CN102562030A - Shell for sensing logging device and design plan for shell - Google Patents
Shell for sensing logging device and design plan for shell Download PDFInfo
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- CN102562030A CN102562030A CN2010105879318A CN201010587931A CN102562030A CN 102562030 A CN102562030 A CN 102562030A CN 2010105879318 A CN2010105879318 A CN 2010105879318A CN 201010587931 A CN201010587931 A CN 201010587931A CN 102562030 A CN102562030 A CN 102562030A
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Abstract
The invention discloses a shell for sensing a logging device and a design plan for the shell, belonging to the logging inducing field. The shell comprises an upper joint and a lower joint, wherein the upper joint and the lower joint are hollow structures; the shell is characterized by further comprising a ceramic layer, a glass fiber reinforced plastics layer and a rubber layer which are sequentially sleeved; the ceramic layer is formed by bonding ceramic rings with the same specification; the ceramic layer is bounded between the upper joint and the lower joint; the annular empty chamber of the ceramic layer is communicated with the hollow structure; the glass fiber reinforced plastics layer is located above the ceramic layer and is connected with the lower joint and the upper joint; the rubber layer is located on the glass fiber reinforced plastics layer and is connected with the lower joint and the upper joint. The shell for sensing the logging device is simple in structure and convenient to install, debug and maintain the logging sensing device and greatly reduces the device cost.
Description
Technical field
The present invention relates to the induction logging field, particularly a kind of shell that is used for induction logging instrument.
Background technology
In oil-gas exploration and producing, adopt induction logging instrument to obtain formation information usually.Induction logging instrument emission electromagnetic energy, energy that sends and stratum form induction and produce induced signal, and the induced signal of generation is measured by one or more sensors, through the detected signal of data, obtains formation information.This instrument mainly is made up of the shell of electronic circuit, coil array and instrument.In the time of well logging; In order to make the coil array ability operate as normal of induction logging instrument; The shell of instrument need not have magnetic insulation, and must under 175 ℃ of high temperature, high pressure 140MPa working environment, enough intensity, reliable tightness and good insulation performance property be arranged.
At present; Induction instrument aratus adopts simple glass steel pipe shell usually, and utilizes the oil pressure balancing technique to realize job requirement, promptly through connecting a pressure balance mechanism; Oiling in glass reinforced plastic pipe; Under high temperature, hyperbaric environment,, realize outside mud pressure of glass reinforced plastic pipe and internal oil pressure balance, thereby guarantee that glass fiber reinforced plastic is without prejudice through the adjustment of pressure balance mechanism inner carrier.
In realizing process of the present invention; The inventor finds that there is following problem at least in prior art: simple glass steel pipe shell need be equipped with pressure balance mechanism; Make installation, debugging and the maintenance of induction logging instrument very inconvenient; And glass fiber reinforced plastic Inside coil and associated components all will bear oil pressure, have had a strong impact on the application life of Inside coil and associated components.
Summary of the invention
The purpose of the embodiment of the invention is the defective to above-mentioned prior art, and a kind of shell that is used for induction logging instrument is provided, and said shell both satisfaction is answered the no magnetic insulation requirement of quasi-instrument to shell; Satisfy again that self is high temperature resistant, the requirement of high pressure, and coil array inside is without oiling; Do not need extra pressure balance mechanism yet; Simple in structure, be convenient to installation, debugging and the maintenance of induction logging instrument, greatly reduce the cost of instrument.
The technical scheme taked of the present invention is to achieve these goals:
A kind of shell that is used for induction logging instrument; Comprise shell top connection and shell lower contact; Said shell top connection and said shell lower contact are hollow-core construction, also comprise the ceramic layer, frp layer and the rubber layer that are nested successively, and said ceramic layer forms by the ceramic ring of same size is bonding; Said ceramic layer is bonded between said shell top connection and the said shell lower contact; The toroidal cavity of said ceramic layer and said hollow communicating, said frp layer is positioned on the said ceramic layer, and is connected with said shell lower contact and said shell top connection; Said rubber layer is positioned on the said frp layer, and is connected with said shell lower contact and said shell top connection.
Said ceramic ring internal diameter is 54-80mm, and wall thickness is 10-20mm.
Said frp layer is the sealed insulation glass fiber reinforced plastic of relative density between 1.5-2.0, and the thickness of said frp layer is 8-20mm.
Said rubber layer thickness is 2-5mm.
Another technical scheme provided by the invention is:
A kind of enclosure designs scheme that is used for induction logging instrument mainly may further comprise the steps:
With the bonding one-tenth ceramic layer of the ceramic ring of same size; One end and the shell top connection of said ceramic layer is bonding; The other end and the shell lower contact of said ceramic layer is bonding; Fluid sealant is coated in outside and each abutting edge of said ceramic layer, and said ceramic layer, said shell top connection and said shell lower contact form matrix;
Glass fiber reinforced plastic is wrapped on the said matrix forms frp layer, said glass fiber reinforced plastic and said ceramic layer, said shell top connection and said shell lower contact three's contact position is all bonding;
The rubber moulding is formed in outside the said frp layer forms rubber layer, during the said vulcanization of rubber and said shell top connection and said shell lower contact connect and be one.
Said bondingly all realize through high-temp glue.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: through ceramic layer, frp layer and rubber layer are effectively combined; Form insulation crust high temperature resistant, high pressure; Both but satisfaction was answered the no magnetic insulation requirement of quasi-instrument to shell, satisfied again that self is high temperature resistant, the requirement of high pressure; Simultaneously, coil array inside does not need extra pressure balance mechanism without oiling yet; In logging Application; Not only can shorten tool length greatly, and the inner various pressure-containing members of coil array can remove also, simplify greatly because various installations, debugging and the maintenance process that oiling brings; Make installation, debugging and the maintenance work of induction logging instrument simpler, also greatly reduce the cost of instrument simultaneously.
Description of drawings
Fig. 1 is the shell mechanism sketch map that is used for induction logging instrument that provides in the embodiment of the invention;
Fig. 2 is the ceramic ring structural representation that provides in the embodiment of the invention;
Fig. 3 is the shell mechanism sectional drawing that is used for induction logging instrument that provides in the embodiment of the invention.
Among the figure:
1, shell top connection, 2, rubber layer, 3, frp layer, 4, ceramic layer, 5, the shell lower contact, 6, ceramic ring.
The specific embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
With reference to Fig. 1 and Fig. 3; Present embodiment provides a kind of shell that is used for induction logging instrument, comprises shell top connection 1, ceramic layer 4, frp layer 3, rubber layer 2 and shell lower contact 5, and shell top connection 1 is hollow-core construction with shell lower contact 5; Ceramic layer 4, frp layer 3 and rubber layer 2 are nested successively; Ceramic layer 4 is by ceramic ring 6 bonding the forming of a plurality of same sizes, and ceramic layer 4 is bonded between shell top connection 1 and the shell lower contact 5, and the toroidal cavity of ceramic layer 4 communicates with shell top connection 1 and the hollow of shell lower contact 5; Frp layer 3 is positioned on the ceramic layer 4; And be connected with shell lower contact 5 and shell top connection 1, rubber layer 2 is positioned on the frp layer 3, and is connected with shell lower contact 5 and shell top connection 1.
With reference to Fig. 2; The ceramic layer 4 of internal layer is to be closely bonded fixedly by the identical ceramic ring 6 usefulness high-temp glue of a plurality of specifications to form; Ceramic layer 4 outsides, ceramic layer 4 all scribble fluid sealant with the abutting edge of shell top connection 1 and the abutting edge of ceramic layer 4 and shell lower contact 5; High performance fluid sealant fully soaks into pottery has realized that insulation is connected; Ceramic layer 4 has that mechanical strength height, high temperature resistant, good insulation preformance, high-frequency loss are little, anti-thermal shock, electric strength advantages of higher, and technology is simple, easy to make, the wear-and corrosion-resistant performance is good, total quality light, help installing, and ceramic layer 4 is main to play the pressure-bearing supporting roles; Can improve the whole compressive property of housing effectively, thus the application life that more can improve shell; That the glass-reinforced plastic material that middle frp layer 3 is selected for use has is in light weight, intensity is high, corrosion-resistant, electrical insulation capability good, heat transfer is slow, good, the anti-instantaneous superhigh temperature performance of thermal insulation is good, can be through characteristics such as electromagnetic waves; Frp layer 3 is all bonding through high-temp glue with ceramic layer 4, shell top connection 1 and shell lower contact 5, mainly plays the sealing to instrument internal, the function of insulation bearing; Outer field rubber layer 2 is formed in outside the frp layer 3 for high temperature resistant, corrosion-resistant, wear-resisting natural rubber moulding, utilizes rubber that instrument is played protection buffering and sealing function, has realized the purpose of shell integral insulation simultaneously.
The shell that is used for induction logging instrument that present embodiment provides is through effectively combining ceramic layer, frp layer and rubber layer; Form insulation crust high temperature resistant, high pressure; Both but satisfaction was answered the no magnetic insulation requirement of quasi-instrument to shell, satisfied again that self is high temperature resistant, the requirement of high pressure; Simultaneously, coil array inside does not need extra pressure balance mechanism without oiling yet; In logging Application; Not only can shorten tool length greatly, and the inner various pressure-containing members of coil array can remove also, simplify greatly because various installations, debugging and the maintenance process that oiling brings; Make installation, debugging and the maintenance work of induction logging instrument simpler, also greatly reduce the cost of instrument simultaneously.
In order to mate with the specification of induction logging instrument; Make the shell of induction logging instrument can bear the pressure that is not less than 140MPa and have good shock resistance, shock resistance simultaneously; In embodiments of the present invention: ceramic ring 6 internal diameters are 54-80mm, and wall thickness is 10-20mm; Frp layer 3 is the sealed insulation glass fiber reinforced plastic of relative density between 1.5-2.0, and the thickness of frp layer 3 is 8-20mm; Rubber layer 2 thickness are 2-5mm.
With reference to Fig. 2, present embodiment provides a kind of enclosure designs scheme that is used for induction logging instrument, mainly may further comprise the steps:
Glass fiber reinforced plastic is wrapped in formation frp layer 3 on the said matrix, and frp layer 3 is the intermediate layer of shell, is the main load parts of shell pressurized, and said glass fiber reinforced plastic and ceramic layer 4, shell top connection 1 and shell lower contact 5 threes' contact position is all bonding;
The rubber moulding is formed in outside the frp layer 3 forms rubber layer 2, during the said vulcanization of rubber and shell top connection 1 and shell lower contact 5 connect and be one, have good shock resistance, damping performance, and also can realize positiver sealing between other each layer.
The enclosure designs scheme that is used for induction logging instrument that present embodiment provides; Through ceramic layer, frp layer and rubber layer are effectively combined; Form insulation crust high temperature resistant, high pressure; Both but satisfaction was answered the no magnetic insulation requirement of quasi-instrument to shell, satisfied again that self is high temperature resistant, the requirement of high pressure; Simultaneously, manufacture craft is simple, is beneficial to batch process, greatly reduces instrument cost.
In order to make each abutting edge reliable and effective bonding, each is bondingly all realized through high-temp glue in the embodiment of the invention.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. shell that is used for induction logging instrument; Comprise shell top connection and shell lower contact, said shell top connection and said shell lower contact are hollow-core construction, it is characterized in that; Also comprise the ceramic layer, frp layer and the rubber layer that are nested successively; Said ceramic layer forms by the ceramic ring of same size is bonding, and said ceramic layer is bonded between said shell top connection and the said shell lower contact, the toroidal cavity of said ceramic layer and said hollow communicating; Said frp layer is positioned on the said ceramic layer; And be connected with said shell lower contact and said shell top connection, said rubber layer is positioned on the said frp layer, and is connected with said shell lower contact and said shell top connection.
2. the shell that is used for induction logging instrument according to claim 1 is characterized in that, said ceramic ring internal diameter is 54-80mm, and wall thickness is 10-20mm.
3. the shell that is used for induction logging instrument according to claim 1 is characterized in that, said frp layer is the sealed insulation glass fiber reinforced plastic of relative density between 1.5-2.0, and the thickness of said frp layer is 8-20mm.
4. the shell that is used for induction logging instrument according to claim 1 is characterized in that, said rubber layer thickness is 2-5mm.
5. an enclosure designs scheme that is used for induction logging instrument is characterized in that, mainly may further comprise the steps:
With the bonding one-tenth ceramic layer of the ceramic ring of same size; One end and the shell top connection of said ceramic layer is bonding; The other end and the shell lower contact of said ceramic layer is bonding; Fluid sealant is coated in outside and each abutting edge of said ceramic layer, and said ceramic layer, said shell top connection and said shell lower contact form matrix;
Glass fiber reinforced plastic is wrapped on the said matrix forms frp layer, said glass fiber reinforced plastic and said ceramic layer, said shell top connection and said shell lower contact three's contact position is all bonding;
The rubber moulding is formed in outside the said frp layer forms rubber layer, during the said vulcanization of rubber and said shell top connection and said shell lower contact connect and be one.
6. a kind of enclosure designs scheme that is used for induction logging instrument according to claim 5 is characterized in that, said bondingly all realize through high-temp glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010587931.8A CN102562030B (en) | 2010-12-07 | 2010-12-07 | A kind of shell for induction logging instrument and method for designing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010587931.8A CN102562030B (en) | 2010-12-07 | 2010-12-07 | A kind of shell for induction logging instrument and method for designing thereof |
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| CN102562030A true CN102562030A (en) | 2012-07-11 |
| CN102562030B CN102562030B (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010587931.8A Active CN102562030B (en) | 2010-12-07 | 2010-12-07 | A kind of shell for induction logging instrument and method for designing thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291281A (en) * | 2013-06-07 | 2013-09-11 | 无锡市荣誉胶辊制造厂 | Pressure-bearing outer shell of petroleum well logging instrument |
| CN104165049A (en) * | 2014-08-07 | 2014-11-26 | 吴亚民 | High-strength composite pressure-bearing shell for petroleum logging instrument and preparation method of the high-strength composite pressure-bearing shell |
| CN105971517A (en) * | 2016-06-23 | 2016-09-28 | 中煤科工集团西安研究院有限公司 | Underground progressive gas pre-extraction and directional hole drilling system and method for broken and soft coal seam |
| CN107869347A (en) * | 2016-09-22 | 2018-04-03 | 中国石油天然气股份有限公司 | The manufacture method of connector for logging while drilling and orientation electrode plate structure |
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| WO2000013349A1 (en) * | 1998-08-26 | 2000-03-09 | Weatherford/Lamb, Inc. | Drill string telemetry with insulator between receiver and transmitter |
| CN2570456Y (en) * | 2002-09-28 | 2003-09-03 | 大庆石油管理局 | Logging instrumentation metal case insulating apparatus |
| US20050189029A1 (en) * | 2004-02-27 | 2005-09-01 | Fiberspar Corporation | Fiber reinforced spoolable pipe |
| CN200955390Y (en) * | 2006-09-26 | 2007-10-03 | 中国海洋石油总公司 | Inductive logging instrument |
| CN201110897Y (en) * | 2007-11-28 | 2008-09-03 | 杭州瑞利声电技术公司 | Eight side direction electrode |
| CN201301707Y (en) * | 2008-12-04 | 2009-09-02 | 中国海洋石油总公司 | A shell mounting device for induction logging tool |
| CN101749008A (en) * | 2010-01-26 | 2010-06-23 | 西安永兴科技发展有限公司 | Manufacturing method of insulation bearing shell of oil well logging instrument |
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2010
- 2010-12-07 CN CN201010587931.8A patent/CN102562030B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000013349A1 (en) * | 1998-08-26 | 2000-03-09 | Weatherford/Lamb, Inc. | Drill string telemetry with insulator between receiver and transmitter |
| CN2570456Y (en) * | 2002-09-28 | 2003-09-03 | 大庆石油管理局 | Logging instrumentation metal case insulating apparatus |
| US20050189029A1 (en) * | 2004-02-27 | 2005-09-01 | Fiberspar Corporation | Fiber reinforced spoolable pipe |
| CN200955390Y (en) * | 2006-09-26 | 2007-10-03 | 中国海洋石油总公司 | Inductive logging instrument |
| CN201110897Y (en) * | 2007-11-28 | 2008-09-03 | 杭州瑞利声电技术公司 | Eight side direction electrode |
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| CN101749008A (en) * | 2010-01-26 | 2010-06-23 | 西安永兴科技发展有限公司 | Manufacturing method of insulation bearing shell of oil well logging instrument |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291281A (en) * | 2013-06-07 | 2013-09-11 | 无锡市荣誉胶辊制造厂 | Pressure-bearing outer shell of petroleum well logging instrument |
| CN104165049A (en) * | 2014-08-07 | 2014-11-26 | 吴亚民 | High-strength composite pressure-bearing shell for petroleum logging instrument and preparation method of the high-strength composite pressure-bearing shell |
| CN105971517A (en) * | 2016-06-23 | 2016-09-28 | 中煤科工集团西安研究院有限公司 | Underground progressive gas pre-extraction and directional hole drilling system and method for broken and soft coal seam |
| CN107869347A (en) * | 2016-09-22 | 2018-04-03 | 中国石油天然气股份有限公司 | The manufacture method of connector for logging while drilling and orientation electrode plate structure |
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| Publication number | Publication date |
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| CN102562030B (en) | 2015-10-14 |
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