CN105626033A - Lateral electrode assembly for petroleum logging instrument and manufacturing method for lateral electrode assembly - Google Patents
Lateral electrode assembly for petroleum logging instrument and manufacturing method for lateral electrode assembly Download PDFInfo
- Publication number
- CN105626033A CN105626033A CN201410589763.4A CN201410589763A CN105626033A CN 105626033 A CN105626033 A CN 105626033A CN 201410589763 A CN201410589763 A CN 201410589763A CN 105626033 A CN105626033 A CN 105626033A
- Authority
- CN
- China
- Prior art keywords
- fiber
- resin layer
- reinforced resin
- radially
- ring electrode
- 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.)
- Granted
Links
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a lateral electrode assembly for a petroleum logging instrument and a manufacturing method for the lateral electrode assembly. The lateral electrode assembly comprises a supporting body, an insulation layer, a fiber-reinforced resin layer, one or more wires and an annular electrode. By the adoption of the lateral electrode assembly, no oil needs to be injected, no pressure balancing device needs to be used, the structure of the electrode assembly is simplified, and the servicing and maintenance work is reduced.
Description
Technical field
The present invention relates to oil well logging instrument, relate more specifically to lateral electrodes assembly and the manufacture method thereof of oil logging tool.
Background technology
There is various structures in the lateral electrodes assembly of oil well logging instrument both domestic and external, generally adopts internal oiling to realize pressure balance, electrode and insulation joint order and be enclosed within the structure on plug. The shortcoming of this structure is in that the insulating properties of electrode not easily ensures, instrument number of components is more, and causes being not easy to install and safeguard due to the internal oiling of needs.
Summary of the invention
Present invention seek to address that the defect of prior art, it is achieved by the following technical programs.
In one aspect of the invention, it is provided that the lateral electrodes assembly of a kind of oil logging tool, described lateral electrodes assembly includes: supporter, and described supporter is the tubular element of hollow; Insulating barrier, described insulating barrier is electric insulation, and is disposed on the radially-outer surface of described supporter; Fiber-reinforced resin layer, described fiber-reinforced resin layer is disposed on the radially-outer surface of described insulating barrier; One or more wires, the one or more wire is arranged in described fiber-reinforced resin layer approximately along the direction of the longitudinal centre line of described lateral electrodes assembly, being positioned at the radial outside of described insulating barrier, the one or more wire is spaced from each other in the circumferential; And ring electrode, described ring electrode is arranged in the circumferential recess of described fiber-reinforced resin layer, the end of each of the one or more wire is electrically connected to described ring electrode, and being exposed at least partially of the radially-outer surface of described ring electrode.
In one embodiment, described supporter is made of metal.
In one embodiment, described supporter is made of stainless steel.
In one embodiment, described insulating barrier is polyether-ether-ketone layer, and described polyether-ether-ketone layer is deposited on the radially-outer surface of described supporter by the mode of electrostatic spraying.
In one embodiment, described fiber-reinforced resin layer is galss fiber reinforced resin layer.
In one embodiment, the shape of described ring electrode is mated with the shape of cross section of described supporter.
In one embodiment, sealing is formed between described ring electrode and described fiber-reinforced resin layer.
In one embodiment, described ring electrode is not have unbroken loop jaggy.
In another aspect of the present invention, it is provided that a kind of method of lateral electrodes assembly for manufacturing oil logging tool, described method includes: providing supporter, described supporter is the tubular element of hollow; Radially-outer surface at described supporter arranges insulating barrier, and described insulating barrier is electric insulation; The radially-outer surface of described insulating barrier is wound around fiber cloth, then infuses resin in fiber cloth and be heating and curing, thus forming first fiber-reinforced resin layer with the first thickness; One or more wires are axially disposed on the radially-outer surface of described first fiber-reinforced resin layer so that the one or more wire is spaced from each other in the circumferential; Ring electrode is arranged on its radially-outer surface around described first fiber-reinforced resin layer; The end of each in the one or more wire is electrically connected to described ring electrode; The radially-outer surface of described first fiber-reinforced resin layer is wound around fiber cloth, then infuse resin in fiber cloth and be heating and curing, thus forming second fiber-reinforced resin layer with the second thickness so that the one or more wire and described ring electrode are encapsulated between described first fiber-reinforced resin layer and described second fiber-reinforced resin layer; And described second fiber-reinforced resin layer is processed so that being exposed at least partially of the radially-outer surface of described ring electrode and the one or more wire is still encapsulated between described first fiber-reinforced resin layer and described second fiber-reinforced resin layer.
In one embodiment, in the following way by the one or more wire arrangements on the radially-outer surface of described first fiber-reinforced resin layer: the radially-outer surface at described first fiber-reinforced resin layer processes one or more axial notches, the one or more axial notch is spaced from each other in the circumferential, is then individually positioned in by the one or more wire in the one or more axial notch of described first fiber-reinforced resin layer.
Accompanying drawing explanation
By referring to the following detailed description and claim and consider accompanying drawing simultaneously, the present invention can be had and be more complete understanding of and can appreciate that other advantages that the present invention has. In whole accompanying drawings, identical accompanying drawing labelling represents identical element. In the accompanying drawings:
Fig. 1 schematically shows the longitudinal sectional view of the lateral electrodes assembly of oil logging tool according to an embodiment of the invention;
Fig. 2 is the schematic cross section of the A-A cutting along the line of the lateral electrodes assembly shown in Fig. 1; And
Fig. 3 is flow chart, it is schematically shown the method for manufacturing the lateral electrodes assembly of oil logging tool according to an embodiment of the invention.
Detailed description of the invention
In one aspect of the invention, it is provided that the lateral electrodes assembly of a kind of oil logging tool. Fig. 1 schematically shows the longitudinal sectional view of the lateral electrodes assembly 100 of oil logging tool according to an embodiment of the invention. In the embodiment shown in fig. 1, lateral electrodes assembly 100 is symmetrical about longitudinal centre line X, therefore illustrate only the first half of lateral electrodes assembly 100.
As it is shown in figure 1, lateral electrodes assembly 100 includes supporter 101, insulating barrier 102, fiber-reinforced resin layer 103, one or more wire 104 and ring electrode 105.
Supporter 101 is the tubular element of hollow, plays pressure-bearing effect. In one embodiment, supporter 101 can bear the pressure of such as 140MPa. In one embodiment, supporter 101 can be made of metal, for instance is made of stainless steel. In other embodiments, supporter 101 can also be made up by pressure suitable material of any other. In one embodiment, the cross section of supporter 101 is circular. In other embodiments, the cross section of supporter 101 can also be ellipse, rectangle, square, triangle, pentagon or any other suitable shape.
Insulating barrier 102 is electric insulation, and is disposed on the radially-outer surface of supporter 101. In one embodiment, insulating barrier 102 is polyether-ether-ketone (PEEK) layer, by the mode of such as electrostatic spraying polyether-ether-ketone resin deposited on the radially-outer surface of supporter 101, be then passed through baking (such as the baking of 400 degrees Celsius), form fine and close insulating barrier. In one embodiment, the radial thickness of insulating barrier 102 is about 200��1000 microns.
Fiber-reinforced resin layer 103 is disposed on the radially-outer surface of insulating barrier 102. In one embodiment, fiber-reinforced resin layer 103 is galss fiber reinforced resin layer, also referred to as frp layer. In one embodiment, the radial thickness of fiber-reinforced resin layer 103 is about 6 millimeters.
The direction of wire 104 centrage X generally along a longitudinal is arranged in fiber-reinforced resin layer 103, is positioned at the radial outside of insulating barrier 102. Wire 104 is used for conducting electric current. In one embodiment, lateral electrodes assembly 100 can include multiple wire 104, and the plurality of wire 104 extends along longitudinal centre line X with being substantially parallel to each other, and is spaced from each other in the circumferential. In one embodiment, multiple wires 104 are spaced from each other uniformly in the circumferential direction. In one embodiment, wire 104 can be resistant to elevated temperatures high temperature wire.
In one embodiment, the shape of ring electrode 105 is mated with the shape of cross section of supporter 101. As it is shown in figure 1, ring electrode 105 is arranged in the circumferential recess of fiber-reinforced resin layer 103, and wire 104 end electrical connection (such as welding) is to ring electrode 105, being exposed at least partially of the radially-outer surface of ring electrode 105. In one embodiment, the front end face of ring electrode 105, rear end face and inner radial surface contact with the circumferential recess of fiber-reinforced resin layer 103. In one embodiment, formed between ring electrode 105 and fiber-reinforced resin layer 103 and seal, thus such as preventing the moisture in surrounding, mud etc. contact wire 104. In one embodiment, ring electrode 105 is not have unbroken loop jaggy.
Fig. 2 is the schematic cross section of the lateral electrodes assembly 100 A-A cutting along the line shown in Fig. 1. In the embodiment shown in Figure 2, the supporter 101 of lateral electrodes assembly 100, insulating barrier 102, the cross section of fiber-reinforced resin layer 103 and ring electrode 105 is circle. In the embodiment shown in Figure 2, lateral electrodes assembly 100 has 13 wires 104 spaced apart from each other uniformly in the circumferential direction.
In another aspect of the present invention, it is provided that a kind of method of lateral electrodes assembly for manufacturing oil logging tool. Fig. 3 is flow chart, it is schematically shown according to an embodiment of the invention for manufacturing the method 200 of the lateral electrodes assembly of oil logging tool. Method 200 starts from step 202.
In step 204, it is provided that supporter 101, supporter 101 is the tubular element of hollow.
In step 206, the radially-outer surface at supporter 101 arranges insulating barrier 102, and insulating barrier 102 is electric insulation. In one embodiment, by spraying the mode of (such as electrostatic spraying), such as polyether-ether-ketone resin is deposited on the radially-outer surface of supporter 101, be then passed through baking (such as the baking of 400 degrees Celsius), form fine and close insulating barrier 102.
In step 208, the radially-outer surface of insulating barrier 102 is wound around fiber cloth, then resin (such as unsaturated polyester, epoxy resin or phenolic resin) is injected in fiber cloth and is heating and curing, thus forming first fiber-reinforced resin layer with the first thickness.
In step 210, one or more wires 104 are axially disposed on the radially-outer surface of the first fiber-reinforced resin layer so that one or more wires 104 are spaced from each other in the circumferential. In one embodiment, can in the following way one or more wires 104 be arranged on the radially-outer surface of the first fiber-reinforced resin layer: the radially-outer surface at the first fiber-reinforced resin layer processes one or more axial notches, one or more axial notches are spaced from each other in the circumferential, are then individually positioned in one or more axial notches of the first fiber-reinforced resin layer by one or more wires 104.
In step 212, ring electrode 105 is arranged on its radially-outer surface around the first fiber-reinforced resin layer. The internal diameter of ring electrode 105 is slightly larger than the external diameter of the first fiber-reinforced resin layer, in order to be arranged on its radially-outer surface around the first fiber-reinforced resin layer by ring electrode 105.
In step 214, the end of each in one or more wires 104 is electrically connected to ring electrode 105.
In step 216, the radially-outer surface of the first fiber-reinforced resin layer is wound around fiber cloth, then resin (such as unsaturated polyester, epoxy resin or phenolic resin) is injected in fiber cloth and is heating and curing, thus forming second fiber-reinforced resin layer with the second thickness so that wire 104 and ring electrode 105 are encapsulated between the first fiber-reinforced resin layer and the second fiber-reinforced resin layer.
In step 218, second fiber-reinforced resin layer is processed so that being exposed at least partially of the radially-outer surface of ring electrode 105 and one or more wire 104 is still encapsulated between the first fiber-reinforced resin layer and the second fiber-reinforced resin layer.
Method 200 ends at step 220.
Those skilled in the art will appreciate that, after being heating and curing, the first fiber-reinforced resin layer and the second fiber-reinforced resin layer are formed as overall, namely aforesaid fiber-reinforced resin layer 103.
Those skilled in the art will appreciate that, each step of method 200 can also perform according to other suitable orders.
The lateral electrodes assembly of the oil logging tool of the present invention has the advantage that the inner space of supporter can be used for installing electronic circuit or for cabling, and supporter plays the role of pressure simultaneously, improves the stability of electrode assemblie; The inside of electrode assemblie does not need oiling and uses pressure equaliser, thus simplifying the structure of electrode assemblie and decreasing maintenance maintenance work; The electrical insulating property between ring electrode and supporter is enhanced by the insulating barrier of such as PEEK resin formation.
Although describing the present invention with reference to (one or more) exemplary embodiment, but what it will be understood to those of skill in the art that is, the invention is not restricted to precise structure disclosed herein and ingredient, and when not necessarily departing from the spirit and scope of the invention such as claims restriction, it is understood that various amendment, change and deformation from description above. The present invention is by the restriction of shown sequence of step, because some steps can in a different order and/or carry out with other step simultaneously. Therefore, the invention is not restricted to disclosed (one or more) specific embodiment, but all embodiments being within the purview of the appended claims will be included.
Claims (10)
1. a lateral electrodes assembly for oil logging tool, described lateral electrodes assembly includes:
Supporter, described supporter is the tubular element of hollow;
Insulating barrier, described insulating barrier is electric insulation, and is disposed on the radially-outer surface of described supporter;
Fiber-reinforced resin layer, described fiber-reinforced resin layer is disposed on the radially-outer surface of described insulating barrier;
One or more wires, the one or more wire is arranged in described fiber-reinforced resin layer approximately along the direction of the longitudinal centre line of described lateral electrodes assembly, being positioned at the radial outside of described insulating barrier, the one or more wire is spaced from each other in the circumferential; And
Ring electrode, described ring electrode is arranged in the circumferential recess of described fiber-reinforced resin layer, and the end of each of the one or more wire is electrically connected to described ring electrode, and being exposed at least partially of the radially-outer surface of described ring electrode.
2. lateral electrodes assembly as claimed in claim 1, wherein, described supporter is made of metal.
3. lateral electrodes assembly as claimed in claim 1, wherein, described supporter is made of stainless steel.
4. lateral electrodes assembly as claimed in claim 1, wherein, described insulating barrier is polyether-ether-ketone layer, and described polyether-ether-ketone layer is deposited on the radially-outer surface of described supporter by the mode of electrostatic spraying.
5. lateral electrodes assembly as claimed in claim 1, wherein, described fiber-reinforced resin layer is galss fiber reinforced resin layer.
6. lateral electrodes assembly as claimed in claim 1, wherein, the shape of described ring electrode is mated with the shape of cross section of described supporter.
7. lateral electrodes assembly as claimed in claim 1, wherein, is formed between described ring electrode and described fiber-reinforced resin layer and seals.
8. lateral electrodes assembly as claimed in claim 1, wherein, described ring electrode is not have unbroken loop jaggy.
9. the method for manufacturing the lateral electrodes assembly of oil logging tool, described method includes:
Thering is provided supporter, described supporter is the tubular element of hollow;
Radially-outer surface at described supporter arranges insulating barrier, and described insulating barrier is electric insulation;
The radially-outer surface of described insulating barrier is wound around fiber cloth, then infuses resin in fiber cloth and be heating and curing, thus forming first fiber-reinforced resin layer with the first thickness;
One or more wires are axially disposed on the radially-outer surface of described first fiber-reinforced resin layer so that the one or more wire is spaced from each other in the circumferential;
Ring electrode is arranged on its radially-outer surface around described first fiber-reinforced resin layer;
The end of each in the one or more wire is electrically connected to described ring electrode;
The radially-outer surface of described first fiber-reinforced resin layer is wound around fiber cloth, then infuse resin in fiber cloth and be heating and curing, thus forming second fiber-reinforced resin layer with the second thickness so that the one or more wire and described ring electrode are encapsulated between described first fiber-reinforced resin layer and described second fiber-reinforced resin layer; And
Described second fiber-reinforced resin layer is processed so that being exposed at least partially of the radially-outer surface of described ring electrode and the one or more wire is still encapsulated between described first fiber-reinforced resin layer and described second fiber-reinforced resin layer.
10. method as claimed in claim 9, wherein, in the following way by the one or more wire arrangements on the radially-outer surface of described first fiber-reinforced resin layer: the radially-outer surface at described first fiber-reinforced resin layer processes one or more axial notches, the one or more axial notch is spaced from each other in the circumferential, is then individually positioned in by the one or more wire in the one or more axial notch of described first fiber-reinforced resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589763.4A CN105626033B (en) | 2014-10-29 | 2014-10-29 | Lateral electrode assembly for petroleum logging instrument and method of making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589763.4A CN105626033B (en) | 2014-10-29 | 2014-10-29 | Lateral electrode assembly for petroleum logging instrument and method of making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105626033A true CN105626033A (en) | 2016-06-01 |
| CN105626033B CN105626033B (en) | 2021-04-13 |
Family
ID=56041324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410589763.4A Active CN105626033B (en) | 2014-10-29 | 2014-10-29 | Lateral electrode assembly for petroleum logging instrument and method of making same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626033B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2479210Y (en) * | 2001-04-12 | 2002-02-27 | 西安石油勘探仪器总厂 | Stratigraphic dip logging unit pad |
| CN201013357Y (en) * | 2007-03-13 | 2008-01-30 | 沈阳中油测试技服有限公司 | Direction-finding electrode array for petroleum exploration logging |
| CN201041038Y (en) * | 2007-03-30 | 2008-03-26 | 中国石油天然气集团公司 | Lateral logging device rubber electrode array |
| CN101182770A (en) * | 2007-12-27 | 2008-05-21 | 大庆油田有限责任公司 | Capacitance-type sensor used for horizontal well moisture percentage measurement |
| US20100170671A1 (en) * | 2009-01-02 | 2010-07-08 | Schlumberger Technology Corporation | Systems and methods for providing electrical transmission in downhole tools |
| CN201810297U (en) * | 2010-09-10 | 2011-04-27 | 北京锐致聪科技有限公司 | Tangentially polarized monopole transducer of multi-pole acoustic array logging |
| CN102168550A (en) * | 2011-03-30 | 2011-08-31 | 江苏方建工程质量鉴定检测有限公司 | Borehole ground potential measuring electrode |
| CN103456409A (en) * | 2012-06-05 | 2013-12-18 | 河南科信电缆有限公司 | Impregnation reinforced type carbon fiber electric cable |
-
2014
- 2014-10-29 CN CN201410589763.4A patent/CN105626033B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2479210Y (en) * | 2001-04-12 | 2002-02-27 | 西安石油勘探仪器总厂 | Stratigraphic dip logging unit pad |
| CN201013357Y (en) * | 2007-03-13 | 2008-01-30 | 沈阳中油测试技服有限公司 | Direction-finding electrode array for petroleum exploration logging |
| CN201041038Y (en) * | 2007-03-30 | 2008-03-26 | 中国石油天然气集团公司 | Lateral logging device rubber electrode array |
| CN101182770A (en) * | 2007-12-27 | 2008-05-21 | 大庆油田有限责任公司 | Capacitance-type sensor used for horizontal well moisture percentage measurement |
| US20100170671A1 (en) * | 2009-01-02 | 2010-07-08 | Schlumberger Technology Corporation | Systems and methods for providing electrical transmission in downhole tools |
| CN201810297U (en) * | 2010-09-10 | 2011-04-27 | 北京锐致聪科技有限公司 | Tangentially polarized monopole transducer of multi-pole acoustic array logging |
| CN102168550A (en) * | 2011-03-30 | 2011-08-31 | 江苏方建工程质量鉴定检测有限公司 | Borehole ground potential measuring electrode |
| CN103456409A (en) * | 2012-06-05 | 2013-12-18 | 河南科信电缆有限公司 | Impregnation reinforced type carbon fiber electric cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105626033B (en) | 2021-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2018145204A (en) | ELECTRICAL CONNECTOR BEFORE EVERYTHING FOR AN ELECTRICALLY HEATED CELL CELL | |
| KR101107038B1 (en) | A Structure of Conductive Sleeve and Corona Shield for Connecting Different Type Power Cables, A Pre-mold Joint Box Having the Same, and Method of Connecting Different Type Power Cables | |
| US10246947B2 (en) | Mechanical-load bearing and electrically isolating mechanical connection | |
| JP2015505939A5 (en) | ||
| CN103299498A (en) | Process for manufacturing a jointing assembly for medium or high voltage electrical cables and jointing assembly obtainable by said process | |
| US10340672B2 (en) | Conducting wire end portion joining method, and conducting wire end portion joining structure | |
| CA2940875C (en) | Induction cable, coupling device, and method for producing an induction cable | |
| CN106300216B (en) | Insulate terminal assembly | |
| US9960541B2 (en) | Subsea connector | |
| CN103607065B (en) | The manufacture method of bearing insulation device, bearing insulation device, and variable-frequency motor | |
| CN102683096B (en) | Resin-molded vacuum valve | |
| US2835725A (en) | High voltage electric terminator | |
| CN108281826B (en) | Multi-core shielding type electric connector | |
| US2781785A (en) | Radio shielding for ignition cable and method of making same | |
| JP2017204515A (en) | Electromagnetic shield component, wire with electromagnetic shield component, and manufacturing method of electromagnetic shield component | |
| CN105626033A (en) | Lateral electrode assembly for petroleum logging instrument and manufacturing method for lateral electrode assembly | |
| US20150090473A1 (en) | Manufacturing a Conductor Part | |
| US9941639B2 (en) | Shielding arrangement for high-current applications | |
| US8816711B2 (en) | Electrical probe assembly | |
| JP2019176722A (en) | Transition joint | |
| JP5914258B2 (en) | Epoxy unit and polymer sleeve | |
| KR102614285B1 (en) | Process for manufacturing high voltage fuse and high voltage fuse manufactured by using the same | |
| CN105101595A (en) | Antistatic cover | |
| US8422192B2 (en) | Fuel pipe joint on an aircraft | |
| CN101453061A (en) | Easy inserting type conductive wire connector and method for preparing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |