CN207554035U - A kind of containment member of microelectrode - Google Patents
A kind of containment member of microelectrode Download PDFInfo
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- CN207554035U CN207554035U CN201721292539.4U CN201721292539U CN207554035U CN 207554035 U CN207554035 U CN 207554035U CN 201721292539 U CN201721292539 U CN 201721292539U CN 207554035 U CN207554035 U CN 207554035U
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- hole
- sealing ring
- insulation sleeve
- containment member
- electrode
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Abstract
The utility model discloses a kind of containment members of microelectrode, the containment member of the microelectrode includes matrix, insulation sleeve, electrode and sealing ring, first through hole is offered in described matrix, and along the first double step of the inwall processing of matrix hole in first through hole, the insulation sleeve and sealing ring are separately mounted in the first double step hole, and the second through-hole is offered on insulation sleeve, and having the second double step hole along the inwall processing of insulation sleeve in the second through-hole, the electrode and sealing ring are separately mounted in the second double step hole.The containment member of the microelectrode of the utility model can effectively prevent the leakage of water flooding under high pressure-temperature, convenient for be applied to petroleum geology measuring apparatus high-temperature, high pressure operating mode under resistivity measurement.
Description
Technical field
The utility model is related to the technical fields of microelectrode sealing, and in particular to a kind of containment member of microelectrode.
Background technology
Oil is otherwise known as " industrial blood ", is geological prospecting as the important motivity of development of civilization in the last hundred years
One of main object, and in the geological prospecting to oil, it generally requires through some petroleum geology measuring apparatus to differently
Whether contain in matter has oil to measure, and with the increase of oil-gas exploration and development difficulty and the development of logging technique, well logging
Technology has been more and more widely used in terms of formation evaluation, geology, drilling well and petroleum production engineering.
Current logging method mainly using nutural potential logging, microelectrode system and gamma ray log etc., utilizes
Logging equipment gos deep into geology measuring.
But current microelectrode resistivity logging equipment is small due to electrode spacing size, it is not easy to processing installation sealing
The seal approach such as circle, when logging equipment in going deep into geology when measuring, due to geology depths high pressure and there may be
Water flooding, under the action of high pressure, water flooding is easy to leak into equipment.
Utility model content
The purpose of this utility model is to provide a kind of containment members of microelectrode, are surveyed to solve existing microelectrode
The problem of easily being leaked during amount.
To achieve the above object, the technical solution of the utility model is to provide a kind of containment member of microelectrode, described
Containment member includes matrix, insulation sleeve, electrode and sealing ring, and the sealing ring includes the first sealing ring and the second sealing ring,
First through hole is offered in described matrix, and has the first double step hole along the inwall processing of matrix in first through hole, it is described
Insulation sleeve is mounted in first through hole, and first sealing ring is mounted in the first double step hole, and the first sealing ring is sleeved on absolutely
Edge is put on, and the second through-hole is offered on insulation sleeve, and have the second dual stage along the inwall processing of insulation sleeve in the second through-hole
Rank hole, the electrode are mounted in the second through-hole, and second sealing ring is mounted in the second double step hole, and the second sealing ring
Set is on the electrode.
As a kind of optimal technical scheme, the first double step hole includes the first step hole being connected with each other and second
Rank hole, and the diameter in second step hole is more than the diameter in first step hole, first sealing ring is fixed in first step hole,
The insulation sleeve is fixed in second step hole.
As a kind of optimal technical scheme, the second double step hole includes the third stepped hole being connected with each other and the 4th
Rank hole, and the diameter of the 4th stepped hole is more than the diameter of third stepped hole, second sealing ring is fixed in third stepped hole,
The electrode is fixed in the 4th stepped hole.
As a kind of optimal technical scheme, multiple first through hole are opened up in described matrix, and be respectively mounted in first through hole by
The containment member and composition array that electrode and insulation sleeve are formed.
As a kind of optimal technical scheme, the insulation sleeve is made of polyether-ether-ketone composite plastic.
As a kind of optimal technical scheme, the insulation sleeve is injection-compression molding.
As a kind of optimal technical scheme, the sealing ring is O-ring.
As a kind of optimal technical scheme, the inner wall of the first through hole, insulation sleeve, the second through-hole inner wall and electrode
It is processed into the taper to cooperate.
The utility model also provides a kind of installation method of containment member, and the installation method includes：By the first sealing ring
It is placed in first step hole, insulation sleeve is put into along first through hole in matrix, and insulation sleeve is fixed on second step hole, is made
The outer wall of insulation sleeve is tightly attached on matrix on the inner wall of first through hole, and first group is formed by the first sealing ring, matrix and insulation sleeve
Sealing and anti-leakage structure；Second sealing ring is placed in third stepped hole, electrode is put into along the second through-hole in insulation sleeve, and electricity
Pole is fixed on the 4th stepped hole, the outer wall of electrode is made to be tightly attached on insulation sleeve on the inner wall of the second through-hole, by the second sealing ring
Second group of sealing and anti-leakage structure is formed with insulation sleeve and electrode.
The utility model method has the following advantages that：
By by the first sealing ring be mounted on first step hole in, insulation sleeve be mounted on second step hole in, make matrix and
A complete O-ring seal installing groove is formed between insulation sleeve, the second sealing ring is mounted in third stepped hole, electrode
In the 4th stepped hole, make also to form a complete O-ring seal installing groove between insulation sleeve and electrode, at two
Sealing and anti-leakage structure is formed by sealing ring at groove, while sealing ring is facilitated to install, utilizes the structure energy of dual-seal
Enough ensure that water flooding of the geological survey equipment when measuring in geology is not easy to leak into electrode.
Description of the drawings
Fig. 1 is the overall schematic of the containment member of the utility model；
Fig. 2 is the assembling schematic diagram of containment member；
Fig. 3 is the cooperation schematic diagram of electrode and insulation sleeve.
In figure, 1, matrix；11st, first through hole；2nd, insulation sleeve；21st, the second through-hole；3rd, electrode；4th, sealing ring；41st, first
Sealing ring；42nd, the second sealing ring；5th, the first double step hole；51st, first step hole；52nd, second step hole；6th, the second double step
Hole；61st, third stepped hole；62nd, the 4th stepped hole.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As depicted in figs. 1 and 2, the utility model provides a kind of containment member of microelectrode, including matrix 1, insulation
Set 2, electrode 3 and sealing ring 4.Multiple first through hole 11 are offered on matrix 1, and first through hole 11 is along the length of matrix 1
Direction is spent through matrix 1, has the first double step hole 5 along the inwall processing of matrix 1 in first through hole 11, insulation sleeve 2 is installed
In first through hole 11, sealing ring 4 is in O-shaped (with reference to figure 3), including the first sealing ring 41 and the second sealing ring 42, the first sealing
Circle 41 is mounted in the first double step hole 5, and the first sealing ring 41 is sleeved on insulation sleeve 2.
The second through-hole 21 is offered on insulation sleeve 2, and is machined on the inner wall in the second through-hole 21 along insulation sleeve 2
Second double step hole 6, electrode 3 are mounted in the second through-hole 21, and the second sealing ring 42 is mounted in the second double step hole 6, and the
Two sealing rings 42 are sleeved on electrode 3, are made between matrix 1 and insulation sleeve 2 between insulation sleeve 2 and electrode 3 by installing sealing ring 4
Sealing and anti-leakage structure can be formed, and the inner wall of first through hole 11, insulation sleeve 2, the inner wall of the second through-hole 21 and electrode 3 are pressed
1：20 ratio is processed as close-fitting taper.
During measurement, the containment member being made of electrode 3 and insulation sleeve 2 is respectively mounted in first through hole 11, and form array,
And the mutual spacing of electrode 3 is ensured in 5.08mm, using compact structure between component, electrode 3 is made to be carried out in geology depths
During measurement, the water flooding of geology depths is not easy to leak into electrode 3 under high pressure.
First double step hole 5 includes the first step hole 51 being connected with each other and second step hole 52, and second step hole 52
Diameter be more than the diameter in first step hole 51, the first sealing ring 41 is mounted on first step hole 51, and insulation sleeve 2 is fixed
On second step hole 52.Second double step hole 6 includes 61 and the 4th stepped hole 62 of third stepped hole being connected with each other, and the 4th
The diameter of stepped hole 62 is more than third stepped hole 61, and the second sealing ring 42 is mounted on third stepped hole 61, and electrode 3 is fixed
On the 4th stepped hole 62.Due to geology depths, there are high pressures, and in order to make electrode, when going deep into geological survey, containment member is not allowed
Fragile, insulation sleeve 2 is polyether-ether-ketone composite plastic injection-compression molding, and containment member is made to have the characteristics that high temperature resistant, high intensity, and
It can ensure that the electrical isolation between matrix 1 and electrode 2 is more than 500 megaohms.
Since the spacing dimension between electrode 3 is smaller, the national standard of metric system and the sealing ring 4 of American Standard are not easily installed at
On containment member, for the ease of the installation of sealing ring 4, sealing ring 4 is processed into small bore and off-standard size.
The installation method of containment member disclosed in the utility model includes the following steps：
First the first sealing ring 41 is placed in first step hole 51, then insulation sleeve 2 is put into matrix 1 along first through hole 11
It is interior, and fix insulation sleeve 2 on second step hole 52, the outer wall of insulation sleeve 2 is made to be tightly attached to first through hole 11 on matrix 1
On inner wall, first group of sealing and anti-leakage structure is formed by the first sealing ring 41, matrix 1 and insulation sleeve 2；
Then the second sealing ring 42 is placed in third stepped hole 61, then electrode 3 is put into insulation along the second through-hole 21
In set 2, and electrode 3 is fixed on the 4th stepped hole 62, the outer wall of electrode 3 is made to be tightly attached to the second through-hole 21 on insulation sleeve 2
Inner wall on, second group of sealing and anti-leakage structure is formed by the second sealing ring 42, insulation sleeve 2 and electrode 3.
The containment member and its installation method of the microelectrode of the utility model, the characteristics of using 2 processing technology of insulation sleeve,
Leakage-proof structure is formed at the outer wall and inner wall of insulation sleeve 2 respectively by two sealing rings 4, it is ensured that petroleum geology measuring apparatus exists
High-temperature, high pressure operating mode under, containment member is less likely to be damaged, and then ensures that the water flooding of geology depths is not allowed under high pressure
Easy to leak enters in electrode 3.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the spirit of the present invention, belonging to the utility model will
Seek the range of protection.
Claims (8)
1. a kind of containment member of microelectrode, it is characterised in that：The containment member includes matrix (1), insulation sleeve (2), electricity
Pole (3) and sealing ring (4), the sealing ring (4) include the first sealing ring (41) and the second sealing ring (42), described matrix
(1) first through hole (11) is offered on, and has the first double step hole along the inwall processing of matrix (1) in first through hole (11)
(5), the insulation sleeve (2) is in first through hole (11), and first sealing ring (41) is mounted on the first double step hole (5)
It is interior, and the first sealing ring (41) is sleeved on insulation sleeve (2),
The second through-hole (21) is offered on insulation sleeve (2), and along the inwall processing of insulation sleeve (2) in the second through-hole (21)
There is the second double step hole (6), the electrode (3) is in the second through-hole (21), and second sealing ring (42) is mounted on the
In two double step holes (6), and the second sealing ring (42) is sleeved on electrode (3).
2. a kind of containment member of microelectrode according to claim 1, it is characterised in that：The first double step hole
(5) the first step hole (51) including interconnection and second step hole (52), and the diameter of second step hole (52) is more than the
The diameter of one stepped hole (51), first sealing ring (41) are fixed in first step hole (51), and the insulation sleeve (2) is fixed
In second step hole (52).
3. a kind of containment member of microelectrode according to claim 1, it is characterised in that：The second double step hole
(6) third stepped hole (61) and the 4th stepped hole (62) including interconnection, and the diameter of the 4th stepped hole (62) is more than the
The diameter of three stepped holes (61), second sealing ring (42) are fixed in third stepped hole (61), and the electrode (3) is fixed on
In 4th stepped hole (62).
4. a kind of containment member of microelectrode according to claim 1, it is characterised in that：Described matrix opens up on (1)
Multiple first through hole (11), and the containment member being made of electrode (3) and insulation sleeve (2) and group are respectively mounted in first through hole (11)
Into array.
5. a kind of containment member of microelectrode according to claim 1, it is characterised in that：The insulation sleeve (2) is poly-
Ether ether ketone composite plastic is made.
6. a kind of containment member of microelectrode according to claim 5, it is characterised in that：The insulation sleeve (2) is pressure
Injection forming.
7. a kind of containment member of microelectrode according to claim 1, it is characterised in that：The sealing ring (4) is O-shaped
Circle.
8. a kind of containment member of microelectrode according to claim 1, it is characterised in that：The first through hole (11)
Inner wall, insulation sleeve (2), the inner wall of the second through-hole (21) and electrode (3) are processed into the taper to cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292539.4U CN207554035U (en) | 2017-10-09 | 2017-10-09 | A kind of containment member of microelectrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292539.4U CN207554035U (en) | 2017-10-09 | 2017-10-09 | A kind of containment member of microelectrode |
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| Publication Number | Publication Date |
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| CN207554035U true CN207554035U (en) | 2018-06-29 |
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| CN201721292539.4U Active CN207554035U (en) | 2017-10-09 | 2017-10-09 | A kind of containment member of microelectrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489416A (en) * | 2017-10-09 | 2017-12-19 | 吴尽生 | The containment member and its installation method of a kind of microelectrode |
-
2017
- 2017-10-09 CN CN201721292539.4U patent/CN207554035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489416A (en) * | 2017-10-09 | 2017-12-19 | 吴尽生 | The containment member and its installation method of a kind of microelectrode |
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