CN106223926A - A kind of multichannel is managed continuously - Google Patents
A kind of multichannel is managed continuously Download PDFInfo
- Publication number
- CN106223926A CN106223926A CN201610713350.1A CN201610713350A CN106223926A CN 106223926 A CN106223926 A CN 106223926A CN 201610713350 A CN201610713350 A CN 201610713350A CN 106223926 A CN106223926 A CN 106223926A
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- section
- capillary tubing
- inner tube
- continuously
- pipe
- Prior art date
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- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims abstract 2
- 238000003466 welding Methods 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000001174 ascending effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002309 gasification Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/295—Gasification of minerals, e.g. for producing mixtures of combustible gases
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/001—Cooling arrangements
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention relates to a kind of multichannel manage continuously.Its technical scheme is: pipe entirety is sequentially connected with by A section, B section, C section continuously, and wherein, C section is that sub-prime injects continuous tube body, keeps fire away and is in low-temperature space；B section includes outer tube, inner tube, thermocouple cable; cavity between described outer tube and inner tube connects with capillary tubing; make cavity be filled with the liquid of high temperature resistance burnout-proof by capillary tubing, and liquid is put by multiple spray-holes ejection formation that A section inwall is provided with and burnt out protection zone；Described A section is nozzle body, and inside is equipped with thermocouple, is delivered on ground instrument, and then control carry or decline coiled tubing by the signal of telecommunication by thermocouple cable.Providing the benefit that: water is delivered to the cavity between outer tube and the inner tube of B section by capillary tubing, four aperture ejections from the inwall of A section, B section has just become " boiler tube " of inner filling water, thus has avoided ascending pipe when flame four is altered and be burned.
Description
Technical field
The present invention relates to a kind of gasification coal mining pipe continuously, manage continuously particularly to a kind of multichannel.
Background technology
Along with the development of gasification coal-mining technique, the continuous pipe of horizontal well drags and injects fluid to down-hole and make coal seam burn in order product
The technology of unboiled water coal gas and semiwater gas is the most ripe.But due to the problem of coal seam permeability, flame burns injection even sometimes
The nozzle back of continuous pipe, makes the continuous pipe of injection be blown, and nozzle and thermocouple are ineffective, and surface fluids injects and is forced to interrupt,
Again after the down-hole string that restoration fluids injects, re-inject, thus can affect quality and speed that gasification is mined.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, it is provided that a kind of multichannel is managed continuously.
A kind of multichannel is managed continuously, and its technical scheme is: pipe entirety is sequentially connected with by A section, B section, C section continuously, wherein, and C
Section is that sub-prime injects continuous tube body, keeps fire away and is in low-temperature space, by continuous pipe 5, capillary tubing 4 and thermocouple cable 3 even
Connect composition, capillary tubing 4 and thermocouple cable 3 and be installed in continuous pipe 5 inner chamber；One end of B section is connected with A section, the other end and C section
Connecting, B section includes outer tube 1, inner tube 2, thermocouple cable 3, and the cavity between described outer tube 1 and inner tube 2 is with capillary tubing 4 even
Logical, make cavity be filled with the liquid of high temperature resistance burnout-proof by capillary tubing 4, and liquid is provided with many by A section inwall
The ejection of individual spray-hole 11 forms burnout-proof protection zone；Described A section is nozzle body 8, and inside is equipped with thermocouple 10, passes through thermocouple
The signal of telecommunication is delivered on ground instrument, and then control carry or decline pipe continuously by cable 3.
Above-mentioned continuous pipe 5 and inner tube 2 are provided with the endoporus of welding ring 6, the endoporus of this welding ring 6 and inner tube 2 in junction
Align welded seal firm.
Above-mentioned outer tube 1 is identical with the size of the diameter of the continuous pipe 5 of C section and wall thickness, the external diameter of the inner tube 2 of B section and C section
Capillary tubing 4 match, the size of the cross-sectional area of the annular space that the external diameter of the internal diameter of B section outer tube 1 and inner tube 2 is formed,
It is five times of area of passage of capillary tubing 4, and the length of described B section is not more than 50 meters.
The manufacture method of the continuous pipe of multichannel that the present invention mentions, comprises the following steps that:
(1) capillary tubing 4 and thermocouple cable 3 together being penetrated continuous pipe 5, the method for penetrating is to use continuous tube apparatus only will
In pipe enters the well of applicable continuous length of tube for 5 times continuously, then capillary tubing and the thermocouple cable connecting thermocouple, one removes
Continuously in pipe 5, it is desirable to capillary tubing 4 length is more than or equal to the overall length of continuous pipe 5, and a segment distance, and thermocouple end are stretched out in two ends
Stretch out the length of continuous pipe 5 more than A section plus the overall length of B section, then trip out that to pass through well stand-by；
(2) A section is welded with B section, first the inner tube 2 of B section and the endoporus of A section is aligned welded seal firm, and the stretching resistance of weld seam is not
Less than inner tube stretching resistance 80%；Again the endoporus of the endoporus of welding ring 6 Yu inner tube 2 is aligned welded seal firm, the tension of weld seam
Power is not less than the 80% of inner tube stretching resistance；Then welded for outer tube 1 ring 6 is enclosed within inner tube 2, finally the weld seam at outer tube 1 two ends
Firm with A section and welding ring 6 welded seal respectively, the seal pressure of weld seam meets fluid infusion pressure requirement, the tension of weld seam
Power is more than the 80% of outer tube stretching resistance；
(3) B section is welded with C section, first thermocouple cable 3 is penetrated B section together with the welded ring of thermocouple 6 and stretch before welding
To A section, and thermocouple 10 being fixed on A section, then process capillary tubing 4 solder side connects with the capillary tubing eyelet welding of welding ring 6
Face shape is coincide consistent, then it is firm, finally that capillary tubing 4 and the capillary tubing welding hole in welding ring 6 are aligned welded seal
The continuous pipe 5 of C section is firm with outer tube 1 welded seal of B section.
The invention has the beneficial effects as follows: formed multichannel by A, B, C tri-sections and manage continuously, fixing temperature measuring equipment (thermocouple),
Control to inject direction and the flow velocity of fluid, make burner hearth try one's best away from ascending pipe, prevent ascending pipe from crossing cause thermal damage；Water is passed through
Capillary tubing delivers to the cavity between outer tube and the inner tube of B section, four aperture ejections from the inwall of A section, and B section has just become internal
Water-filled " boiler tube ", thus avoid ascending pipe when flame four is altered and be burned；C section is the main paragraph of the continuous pipe of multichannel,
Reduce the injection pressure of host for increasing the area of main channel as far as possible, reduce the cost of the continuous pipe of main paragraph multichannel, carry
High economy.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention；
Accompanying drawing 2 is the F-F sectional view of the present invention；
Accompanying drawing 3 is the D-D sectional view of the present invention；
Accompanying drawing 4 is the E-E sectional view of the present invention；
Accompanying drawing 5 is the G-G sectional view of the present invention；
In upper figure: outer tube 1, inner tube 2, thermocouple cable 3, capillary tubing 4, continuous pipe 5, welding ring 6, outer tube and nozzle body weld bond
7, nozzle body 8, inner tube and nozzle body weld bond 9, thermocouple 10, spray-hole 11.
Detailed description of the invention
In conjunction with accompanying drawing 1-5, the invention will be further described:
The multichannel that the present invention mentions is managed continuously, and its technical scheme is: pipe entirety is sequentially connected with by A section, B section, C section continuously, its
In, C section is that sub-prime injects continuous tube body, keeps fire away and is in low-temperature space, by continuous pipe 5, capillary tubing 4 and thermocouple cable
3 connect composition, and capillary tubing 4 and thermocouple cable 3 are installed in continuous pipe 5 inner chamber；One end of B section is connected with A section, the other end with
C section connects, and B section includes outer tube 1, inner tube 2, thermocouple cable 3, the cavity between described outer tube 1 and inner tube 2 and capillary tubing 4
Connection, makes cavity be filled with the liquid of high temperature resistance burnout-proof by capillary tubing 4, and liquid uses water herein, and water passes through A section inwall
Multiple spray-holes 11 ejection being provided with forms burnout-proof protection zone；Described A section is nozzle body 8, and inside is equipped with thermocouple 10,
It is delivered on ground instrument, and then control carry or decline coiled tubing by the signal of telecommunication by thermocouple cable 3.
And, A section, B section, C section three are welded as a whole, and outward appearance is just the same with isodiametric homogeneity coiled tubing, root
According to the difference of down-hole injected media, its material can be the tubing of the different-diameter that the materials such as rustless steel, steel alloy, carbon steel are made
The burnout-proof multichannel being welded is managed continuously.
Wherein, continuous pipe 5 and inner tube 2 are provided with the endoporus pair of welding ring 6, the endoporus of this welding ring 6 and inner tube 2 in junction
Positive welded seal is firm, and can be seen that outer tube and nozzle body weld bond 7 and inner tube and nozzle body weld bond 9 by sectional view.
Above-mentioned outer tube 1 is identical with the size of the diameter of the continuous pipe 5 of C section and wall thickness, the external diameter of the inner tube 2 of B section and C section
Capillary tubing 4 match, the size of the cross-sectional area of the annular space that the external diameter of the internal diameter of B section outer tube 1 and inner tube 2 is formed,
It is five times of area of passage of capillary tubing 4, and the length of described B section is not more than 50 meters.
The present invention first chosen material: according to choosings such as the character of injected media host adjuvant, injection pressure flow, temperature
Take the thickness of the material of steel, steel plate, inject continuous pipe diameter and include that supervisor and auxiliary pipe calculate processing and be responsible for and needed for auxiliary pipe
Width of steel band, use be suitable for welding method, welding equipment in straight weld pipe-forming machine group, weld inner tube, outer tube, capillary steel
Pipe, then according to process the accessory of each section of A, B, C respectively shown in Fig. 1.
As a example by note pure oxygen: A section is the assembly welding of 316L rustless steel thick-walled pipe and the nozzle body of 316L rustless steel round steel processing
Its length of part is not more than 1 meter, and its effect is: pipe enters well continuously, fixing thermocouple, processes inner nozzle and the welding B of B section water
The solder side of section inner and outer tubes, the area of passage of nozzle should be less than the area of passage of C section capillary tubing.
B section is the isometric ERW of the different-diameter that 316L stainless steel band welds, the size of outer tube 1 diameter and wall thickness with
The continuous pipe 5 of C section is identical, and the external diameter of the inner tube 2 of B section is that the area of passage size according to C section capillary tubing 4 determines, outside B section
The size of the cross-sectional area of the annular space that the external diameter of the internal diameter of pipe 1 and inner tube 2 is formed, be capillary tubing 4 area of passage 5
Times.The thickness of inner tube 2 is calculated according to bearing capacity.The length of the B section length according to horizontal segment and the homogenizing degree in coal seam
Determine, generally no greater than 50 meters.The processing dimension of E E section welding ring, internal diameter is identical with inner tube diameter, and external diameter is less than and connects
The internal diameter of nearly completion 1.Capillary tubing welding hole is identical with capillary tubing 4 internal diameter.
The C section multichannel continuous tube body continuous pipe of section 5 and the diameter of capillary tubing 4, wall thickness are according to each via fluid
Injection rate, injection pressure determines, length determines according to the well total length of horizontal well.
Thermocouple cable 3 is through the heat-resisting wire of the whole continuous Guan Tongchang of multichannel, and Main Function is by the electricity of down-hole
Rheology passes to ground instrument, is outsourcing piece.
The manufacture method of the continuous pipe of multichannel that the present invention mentions, comprises the following steps that:
(1) capillary tubing 4 and thermocouple cable 3 together being penetrated continuous pipe 5, the method for penetrating is to use continuous tube apparatus only will
In pipe enters the well of applicable continuous length of tube for 5 times continuously, then capillary tubing and the thermocouple cable connecting thermocouple, one removes
Continuously in pipe 5, it is desirable to capillary tubing 4 length is more than or equal to the overall length of continuous pipe 5, and a segment distance, and thermocouple end are stretched out in two ends
Stretch out the length of continuous pipe 5 more than A section plus the overall length of B section, then trip out that to pass through well stand-by；
(2) A section is welded with B section, first the inner tube 2 of B section and the endoporus of A section is aligned welded seal firm, and the stretching resistance of weld seam is not
Less than inner tube stretching resistance 80%；Again the endoporus of the endoporus of welding ring 6 Yu inner tube 2 is aligned welded seal firm, the tension of weld seam
Power is not less than the 80% of inner tube stretching resistance；Then welded for outer tube 1 ring 6 is enclosed within inner tube 2, finally the weld seam at outer tube 1 two ends
Firm with A section and welding ring 6 welded seal respectively, the seal pressure of weld seam meets fluid infusion pressure requirement, the tension of weld seam
Power is more than the 80% of outer tube stretching resistance；
(3) B section is welded with C section, first thermocouple cable 3 is penetrated B section together with the welded ring of thermocouple 6 and stretch before welding
To A section, and thermocouple 10 being fixed on A section, then process capillary tubing 4 solder side connects with the capillary tubing eyelet welding of welding ring 6
Face shape is coincide consistent, then it is firm, finally that capillary tubing 4 and the capillary tubing welding hole in welding ring 6 are aligned welded seal
The continuous pipe 5 of C section is firm with outer tube 1 welded seal of B section, and weld seam requires with the outer sealing of tube of B section identical.
Claims (1)
1. a multichannel is managed continuously, it is characterized in that: continuously pipe entirety is sequentially connected with by A section, B section, C section, and wherein, C section is point
Matter injects continuous tube body, keeps fire away and is in low-temperature space, by pipe (5), capillary tubing (4) and thermocouple cable (3) continuously even
Connect composition, capillary tubing (4) and thermocouple cable (3) and be installed in pipe (5) inner chamber continuously；One end of B section is connected with A section, another
End is connected with C section, and B section includes outer tube (1), inner tube (2), thermocouple cable (3), the sky between described outer tube (1) and inner tube (2)
Chamber connects with capillary tubing (4), makes cavity be filled with the liquid of high temperature resistance burnout-proof by capillary tubing (4), and liquid leads to
Cross multiple spray-holes (11) ejection formation burnout-proof protection zone that A section inwall is provided with；Described A section is nozzle body (8), and internal
Equipped with thermocouple (10), it is delivered on ground instrument, and then control carry or decline continuously by the signal of telecommunication by thermocouple cable (3)
Pipe；
Described pipe (5) and inner tube (2) continuously are provided with welding ring (6), the endoporus of this welding ring (6) and inner tube (2) in junction
Endoporus to align welded seal firm；
Described outer tube (1) is identical with size and the wall thickness of the diameter of pipe (5) continuously of C section, the external diameter of the inner tube (2) of B section and C
The capillary tubing (4) of section matches, the cross-sectional area of the annular space that the external diameter of the internal diameter of B section outer tube (1) and inner tube (2) is formed
Size, be five times of area of passage of capillary tubing (4), and the length of described B section be not more than 50 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610713350.1A CN106223926B (en) | 2014-08-01 | 2014-08-01 | A kind of multichannel is continuously managed |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610713350.1A CN106223926B (en) | 2014-08-01 | 2014-08-01 | A kind of multichannel is continuously managed |
| CN201410375855.2A CN104153757B (en) | 2014-08-01 | 2014-08-01 | High-temperature-resistant and burnout-resistant multi-channel continuous tube |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410375855.2A Division CN104153757B (en) | 2014-08-01 | 2014-08-01 | High-temperature-resistant and burnout-resistant multi-channel continuous tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106223926A true CN106223926A (en) | 2016-12-14 |
| CN106223926B CN106223926B (en) | 2018-11-27 |
Family
ID=51879368
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610713441.5A Active CN106285615B (en) | 2014-08-01 | 2014-08-01 | A kind of continuously pipe and manufacturing method |
| CN201610713116.9A Pending CN106285614A (en) | 2014-08-01 | 2014-08-01 | A kind of multichannel is managed continuously |
| CN201410375855.2A Active CN104153757B (en) | 2014-08-01 | 2014-08-01 | High-temperature-resistant and burnout-resistant multi-channel continuous tube |
| CN201610713350.1A Active CN106223926B (en) | 2014-08-01 | 2014-08-01 | A kind of multichannel is continuously managed |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610713441.5A Active CN106285615B (en) | 2014-08-01 | 2014-08-01 | A kind of continuously pipe and manufacturing method |
| CN201610713116.9A Pending CN106285614A (en) | 2014-08-01 | 2014-08-01 | A kind of multichannel is managed continuously |
| CN201410375855.2A Active CN104153757B (en) | 2014-08-01 | 2014-08-01 | High-temperature-resistant and burnout-resistant multi-channel continuous tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN106285615B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285615B (en) * | 2014-08-01 | 2019-07-02 | 青岛北船管业有限责任公司 | A kind of continuously pipe and manufacturing method |
| CN104564008B (en) * | 2014-12-18 | 2018-05-01 | 新奥科技发展有限公司 | Underground coal gasification(UCG) device and its gasification process |
| CN105756653B (en) * | 2015-11-11 | 2021-08-03 | 新奥科技发展有限公司 | Nozzle and gas injection device with same |
| CN109653708A (en) * | 2018-12-05 | 2019-04-19 | 西安石油大学 | A kind of device of the component of the cooling downhole tool based on steam compression cycle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201144684Y (en) * | 2007-09-07 | 2008-11-05 | 新奥能源研究院有限公司 | Underground gasification furnace air outlet pipe thermal expansion cold contraction and anti-leakage device |
| CN201170093Y (en) * | 2007-09-18 | 2008-12-24 | 中国石油天然气股份有限公司 | Multi-point temperature pressure dynamic monitoring instrument of horizontal well |
| CN202215234U (en) * | 2011-08-05 | 2012-05-09 | 中国石油天然气股份有限公司 | Under-well testing continuous tube with thermocouple tube and capillary arranged inside |
| CN103615199A (en) * | 2013-11-28 | 2014-03-05 | 中国石油天然气股份有限公司 | Oil extraction processing device for achieving steam injection, oil extraction and temperature-pressure real-time monitoring in shaft of horizontal well with three tubes |
| RU2519310C1 (en) * | 2013-01-25 | 2014-06-10 | Ефим Вульфович Крейнин | Method of extraction of high-molecular raw material of oil and gas condensate field |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285615B (en) * | 2014-08-01 | 2019-07-02 | 青岛北船管业有限责任公司 | A kind of continuously pipe and manufacturing method |
| CN204126625U (en) * | 2014-08-01 | 2015-01-28 | 东营天华石油技术开发有限公司 | A kind of high temperature resistance burnout-proof multichannel continuous-tube |
-
2014
- 2014-08-01 CN CN201610713441.5A patent/CN106285615B/en active Active
- 2014-08-01 CN CN201610713116.9A patent/CN106285614A/en active Pending
- 2014-08-01 CN CN201410375855.2A patent/CN104153757B/en active Active
- 2014-08-01 CN CN201610713350.1A patent/CN106223926B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201144684Y (en) * | 2007-09-07 | 2008-11-05 | 新奥能源研究院有限公司 | Underground gasification furnace air outlet pipe thermal expansion cold contraction and anti-leakage device |
| CN201170093Y (en) * | 2007-09-18 | 2008-12-24 | 中国石油天然气股份有限公司 | Multi-point temperature pressure dynamic monitoring instrument of horizontal well |
| CN202215234U (en) * | 2011-08-05 | 2012-05-09 | 中国石油天然气股份有限公司 | Under-well testing continuous tube with thermocouple tube and capillary arranged inside |
| RU2519310C1 (en) * | 2013-01-25 | 2014-06-10 | Ефим Вульфович Крейнин | Method of extraction of high-molecular raw material of oil and gas condensate field |
| CN103615199A (en) * | 2013-11-28 | 2014-03-05 | 中国石油天然气股份有限公司 | Oil extraction processing device for achieving steam injection, oil extraction and temperature-pressure real-time monitoring in shaft of horizontal well with three tubes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106285614A (en) | 2017-01-04 |
| CN106285615A (en) | 2017-01-04 |
| CN104153757B (en) | 2017-01-18 |
| CN104153757A (en) | 2014-11-19 |
| CN106223926B (en) | 2018-11-27 |
| CN106285615B (en) | 2019-07-02 |
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