CN108150159A - Logging instrument - Google Patents
Logging instrument Download PDFInfo
- Publication number
- CN108150159A CN108150159A CN201711395729.3A CN201711395729A CN108150159A CN 108150159 A CN108150159 A CN 108150159A CN 201711395729 A CN201711395729 A CN 201711395729A CN 108150159 A CN108150159 A CN 108150159A
- Authority
- CN
- China
- Prior art keywords
- logging instrument
- insulating sleeve
- electrode
- instrument according
- cable
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- -1 Ether ether ketone Chemical class 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 6
- 239000004696 Poly ether ether ketone Substances 0.000 description 5
- 229920002530 polyetherether ketone Polymers 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Insulating Bodies (AREA)
Abstract
The present invention 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 present invention 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 present invention relates 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.
Invention content
It is a primary object of the present invention to provide a kind of logging instrument, to solve the electrode retaining collar of logging instrument of the prior art
Poor insulativity and the problem of influence the job stability of logging instrument.
To achieve these goals, the present invention provides a kind of logging instrument, including：Mandrel；Insulating sleeve is dielectrically separated from
The peripheral side of mandrel is set in, is dielectrically separated to put on and offers multiple installation annular grooves；Multiple electrodes ring, multiple electrodes ring is one by one
It is arranged in correspondence 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.
It applies the technical scheme of the present invention, by the way that insulating sleeve to be set in the peripheral side of mandrel, and is being dielectrically separated from
The installation annular groove opened up for installing electrode retaining collar is put on, in this way, avoiding the surface wrap fiberglass in mandrel, insulating sleeve
Electrode retaining collar is spaced apart with mandrel, so as to reliably ensure that the insulating properties between electrode retaining collar and mandrel, and electrode retaining collar is direct
In installation annular groove, under the premise of the mounting stability of electrode retaining collar is improved, it is also effectively guaranteed two neighboring electricity
Insulating properties between polar ring.
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 further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 show a kind of alternative embodiment according to the present invention with mandrel, insulating sleeve and multiple electrodes ring
A part of logging instrument main view schematic cross-sectional view；
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
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, 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 present invention provides a kind of logging instruments.
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
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to be drawn according to practical proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely illustrative, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms are represented in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need to that it is further discussed in figure.
In the description of the present invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and close
System is for only for ease of the description present invention and simplifies description, and in the case where not making to illustrate on the contrary, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore cannot manage
It solves as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each component profile in itself.
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 invention protection domain.
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 foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
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 |
|---|---|---|---|
| CN201711395729.3A CN108150159A (en) | 2017-12-21 | 2017-12-21 | Logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395729.3A CN108150159A (en) | 2017-12-21 | 2017-12-21 | Logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108150159A true CN108150159A (en) | 2018-06-12 |
Family
ID=62464854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711395729.3A Pending CN108150159A (en) | 2017-12-21 | 2017-12-21 | Logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150159A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3454870A (en) * | 1967-01-06 | 1969-07-08 | Dresser Ind | Knife structure electrode,support,and sealing means for borehole logging apparatus |
| GB2007368A (en) * | 1977-10-21 | 1979-05-16 | Schlumberger Ltd | Device for electrode-type electrical logging sondes and sonde incorporating said device |
| CA2270757A1 (en) * | 1998-06-09 | 1999-12-09 | Schlumberger Canada Limited | Nuclear magnetic resonance logging with azimuthal resolution |
| CN2919277Y (en) * | 2006-07-12 | 2007-07-04 | 中国石化集团胜利石油管理局测井公司 | Flow combining resistance type water flow complex measuring probe |
| CN201041039Y (en) * | 2007-04-03 | 2008-03-26 | 中国石油天然气集团公司 | Microelectrode array for measuring downhole shallow slurry electrical resistivity |
| CN201288546Y (en) * | 2008-11-14 | 2009-08-12 | 中国石油集团长城钻探工程有限公司 | Dual lateral direction anti-scratching electrode ring for horizontal well |
| CN101592031A (en) * | 2004-04-01 | 2009-12-02 | 施卢默格海外有限公司 | A kind of combined propagation and lateral resistivity downhole tool |
| CN201953372U (en) * | 2010-12-22 | 2011-08-31 | 杭州瑞利声电技术公司 | Pressure-bearing type resistivity sensor |
| CN103089249A (en) * | 2013-01-09 | 2013-05-08 | 电子科技大学 | Signal wireless electromagnetism transmission system while drilling |
| CN104453883A (en) * | 2014-12-10 | 2015-03-25 | 中国石油天然气集团公司 | Electrode system structure for lateral resistivity logging while drilling instrument and method for manufacturing electrode system structure |
| CN204680816U (en) * | 2015-05-26 | 2015-09-30 | 中国海洋石油总公司 | Contact pin and lateralog |
| CN105587315A (en) * | 2015-12-18 | 2016-05-18 | 杭州瑞利声电技术公司 | Main electrode probe based on soft focus array side direction |
| CN105637387A (en) * | 2013-03-22 | 2016-06-01 | 中国石油天然气集团公司 | Restorable antennae apparatus and system for well logging |
| CN207598233U (en) * | 2017-12-21 | 2018-07-10 | 中国电子科技集团公司第二十二研究所 | Logging instrument |
-
2017
- 2017-12-21 CN CN201711395729.3A patent/CN108150159A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3454870A (en) * | 1967-01-06 | 1969-07-08 | Dresser Ind | Knife structure electrode,support,and sealing means for borehole logging apparatus |
| GB2007368A (en) * | 1977-10-21 | 1979-05-16 | Schlumberger Ltd | Device for electrode-type electrical logging sondes and sonde incorporating said device |
| CA2270757A1 (en) * | 1998-06-09 | 1999-12-09 | Schlumberger Canada Limited | Nuclear magnetic resonance logging with azimuthal resolution |
| CN101592031A (en) * | 2004-04-01 | 2009-12-02 | 施卢默格海外有限公司 | A kind of combined propagation and lateral resistivity downhole tool |
| CN2919277Y (en) * | 2006-07-12 | 2007-07-04 | 中国石化集团胜利石油管理局测井公司 | Flow combining resistance type water flow complex measuring probe |
| CN201041039Y (en) * | 2007-04-03 | 2008-03-26 | 中国石油天然气集团公司 | Microelectrode array for measuring downhole shallow slurry electrical resistivity |
| CN201288546Y (en) * | 2008-11-14 | 2009-08-12 | 中国石油集团长城钻探工程有限公司 | Dual lateral direction anti-scratching electrode ring for horizontal well |
| CN201953372U (en) * | 2010-12-22 | 2011-08-31 | 杭州瑞利声电技术公司 | Pressure-bearing type resistivity sensor |
| CN103089249A (en) * | 2013-01-09 | 2013-05-08 | 电子科技大学 | Signal wireless electromagnetism transmission system while drilling |
| CN105637387A (en) * | 2013-03-22 | 2016-06-01 | 中国石油天然气集团公司 | Restorable antennae apparatus and system for well logging |
| CN104453883A (en) * | 2014-12-10 | 2015-03-25 | 中国石油天然气集团公司 | Electrode system structure for lateral resistivity logging while drilling instrument and method for manufacturing electrode system structure |
| CN204680816U (en) * | 2015-05-26 | 2015-09-30 | 中国海洋石油总公司 | Contact pin and lateralog |
| CN105587315A (en) * | 2015-12-18 | 2016-05-18 | 杭州瑞利声电技术公司 | Main electrode probe based on soft focus array side direction |
| CN207598233U (en) * | 2017-12-21 | 2018-07-10 | 中国电子科技集团公司第二十二研究所 | Logging instrument |
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