CN207598233U - Logging instrument - Google Patents
Logging instrument Download PDFInfo
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- CN207598233U CN207598233U CN201721812711.4U CN201721812711U CN207598233U CN 207598233 U CN207598233 U CN 207598233U CN 201721812711 U CN201721812711 U CN 201721812711U CN 207598233 U CN207598233 U CN 207598233U
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- logging instrument
- insulating sleeve
- electrode
- instrument according
- cable
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Abstract
The utility model provides a kind of logging instrument, including mandrel；Insulating sleeve, insulating sleeve are set in the peripheral side of mandrel, are dielectrically separated to put on and offer multiple installation annular grooves；Multiple electrodes ring, multiple electrodes ring is arranged on correspondingly in multiple installation annular grooves, to ensure mutually insulated between two neighboring electrode retaining collar.The utility model solves the problems, such as the poor insulativity of the electrode retaining collar of logging instrument of the prior art and influences the job stability of logging instrument.
Description
Technical field
The utility model is related to oil reservoir logging technical field, in particular to a kind of logging instrument.
Background technology
Logging instrument can be to be divided in oil field development as a kind of logging tool being commonly used in oil field development field
Oil-gas Layer calculates the important data of oil and gas reserves offer.
Logging instrument belongs to a kind of oil field open hole well formation resistivity measuring instrument, is by the master in resistivity logging method
One of equipment is wanted, it can be simultaneously to the electricity of both different investigation depths of stratum invaded zone resistivity and virgin zone resistivity
Resistance rate measures, so as to which according to its measurement data, researcher can analyze the change in resistance of place ground interlayer.
Existing logging instrument winds insulating glass steel usually on mandrel, and by multiple dead rings and multiple electrodes ring ring ring
It is set in interlocking on the mandrel for being wound with insulating glass steel, the structural detail of the logging instrument of such structure is more, assembling process
It is not only complicated, but also need to overcome the resistance of multiple-sealed circle in assembling process, the sealing performance between each element is difficult to obtain
Ensure, and the material compactness of fiberglass can also impact the insulation performance of electrode retaining collar, so as to reduce the work of logging instrument
Make stability.
Utility model content
The main purpose of the utility model is that a kind of logging instrument is provided, to solve the electrode of logging instrument of the prior art
The poor insulativity of ring and the problem of influence the job stability of logging instrument.
To achieve these goals, the utility model provides a kind of logging instrument, including：Mandrel；Insulating sleeve, insulation
Separation sleeve is set in the peripheral side of mandrel, is dielectrically separated to put on and offers multiple installation annular grooves；Multiple electrodes ring, multiple electrodes ring
It is arranged on correspondingly in multiple installation annular grooves, to ensure mutually insulated between two neighboring electrode retaining collar.
Further, be dielectrically separated to put on and be further opened with multiple cable holes, multiple cable holes correspondingly with multiple peaces
Dress annular groove is connected, and logging instrument further includes patch cord row and electrode cable, wherein, electrode cable is more, more electrode cables
It is arranged on correspondingly in multiple cable holes, and the first end of electrode cable is connect with electrode retaining collar, the second end of electrode cable
It arranges and connects with patch cord.
Further, circumferentially extending of the installation annular groove along insulating sleeve, cable hole are axially extending along insulating sleeve.
Further, multiple cable holes being provided at circumferentially spaced around insulating sleeve.
Further, epoxy resin is filled in cable hole.
Further, insulating sleeve includes multiple insulating sublayer separation sleeves, and multiple insulating sublayer separation sleeves are spliced to form successively
Insulating sleeve.
Further, logging instrument further includes two End assemblies, mandrel and is dielectrically separated from and is set on two End assemblies
Between, patch cord is ranked at End assemblies.
Further, electrode retaining collar includes the first half-ring electrodes and the second half-ring electrodes, the first half-ring electrodes and the second semi-ring
Electrode mutually splices, and the first half-ring electrodes and the second half-ring electrodes are fastenedly connected by fastener.
Further, it is welded at the connection gap of the first half-ring electrodes and the second half-ring electrodes using cold welding technique.
Further, insulating sleeve is made of polyether-ether-ketone.
Using the technical solution of the utility model, by the way that insulating sleeve to be set in the peripheral side of mandrel, and insulating
The installation annular groove for installing electrode retaining collar is opened up on separation sleeve, in this way, avoid the surface wrap fiberglass in mandrel, insulate every
Electrode retaining collar is spaced apart with mandrel from set, so as to reliably ensure that the insulating properties between electrode retaining collar and mandrel, and by electrode retaining collar
It is directly installed in installation annular groove, under the premise of the mounting stability of electrode retaining collar is improved, is also effectively guaranteed adjacent two
Insulating properties between a electrode retaining collar.
In addition, the logging instrument of the application avoids the multiple dead rings being spaced between two neighboring electrode retaining collar of setting, from
And greatly reduce the number of elements of logging instrument, simplify the assembling process of logging instrument, and ensure multiple electrodes ring, absolutely
Leakproofness between edge separation sleeve and mandrel ensure that logging instrument can steadily, reliably work to the maximum extent.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.
In the accompanying drawings：
Fig. 1 show a kind of alternative embodiment according to the present utility model with mandrel, insulating sleeve and multiple electricity
The main view schematic cross-sectional view of a part of logging instrument of polar ring；
Fig. 2 shows the schematic side views at the A-A of Fig. 1.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, mandrel；20th, insulating sleeve；The 21st, annular groove is installed；22nd, cable hole；30th, electrode retaining collar；31st, the first semi-ring electricity
Pole；32nd, the second half-ring electrodes；40th, electrode cable；50th, fastener.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality
Novel and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, shall fall within the protection scope of the present invention.
The job stability of logging instrument is influenced to solve the poor insulativity of the electrode retaining collar of logging instrument of the prior art
The problem of, the utility model provides a kind of logging instrument.
As depicted in figs. 1 and 2, logging instrument includes mandrel 10, insulating sleeve 20 and multiple electrodes ring 30, insulating sleeve
20 are set in the peripheral side of mandrel 10, and multiple installation annular grooves 21 are offered on insulating sleeve 20, and multiple electrodes ring 30 1 is a pair of
It is arranged on answering in multiple installation annular grooves 21, to ensure mutually insulated between two neighboring electrode retaining collar 30.
By the way that insulating sleeve 20 to be set in the peripheral side of mandrel 10, and open up to install on insulating sleeve 20
The installation annular groove 21 of electrode retaining collar 30, in this way, avoid the surface wrap fiberglass in mandrel 10, insulating sleeve 20 is by electrode retaining collar
30 are spaced apart with mandrel 10, so as to reliably ensure that the insulating properties between electrode retaining collar 30 and mandrel 10, and electrode retaining collar 30 is straight
It connects in installation annular groove 21, under the premise of the mounting stability for improving electrode retaining collar 30, is also effectively guaranteed adjacent
Insulating properties between two electrode retaining collars 30.
In addition, the logging instrument of the application avoids the multiple dead rings being spaced between two neighboring electrode retaining collar 30 of setting,
So as to greatly reduce the number of elements of logging instrument, the assembling process of logging instrument is simplified, and ensures multiple electrodes ring
30th, the leakproofness between insulating sleeve 20 and mandrel 10, ensure that the maximum extent logging instrument can steadily, reliably work
Make.
As depicted in figs. 1 and 2, multiple cable holes 22 are further opened on insulating sleeve 20, multiple cable holes 22 1 are a pair of
Ground is answered to be connected with multiple installation annular grooves 21, logging instrument further includes patch cord row and electrode cable 40, wherein, electrode cable 40 is
More, more electrode cables 40 are arranged on correspondingly in multiple cable holes 22, and the first end and electrode of electrode cable 40
Ring 30 connects, and second end and the patch cord row of electrode cable 40 connect.In this way, electrode cable 40 is located in cable hole 22, so as to
Insulating sleeve 20 is made to play the protective effect to electrode cable 40, it is ensured that stablize electricity between electrode retaining collar 30 and patch cord row
Property connection.
As shown in Figure 1, for the ease of being processed manufacture to insulating sleeve 20, being manufactured into for insulating sleeve 20 is reduced
This, so as to improve the economy of logging instrument, circumferentially extending of the installation annular groove 21 along insulating sleeve 20, cable hole 22 along insulation every
It is axially extending from set 20.
As shown in Fig. 2, in order to avoid more electrode cables 40 between multiple cable holes 22 interfere with each other, multiple cable holes
22 being provided at circumferentially spaced around insulating sleeve 20.
Optionally, in order to further ensure the mounting stability of electrode cable 40 and the insulation performance of electrode cable 40,
Epoxy resin is filled in cable hole 22.
Optionally, insulating sleeve 20 includes multiple insulating sublayer separation sleeves, and multiple insulating sublayer separation sleeves are spliced to form successively
Insulating sleeve 20.In this way, it is long and be difficult to manufacture and transport to avoid insulating sleeve 20, multiple insulating sublayer separation sleeves are used
Insulating sleeve 20 is spliced to form, and stopper structure is provided at the aperture of the cable hole 22 of each insulating sublayer separation sleeve.
Optionally, the electrode cable 40 in the cable hole 22 of two neighboring insulating sublayer separation sleeve can be connected by conductive pin
It connects.
In one alternative embodiment (not shown) of the application, logging instrument further includes two End assemblies, mandrel 10 and absolutely
Edge separation sleeve 20 is arranged between two End assemblies, and patch cord is ranked at End assemblies.
As shown in Fig. 2, electrode retaining collar 30 includes the first half-ring electrodes 31 and the second half-ring electrodes 32,31 He of the first half-ring electrodes
Second half-ring electrodes, 32 phase is spliced, and the first half-ring electrodes 31 and the second half-ring electrodes 32 are fastenedly connected by fastener 50.
In this way, the electrode retaining collar 30 in installation annular groove 21 hold insulating sleeve 20 tightly and relative to can not be rotated with insulating sleeve 20,
Dismounting to electrode retaining collar 30 is convenient for by the form of the first half-ring electrodes 31 and the second half-ring electrodes 32 splicing composition electrode retaining collar 30,
So as to which maintenance personal pointedly can carry out detachable maintaining to the electrode retaining collar of damage 30, the difficulty of logging instrument field maintenance is reduced
Degree improves the property easy to use of logging instrument.
Optionally, in order to be steadily electrically connected between the first half-ring electrodes 31 and the second half-ring electrodes 32, the first semi-ring
It is welded at the connection gap of 31 and second half-ring electrodes 32 of electrode using cold welding technique.
Optionally, insulating sleeve 20 is made of polyether-ether-ketone.Since insulating sleeve 20 is made of polyether-ether-ketone material,
Polyether-ether-ketone abbreviation PEEK, with excellent fibre structure intensity, very strong corrosion resistant performance and good insulation performance,
During the use of logging instrument, the compressive resistance of logging instrument and torsion performance are effectively improved, makes dual laterolog equipment very high
Load working condition under the work that can stablize, and efficiently avoid insulating properties of the acid slurry liquid to insulating sleeve 20
Can reduction and by acid mud corrosion, so as to ensure that the insulation effect of insulating sleeve 20 and electrode retaining collar 30 and insulation
Sealing performance between separation sleeve 20 extends the service life of logging instrument, improves the use reliability of logging instrument.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Unless specifically stated otherwise, the component and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to be drawn according to practical proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar
Label and letter similar terms are represented in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need to that it is further discussed.
In the description of the present invention, it is to be appreciated that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or position relationship be normally based on orientation or position shown in the drawings
Relationship is put, be for only for ease of description the utility model and simplifies description, in the case where not making to illustrate on the contrary, these nouns of locality
It does not indicate that and implies signified device or element must have specific orientation or with specific azimuth configuration and operation, because
This is it is not intended that limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component in itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made in opposite description to space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be convenient for using the words such as " first ", " second "
Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word is there is no particular meaning, therefore it is not intended that this
The limitation of utility model protection range.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of logging instrument, which is characterized in that including：
Mandrel (10)；
Insulating sleeve (20), the insulating sleeve (20) is set in the peripheral side of the mandrel (10), described to be dielectrically separated from
Multiple installation annular grooves (21) are offered on set (20)；
Multiple electrodes ring (30), the multiple electrode retaining collar (30) are arranged on correspondingly in the multiple installation annular groove (21),
To ensure mutually insulated between the two neighboring electrode retaining collar (30).
2. logging instrument according to claim 1, which is characterized in that be further opened on the insulating sleeve (20) it is multiple walk
String holes (22), the multiple cable hole (22) are connected correspondingly with the multiple installation annular groove (21), the logging instrument
Patch cord row and electrode cable (40) are further included, wherein, the electrode cable (40) is more, the more electrode cables (40)
It is arranged on correspondingly in the multiple cable hole (22), and the first end of the electrode cable (40) and the electrode retaining collar
(30) it connects, second end and the patch cord row of the electrode cable (40) connect.
3. logging instrument according to claim 2, which is characterized in that the annular groove (21) of installing is along the insulating sleeve
(20) circumferentially extending, the cable hole (22) are axially extending along the insulating sleeve (20).
4. logging instrument according to claim 3, which is characterized in that multiple cable holes (22) are around the insulating sleeve
(20) be provided at circumferentially spaced.
5. logging instrument according to claim 2, which is characterized in that epoxy resin is filled in the cable hole (22).
6. logging instrument according to claim 1, which is characterized in that the insulating sleeve (20) including multiple insulating sublayers every
From set, multiple insulating sublayer separation sleeves are spliced to form the insulating sleeve (20) successively.
7. logging instrument according to claim 2, which is characterized in that the logging instrument further includes two End assemblies, described
Mandrel (10) and the insulating sleeve (20) are arranged between two End assemblies, and the patch cord ranking is in the end
At parts.
8. logging instrument according to claim 1, which is characterized in that the electrode retaining collar (30) includes the first half-ring electrodes (31)
With the second half-ring electrodes (32), first half-ring electrodes (31) are mutually spliced with second half-ring electrodes (32), and described
One half-ring electrodes (31) and second half-ring electrodes (32) are fastenedly connected by fastener (50).
9. logging instrument according to claim 8, which is characterized in that first half-ring electrodes (31) and second semi-ring
It is welded at the connection gap of electrode (32) using cold welding technique.
10. logging instrument according to any one of claim 1 to 9, which is characterized in that the insulating sleeve (20) is by gathering
Ether ether ketone is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812711.4U CN207598233U (en) | 2017-12-21 | 2017-12-21 | Logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812711.4U CN207598233U (en) | 2017-12-21 | 2017-12-21 | Logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598233U true CN207598233U (en) | 2018-07-10 |
Family
ID=62766016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721812711.4U Expired - Fee Related CN207598233U (en) | 2017-12-21 | 2017-12-21 | Logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109498014A (en) * | 2019-01-10 | 2019-03-22 | 重庆金山医疗器械有限公司 | Monoblock type PH electrode catheter and processing method |
-
2017
- 2017-12-21 CN CN201721812711.4U patent/CN207598233U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109498014A (en) * | 2019-01-10 | 2019-03-22 | 重庆金山医疗器械有限公司 | Monoblock type PH electrode catheter and processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20211221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |