | 中国电子科技集团公司第二十二研究所 | Resistivity measurement instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201953372U (en) | Pressure-bearing type resistivity sensor | |
| CN103498662B (en) | A kind of cement sheath structural integrity dynamics experimental device | |
| CN201935846U (en) | Cementing strength testing device for well cementation | |
| CN1858399B (en) | Electric hydraulic packer for oil pipe | |
| CN103278380B (en) | A kind of External Pressure at High Temperature device for the full-scale evaluation of oil country tubular goods | |
| CN103267689A (en) | Pipe hydrobulging forming limit diagram construction method and test apparatus | |
| CN102937551A (en) | Rock triaxial test device based on capacitance imaging | |
| CN105089645A (en) | Horizontal well logging tappet rod | |
| CN102680382B (en) | Under-deposit corrosion experiment bracket and method for experimenting by using same | |
| CN203299102U (en) | Electrode device for measuring corrosion rate of soil | |
| CN202256792U (en) | Double-tube optical cable for underground high temperature test | |
| CN201068793Y (en) | Large wellbore magnetic positioning logging tool | |
| CN205370563U (en) | Radial seal structure's side direction electrode | |
| CN202814471U (en) | Thermal flow sensor | |
| CN203515560U (en) | Borehole stress monitoring device | |
| CN204457739U (en) | A kind of injection well pipe column forces testing device | |
| CN205301090U (en) | Sand control screen pipe hydraulical pressure test apparatus | |
| CN105370220B (en) | Underground measuring multiple parameters pipe nipple | |
| CN203867567U (en) | Efficient carbon/oxygen-ratio energy-spectrum logging instrument | |
| CN209945889U (en) | Reliability testing device for rubber cylinder under corrosion and stress action | |
| CN210243071U (en) | Vacuum degree measuring device of vacuum pipeline | |
| CN203420704U (en) | Sucker-rod string side force testing device | |
| CN203672527U (en) | Sealing ring torque measuring tool | |
| CN201972686U (en) | Novel soundproofing device for sound wave logging instrument | |
| CN104748667A (en) | High voltage-resisting differential transformer-type angle sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Rayleigh Survey Equipment Technology Co. Ltd. Assignor: Hangzhou Ruili Acoustoelectric Technology Co., Ltd. Contract record no.: 2012330000433 Denomination of utility model: Pressure-bearing type resistivity sensor Granted publication date: 20110831 License type: Exclusive License Record date: 20120717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20151222 |
|
| EXPY | Termination of patent right or utility model |