CN2898301Y - Microspherical polar plate combined with compensated-density slide board - Google Patents
Microspherical polar plate combined with compensated-density slide board Download PDFInfo
- Publication number
- CN2898301Y CN2898301Y CN 200620112839 CN200620112839U CN2898301Y CN 2898301 Y CN2898301 Y CN 2898301Y CN 200620112839 CN200620112839 CN 200620112839 CN 200620112839 U CN200620112839 U CN 200620112839U CN 2898301 Y CN2898301 Y CN 2898301Y
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- China
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- electrode
- plate
- polar plate
- density
- pole plate
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- 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 - Lifetime
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Abstract
The utility model relates to a micro-ball polar plate combined with a density compensating return board, belonging to well measuring technical field in oil exploration and development, comprising a main electrode (1), a measuring electrode (2), a shielding electrode (3), a monitoring electrode (4), a monitoring electrode (5), a plurality of loop electrodes (6), a fixed bottom plate (7), a plurality of seal contact pins (8) and a rubber blanket (9); wherein, the loop electrodes (6) are arranged at the both sides of the rubber blanket (9); the seal contact pins (8) are arranged at one end of the fixed bottom plate (7); the micro-ball polar plate can be combined with the density compensating detecting head to form a detector; all electrodes are packed inside of the insulated and sealed fluorine rubber blanket 9 on the polar plate; the lead of the electrode is a six-core pressure-proof socket, on which no single wire extends out, so the insulation problem at the lead position is avoided; the six leads enter into the density compensating detecting head through the six-core pressure-proof socket, which is sealed through an O-shape sealing ring, so the sealing reliability is increased since only one position is required for sealing.
Description
Technical field
The utility model relates to the logging technique field in the petroleum industry exploration and development.The microballoon pole plate a kind of and the compensation density slide plate makes up, it is a kind of downhole tool of oil electrical measurement, microsphere logging instrument underground survey signal extracting device: microballoon pole plate, particularly a kind of microsphere logging instrument measuring-signal extraction element: microballoon pole plate.This device can be 155 ℃ of temperature, are connected with the microsphere logging instrument electronic circuit under the pressure 100MPa condition to record formation resistivity.
Background technology
The microballoon pole plate is the important component part of microsphere logging instrument.Microsphere logging instrument is by backup arm the microballoon pole plate to be pushed against on the open hole well inwall in open hole well, connects each electrode by the microsphere logging instrument electronic circuit, and supplying measure is tried to achieve the resistivity value on stratum.Microballoon pole plate in the past is that each electrode is drawn a lead separately, the composite sphere pole plate contact conductor of design is to concentrate by the seal head on base plate to draw now, design has six sealing contact pins on seal head, by ' O ' shape sealing ring sealing, compare with electrode plate structure in the past and to have improved sealing reliability on the seal head.Using this microballoon pole plate can combine compensation density logger probe and microsphere logging instrument pole plate, a shared pushing device, and the probe designs of two kinds of loggers is integral, i.e. the combined probe of compensation density and microballoon.
Obtain relevant therewith information by the inquiry of Chinese patent net and have three: the CN200510044152.2 microsphere logging instrument by digital focus; The integrated well logging telescoping ram of CN01209336.X microballoon density; CN03275613.5 high temperature high voltage resistant microballoon and density combinations probe.Their technology contents does not all relate to the microballoon pole plate.
Summary of the invention
The purpose of this utility model is: microballoon the pole plate a kind of and combination of compensation density slide plate is provided, it can be combined into one with the compensation density logger probe, can obtain density of earth formations and two kinds of information of formation resistivity behind the backup borehole wall simultaneously, it is used for the combined density microsphere logging instrument.Satisfy 155 ℃ of high temperature high pressure 100MPa condition.
The utility model is achieved in that and comprises main electrode 1, measurement electrode 2, bucking electrode 3, monitor electrode 4, monitor electrode 5, loop electrode 6, fixed base plate 7, sealing contact pin 8, rubber tile 9, the inside of rubber tile 9 is divided from inside to outside from the middle part and is furnished with main electrode 1, measurement electrode 2, bucking electrode 3, monitor electrode 4, monitor electrode 5, both sides at rubber tile 9 are equipped with loop electrode 6 respectively, at an end of fixed base plate 7, sealing contact pin 8 is housed.
Number 〉=1 of sealing contact pin 8.
The bottom of fixed base plate 7 is provided with seal head.
The number of loop electrode 6 〉=2.
Advantage of the present utility model is:
1. the microballoon pole plate can be combined into a probe with the compensation density probe.
2. each electrode is wrapped in pole plate main body insulated enclosure fluorubber plate 9 material internals with the high temperature resistant wire that the sealing contact pin links to each other, and contact conductor is one the six withstand voltage socket of core, does not have solid wire to draw, and can Insulation Problems not occur at the lead-in wire place.
3. what microballoon pole plate six wire entered the employing of compensation density probe is the withstand voltage sockets of six cores, and the sealing of socket is to adopt the sealing of ' O ' shape sealing ring, has only a seal point, has improved sealing reliability.
Description of drawings:
Accompanying drawing 1 is a plan structure schematic diagram of the present utility model;
Accompanying drawing 2 is a main TV structure schematic diagram of the present utility model.
The specific embodiment
As shown in Figure 1, by main electrode 1, measurement electrode 2, bucking electrode 3, monitor electrode 4, monitor electrode 5, loop electrode 6, fixed base plate 7, sealing contact pin 8, rubber tile 9, the inside of rubber tile 9 is divided from inside to outside from the middle part and is furnished with main electrode 1, measurement electrode 2, bucking electrode 3, monitor electrode 4, monitor electrode 5, both sides at rubber tile 9 are equipped with loop electrode 6 respectively
As shown in Figure 2, at an end of fixed base plate 7, sealing contact pin 8 is housed.
On the fixed base plate 7, the long and short spacing of the slide plate place that is positioned at compensation density logger has the window by gamma ray, end at fixed base plate 7, design has six sealing contact pins 8, there is a seal head bottom of fixed base plate 7, can directly be installed on the compensation density logger slide plate, the main electrode 1 of microballoon pole plate, measurement electrode 2, bucking electrode 3, monitor electrode 4, monitor electrode 5,6 six electrodes of loop electrode are introduced in the compensation density logger rubber tile 9.
Main electrode 1, measurement electrode 2, bucking electrode 3, monitor electrode 4, monitor electrode 5, two loop electrodes 6 are wanted mutually insulated between the fixed base plate 7, and insulaion resistance normal temperature is not less than 500M Ω, at 155 ℃, is not less than 20M Ω under the 100MPa condition.
The size of main electrode 1, measurement electrode 2, bucking electrode 3, monitor electrode 4, monitor electrode 5, two loop electrodes 6 and the position of each electrode are to be determined by the measuring principle of microsphere logging instrument.The lead-in wire mode of microballoon pole plate and seal form are to be determined by the structure of coupling probe and instructions for use.The resistant to elevated temperatures wrapped in wire that each electrode links to each other with sealing contact pin 8 separates with the external world in pole plate main body insulated enclosure fluorubber plate 9 inside, and the insulation of lead-in wire is guaranteed.One end of fixed base plate 7, design have six sealing contact pins 8, are in order to improve the leakproof reliability of coupling probe, under the situation that the microballoon pole plate is destroyed, also are unlikely to the inner valuable device of density probe and suffer that into water destroys.There is a seal head bottom of fixed base plate 7, adopts the liquid of ' O ' shape sealing ring sealing envelope outside, has improved microballoon electrode plate insulation reliability.It is a new and innovative, progressive, practical new design.
The utility model can be combined into one with the compensation density logger probe, can obtain density of earth formations and two kinds of information of formation resistivity behind the backup borehole wall simultaneously, and it is used for the combined density microsphere logging instrument.Satisfy 155 ℃ of high temperature, use under the high pressure 100MPa condition.
Electrode on the composite sphere pole plate is not that solid wire is drawn, but draw the six electrodes line by a sealing plug, there is a seal head bottom of fixed base plate 7, adopts the liquid of ' O ' shape sealing ring sealing outside, improved microballoon electrode plate insulation reliability, it is convenient, fast to change the microballoon pole plate.
Claims (4)
1, the microballoon pole plate a kind of and the compensation density slide plate makes up, comprise main electrode (1), measurement electrode (2), bucking electrode (3), monitor electrode (4), monitor electrode (5), loop electrode (6), fixed base plate (7), sealing contact pin (8), rubber tile (9), the inside of rubber tile (9) is divided from inside to outside from the middle part and is furnished with main electrode (1), measurement electrode (2), bucking electrode (3), monitor electrode (4), monitor electrode (5), it is characterized in that: be equipped with loop electrode (6) respectively in the both sides of rubber tile (9), sealing contact pin (8) be housed at an end of fixed base plate (7).
2, the microballoon pole plate of a kind of and compensation density slide plate combination according to claim 1 is characterized in that: number 〉=1 of sealing contact pin (8).
3, the microballoon pole plate of a kind of and compensation density slide plate combination according to claim 1, it is characterized in that: the end of fixed base plate (7) is provided with seal head.
4, the microballoon pole plate of a kind of and compensation density slide plate combination according to claim 1 is characterized in that: number 〉=2 of loop electrode (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620112839 CN2898301Y (en) | 2006-04-26 | 2006-04-26 | Microspherical polar plate combined with compensated-density slide board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620112839 CN2898301Y (en) | 2006-04-26 | 2006-04-26 | Microspherical polar plate combined with compensated-density slide board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2898301Y true CN2898301Y (en) | 2007-05-09 |
Family
ID=38073637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620112839 Expired - Lifetime CN2898301Y (en) | 2006-04-26 | 2006-04-26 | Microspherical polar plate combined with compensated-density slide board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2898301Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321631A (en) * | 2013-07-19 | 2013-09-25 | 陈耕 | Microspheric focusing polar plate and manufacturing method thereof |
| CN103726830A (en) * | 2012-10-10 | 2014-04-16 | 中国石油集团长城钻探工程有限公司 | Pole plate assembly for logging instrument |
-
2006
- 2006-04-26 CN CN 200620112839 patent/CN2898301Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726830A (en) * | 2012-10-10 | 2014-04-16 | 中国石油集团长城钻探工程有限公司 | Pole plate assembly for logging instrument |
| CN103321631A (en) * | 2013-07-19 | 2013-09-25 | 陈耕 | Microspheric focusing polar plate and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model |