CN105587315B - A kind of main electrode probe lateral based on soft-focus array - Google Patents
A kind of main electrode probe lateral based on soft-focus array Download PDFInfo
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- CN105587315B CN105587315B CN201510958755.7A CN201510958755A CN105587315B CN 105587315 B CN105587315 B CN 105587315B CN 201510958755 A CN201510958755 A CN 201510958755A CN 105587315 B CN105587315 B CN 105587315B
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- core axle
- bearing joint
- mandrel
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- 239000000523 sample Substances 0.000 title claims description 25
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000005476 soldering Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000010148 water-pollination Effects 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
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)
- Measuring Leads Or Probes (AREA)
Abstract
The present invention relates to a kind of, and the main electrode lateral based on soft-focus array is popped one's head in, including metal core axle, top connection, lower contact, upper pressure-bearing joint, lower pressure-bearing joint, the both ends of the metal core axle are connected and fixed with top connection and lower contact respectively by pin, are placed with pre-amplifying module on the front end outer round surface of metal core axle；Mandrel insulation sleeve is placed on the outer round surface of metal core axle, contact spring is fixed in the fixing groove of mandrel insulation sleeve, emission lines are placed on twice crossed beam trunking respectively to prick and receive line bundle, emission lines bundle is pricked one end with reception line and is connect with contact spring soldering, and the other end is connect with upper pressure-bearing joint, lower pressure-bearing joint soldering；Several described electrodes are in alternate to connect and be sequentially loaded into mandrel insulation sleeve, and electrode is pressed into contact with the contact spring on mandrel insulation sleeve with several separation sleeves；The present invention can obtain a plurality of change in resistance curve of invaded zone of stratum to undisturbed formation at high temperature under high pressure.
Description
Technical field
The invention belongs to the resistivity logging tool technical fields in petroleum exploration logging, more particularly to one kind to be suitable for battle array
The main electrode probe lateral based on soft-focus array in the lateral instrument of columnization.
Background technique
Currently, domestic lateralog generally uses the glass of metal and the integrated mandrel of glass reinforced plastic and end face seal
Steel is isolated electrode and forms electrode system distribution, or forms electrode system distribution using whole moulding mode.It needs in process of production
Complex process, dismounting is difficult larger, is unfavorable for instrument maintenance maintenance.It is focused in array lateral logging instrument in software, main electrode
It is more that probe electrode draws core number (including preposition amplification input-output line), while pre-amplifying module requires to be placed in as far as possible
Near electrode, entire amplification module needs are placed in the internal receiving high temperature and pressure of probe, and are isolated with electrode insulation.It is existing
Structure type is difficult to meet above-mentioned requirements, according to the requirement and feature of instrument, redesigns a kind of main electrode probe of new construction.
Summary of the invention
It is an object of the invention to overcome the shortcomings of the prior art, and provide a kind of lateral based on soft-focus array
Main electrode probe can realize multi-thread excessively logical structure at high temperature under high pressure, and independent pressure-bearing pre-amplifying module is built in probe
Portion, metal core axle are separated with insulating layer, easy to disassemble.
The object of the present invention is achieved by the following technical solutions, including metal core axle, top connection, lower contact, every
From set, electrode, upper pressure-bearing joint, lower pressure-bearing joint, the both ends of the metal core axle by pin respectively with top connection and under connect
Head is connected and fixed, and the front end outer round surface of metal core axle is equipped with fixed structure for placing pre-amplifying module；Mandrel insulation
Set installs pre-amplifying module position along the outer round surface that axial direction is placed on metal core axle on the mandrel insulation sleeve and metal core axle
The corresponding position set offers slot；The two of fixing groove and axial direction of the outer round surface of mandrel insulation sleeve equipped with circumferencial direction
Road crossed beam trunking is fixed with contact spring in fixing groove, and axially distributed by distribution of electrodes, is placed with respectively on twice crossed beam trunking
Emission lines bundle is pricked with line is received, and emission lines bundle is pricked one end with reception line and connect with contact spring soldering, and the other end connects with upper pressure-bearing
Head, lower pressure-bearing joint soldering connection；Several described electrodes are in alternate to connect and be sequentially loaded into several separation sleeves
On the outer round surface of mandrel insulation sleeve, and electrode is pressed into contact with the contact spring on mandrel insulation sleeve；Spring, clamp nut according to
It is secondary to be packed into along top connection outer round surface, and compress separation sleeve and electrode；Safety valve is installed in top connection, is equipped in lower contact
Oil filler plug, piston are located at two electrodes and are formed by cavity.
Preferably, the metal core axle is hollow shaft structure, inner hole is connected with emission lines and pricks and receive line bundle, both ends
It is respectively used to position upper pressure-bearing joint and lower pressure-bearing joint equipped with location hole.
Preferably, the electrode is metal structure, both ends are equipped with inner hole seal groove, are put by the inner hole seal groove
Enter to have sealing ring；Separation sleeve both ends outer round surface corresponding with the inner hole seal groove be sealing surface, and in electrode both ends
Hole seal groove constitutes gland seal structure together.
Preferably, the mandrel insulation sleeve is integrated machine-shaping or the molding structure of segmental machining recombinant.
The invention has the benefit that main electrode probe outer diameter of the invention is Φ 102mm, it can be in 175 DEG C of underground height
Temperature, the environmental work of 140MPa obtain a plurality of change in resistance curve of invaded zone of stratum to undisturbed formation；It can be in high temperature
Under high pressure, multi-thread excessively logical structure is realized, independent pressure-bearing pre-amplifying module is built in probe inside, metal core axle and insulating layer point
From easy to disassemble.
Detailed description of the invention
Fig. 1 is main electrode probe segment structural schematic diagram one of the invention.
Fig. 2 is main electrode probe segment structural schematic diagram two of the invention.
Fig. 3 is main electrode probe segment structural schematic diagram three of the invention.
Fig. 4 is main electrode probe segment structural schematic diagram four of the invention.
Fig. 5 is the B-B the schematic diagram of the section structure of Fig. 3.
Fig. 6 is the C-C the schematic diagram of the section structure of Fig. 3.
Label in attached drawing is respectively as follows: 1, metal core axle；2, mandrel insulation sleeve；3, top connection；4, lower contact；5, it is isolated
Set；6, electrode；7, it sells；8, upper pressure-bearing joint；9, lower pressure-bearing joint；10, pre-amplifying module；11, safety valve；12, oil filler plug；
13, crossed beam trunking；14, piston；15, contact spring；16, spring；17, clamp nut；18, sealing ring；19, cavity；20, fixed
Slot；21, slot；22, inner hole.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be described in detail: as shown in attached drawing 1 to 6, the present invention by metal core axle 1,
Mandrel insulation sleeve 2, top connection 3, lower contact 4, separation sleeve 5, electrode 6, pin 7, upper pressure-bearing joint 8, lower pressure-bearing joint 9, preceding storing
Big module 10, safety valve 11, oil filler plug 12, piston 14, contact spring 15, spring 16, clamp nut 17, sealing ring 18 form.
Wherein metal core axle 1 is elongated hollow axle construction, and there is location hole at both ends, is connected and fixed by pin 7 and top connection 3 and lower contact 4,
Form the load-carrying construction of main electrode probe；The intermediate inner hole of metal core axle 1 was used for line, had on 1 outer round surface of metal core axle solid
Structure is determined for placing pre-amplifying module 10.Mandrel insulation sleeve 2 is for isolating metal mandrel 1 and electrode 6, according to electrode system point
Cloth requirement, in the axially distributed fixing groove 20 of its outer round surface for fixing contact spring 15, while outer round surface twice cross line
The emission lines that slot 13 is respectively used to place on probe are pricked pricks with reception line, storing before installation on mandrel insulation sleeve 2 and metal core axle 1
The corresponding position fluting 21 of big 10 position of module, the installation for pre-amplifying module 10.It receives line bundle and emission lines pricks one end
It is connect with 15 soldering of contact spring, the other end is connect with upper pressure-bearing joint 8,9 soldering of lower pressure-bearing joint, contact spring 15 and electrode
6 are pressed into contact with, and collectively form electrode emission and receiving portion at main electrode above.Electrode 6 is metal structure, and both ends have inner hole close
Sealing groove structure has been put into sealing ring 18 by the inner hole seal groove, and annular knurl processing in outer surface improves hydrophily.Separation sleeve 5 uses
The outer round surface of engineering insulating materials resistant to high temperature, both ends is sealing surface, constitutes gland seal knot together with 6 both ends inner hole of electrode
Structure.Electrode 6, separation sleeve 5, top connection 3, lower contact 4, upper pressure-bearing joint 8, lower pressure-bearing joint 9, piston 14 are formed together in probe
Portion's oiling cavity, with ambient pressure decomposition pressure balance system.According to internal silicone oil situation, the electrode 6 that is of convenient length is chosen, by it
It is divided into two part compositions, and forms cavity, is become wherein placing one and moving back and forth the compensation of piston 14 along axial direction by external environment
The volume change of the internal silicone oil of probe caused by changing, maintains internal and external pressure balance.Pre-amplifying module 10 is connect with metal core axle 1
Together, it is exported again after can handling according to requirements electrode signal.Safety valve 11 is for adjusting interior external pressure of popping one's head in
The range of dynamic balance, and main electrode is protected when pressure balance timeliness.It is distributed by electrode system, electrode 6 and separation sleeve 5 are successively
It is packed on metal core axle 1, electrode 6 is pressed into contact with contact spring 15 on mandrel insulation sleeve 2.Spring 16 and clamp nut 17 are realized
The axial restraint of electrode 6 and separation sleeve 5, while for adjusting multiple electrodes 6 and separation sleeve 5 tolerance in the axial direction.
The present invention focuses the main electrode probe of array lateral logging instrument as software, passes through top connection 3 and lower contact 4 and its
His electrode section collectively constitutes entire electrode system, a plurality of resistivity curve of available invaded zone of stratum to undisturbed formation.This master
Electrode probe is assembled since lower contact 4 by structure feature, will be crossed line soldering and is fastened on lower pressure-bearing joint 9, and fills together
Enter lower contact 4.Lower contact 4 and metal core axle 1 are connected and fixed using pin 7, cross the inner hole that line passes through metal core axle 1.Mandrel is exhausted
Edge set 2 is packed into metal core axle 1 along axial, is used to install the slot 21 and metal core axle 1 of pre-amplifying module 10 on mandrel insulation sleeve 2
It is fixed on metal core axle 1 after the fixed aligned in position of upper pre-amplifying module 10.Multiple contact springs 15 are packed into mandrel insulation
Cover in the fixing groove 20 of 2 outer round surface, 6 lead one end soldering of electrode be fixed on contact spring 15, the other end by receive with
Transmitting classification, crossed beam trunking 13 is arranged respectively in axial direction.Pre-amplifying module 10 is fixed on metal core axle 1, and with metal core axle 1
It is dielectrically separated from, both ends lead is arranged along axial crossed beam trunking 13.It is symmetrical above and below according to electrode system distribution, it is packed at 6 both ends of electrode close
Seal 18, successively sequence is packed into mandrel insulation sleeve 2 with separation sleeve 5, and electrode 6 contacts conducting with contact spring 15.By line
It is fixed on upper pressure-bearing joint 8 with 6 lead soldering of electrode, and is packed into top connection 3.Top connection 3 and metal core axle 1 are connected using pin 7
Connect fixation.Spring 16 and clamp nut 17 are packed into along 3 outer circle of top connection, compress electrode 6 and separation sleeve 5.Oiling, and will be safe
Valve 11 and oil filler plug 12 are separately mounted in top connection 3 and lower contact 4.Soft-focus array side passes through master to the contact conductor of lower end
Electrode crosses line, passes through top connection and upper end connection together with the electrode on probe.The electric signal of each electrode is by processing
Afterwards, the resistivity value of invaded zone of stratum to undisturbed formation different depth can be measured.
It is understood that it will be understood by those skilled in the art that being subject to technical solution of the present invention and inventive concept
It all should fall within the scope of protection of the appended claims of the present invention with replacement or change.
Claims (4)
1. a kind of lateral based on soft-focus array main electrode probe, including metal core axle (1), top connection (3), lower contact (4),
Separation sleeve (5), electrode (6), upper pressure-bearing joint (8), lower pressure-bearing joint (9), it is characterised in that: the metal core axle (1)
Both ends are connected and fixed with top connection (3) and lower contact (4) respectively by pin (7), are set on the front end outer round surface of metal core axle (1)
There is fixed structure for placing pre-amplifying module (10)；Mandrel insulation sleeve (2) is placed on the outer circle table of metal core axle (1) along axial direction
On face, and the mandrel insulation sleeve (2) is offered with the corresponding position for installing pre-amplifying module (10) position on metal core axle (1)
Slot (21)；The outer round surface of mandrel insulation sleeve (2) is equipped with the fixing groove (20) of circumferencial direction and the twice of axial direction cross line
Slot (13) is fixed with contact spring (15) in fixing groove (22), and is distributed axially distributed, twice crossed beam trunking by electrode (6)
(13) emission lines are placed on respectively to prick and receive line bundle, emission lines bundle pricks one end and contact spring (15) soldering company with line is received
It connects, the other end is connect with upper pressure-bearing joint (8), lower pressure-bearing joint (9) soldering；Described several electrodes (6) and several every
It connects and is sequentially loaded on the outer round surface of mandrel insulation sleeve (2) in alternating from set (5), and electrode (6) and mandrel insulate
Contact spring (15) on set (2) is pressed into contact with；Spring (16), clamp nut (17) are successively filled along top connection (3) outer round surface
Enter, and compresses separation sleeve (5) and electrode (6)；It is equipped in top connection (3) safety valve (11), lower contact is equipped with oiling on (4)
It fills in (12), piston (14) is located at two electrodes (6) and is formed by cavity (19).
2. the main electrode probe lateral based on soft-focus array according to claim 1, it is characterised in that: the metal
Mandrel (1) is hollow shaft structure, and inner hole (22) is connected with emission lines bundle and pricks with line is received, and both ends are equipped with location hole and are respectively used to determine
Pressure-bearing joint (8) and lower pressure-bearing joint (9) on position.
3. the main electrode probe lateral based on soft-focus array according to claim 1, it is characterised in that: the electrode
It (6) is metal structure, both ends are equipped with inner hole seal groove, have been put into sealing ring (18) by the inner hole seal groove；With the inner hole
The corresponding separation sleeve of seal groove (5) both ends outer round surface is sealing surface, and the structure together with the inner hole seal groove at electrode (6) both ends
At gland seal structure.
4. the main electrode probe lateral based on soft-focus array according to claim 1, it is characterised in that: the mandrel
Insulation sleeve (2) is integrated machine-shaping or the molding structure of segmental machining recombinant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958755.7A CN105587315B (en) | 2015-12-18 | 2015-12-18 | A kind of main electrode probe lateral based on soft-focus array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958755.7A CN105587315B (en) | 2015-12-18 | 2015-12-18 | A kind of main electrode probe lateral based on soft-focus array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105587315A CN105587315A (en) | 2016-05-18 |
| CN105587315B true CN105587315B (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510958755.7A Active CN105587315B (en) | 2015-12-18 | 2015-12-18 | A kind of main electrode probe lateral based on soft-focus array |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761673A (en) * | 2016-12-08 | 2017-05-31 | 中国电子科技集团公司第二十二研究所 | Dual laterolog equipment |
| CN107816344B (en) * | 2017-09-20 | 2021-03-30 | 中国石油天然气集团公司 | While-drilling lateral electrode system main-screen integrated electrode structure and preparation method thereof |
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3995479A (en) * | 1974-11-01 | 1976-12-07 | Schlumberger Technology Corporation | Apparatus for protecting downhole instruments from torsional and lateral movements |
| US4323848A (en) * | 1980-03-17 | 1982-04-06 | Cornell Research Foundation, Inc. | Plural sensor magnetometer arrangement for extended lateral range electrical conductivity logging |
| CN101245702A (en) * | 2008-01-03 | 2008-08-20 | 杭州瑞利声电技术公司 | Constant-power dual side-direction well measuring equipment |
| CN201110897Y (en) * | 2007-11-28 | 2008-09-03 | 杭州瑞利声电技术公司 | Eight side direction electrode |
| CN101694157A (en) * | 2009-09-25 | 2010-04-14 | 中国电子科技集团公司第二十二研究所 | Method for shortening length of log tool and dual laterolog tool with electrode probe internally provided with electronic circuit |
| CN201489123U (en) * | 2009-03-26 | 2010-05-26 | 西部钻探测井公司 | Novel double-lateral electrode system |
| CN202645540U (en) * | 2012-07-18 | 2013-01-02 | 中国石油天然气集团公司 | Diameter-variable three-detection-depth high-resolution three-lateral logger |
-
2015
- 2015-12-18 CN CN201510958755.7A patent/CN105587315B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3995479A (en) * | 1974-11-01 | 1976-12-07 | Schlumberger Technology Corporation | Apparatus for protecting downhole instruments from torsional and lateral movements |
| US4323848A (en) * | 1980-03-17 | 1982-04-06 | Cornell Research Foundation, Inc. | Plural sensor magnetometer arrangement for extended lateral range electrical conductivity logging |
| CN201110897Y (en) * | 2007-11-28 | 2008-09-03 | 杭州瑞利声电技术公司 | Eight side direction electrode |
| CN101245702A (en) * | 2008-01-03 | 2008-08-20 | 杭州瑞利声电技术公司 | Constant-power dual side-direction well measuring equipment |
| CN201489123U (en) * | 2009-03-26 | 2010-05-26 | 西部钻探测井公司 | Novel double-lateral electrode system |
| CN101694157A (en) * | 2009-09-25 | 2010-04-14 | 中国电子科技集团公司第二十二研究所 | Method for shortening length of log tool and dual laterolog tool with electrode probe internally provided with electronic circuit |
| CN202645540U (en) * | 2012-07-18 | 2013-01-02 | 中国石油天然气集团公司 | Diameter-variable three-detection-depth high-resolution three-lateral logger |
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| CN105587315A (en) | 2016-05-18 |
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Address after: Hangzhou City, Zhejiang province 310012 Xihu District Huaxing Road No. 96 Applicant after: Hangzhou Ruili electroacoustic technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 310012 Xihu District Huaxing Road No. 96 Applicant before: Hangzhou Ruili Acoustoelectric Technology Co., Ltd. |
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