CN106223926B - A kind of multichannel is continuously managed - Google Patents
A kind of multichannel is continuously managed Download PDFInfo
- Publication number
- CN106223926B CN106223926B CN201610713350.1A CN201610713350A CN106223926B CN 106223926 B CN106223926 B CN 106223926B CN 201610713350 A CN201610713350 A CN 201610713350A CN 106223926 B CN106223926 B CN 106223926B
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- sections
- capillary tubing
- inner tube
- tube
- continuous pipe
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- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 13
- 239000007924 injection Substances 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000243 solution Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005619 thermoelectricity Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001802 infusion 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
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram 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
- 238000005065 mining Methods 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
- 230000003685 thermal hair damage Effects 0.000 description 1
- 239000003643 water by type Substances 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 multichannels continuously to manage.Its technical solution is：Continuous pipe is integrally sequentially connected by A sections, B sections, C sections, wherein C sections are that sub-prime injects continuous pipe main body, are kept fire away in low-temperature space；B sections include outer tube, inner tube, thermocouple cable; cavity between the outer tube and inner tube is connected to capillary tubing; cavity is set to be filled with the liquid of burnout-proof resistant to high temperatures by capillary tubing, and liquid sprays to be formed to put and burns out protection zone by multiple spray-holes that A sections of inner walls are equipped with；Described A sections is nozzle body, and internal equipped with thermocouple, electric signal is transmitted to ground instrument by thermocouple cable, and then control and above mention or decline coiled tubing.Beneficial effect is：Cavity water being sent to by capillary tubing between B sections of outer tube and inner tube is sprayed from four apertures on A sections of inner wall, B sections just at " boiler tube " of inner filling water, injection pipe is burned when altering so as to avoid flame four.
Description
Technical field
It mines the present invention relates to a kind of gasification and continuously manages, in particular to a kind of multichannel is continuously managed.
Background technique
With the development of gasification coal-mining technique, the continuous pipe of horizontal well, which is dragged to underground injection fluid, makes coal seam orderly burn production
The technology of unboiled water coal gas and semiwater gas is increasingly mature.But the problem of due to coal seam permeability, flame burn injection sometimes and connect
The nozzle back of continuous pipe, makes to inject continuous pipe and is blown, and nozzle and thermocouple are ineffective, and surface fluids injection is forced to interrupt,
Again it after the down-hole string of restoration fluids injection, re-injects, thus will affect quality and speed that gasification is mined.
Summary of the invention
The purpose of the present invention is to drawbacks described above of the existing technology, a kind of multichannel is provided and is continuously managed.
A kind of multichannel is continuously managed, and technical solution is：Continuous pipe is integrally sequentially connected by A sections, B sections, C sections, wherein C
Section is that sub-prime injects continuous pipe main body, keeps fire away in low-temperature space, is connected by continuous pipe 5, capillary tubing 4 and thermocouple cable 3
Composition is connect, capillary tubing 4 and thermocouple cable 3 are installed in continuous 5 inner cavity of pipe；B sections one end is connect with A sections, the other end with C sections
Connection, B sections include outer tube 1, inner tube 2, thermocouple cable 3, and cavity and capillary tubing 4 between the outer tube 1 and inner tube 2 connect
It is logical, so that cavity is filled with the liquid of burnout-proof resistant to high temperatures by capillary tubing 4, and liquid be equipped with by A sections of inner walls it is more
A ejection of spray-hole 11 forms burnout-proof protection zone；Described A sections is nozzle body 8, and internal equipped with thermocouple 10, passes through thermocouple
Electric signal is transmitted to ground instrument by cable 3, and then is controlled and above mentioned or decline continuous pipe.
Above-mentioned continuous pipe 5 and inner tube 2 is equipped with welding ring 6, the inner hole of the welding ring 6 and the inner hole of inner tube 2 in junction
It is secured to positive welded seal.
Above-mentioned outer tube 1 is identical as the size of the diameter of C sections of continuous pipe 5 and wall thickness, the outer diameter of B sections of inner tube 2 with C sections
Capillary tubing 4 match, the size of the cross-sectional area for the annular space that the outer diameter of the internal diameters of B sections of outer tubes 1 and inner tube 2 is formed,
It is five times of the area of passage of capillary tubing 4, and the length of the B section is not more than 50 meters.
The manufacturing method of the continuous pipe of the multichannel that the present invention mentions, comprises the following steps that：
（One）Capillary tubing 4 and thermocouple cable 3 are penetrated continuous pipe 5 together, the method for penetrating is using continuous tube apparatus
Only continuous 5 tripping in of pipe is suitble in the well of continuous length of tube, then capillary tubing and the thermocouple cable for connecting thermocouple, together
It arrives down in continuous pipe 5, it is desirable that 4 length of capillary tubing is more than or equal to the overall length of continuous pipe 5, and a distance, and thermoelectricity are stretched out in both ends
The length that continuous pipe 5 is stretched out at even end is greater than A section plus B sections of overall lengths, then plays out that pass through well stand-by；
（Two）A sections are welded with B sections, and first inner tube 2 and A sections of the inner hole B sections is secured to positive welded seal, the tension of weld seam
Power is not less than the 80% of inner tube stretching resistance；It is again that the inner hole of welding ring 6 and the inner hole of inner tube 2 is secured to positive welded seal, weld seam
Stretching resistance is not less than the 80% of inner tube stretching resistance；Then by 16 sets of welded ring of outer tube in inner tube 2, finally 1 both ends of outer tube
Weld seam is secured with A sections and 6 welded seal of welding ring respectively, and the sealed pressure of weld seam meets fluid infusion pressure requirement, weld seam
Stretching resistance is greater than the 80% of outer tube stretching resistance；
（Three）B sections are welded with C sections, and thermocouple cable 3 is penetrated B together with the welded ring 6 of thermocouple first before welding
Section reaches A sections, and thermocouple 10 is fixed on A sections, then handles the capillary tubing hole of 4 welding surface of capillary tubing and welding ring 6
Welding surface shape is coincide unanimously, then capillary tubing 4 and the capillary tubing welding hole in welding ring 6 is secured to positive welded seal,
It is finally that continuous pipe 5 and B sections of C sections of 1 welded seal of outer tube is secured.
The beneficial effects of the invention are as follows：It forms multichannel by tri- sections of A, B, C continuously to manage, fixed temperature measuring equipment（Thermocouple）,
The direction of control injection fluid and flow velocity, make burner hearth far from injection pipe, prevent injection pipe from crossing cause thermal damage as far as possible；Water is passed through
Capillary tubing is sent to the cavity between B sections of outer tube and inner tube, sprays from four apertures on A sections of inner wall, B sections just at internal
Water-filled " boiler tube ", injection pipe is burned when altering so as to avoid flame four；C sections be the continuous pipe of multichannel main paragraph,
The injection pressure of host agent is reduced to increase the area of main channel as far as possible, the cost of the continuous pipe of main paragraph multichannel is reduced, mentions
High economy.
Detailed description of the invention
Attached drawing 1 is structural schematic diagram of the invention；
Attached drawing 2 is F-F cross-sectional view of the invention；
Attached drawing 3 is D-D cross-sectional view of the invention；
Attached drawing 4 is E-E cross-sectional view of the invention；
Attached drawing 5 is G-G cross-sectional view of the 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.
Specific embodiment
In conjunction with attached drawing 1-5, the invention will be further described：
The multichannel that the present invention mentions continuously is managed, and technical solution is：Continuous pipe is integrally successively connected by A sections, B sections, C sections
It connects, wherein C sections are that sub-prime injects continuous pipe main body, are kept fire away in low-temperature space, by continuous pipe 5, capillary tubing 4 and thermoelectricity
The even connection of cable 3 composition, capillary tubing 4 and thermocouple cable 3 are installed in continuous 5 inner cavity of pipe；B sections one end is connect with A sections, separately
One end is connect with C sections, and B sections include outer tube 1, inner tube 2, thermocouple cable 3, cavity and capillary between the outer tube 1 and inner tube 2
Steel pipe 4 is connected to, and so that cavity is filled with the liquid of burnout-proof resistant to high temperatures by capillary tubing 4, liquid uses water herein, and water passes through A
The ejection of multiple spray-holes 11 that section inner wall is equipped with forms burnout-proof protection zone；Described A sections is nozzle body 8, and internal equipped with heat
Electric signal is transmitted to ground instrument by thermocouple cable 3, and then controls and above mention or decline coiled tubing by galvanic couple 10.
Moreover, A sections, B sections, C sections of threes be welded as a whole, appearance and isodiametric homogeneity coiled tubing are just the same, root
According to the difference of underground injected media, material can be the tubing of different-diameter made of the materials such as stainless steel, steel alloy, carbon steel
The burnout-proof multichannel being welded continuously is managed.
Wherein, continuous pipe 5 is equipped with welding ring 6, the inner hole of the welding ring 6 and the inner hole pair of inner tube 2 in junction with inner tube 2
Positive welded seal is secured, and can see by cross-sectional view：Outer tube and nozzle body weld bond 7 and inner tube and nozzle body weld bond 9.
Above-mentioned outer tube 1 is identical as the size of the diameter of C sections of continuous pipe 5 and wall thickness, the outer diameter of B sections of inner tube 2 with C sections
Capillary tubing 4 match, the size of the cross-sectional area for the annular space that the outer diameter of the internal diameters of B sections of outer tubes 1 and inner tube 2 is formed,
It is five times of the area of passage of capillary tubing 4, and the length of the B section is not more than 50 meters.
Present invention chosen material first：It is selected according to the property of injected media host agent adjuvant, injection pressure flow, temperature etc.
The material of steel, the thickness of steel plate are taken, injecting continuous pipe diameter includes that supervisor and auxiliary pipe calculate needed for processing supervisor and auxiliary pipe
Width of steel band weld inner tube, outer tube, capillary steel using suitable welding method, welding equipment in straight weld pipe-forming machine group
Pipe, then according to the accessory for processing each section of A, B, C shown in Fig. 1 respectively.
For infusing pure oxygen：The A sections of groups for 316L stainless steel thick-walled pipe and the nozzle body of 316L stainless steel round steel processing are welded
Its length of part is not more than 1 meter, and effect is：Continuous pipe enters well, and fixed thermocouple processes the inner nozzle and welding B of B sections of waters
The welding surface of section inner and outer tubes, the area of passage of nozzle should be less than the area of passage of C sections of capillary tubings.
The isometric straight seam welded pipe of the B sections of different-diameters welded for 316L stainless steel band, the size and wall thickness of 1 diameter of outer tube with
C sections of continuous pipe 5 is identical, and the outer diameter of B sections of inner tube 2 is determined according to the area of passage size of C sections of capillary tubings 4, and B sections outer
The size of the cross-sectional area for the annular space that the internal diameter of pipe 1 and the outer diameter of inner tube 2 are formed, is the 5 of the area of passage of capillary tubing 4
Times.The thickness of inner tube 2 is calculated according to bearing capacity.B sections of length is according to the length of horizontal segment and the homogeneous degree in coal seam
It determines, generally no greater than 50 meters.The processing dimension of E-E section welding ring, internal diameter is identical as inner tube diameter, and outer diameter is less than and connects
The internal diameter of nearly completion 1.Capillary tubing welding hole is identical as 4 internal diameter of capillary tubing.
The diameter of the continuous pipe 5 of the continuous pipe main paragraph of C sections of multichannels and capillary tubing 4, wall thickness are according to each by fluid
Injection rate, injection pressure determine that length is determined according to the wellbore 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 underground
Rheology passes to ground instrument, is outsourcing piece.
The manufacturing method of the continuous pipe of the multichannel that the present invention mentions, comprises the following steps that：
（One）Capillary tubing 4 and thermocouple cable 3 are penetrated continuous pipe 5 together, the method for penetrating is using continuous tube apparatus
Only continuous 5 tripping in of pipe is suitble in the well of continuous length of tube, then capillary tubing and the thermocouple cable for connecting thermocouple, together
It arrives down in continuous pipe 5, it is desirable that 4 length of capillary tubing is more than or equal to the overall length of continuous pipe 5, and a distance, and thermoelectricity are stretched out in both ends
The length that continuous pipe 5 is stretched out at even end is greater than A section plus B sections of overall lengths, then plays out that pass through well stand-by；
（Two）A sections are welded with B sections, and first inner tube 2 and A sections of the inner hole B sections is secured to positive welded seal, the tension of weld seam
Power is not less than the 80% of inner tube stretching resistance；It is again that the inner hole of welding ring 6 and the inner hole of inner tube 2 is secured to positive welded seal, weld seam
Stretching resistance is not less than the 80% of inner tube stretching resistance；Then by 16 sets of welded ring of outer tube in inner tube 2, finally 1 both ends of outer tube
Weld seam is secured with A sections and 6 welded seal of welding ring respectively, and the sealed pressure of weld seam meets fluid infusion pressure requirement, weld seam
Stretching resistance is greater than the 80% of outer tube stretching resistance；
（Three）B sections are welded with C sections, and thermocouple cable 3 is penetrated B together with the welded ring 6 of thermocouple first before welding
Section reaches A sections, and thermocouple 10 is fixed on A sections, then handles the capillary tubing hole of 4 welding surface of capillary tubing and welding ring 6
Welding surface shape is coincide unanimously, then capillary tubing 4 and the capillary tubing welding hole in welding ring 6 is secured to positive welded seal,
Finally that continuous pipe 5 and B sections of C sections of 1 welded seal of outer tube is secured, level weld seam requirement is identical with B sections of outer tube welding.
Claims (1)
1. a kind of multichannel is continuously managed, it is characterized in that：Continuous pipe is integrally sequentially connected by A sections, B sections, C sections, wherein C sections are point
Matter injects continuous pipe main body, keeps fire away in low-temperature space, by continuously managing（5）, capillary tubing（4）And thermocouple cable（3）Even
Connect composition, capillary tubing（4）And thermocouple cable（3）It is installed in continuous pipe（5）Inner cavity；B sections one end is connect with A sections, another
End is connect with C sections, and B sections include outer tube（1）, inner tube（2）, thermocouple cable（3）, the outer tube（1）With inner tube（2）Between sky
Chamber and capillary tubing（4）Connection, passes through capillary tubing（4）Cavity is set to be filled with the liquid of burnout-proof resistant to high temperatures, and liquid is logical
Cross multiple spray-holes that A sections of inner walls are equipped with（11）Ejection forms burnout-proof protection zone；Described A sections is nozzle body（8）, and it is internal
Equipped with thermocouple（10）, pass through thermocouple cable（3）Electric signal is transmitted to ground instrument, and then is controlled and is above mentioned or decline continuously
Pipe；
The continuous pipe（5）With inner tube（2）Welding ring is equipped in junction（6）, the welding ring（6）Inner hole and inner tube（2）
Inner hole it is secured to positive welded seal；
The outer tube（1）With C sections of continuous pipe（5）Diameter size and wall thickness it is identical, B sections of inner tube（2）Outer diameter and C
The capillary tubing of section（4）Match, B sections of outer tubes（1）Internal diameter and inner tube（2）Outer diameter formed annular space cross-sectional area
Size, be capillary tubing（4）Five times of area of passage, and the length of the B section is 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 CN106223926A (en) | 2016-12-14 |
| CN106223926B true CN106223926B (en) | 2018-11-27 |
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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 |
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| 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 |
| CN106223926A (en) | 2016-12-14 |
| CN104153757B (en) | 2017-01-18 |
| CN104153757A (en) | 2014-11-19 |
| CN106285615B (en) | 2019-07-02 |
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