CN101906959A - One-way cooling device of down-hole drilling tester - Google Patents
One-way cooling device of down-hole drilling tester Download PDFInfo
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- CN101906959A CN101906959A CN2010102444719A CN201010244471A CN101906959A CN 101906959 A CN101906959 A CN 101906959A CN 2010102444719 A CN2010102444719 A CN 2010102444719A CN 201010244471 A CN201010244471 A CN 201010244471A CN 101906959 A CN101906959 A CN 101906959A
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Abstract
The invention discloses a one-way cooling device for a down-hole drilling tester, which mainly solves the problem of smaller temperature bearable range of the existing measurement-while-drilling tester. The invention is characterized in that an instrument bin (2) is arranged in the lower part of a vacuum tube (1), and the upper end of the instrument bin (2) is at least provided with a primary refrigerating plant; the cold surface of the refrigeration sheet (3) of the refrigerating plant is adhered to the upper end of the instrument bin (2), the upper end of the hot surface of the refrigeration sheet (3) is adhered to a heat pipe (4), and the upper end of the heat pipe (4) is connected with an insulation sleeve (10) the upper end of which is in threaded connection with a condenser pipe (6); and the condenser pipe (6) penetrates out of the vacuum tube (1) to be sheathed with cooling fins (5), temperature sensing sheets (7) are arranged in the instrument bin (2) and outside the condenser pipe (6), and the refrigeration sheet (3) and the temperature sensing sheets (7) are connected with a control circuit through wires. The one-way cooling device for the down-hole drilling tester has the characteristic of large temperature bearable range.
Description
Technical field:
The present invention relates to top, oil drilling field and drive used guide rail plate, especially one-way cooling device of down-hole drilling tester.
Background technology:
Along with the oil-gas exploration and development process,, require also more and more higher to well logging along with increasing of middle-deep well, ultradeep well and complicated well.At present, generally adopted in the drilling well field with survey technology with boring.Exactly tester is installed in the brill ship with boring with survey technology, with boring the ship G.I.H, in the process of drilling well, the down-hole technical data is entered on the tester, when changing drilling rod, tester is taken out, again the technical data that stores in the tester is derived, for construction technical staff provides manufacture bases.Downhole temperature increases and increases along with well depth, and the downhole testing instrument is too high owing to downhole temperature at present, supply of electric power is not enough, so there is not cooling system, can only completely cut off outside heat by heat-preserving container and pass to inside, but inner original paper heat is dispersed in the environment, the downhole testing instrument circuit can bearing temperature be 175 degree, be approximately about 5000m and test by can the go into the well degree of depth of test of this temperature computation, if adopt the well logging components and parts of 120 degree, the degree of depth of testing of going into the well is approximately 3500 meters, so just cause depth-logger limited greatly, and the electronic component cost of 175 degree exceeds about 10 times than common 120 degree element costs, causes cost to increase greatly, influences drilling efficiency and cost.
Summary of the invention:
For solve existing can the little problem of tolerance range with boring with surveying the tester temperature.The invention provides a kind of one-way cooling device of down-hole drilling tester.This one-way cooling device of down-hole drilling tester has the big characteristics of temperature tolerance range, and simple in structure, safe and reliable.
Technical scheme of the present invention is: this one-way cooling device of down-hole drilling tester comprises instrument storehouse, cooling piece and the heat pipe of vacuum tube, interior placement tester module, the instrument storehouse is by in the vacuum tube bottom that vacuumizes in being threaded in, and the instrument storehouse has the one-level refrigerating plant at least outside the upper end;
Described refrigerating plant comprises cooling piece, heat pipe and condensation pipe, the huyashi-chuuka (cold chinese-style noodles) of cooling piece and the outer adhesion mutually in upper end, instrument storehouse, the hot side upper end and the heat pipe adhesion mutually of cooling piece are filled with cold-producing medium in the heat pipe, the heat pipe upper end is by the collet that has been threaded, and the collet upper end is by the condensation pipe that has been threaded;
Condensation pipe is with fin outward after passing vacuum tube, is equipped with the temperature sense sheet outward with condensation pipe in the instrument storehouse, and cooling piece is connected with control circuit by lead with the temperature sense sheet.
Be positioned in the such scheme and be with the instrument heat-preserving container outside the instrument storehouse; Be positioned at the instrument storehouse and be outside equipped with the heat-preserving container wiper block.
Invention has following beneficial effect: this one-way cooling device of down-hole drilling tester is owing to adopt connection instrument storehouse in the vacuum tube bottom, the instrument storehouse has the one-level refrigerating plant at least outside the upper end, the huyashi-chuuka (cold chinese-style noodles) of the cooling piece of refrigerating plant and the outer adhesion mutually in upper end, instrument storehouse, the hot side upper end and the heat pipe adhesion mutually of cooling piece, be filled with cold-producing medium in the heat pipe, the heat pipe upper end is by the collet that has been threaded, the collet upper end is by the condensation pipe that has been threaded, condensation pipe is with fin outward after passing vacuum tube, in the instrument storehouse and condensation pipe be equipped with the temperature sense sheet outward, cooling piece and temperature sense sheet are by the lead structure that is connected with control circuit.Utilize heat absorption and the thermal conductivity of exothermic character and heat pipe and the good isothermal of cooling piece, heat in the instrument storehouse is shifted out, temperature in the instrument storehouse is remained in the design temperature requirement, because what adopt is heat pipe, as long as evaporated liquor does not flow to condensation end, outside heat just can't oppositely be returned to the instrument storehouse, thereby reaches the purpose that individual event is conducted heat.Thereby it is big to have increased tester circuit module temperature tolerance range, has also just increased drilling depth.This one-way cooling device of down-hole drilling tester has the big characteristics of temperature tolerance range thus, and simple in structure, safe and reliable.This one-way cooling device of down-hole drilling tester adopts 3 grades of refrigerating plants, but the temperature tolerance range is 230 degree, reduces being applicable to 7000 meters left and right sides well depths.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 be among Fig. 1 I to local amplification profile.
1-vacuum tube 1 among the figure, 2-instrument storehouse, 3-cooling piece, 4-heat pipe, 5-fin, 6-condensation pipe, 7-temperature sense sheet, 8-instrument heat-preserving container, 9-wiper block, 10-collet, 11-tester.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
By Fig. 1 in conjunction with shown in Figure 2, this one-way cooling device of down-hole drilling tester comprises instrument storehouse 2, cooling piece 3 and the heat pipe 4 of vacuum tube 1, interior placement tester 11 modules, vacuum tube 1 is formed by being threaded by two joints up and down, connect and be evacuated in it, make external temperature guarantee that temperature is not subjected to externally temperature influence in the vacuum tube 1 to conducted inside.
Instrument storehouse 2 is used for putting tester 11 circuit modules.Instrument storehouse 2 places in vacuum tube 1 bottom, and by being threaded on 1 time joint of vacuum tube, the instrument storehouse 2 outer instrument heat-preserving containers 8 that are with, further reduce the influence of external temperature by instrument heat-preserving container 8 to tester 11 circuit modules, the 2 outer adhesions of instrument storehouse have heat-preserving container wiper block 9, guarantee the stability of instrument storehouse 2 build-in test instruments, 11 circuit modules by heat-preserving container wiper block 9.Two-stage or the above refrigerating plant of two-stage are arranged outside 2 upper ends, instrument storehouse, each grade refrigerating plant comprises cooling piece 3, heat pipe 4 and condensation pipe 6, adopt the electronic cooling sheet 3 of existing mature technology, cooling piece 3 has cold, hot side, utilize the semiconductor junction of cooling piece 3 to make, this electronic cooling sheet 3 is existing procucts, one end is the hot junction, one end is a cold junction, if characteristic functions can make hot-side temperature raise for add rated voltage to this cooling piece, cold junction temperature reduces, when electric current passes through P by N, electric field makes electronics among the N and the hole reverse flow among the P, the energy that they produce is from the heat energy of lattice, then on flow deflector, absorb heat, and in other end heat release, produce the temperature difference, about about 60 degree of the temperature difference.Adhesion mutually outside the huyashi-chuuka (cold chinese-style noodles) of first order cooling piece 3 and 2 upper ends, instrument storehouse, adopt the silica gel adhesion more to help heat radiation, the hot side upper end and heat pipe 4 adhesion mutually of first order cooling piece 3, heat pipe 4 belongs to a kind of existing mature technology heat transfer element, and heat pipe 4 can be directly customized according to designing requirement.It has made full use of the Rapid Thermal hereditary property of heat-conduction principle and refrigeration filling, the conduction of heat of this kind evaporative heat loss mode is higher about 1000 times than ordinary hot conduction efficiency, transmit heat by the evaporation of liquid in the Totally enclosed vacuum pipe with condensing, so just the heat on the cooling piece 3 is conducted, evaporative medium calculates according to the principle of heat pipe 4 and is approximately about 20% of volume.Be filled with alcohol in the heat pipe 4, perhaps other suitable evaporative mediums, the alcohol in the heat pipe 4 receive the heat that cooling piece 3 hot sides transmit, thereby make the alcohol in it be subjected to thermal evaporation, and alcohol steam enters in the condensation pipe of first order refrigerating plant 6.6 adhesions mutually in the huyashi-chuuka (cold chinese-style noodles) of the cooling piece 3 of second level refrigerating plant and the condensation pipe of first refrigerating plant, heat pipe 4 adhesion mutually of the hot side of the cooling piece 3 of second level refrigerating plant and first order refrigerating plant.If have the above refrigerating plant of two-stage, connected mode is identical therewith.So just can pass through cooling piece 3, heat pipe 4 and condensation pipe 6 heat is upwards transmitted, the heat in the instrument storehouse 2 shifts out the most at last, reaches the purpose of the temperature that reduces tester 11 circuit modules.Outside heat pipe 4 upper ends by the collet 10 that has been threaded, in collet 10 upper ends by the condensation pipe 6 that has been threaded, heat pipe 4 is formed a vacuum chamber with the evaporation ends of condensation pipe 6, the evaporation of alcohol is condensed at the condensation end of condensation pipe 6 in the heat pipe 4, makes tester 11 circuit modules pierce darker with boring ship.Again by the collet 10 that has been threaded, again by the condensation pipe 6 that has been threaded, can connect the one-level refrigerating plant again in collet 10 upper ends outside heat pipe 4 upper ends, so just reduce the temperature of tester 11 circuit modules fully with this.Can also set up refrigerating plant according to the design well depth, reach tester 11 circuit module temperature design and require for this reason.Afterbody refrigerating plant condensation pipe 6 passes outside vacuum tube 1 back and is with fin 5, by fin 5 heat is conducted to drilling fluid, takes back ground.Be equipped with temperature sense sheets 7 in the instrument storehouse 2 and outside the condensation pipe 6, coordinate all cooling piece 3 switch work of control by temperature sense sheet 7, if the vacuum zone temperature is higher than the condensation temperature of medium in the condensation pipe 6, the cooling piece 3 cooling condensation pipes 6 that then start this condensation top make the medium condensation, make the medium evaporation in cooling piece 3 hot junctions simultaneously, take away the heat in the vacuum zone.Cooling piece 3 is connected with control circuit by lead with temperature sense sheet 7, and control circuit can be installed in the instrument storehouse 2, provides temperature signal in the instrument storehouse 2 by temperature sense sheet 7 for control circuit, coordinates all cooling piece 3 opening and closing of control by control circuit again.
Practical work process: the tester 11 that will need to cool off is packed in the instrument storehouse 2 of customization and is connected with refrigerating plant, set the maintenance temperature range in instrument storehouse 2 on ground, the brill ship of packing into, go into the well with boring ship, power by the down-hole turbine generator at the down-hole refrigerating plant, when instrument storehouse 2 increases with drilling depth and tester 11 operation heatings, temperature raises in the instrument storehouse 2, when temperature is elevated to design temperature 80-100 and spends, when surpassing design temperature in the instrument storehouse 2, temperature sense sheet 7 is temperature signal in control circuit sends instrument storehouse 2, coordinating all cooling pieces 3 of control by control circuit starts, by the cooling piece 3 of first order refrigerating plant with in the unidirectional from bottom to top heat pipe 4 of transferring to first order refrigerating plant of the heat in instrument storehouse 2, enter in the condensation pipe 6 of first order refrigerating plant with heat after the alcohol volatilization in the heat pipe 4 of first order refrigerating plant, heat in the condensation pipe 6 of first order refrigerating plant is given in the heat pipe 4 of second level refrigerating plant by cooling piece 3 conduction of second level refrigerating plant again, enter in the condensation pipe 6 of second level refrigerating plant with heat again after the alcohol volatilization in the heat pipe 4 of second level refrigerating plant, heat upwards transmits successively until passing to fin 5 again in the condensation pipe 6 of second level refrigerating plant, and heat is delivered to outside mud the most at last, with mud heat is taken away.The unidirectional from bottom to top transfer of heat with instrument storehouse 2 of the heat in instrument storehouse 2 is walked thus.When temperature in the instrument storehouse 2 drops in the scope of setting, to coordinate all cooling pieces 3 of control by control circuit and close, cooling piece 3 quits work, and at this moment the heat-preserving container 5 by instrument storehouse 2 is incubated.Outside heat is not owing to there being evaporated liquor, so can not reversely import in the instrument room.This process is gone round and begun again.
These cooling piece 3 temperature tolerance ranges are 230 degree, can reach about 7000 meters of down-holes by this temperature computation.
In sum, this one-way cooling device of down-hole drilling tester utilizes heat absorption and the thermal conductivity of exothermic character and heat pipe 4 and the good isothermal of cooling piece 3, heat in the instrument storehouse 2 is shifted out step by step, temperature in the instrument storehouse 2 is remained in the design temperature requirement, owing to be heat pipe 4, as long as evaporated liquor does not flow to condensation end, outside heat just can't oppositely be returned to instrument storehouse 2, thereby reaches the purpose that individual event is conducted heat.Thereby it is big to have increased tester circuit module temperature tolerance range, has also just increased drilling depth, and structure and simple to operate, and cost is low, and is safe and reliable.
Claims (3)
1. one-way cooling device of down-hole drilling tester, the instrument storehouse (2), cooling piece (3) and the heat pipe (4) that comprise vacuum tube (1), interior placement tester (11) module, it is characterized in that: instrument storehouse (2) have the one-level refrigerating plant by in vacuum tube (1) bottom that vacuumizes in being threaded at least outside instrument storehouse (2) upper end;
Described refrigerating plant comprises cooling piece (3), heat pipe (4) and condensation pipe (6), the huyashi-chuuka (cold chinese-style noodles) of cooling piece (3) and the outer adhesion mutually in instrument storehouse (2) upper end, the hot side upper end and heat pipe (4) adhesion mutually of cooling piece (3), heat pipe is filled with cold-producing medium in (4), heat pipe (4) upper end is by the collet that has been threaded (10), and collet (10) upper end is by the condensation pipe that has been threaded (6);
Condensation pipe (6) passes the outer fin (5) that is with in vacuum tube (1) back, is equipped with temperature sense sheet (7) in instrument storehouse (2) and outside the condensation pipe (6), and cooling piece (3) is connected with control circuit by lead with temperature sense sheet (7).
2. one-way cooling device of down-hole drilling tester according to claim 1 is characterized in that: be positioned at the outer instrument heat-preserving container (8) that is with in instrument storehouse (2).
3. one-way cooling device of down-hole drilling tester according to claim 2 is characterized in that: be positioned at instrument storehouse (2) and be outside equipped with heat-preserving container wiper block (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102444719A CN101906959A (en) | 2010-08-04 | 2010-08-04 | One-way cooling device of down-hole drilling tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102444719A CN101906959A (en) | 2010-08-04 | 2010-08-04 | One-way cooling device of down-hole drilling tester |
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| CN101906959A true CN101906959A (en) | 2010-12-08 |
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| CN2010102444719A Pending CN101906959A (en) | 2010-08-04 | 2010-08-04 | One-way cooling device of down-hole drilling tester |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942988A (en) * | 2010-09-06 | 2011-01-12 | 北京天形精钻科技开发有限公司 | One-way cooling device of well-drilling underground tester |
| CN102840706A (en) * | 2012-09-14 | 2012-12-26 | 山东省科学院海洋仪器仪表研究所 | Refrigerating device for adjusting temperature of working environment of well measuring instrument |
| CN102900397A (en) * | 2012-10-24 | 2013-01-30 | 中国石油天然气股份有限公司 | Underground semiconductor refrigerating device |
| CN105823272A (en) * | 2016-03-16 | 2016-08-03 | 王少斌 | Refrigerating device for downhole instruments |
| CN106609666A (en) * | 2015-10-27 | 2017-05-03 | 北京环鼎科技有限责任公司 | A metal heat insulation device for a logging instrument for small boreholes with high temperature and high pressure |
| CN107178929A (en) * | 2017-05-18 | 2017-09-19 | 西安交通大学 | A kind of underground semiconductor refrigerating heat pump assembly |
| CN107178930A (en) * | 2017-05-24 | 2017-09-19 | 彭波涛 | A kind of active downhole gauges heat management system and method |
| CN109798089A (en) * | 2019-01-21 | 2019-05-24 | 中国石油集团工程技术研究院有限公司 | One kind is with brill electric circuit in well Stirling active cooling system and method |
| CN110087439A (en) * | 2019-04-28 | 2019-08-02 | 中国石油集团渤海钻探工程有限公司 | Downhole instrument electronic cooling cooling system |
| CN110374580A (en) * | 2019-08-14 | 2019-10-25 | 宏华油气工程技术服务（四川）有限公司 | A kind of instrument cooling device |
-
2010
- 2010-08-04 CN CN2010102444719A patent/CN101906959A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942988A (en) * | 2010-09-06 | 2011-01-12 | 北京天形精钻科技开发有限公司 | One-way cooling device of well-drilling underground tester |
| CN102840706A (en) * | 2012-09-14 | 2012-12-26 | 山东省科学院海洋仪器仪表研究所 | Refrigerating device for adjusting temperature of working environment of well measuring instrument |
| CN102900397A (en) * | 2012-10-24 | 2013-01-30 | 中国石油天然气股份有限公司 | Underground semiconductor refrigerating device |
| CN102900397B (en) * | 2012-10-24 | 2015-04-08 | 中国石油天然气股份有限公司 | Underground semiconductor refrigerating device |
| CN106609666A (en) * | 2015-10-27 | 2017-05-03 | 北京环鼎科技有限责任公司 | A metal heat insulation device for a logging instrument for small boreholes with high temperature and high pressure |
| CN105823272B (en) * | 2016-03-16 | 2018-06-05 | 王少斌 | A kind of refrigerating plant for downhole instrument |
| CN105823272A (en) * | 2016-03-16 | 2016-08-03 | 王少斌 | Refrigerating device for downhole instruments |
| CN107178929A (en) * | 2017-05-18 | 2017-09-19 | 西安交通大学 | A kind of underground semiconductor refrigerating heat pump assembly |
| CN107178930A (en) * | 2017-05-24 | 2017-09-19 | 彭波涛 | A kind of active downhole gauges heat management system and method |
| CN107178930B (en) * | 2017-05-24 | 2019-10-29 | 彭波涛 | A kind of active downhole gauges heat management system and method |
| CN109798089A (en) * | 2019-01-21 | 2019-05-24 | 中国石油集团工程技术研究院有限公司 | One kind is with brill electric circuit in well Stirling active cooling system and method |
| CN110087439A (en) * | 2019-04-28 | 2019-08-02 | 中国石油集团渤海钻探工程有限公司 | Downhole instrument electronic cooling cooling system |
| CN110374580A (en) * | 2019-08-14 | 2019-10-25 | 宏华油气工程技术服务（四川）有限公司 | A kind of instrument cooling device |
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Application publication date: 20101208 |