CN102748009A - High-temperature-resistant protective sleeve for probe tube, and manufacturing and application methods thereof - Google Patents
High-temperature-resistant protective sleeve for probe tube, and manufacturing and application methods thereof Download PDFInfo
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- CN102748009A CN102748009A CN2012102312687A CN201210231268A CN102748009A CN 102748009 A CN102748009 A CN 102748009A CN 2012102312687 A CN2012102312687 A CN 2012102312687A CN 201210231268 A CN201210231268 A CN 201210231268A CN 102748009 A CN102748009 A CN 102748009A
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Abstract
The invention relates to a high-temperature-resistant protective sleeve for a probe tube, and manufacturing and application method thereof. The protective sleeve comprises a thermal insulation barrel, a refrigeration barrel and a connector, wherein the thermal insulation barrel is in an inner/outer barrel double-layer structure, one end is opened, and the other end is sealed; the sealed end is provided with a guide groove; one end of the probe tube is installed in the cavity of the thermal insulation barrel through the guide groove; the refrigeration barrel is also in a double-layer structure, a slotting isolation heat conduction plate with a seam is arranged in the cavity of the refrigeration barrel to separate the cavity of the refrigeration barrel into two sub-cavities, and a chemical refrigeration agent for refrigeration reaction is respectively arranged in the two sub-cavities; the connector connects the thermal insulation barrel with the refrigeration barrel, and the joint is sealed by a sealing element; the center of a heat insulation interlayer joint of the connector is provided with a heat conduction link; and one end of the heat conduction link adjacent to the inner barrel of the thermal insulation barrel is provided with a probe tube fixing head, and the other end of the heat conduction link abuts against the slotting isolation heat conduction plate. The high-temperature-resistant sleeve has the advantages of simple structure, simple manufacturing and application methods, recoverability and low cost, and thus, has favorable popularization prospects.
Description
Technical field
The present invention relates to a kind of high temperature resistance protection sleeve and making and method for using of inserting tube; Specifically relate to a kind of employing heat-barrier material and vacuum heat-insulation technology; And the chemical reaction of utilization heat absorption cools off; Thereby make inserting tube have sleeve and the making and the method for using of high temperature resistant property, belong to oil, logging tool field, ore deposit.
Background technology
In the well logging process, need will be equipped with at the bottom of the inserting tube lower going-into-well of measuring element, measure well trajectory parameters and geologic parameter.Because the employed main sensors of measuring element in the inserting tube is very strong to temperature sensitivity, homemade sensor requires serviceability temperature not to be higher than 125 ℃, and simultaneously, hot environment is prone to produce the problems such as drift of data, causes certainty of measurement impaired.With regard to As-Is, in the well logging of oil deep-well, bottom hole temperature (BHT) can require inserting tube to possess high-temperature resistance up to more than 200 ℃.Although and employed pyrostat restricts export to China in the existing production of minority developed country in the measuring element, China can't obtain from market.Face as above problem; The scheme that homemade logger is taked to high temperature well is simply to utilize heat-preservation cylinder to delay the speed that the inserting tube interior environment temperature rises; Though can prolong the activity duration of inserting tube to a certain extent in the down-hole, inserting tube in the down-hole service time still on the low side.
Summary of the invention
One of the object of the invention is to homemade inserting tube problem of operate as normal lastingly under the deep-well hot environment; And provide a kind of simple in structure, manufacturing cost and use cost is cheap; Adopt the exchange heat of isolated inserting tube of heat-barrier material and vacuum technique and down-hole environment of living in, utilize chemical refrigerant to reduce the high temperature resistance protection sleeve of a kind of inserting tube of inserting tube internal temperature simultaneously; Two of the object of the invention provides the making and the method for using of the simple inserting tube high temperature resistance of a kind of operating procedure protection sleeve.
In order to achieve the above object, the present invention adopts following technical scheme to realize, a kind of inserting tube high temperature resistance protection sleeve is provided, and comprises heat-preservation cylinder, refrigeration tube and jointing;
Described heat-preservation cylinder is made up of heat-preservation cylinder urceolus and heat-preservation cylinder inner core; Heat-preservation cylinder is an end opening; Other end sealing; The inside and outside tube of heat-preservation cylinder surrounds the heat-preservation cylinder vacuum chamber jointly, does not have in the heat-preservation cylinder vacuum chamber and fills or be filled with loose heat insulating material, in order to the conduction pathway of isolated subsurface environment and heat-preservation cylinder inner core heat; Described heat-preservation cylinder inner core chamber is the heat-preservation cylinder chamber, and the sealed end of heat-preservation cylinder chamber is provided with gathering sill, and an end of inserting tube is placed in the heat-preservation cylinder chamber through gathering sill;
Described refrigeration tube is made up of refrigeration tube urceolus and refrigeration tube inner core; It also is an end opening; The double tubular structure of other end sealing, the inside and outside tube of refrigeration tube surrounds refrigeration tube vacuum chamber jointly, does not have in the refrigeration tube vacuum chamber to fill or have and fills loose heat insulating material; Refrigeration tube inner core chamber is refrigeration tube chamber; Be provided with the slot that has the slit in the refrigeration tube chamber and isolate heat-conducting plate; Described slot is isolated the heat-conducting plate tube chamber that will freeze and is divided into two sub-chambers, and in described two sub-chambers, placement will be participated in the chemical refrigerant that freezes and react;
Described jointing is followed successively by urceolus joint, insulating sandwich joint and the heat conduction connecting rod of being close to each other from outside to inside; Described urceolus joint two ends are respectively equipped with convenient screw thread and the seal groove that connects, and urceolus joint one end adopts screw thread and big seal to link to each other with the heat-preservation cylinder urceolus, and the other end also adopts screw thread and big seal to link to each other with refrigeration tube urceolus; Insulating sandwich joint one end of described jointing links to each other with the heat-preservation cylinder inner core, and the other end links to each other with refrigeration tube inner core, and little seal sealing is all adopted in the junction; Insulating sandwich joint center is provided with the heat conduction connecting rod; One end of the nearly heat-preservation cylinder inner core of described heat conduction connecting rod is provided with the inserting tube fixing head, and the other end of heat conduction connecting rod is close to slot and is isolated heat-conducting plate.
Described refrigeration tube urceolus, heat-preservation cylinder urceolus, urceolus joint, inserting tube fixing head and heat conduction connecting rod all adopt the non-magnetic high-strength material of stronger nonmagnetic steel of heat conductivility or copper class.
Described refrigeration tube inner core, heat-preservation cylinder inner core, insulating sandwich joint all adopt the hard insulating material of the good PP type of machining property to make.Described slot is isolated heat-conducting plate except the effect with control refrigeration, also plays the effect that realizes heat-preservation cylinder chamber and the chamber interchange of heat of refrigeration tube inner chamber quickly.
The present invention also provides a kind of and has made and the method for using inserting tube high temperature resistance protection sleeve, operation as follows:
⑴, the non-magnetic high-strength material heat-preservation cylinder urceolus that adopts nonmagnetic steel or copper class, refrigeration tube urceolus, urceolus joint, inserting tube fixing head and heat conduction connecting rod;
⑵, adopt the hard insulating material of the good PP type of machining property to make heat-preservation cylinder inner core, a refrigeration tube inner core, insulating sandwich joint;
⑶, between the inside and outside tube of heat-preservation cylinder, do not have and fill or fill loose heat insulating material, the inner/outer tube of heat-preservation cylinder is sealed synchronously, be evacuated then; Between the inside and outside tube of refrigeration tube, do not have equally and fill or fill loose heat insulating material, same airtight and be evacuated;
⑷, the inserting tube of needs being delivered to underground work are got into by the openend of heat-preservation cylinder, and inserting tube is led to inserting tube by gathering sill, inserting tube is fixed on the inserting tube fixing head of jointing, and adopts wiper block that inserting tube is set upright between two parties;
⑸, in the seal groove of the jointing end that links to each other with heat-preservation cylinder, correspondingly put large and small seal, heat-preservation cylinder and jointing are tightened in rotation;
⑹, the chemical refrigerant of heterogeneity is divided into two groups prepares respectively, after inserting tube is fixed to the inserting tube fixing head, the chemical refrigerant of two groups of heterogeneities, mutually reactive is poured into the refrigeration tube respectively and isolate in two sub-chambers that heat-conducting plate keeps apart by slot;
⑺, place big seal, little seal respectively at the other end of jointing; Be rotatably connected joint with tighten with freeze the tube be connected; The integrality of inspection inserting tube high temperature resistance sleeve assembling, and will accomplish the inserting tube high temperature resistance sleeve of assembling rapidly and use with boring the input down-hole;
, when the chemical refrigerant approach exhaustion, during the inserting tube cisco unity malfunction, the tube that only needs freeze unloads, and reloads chemical refrigerant, realizes repeated use.
Chemical refrigerant of the present invention contains Disodium sulfate decahydrate and ammonium nitrate, or Disodium sulfate decahydrate and ammonium sulfate, or crystals of sodium carbonate and ammonium nitrate.After each composition of described chemical refrigerant mixed, its reaction needs absorbed great amount of heat energy, can be the peripheral environment cooling of inserting tube; The chemical refrigerant of choosing simultaneously also should be avoided the refrigeration tube is had a negative impact.
Chemical refrigerant of the present invention is isolated slit quantity and the gap length that is provided with on the heat-conducting plate through the adjustment slot, controls the chemical refrigerant mixing velocity between two sub-chambers, and then the control chemical reaction velocity.After the inserting tube work, isolate heat-conducting plate through inserting tube fixing head, heat conduction connecting rod and slot, the refrigeration tube carries out interchange of heat with inserting tube.
The high temperature resistance protection sleeve of inserting tube of the present invention and making thereof and method for using have following beneficial effect:
1, the high temperature resistance protection sleeve of inserting tube of the present invention; Adopt kinds of schemes such as heat insulating material, vacuum technique and endothermic chemical reaction to realize heat insulation and heat control; Keep the environment of inserting tube work jointly, make the inserting tube temperature be in normal level, prolong the time of inserting tube single in underground work.
2, the high temperature resistance protection sleeve of inserting tube of the present invention is simple in structure, and inserting tube high temperature resistance sleeve is made up of heat-preservation cylinder, refrigeration tube and jointing, when the chemical refrigerant approach exhaustion; Inserting tube work is about to when undesired; The tube that only needs to freeze unloads, and reloads chemical refrigerant and gets final product, and is simple to operate.
3, the high temperature resistance protection sleeve manufacturing cost and use cost of inserting tube of the present invention is cheap, is fit to great majority with the demand of boring operation, has good popularizing application prospect.
Description of drawings
Fig. 1 is the generalized section of the high temperature resistance protection sleeve of inserting tube of the present invention.
Fig. 2 is for being the generalized section of high temperature resistance protection sleeve of the inserting tube of 90 degree angles with Fig. 1.
Fig. 3 is the schematic cross-section of the high temperature resistance protection sleeve A-A of inserting tube among Fig. 2.
Fig. 4 is the schematic cross-section of the high temperature resistance protection sleeve B-B of inserting tube among Fig. 2.
Fig. 5 is the schematic cross-section of the high temperature resistance protection sleeve C-C of inserting tube among Fig. 2.
Among the above-mentioned figure: 1-refrigeration tube urceolus; 2-refrigeration tube inner core; 3-refrigeration tube chamber; 4-refrigeration tube vacuum chamber; The 5-slot is isolated heat-conducting plate; 6-urceolus screw thread; The big seal of 7-; 8-urceolus joint; 9-heat-preservation cylinder vacuum chamber; The 10-inserting tube; 11-heat-preservation cylinder urceolus; 12-heat-preservation cylinder inner core; The 13-gathering sill; The 14-wiper block; 15-heat-preservation cylinder chamber; 16-inserting tube fixing head; 17-insulating sandwich joint; 18-heat conduction connecting rod; The 19-slit; The little seal of 20-; The 21-joint screw thread.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the high temperature resistance protection sleeve of inserting tube of the present invention and making thereof and method for using are done further to detail.
Embodiment 1: the high temperature resistance protection sleeve of a kind of inserting tube of the present invention, its structure comprise heat-preservation cylinder, refrigeration tube and jointing like Fig. 1, shown in 2; Described heat-preservation cylinder is made up of heat-preservation cylinder urceolus 11 and heat-preservation cylinder inner core 12, and heat-preservation cylinder is an end opening, other end sealing.Inside and outside tube referring to Fig. 5 heat-preservation cylinder surrounds heat-preservation cylinder vacuum chamber 9 jointly, and no packing material in the heat-preservation cylinder vacuum chamber 9 is evacuated in order to the conduction pathway of isolated subsurface environment and heat-preservation cylinder inner core 12 heats; Described heat-preservation cylinder inner core chamber is a heat-preservation cylinder chamber 15, and the sealed end of heat-preservation cylinder chamber is provided with gathering sill 13, and an end of inserting tube 10 is placed in the heat-preservation cylinder chamber 15 through gathering sill 13.
Described refrigeration tube is made up of refrigeration tube urceolus 1 and refrigeration tube inner core 2, also is an end opening, the double tubular structure of other end sealing, and the inside and outside tube of refrigeration tube surrounds refrigeration tube vacuum chamber 4 jointly, no packing material in the refrigeration tube vacuum chamber 4; Refrigeration tube inner core chamber is refrigeration tube chamber 3; Be provided with the slot that has slit 19 in the refrigeration tube chamber 3 and isolate heat-conducting plate 5; Referring to Fig. 3, described slot is isolated heat-conducting plate 5 chamber that will freeze and is divided into two sub-chambers, in two sub-chambers, places chemical refrigerant respectively.
Referring to Fig. 4, described jointing is followed successively by urceolus joint 8, insulating sandwich joint 17 and the heat conduction connecting rod of being close to each other for one 18 from outside to inside; Described urceolus joint 8 two ends are respectively equipped with convenient screw thread 6 and the seal groove that connects, and urceolus joint 8 one ends adopt screw thread and big seal 7 to link to each other with heat-preservation cylinder urceolus 11, and the other end also adopts screw thread and big seal to link to each other with refrigeration tube urceolus 1; Insulating sandwich joint 17 1 ends of described jointing adopt joint screw thread 21 to link to each other with heat-preservation cylinder inner core 12, and the other end links to each other with refrigeration tube inner core 2, and little seal 20 sealings are all adopted in the junction; Insulating sandwich joint 17 centers are provided with heat conduction connecting rod 18; One end of the nearly heat-preservation cylinder inner core 12 of described heat conduction connecting rod is provided with inserting tube fixing head 16, and the other end of heat conduction connecting rod 18 is close to slot and is isolated heat-conducting plate 5.
Described refrigeration tube urceolus 1, heat-preservation cylinder urceolus 11, urceolus joint 8, inserting tube fixing head 16 and heat conduction connecting rod 18 all adopt the nonmagnetic steel material, and described nonmagnetic steel material has stronger heat conductivility.
Described refrigeration tube inner core 2, heat-preservation cylinder inner core 12 and insulating sandwich joint 17 all adopt machining property, and good polyacrylic hard insulating material is made.
Embodiment 2: a kind of inserting tube high temperature resistance sleeve of the present invention; Its basic structure such as embodiment 1; Different is in the refrigeration tube vacuum chamber 4, all is filled with a small amount of loose heat insulating material in the heat-preservation cylinder vacuum chamber 9, in order to the conduction pathway of isolated subsurface environment with refrigeration tube, heat-preservation cylinder inner core heat; Next is the non-magnetic high-strength material that refrigeration tube urceolus 1, heat-preservation cylinder urceolus 11, urceolus joint 8, inserting tube fixing head 16 and heat conduction connecting rod 18 all adopt the copper class.
Embodiment 3: make and the method for using the embodiment of the invention 1 inserting tube high temperature resistance sleeve, as follows operation:
⑴, employing high-intensity non-magnetic steel are made heat-preservation cylinder urceolus 11, a refrigeration tube urceolus 1, urceolus joint 8, inserting tube fixing head 16 and heat conduction connecting rod 18;
⑵, adopt the hard insulating material of the good PP type of machining property to make heat-preservation cylinder inner core 12, a refrigeration tube inner core 2, insulating sandwich joint 17;
, between the inside and outside tube of heat-preservation cylinder fill insulant material not, the inner/outer tube of heat-preservation cylinder is sealed synchronously, be evacuated then; Also packing material not between the inside and outside tube of refrigeration tube equally, same airtight and be evacuated;
Described ⑴, ⑵, ⑶ accomplish in the processing factory of standard;
⑷, the inserting tube 10 of needs being delivered to underground work are got into by the openend of heat-preservation cylinder, by 13 pairs of inserting tubes of gathering sill, 10 guiding, inserting tube are fixed on the inserting tube fixing head 16 of jointing, and adopt 14 pairs of inserting tubes 10 of wiper block to set upright between two parties;
⑸, in the seal groove of the jointing end that links to each other with heat-preservation cylinder, correspondingly put big seal 7 and little seal 20, heat-preservation cylinder and jointing are tightened in rotation;
⑹, the chemical refrigerant of heterogeneity is divided into two groups prepares respectively; After inserting tube 10 is fixed to inserting tube fixing head 16,, pours into the refrigeration tube respectively like Disodium sulfate decahydrate and ammonium nitrate and isolate in two sub-chambers that heat-conducting plate 5 keeps apart by slot with the chemical refrigerant of two groups of heterogeneities, mutually reactive;
⑺, place big seal 7, little seal 20 respectively at the other end of jointing; Be rotatably connected joint with tighten with freeze the tube be connected; The integrality of inspection inserting tube high temperature resistance sleeve assembling, and will accomplish the inserting tube high temperature resistance sleeve of assembling rapidly and use with boring the input down-hole;
, when the chemical refrigerant approach exhaustion, during the inserting tube cisco unity malfunction, the tube that only needs freeze unloads, and reloads chemical refrigerant, realizes reusing the reduction use cost.
Quantity and gap length that chemical refrigerant of the present invention is isolated the slit 19 that is provided with on the heat-conducting plate 5 through the adjustment slot are controlled the chemical refrigerant mixing velocity between two sub-chambers, and then the control chemical reaction velocity.After inserting tube 10 work, isolate heat-conducting plate 5, promote the refrigeration tube to carry out interchange of heat, to prolong the working environment that inserting tube has suitable temperature with inserting tube through inserting tube fixing head 16, heat conduction connecting rod 18 and slot.
Inserting tube high temperature resistance tube-in-tube structure of the present invention is simple, and the method for manufacture and use thereof of sleeve is also easy, and is reusable, with low cost, has good popularizing application prospect.
Claims (6)
1. the high temperature resistance protection sleeve of an inserting tube; Comprise heat-preservation cylinder, refrigeration tube and jointing, it is characterized in that: described heat-preservation cylinder is made up of heat-preservation cylinder urceolus and heat-preservation cylinder inner core, and heat-preservation cylinder is an end opening; Other end sealing; The inside and outside tube of heat-preservation cylinder surrounds the heat-preservation cylinder vacuum chamber jointly, does not have in the heat-preservation cylinder vacuum chamber and fills or be filled with loose heat insulating material, in order to the conduction pathway of isolated subsurface environment and heat-preservation cylinder inner core heat; Described heat-preservation cylinder inner core chamber is the heat-preservation cylinder chamber, and the sealed end of heat-preservation cylinder chamber is provided with gathering sill, and an end of inserting tube is placed in the heat-preservation cylinder chamber through gathering sill;
Described refrigeration tube is made up of refrigeration tube urceolus and refrigeration tube inner core; It also is an end opening; The double tubular structure of other end sealing, the inside and outside tube of refrigeration tube surrounds refrigeration tube vacuum chamber jointly, does not have in the refrigeration tube vacuum chamber to fill or have and fills loose heat insulating material; Refrigeration tube inner core chamber is refrigeration tube chamber; Be provided with the slot that has the slit in the refrigeration tube chamber and isolate heat-conducting plate; Described slot is isolated the heat-conducting plate tube chamber that will freeze and is divided into two sub-chambers, and in described two sub-chambers, placement will be participated in the chemical refrigerant that freezes and react;
Described jointing is followed successively by urceolus joint, insulating sandwich joint and the heat conduction connecting rod of being close to each other from outside to inside; Described urceolus joint two ends are respectively equipped with convenient screw thread and the seal groove that connects, and urceolus joint one end adopts screw thread and big seal to link to each other with the heat-preservation cylinder urceolus, and the other end also adopts screw thread and big seal to link to each other with refrigeration tube urceolus; Insulating sandwich joint one end of described jointing links to each other with the heat-preservation cylinder inner core, and the other end links to each other with refrigeration tube inner core, and little seal sealing is all adopted in the junction; Insulating sandwich joint center is provided with the heat conduction connecting rod; One end of the nearly heat-preservation cylinder inner core of described heat conduction connecting rod is provided with the inserting tube fixing head, and the other end of heat conduction connecting rod is close to slot and is isolated heat-conducting plate.
2. the high temperature resistance protection sleeve of a kind of inserting tube according to claim 1 is characterized in that: a described refrigeration tube urceolus, heat-preservation cylinder urceolus, urceolus joint, inserting tube fixing head and heat conduction connecting rod all adopt the non-magnetic high-strength material of stronger nonmagnetic steel of heat conductivility or copper class.
3. the high temperature resistance protection sleeve of a kind of inserting tube according to claim 1 is characterized in that: a described refrigeration tube inner core, heat-preservation cylinder inner core, insulating sandwich joint all adopt the hard insulating material of the good PP type of machining property to make.
4. method of making and using above-mentioned inserting tube high temperature resistance protection sleeve is characterized in that: operation as follows:
⑴, the non-magnetic high-strength material heat-preservation cylinder urceolus that adopts nonmagnetic steel or copper class, refrigeration tube urceolus, urceolus joint, inserting tube fixing head and heat conduction connecting rod;
⑵, adopt the hard insulating material of the good PP type of machining property to make heat-preservation cylinder inner core, a refrigeration tube inner core, insulating sandwich joint;
⑶, between the inside and outside tube of heat-preservation cylinder, do not have and fill or fill loose heat insulating material, the inner/outer tube of heat-preservation cylinder is sealed synchronously, be evacuated then; Between the inside and outside tube of refrigeration tube, do not have equally and fill or fill loose heat insulating material, same airtight and be evacuated;
⑷, the inserting tube of needs being delivered to underground work are got into by the openend of heat-preservation cylinder, and inserting tube is led to inserting tube by gathering sill, inserting tube is fixed on the inserting tube fixing head of jointing, and adopts wiper block that inserting tube is set upright between two parties;
⑸, in the seal groove of the jointing end that links to each other with heat-preservation cylinder, correspondingly put large and small seal, heat-preservation cylinder and jointing are tightened in rotation;
⑹, the chemical refrigerant of heterogeneity is divided into two groups prepares respectively, after inserting tube is fixed to the inserting tube fixing head, the chemical refrigerant of two groups of heterogeneities, mutually reactive is poured into the refrigeration tube respectively and isolate in two sub-chambers that heat-conducting plate keeps apart by slot;
⑺, place big seal, little seal respectively at the other end of jointing; Be rotatably connected joint with tighten with freeze the tube be connected; The integrality of inspection inserting tube high temperature resistance sleeve assembling, and will accomplish the inserting tube high temperature resistance sleeve of assembling rapidly and use with boring the input down-hole;
, when the chemical refrigerant approach exhaustion, during the inserting tube cisco unity malfunction, the tube that only needs freeze unloads, and reloads chemical refrigerant, realizes repeated use.
5. a kind of method of making and using inserting tube high temperature resistance protection sleeve according to claim 4, it is characterized in that: described chemical refrigerant contains Disodium sulfate decahydrate and ammonium nitrate, or Disodium sulfate decahydrate and ammonium sulfate, or crystals of sodium carbonate and ammonium nitrate.
6. a kind of method of making and using inserting tube high temperature resistance protection sleeve according to claim 4; It is characterized in that: described chemical refrigerant is isolated slit quantity and the gap length that is provided with on the heat-conducting plate through the adjustment slot; Control the chemical refrigerant mixing velocity between two sub-chambers, and then the control chemical reaction velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210231268.7A CN102748009B (en) | 2012-07-05 | 2012-07-05 | High-temperature-resistant protective sleeve for probe tube, and manufacturing and application methods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210231268.7A CN102748009B (en) | 2012-07-05 | 2012-07-05 | High-temperature-resistant protective sleeve for probe tube, and manufacturing and application methods thereof |
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| CN102748009A true CN102748009A (en) | 2012-10-24 |
| CN102748009B CN102748009B (en) | 2014-12-24 |
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| CN201210231268.7A Expired - Fee Related CN102748009B (en) | 2012-07-05 | 2012-07-05 | High-temperature-resistant protective sleeve for probe tube, and manufacturing and application methods thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975814A (en) * | 2015-06-30 | 2015-10-14 | 中国石油天然气股份有限公司 | Heat insulation pipe and gas injection pipe column thereof |
| CN105589371A (en) * | 2014-11-05 | 2016-05-18 | 长春锐利科技有限公司 | Modular high-temperature multifunctional intelligent underground measurement and control system |
| CN105626043A (en) * | 2016-03-04 | 2016-06-01 | 天津四洋新能源科技有限公司 | Heat preservation device of downhole well logging instrument |
| CN105866155A (en) * | 2016-04-11 | 2016-08-17 | 中国科学院声学研究所 | X-ray fluorescent logging exploring tube for deep well detection |
| CN110043216A (en) * | 2019-05-14 | 2019-07-23 | 淮安市井神钻采机具有限公司 | A kind of high-pressure multi-stage fracture acidizing packer resistant to high temperatures |
| CN112004991A (en) * | 2018-04-16 | 2020-11-27 | 贝克休斯控股有限责任公司 | Thermal barrier for downhole flask-mounted electronics |
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| CN101915966A (en) * | 2010-07-14 | 2010-12-15 | 中国科学院半导体研究所 | Downhole optical cable connecting and protecting device |
| CN102296934A (en) * | 2011-07-29 | 2011-12-28 | 哈尔滨中飞新技术股份有限公司 | Aluminum alloy drill pipe and production method thereof |
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| RU2026974C1 (en) * | 1991-06-28 | 1995-01-20 | Товарищество с ограниченной ответственностью Научно-производственная фирма "Бурение, технология и контроль скважины" | Bottom hole self-contained indicator for well investigation |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589371A (en) * | 2014-11-05 | 2016-05-18 | 长春锐利科技有限公司 | Modular high-temperature multifunctional intelligent underground measurement and control system |
| CN104975814A (en) * | 2015-06-30 | 2015-10-14 | 中国石油天然气股份有限公司 | Heat insulation pipe and gas injection pipe column thereof |
| CN104975814B (en) * | 2015-06-30 | 2018-03-13 | 中国石油天然气股份有限公司 | Instlated tubular and its gas injection tube column |
| CN105626043A (en) * | 2016-03-04 | 2016-06-01 | 天津四洋新能源科技有限公司 | Heat preservation device of downhole well logging instrument |
| CN105866155A (en) * | 2016-04-11 | 2016-08-17 | 中国科学院声学研究所 | X-ray fluorescent logging exploring tube for deep well detection |
| CN105866155B (en) * | 2016-04-11 | 2018-11-13 | 中国科学院声学研究所 | A kind of x-ray fluorescence well logging inserting tube for detecting deep well |
| CN112004991A (en) * | 2018-04-16 | 2020-11-27 | 贝克休斯控股有限责任公司 | Thermal barrier for downhole flask-mounted electronics |
| CN110043216A (en) * | 2019-05-14 | 2019-07-23 | 淮安市井神钻采机具有限公司 | A kind of high-pressure multi-stage fracture acidizing packer resistant to high temperatures |
| CN110043216B (en) * | 2019-05-14 | 2022-02-08 | 淮安市井神钻采机具有限公司 | High-temperature and high-pressure resistant multistage fracturing and acidizing packer |
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| Publication number | Publication date |
|---|---|
| CN102748009B (en) | 2014-12-24 |
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