CN106285547B - For SAGD well temperature measuring cable it is with pressure mention, under sealing device - Google Patents
For SAGD well temperature measuring cable it is with pressure mention, under sealing device Download PDFInfo
- Publication number
- CN106285547B CN106285547B CN201610911933.5A CN201610911933A CN106285547B CN 106285547 B CN106285547 B CN 106285547B CN 201610911933 A CN201610911933 A CN 201610911933A CN 106285547 B CN106285547 B CN 106285547B
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- Prior art keywords
- flange
- temperature measuring
- pressure
- greasing
- measuring cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 238000010796 Steam-assisted gravity drainage Methods 0.000 title claims abstract description 19
- 238000012856 packing Methods 0.000 claims abstract description 47
- 238000011084 recovery Methods 0.000 claims abstract description 31
- 239000004519 grease Substances 0.000 claims abstract description 16
- 210000004907 gland Anatomy 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000003129 oil well Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells
- E21B33/072—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells for cable-operated tools
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)
- Cable Accessories (AREA)
- Details Of Valves (AREA)
Abstract
The present invention, which discloses, a kind of to be mentioned for SAGD well temperature measuring cable to be with pressure, under sealing device, including relief valve, thermal recovery gate valve, hydraulic blowout preventer and grease pouring valve, another end flanges for the I-shaped flange that one end flanges and well head match and the end flange of thermal recovery gate valve are connected, another end flanges of thermal recovery gate valve and the end flange of greasing sealer are connected, another end flanges of greasing sealer and the end flange of hydraulic blowout preventer are connected, another end flanges of hydraulic blowout preventer and the end flange of concatenated pressure relief flange and packing box are connected, the other end of packing box is threadedly coupled with packing gland, I-shaped flange and thermal recovery gate valve, thermal recovery gate valve and greasing sealer, ring gasket is equipped between greasing sealer and hydraulic blowout preventer and hydraulic blowout preventer and pressure relief flange and pressure relief flange and packing box.The present invention does not need to stop well to bleed off pressure, cool down, and realizes dynamic sealing, shortens construction period；Ground construction equipment and expense are reduced, and efficiently reduces pollution, protects environment.
Description
Technical field
The present invention relates to a kind of sealing device, more particularly, to it is a kind of for SAGD well temperature measuring cable it is with pressure mention, under sealing
Device.
Background technique
At present SAGD well mention, lower temperature measuring equipment when, need first to stop taking out by producing well, stop infusing, wait the temperature of production well
Degree declines with pressure, then carries out kill-job operation with pump truck and waterwheel, after well head is without pressure, opens well head test line and carries out thermometric
The mentioning of cable, lower construction.The test of SAGD downhole temperature is conventional to be mentioned, lower operation can to operation oil well using high density well control fluids kill-job or
Open flow means will carry out operation after oil well pressure reduction.High density well control fluids kill-job is not only at high cost, the time is long, Er Qiehui
Blocking underground fluid swivels, influence oil recovery amount and steam injection efficiency.If be depressured using open flow, stratum energy not only can be largely reduced
Amount, brings immeasurable loss to subsequent production, while will also result in environmental pollution.No pressure mentions, existing for lower temperature measuring equipment
Problem:
1, the normal production cycle of production well is influenced, yield is reduced.
2, kill-job liquid measure is once excessive in Well Killing Process, will affect the fluctuation of oil recovery liquid level, makes producing well can not when serious
Production needs operation again.
3, waste of resource, each kill-job at least need the water or strong brine of two to three vehicles；Strong brine has metal under high temperature
Corrosion.
Summary of the invention
It provides a kind of structurally reasonable the present invention be directed to the above problem, does not need to stop well to bleed off pressure, cool down, realize that dynamic is close
Envelope shortens construction period；Well killing fluid and its ground construction equipment and expense needed for reducing routine work, and pollution is reduced, protection
Environment for SAGD well temperature measuring cable it is with pressure mention, under sealing device.
The present invention solve technical problem technical solution be: for SAGD well temperature measuring cable it is with pressure mention, under sealing device, packet
Include relief valve, thermal recovery gate valve, hydraulic blowout preventer and grease pouring valve, the other end for the I-shaped flange that one end flanges and well head match
The end flange of flange and thermal recovery gate valve is connected, and another end flanges of thermal recovery gate valve and the end flange of greasing sealer are connected,
Another end flanges of greasing sealer and the end flange of hydraulic blowout preventer are connected, another end flanges of hydraulic blowout preventer with connect
Pressure relief flange and packing box end flange be connected, the other end of packing box is threadedly coupled with packing gland, I-shaped flange and
Thermal recovery gate valve, thermal recovery gate valve and greasing sealer, greasing sealer and hydraulic blowout preventer and hydraulic blowout preventer and pressure relief flange
Ring gasket is equipped between pressure relief flange and packing box.
Pipe sleeve, greasing pressing sleeve and greasing positioning are respectively equipped at axial centre in the greasing sealer from top to down
Nut, and the axial centre of three is equipped with the through-hole being adapted to temperature measuring cable diameter.
The transverse center line position of the pipe sleeve is at least provided with a grease pouring valve, and grease pouring valve is fixed on greasing sealer
On.
The pressure relief flange lateral middle is equipped with relief valve.
At axial centre in the packing box to it is lower and on be respectively equipped with centralizer positioning screw cap, washer, centralizer,
Tower packing and packing fixed stop.
It is additionally provided with centralizer at axial centre in the packing gland, and is contacted with packing.
The centralizer is two arc rings equipped with ectonexine, and the middle part dislocation lap joint of two arc rings is at circle
It constitutes.
The I-shaped flange, thermal recovery gate valve, hydraulic blowout preventer and pressure relief flange axial centre at be equipped with 35 ~
The through-hole of 60mm.
Hydraulic power unit of the hydraulic blowout preventer by distance greater than 10 meters controls.
The through-hole being adapted to temperature measuring cable diameter is equipped at the axial centre of the packing gland.
The present invention due to having following advantages and effect compared with prior art using the above structure:
The present invention does not need to stop well to bleed off pressure cooling, can shorten construction period；Reduce routine work needed for well killing fluid and its
The expense of ground construction equipment.Using tower packing_seal, realize depressed in band mention, lower temperature measuring cable when dynamic sealing.Thermometric
After cable tie depresses oil well, using grease injection method, realize with the wellhead sealing construction under pressure condition.It is with pressure mention, lower temperature measuring cable
When, once dynamic sealing fail, hydraulic power unit with 15 meters of hydraulic blowout preventer distance, can in case of emergency start in time at a distance
Hydraulic blowout preventer is sealed temperature measuring equipment, realizes blowout preventer.
In addition, the present invention does not have outside fluid invasion, oil-gas Layer is just without the injury of external solid phase, the gas phase of liquid phase, no
New interlayer contradiction can be generated, formation pressure system not will receive destruction, does not need to re-establish balance, is conducive to oil well reparation
Stable and high yields afterwards；Relative to it is traditional mention, lower temperature testing device operation, it is with pressure in the case where not open flow, not draining overflow
Operation, does not need release for individual well, and the operation such as kill-job reduces costs, efficiently reduces pollution, protect environment, protects
It has held the formation pressure system that entire note adopts network not to be damaged, has not needed to resettle pressing weighing apparatus, guaranteeing oil well output, improving
Gas injection timeliness etc. has huge effect.The configuration of the present invention is simple, it is versatile, there is good economic benefit and society's effect
Benefit.
Operating Pressure of the present invention can generate following significant comprehensive benefit:
1, payzone is protected, is improved reserves utilization rate (recovery ratio)；
2, it realizes no pollution, extends the production cycle of oil/gas well；
3, environment is protected, zero-emission is realized in energy-saving and emission-reduction；
4, production capacity restoration costs have been saved；
5, well killing fluid cost has been saved；
6, do not stop production operation；
7, shorten the synthetic job duration.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is the schematic view of the front view of centralizer of the present invention；
Fig. 3 is the overlooking structure diagram of centralizer of the present invention；
Major part in figure: I-shaped flange 1, thermal recovery gate valve 2, greasing positioning screw cap 3, hydraulic blowout preventer 4, grease pouring valve 5, note
Rouge sealer 6, ring gasket 7, hydraulic blowout preventer 8, pressure relief flange 9, centralizer positioning screw cap 10, washer 11, centralizer 12 are surveyed
Warm cable 13, packing gland 14, packing 15, packing box 16, relief valve 17, pipe sleeve 18.
Specific embodiment
The present invention will be described in further detail combined with specific embodiments below, but protection scope of the present invention is not had
The embodiment of body is limited, and is subject to claims.In addition, with without prejudice under the premise of technical solution of the present invention, to this hair
Any modifications or changes easy to accomplish of those of ordinary skill in the art made by bright fall within claim model of the invention
Within enclosing.
Embodiment 1:
As shown in Figure 1, 2, 3, for SAGD well temperature measuring cable it is with pressure mention, under sealing device, including relief valve, thermal recovery lock
Another end flanges and thermal recovery gate valve for the I-shaped flange that valve, hydraulic blowout preventer and grease pouring valve, one end flanges and well head match
End flange be connected, the end flange of another end flanges of thermal recovery gate valve and greasing sealer is connected, greasing sealer it is another
End flange and the end flange of hydraulic blowout preventer are connected, another end flanges and concatenated pressure relief flange and disk of hydraulic blowout preventer
The end flange of root box is connected, and the other end of packing box is threadedly coupled with packing gland, I-shaped flange and thermal recovery gate valve, thermal recovery lock
Valve and greasing sealer, greasing sealer and hydraulic blowout preventer and hydraulic blowout preventer and pressure relief flange and pressure relief flange and packing
Ring gasket is equipped between box.
Pipe sleeve 18, greasing pressing sleeve 4 and greasing are respectively equipped at axial centre in above-mentioned greasing sealer from top to down
Positioning screw cap 3, and the axial centre of three is equipped with the through-hole being adapted to 13 diameter of temperature measuring cable.
The transverse center line position of above-mentioned pipe sleeve 18 is at least provided with a grease pouring valve 5, and to be fixed on greasing close for grease pouring valve 5
It seals on device 6.
Above-mentioned 9 lateral middle of pressure relief flange is equipped with relief valve 17.
At axial centre in above-mentioned packing box 15 to it is lower and on be respectively equipped with centralizer positioning screw cap 10, washer 11,
Centralizer 12, packing 15 and packing fixed stop.
It is additionally provided with centralizer 12 at axial centre in above-mentioned packing gland 14, and is contacted with packing 15.
Above-mentioned centralizer 12 is two arc rings equipped with ectonexine, the middle part dislocation lap joint Cheng Yuan of two arc rings
Shape is constituted.
Above-mentioned I-shaped flange 1, thermal recovery gate valve 2, hydraulic blowout preventer 8 and pressure relief flange 9 axial centre at be equipped with
The through-hole of 48mm.
Hydraulic power unit control of the above-mentioned hydraulic blowout preventer 8 by distance less than 10 meters.
The through-hole being adapted to 13 diameter of temperature measuring cable is equipped at the axial centre of above-mentioned packing gland 14.
When Specific construction of the present invention: using the present invention for SAGD well temperature measuring cable it is with pressure mention, under sealing device, with 18mm
For temperature measuring cable, well head pressure need to be first confirmed not higher than 2MPa, and temperature is not higher than 200 DEG C, and steam injection well requires to stop in 100 meters of surrounding
Note guarantees that the pressure and temp of construction well is stablized, then constructs according to the following steps:
One, temperature measuring cable 13 is with pressure goes into the well:
1) by temperature measuring cable it is with pressure mention, in lower sealing device fan-shaped one end of I-shaped flange 1 and well head cooperation after install fasten
It is good；
2) thermal recovery gate valve 2 is installed again, and greasing sealer 6 is sequentially installed on thermal recovery gate valve 2, hydraulic blowout preventer 8, is let out
Pressure flange 9, packing box 16 and packing gland 14, until by temperature measuring cable it is with pressure mention, lower sealing device is all installed and is fastened and stops；
3) observation packing temperature measuring cable whether is sealed, then open thermal recovery gate valve 2, by injection device by temperature measuring cable 13 from
Temperature measuring cable is with pressure to be mentioned, introduces at the top of lower sealing device until reaching design thermometric depth；
4) after temperature measuring cable 13 is lowered into design position, by grease filling machine to temperature measuring cable it is with pressure mention, the greasing of lower sealing device
The sealing of temperature measuring cable 13 is realized in 5 greasing of grease pouring valve of sealer 6；
5) after bleeding off pressure by relief valve 17, remove packing, then by beat elevator from temperature measuring cable it is with pressure mention, lower sealing device
Upper end starts to remove packing gland 14, packing box 16, pressure relief flange 9 and the sealer 8 that surges respectively, and it is static close finally to install well head
Seal apparatus seals well head and temperature measuring cable 13.
Two, temperature measuring cable proposition well head with pressure:
1) by grease pouring valve 5 greasing of the grease filling machine to greasing sealer 6, the sealing of temperature measuring cable 13 is realized；
2) by beating elevator mode with crane cooperation, well head static seal device is removed, and on greasing sealer 6 sequentially
Surge sealer 8, pressure relief flange 9, packing box 16 and packing gland 14 are installed, and fastened；
3) it proposes that device proposes temperature measuring cable 13 into greasing sealer 6 by temperature measuring cable, closes thermal recovery gate valve 2；
4) after being bled off pressure by relief valve 17, the packing 15 in packing box 16 is taken out, temperature measuring cable 13 is all proposed；
5) packing box 16, pressure relief flange 9, hydraulic blowout preventer 8 and greasing sealer 6 are sequentially removed, well is finally installed again
Mouthful static seal device is by wellhead sealing.
Claims (9)
1. for SAGD well temperature measuring cable it is with pressure mention, under sealing device, including relief valve, thermal recovery gate valve, hydraulic blowout preventer and
Grease pouring valve, it is characterised in that: another end flanges and thermal recovery gate valve (2) of one end flanges and the I-shaped flange (1) of well head matching
End flange be connected, the end flange of another end flanges of thermal recovery gate valve (2) and greasing sealer (6) is connected, greasing sealing
Another end flanges of device (6) and the end flange of hydraulic blowout preventer (8) are connected, another end flanges and string of hydraulic blowout preventer (8)
The pressure relief flange (9) of connection and the end flange of packing box (16) are connected, the other end and packing gland (14) spiral shell of packing box (16)
Line connection, I-shaped flange (1) and thermal recovery gate valve (2), thermal recovery gate valve (2) and greasing sealer (6), greasing sealer (6) and liquid
It is equipped between dynamic preventer (8) and hydraulic blowout preventer (8) and pressure relief flange (9) and pressure relief flange (9) and packing box (16)
Ring gasket (7), the pressure relief flange (9) lateral middle are equipped with relief valve (17).
2. it is according to claim 1 for SAGD well temperature measuring cable it is with pressure mention, under sealing device, it is characterised in that it is described
Pipe sleeve (18), greasing pressing sleeve (4) and greasing positioning screw cap are respectively equipped at axial centre in greasing sealer (6) from top to down
(3), and the axial centre of three is equipped with the through-hole being adapted to temperature measuring cable (13) diameter.
3. it is according to claim 2 for SAGD well temperature measuring cable it is with pressure mention, under sealing device, it is characterised in that it is described
The transverse center line position of pipe sleeve (18) is at least provided with a grease pouring valve (5), and grease pouring valve (5) is fixed on greasing sealer (6)
On.
4. it is according to claim 1 for SAGD well temperature measuring cable it is with pressure mention, under sealing device, it is characterised in that it is described
At axial centre in packing box (16) to it is lower and on be respectively equipped with centralizer positioning screw cap (10), washer (11), centralizer
(12), tower packing (15) and packing fixed stop.
5. it is according to claim 1 for SAGD well temperature measuring cable it is with pressure mention, under sealing device, it is characterised in that it is described
It is additionally provided at axial centre in packing gland (14) centralizer (12), and is contacted with packing (15).
6. it is according to claim 4 or 5 for SAGD well temperature measuring cable it is with pressure mention, under sealing device, it is characterised in that institute
The centralizer (12) stated is two arc rings equipped with ectonexine, and the middle part dislocation lap joint of two arc rings is constituted at circle.
7. it is according to claim 1 for SAGD well temperature measuring cable it is with pressure mention, under sealing device, it is characterised in that it is described
I-shaped flange (1), thermal recovery gate valve (2), hydraulic blowout preventer (8) and pressure relief flange (9) axial centre at be equipped with 35 ~ 60mm
Through-hole.
8. it is according to claim 1 or claim 7 for SAGD well temperature measuring cable it is with pressure mention, under sealing device, it is characterised in that institute
Hydraulic power unit control of the hydraulic blowout preventer (8) stated by distance less than 10 meters.
9. it is according to claim 1 for SAGD well temperature measuring cable it is with pressure mention, under sealing device, it is characterised in that it is described
The through-hole being adapted to temperature measuring cable (13) diameter is equipped at the axial centre of packing gland (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911933.5A CN106285547B (en) | 2016-10-19 | 2016-10-19 | For SAGD well temperature measuring cable it is with pressure mention, under sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911933.5A CN106285547B (en) | 2016-10-19 | 2016-10-19 | For SAGD well temperature measuring cable it is with pressure mention, under sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106285547A CN106285547A (en) | 2017-01-04 |
| CN106285547B true CN106285547B (en) | 2018-12-04 |
Family
ID=57719047
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610911933.5A Active CN106285547B (en) | 2016-10-19 | 2016-10-19 | For SAGD well temperature measuring cable it is with pressure mention, under sealing device |
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| CN (1) | CN106285547B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4423775A (en) * | 1981-06-04 | 1984-01-03 | Wilson James A | Line stripper |
| CN2286239Y (en) * | 1997-04-02 | 1998-07-15 | 中国石油天然气总公司石油勘探开发科学研究院廊坊分院完井工艺研究所 | Low-voltage electric cable test wellhead blowout preventor |
| CN204804750U (en) * | 2015-07-16 | 2015-11-25 | 任丘市博鑫石油机械制造有限公司 | Cable blowout preventer |
| CN204804739U (en) * | 2015-06-01 | 2015-11-25 | 中国石油化工股份有限公司 | Oil pipe prevents gusher mouth pressure relief device |
| CN205172507U (en) * | 2015-12-10 | 2016-04-20 | 盘锦鸿海钻采技术发展有限公司 | Natural gas is annotated, is adopted well cable logging high pressure and prevents system of spouting |
| CN206091928U (en) * | 2016-10-19 | 2017-04-12 | 克拉玛依天兴泰石油科技有限公司 | A sealing device that is used for SAGD well surveying temperature cable area pressure to carry, descend |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8047295B2 (en) * | 2007-04-24 | 2011-11-01 | Fmc Technologies, Inc. | Lightweight device for remote subsea wireline intervention |
-
2016
- 2016-10-19 CN CN201610911933.5A patent/CN106285547B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4423775A (en) * | 1981-06-04 | 1984-01-03 | Wilson James A | Line stripper |
| CN2286239Y (en) * | 1997-04-02 | 1998-07-15 | 中国石油天然气总公司石油勘探开发科学研究院廊坊分院完井工艺研究所 | Low-voltage electric cable test wellhead blowout preventor |
| CN204804739U (en) * | 2015-06-01 | 2015-11-25 | 中国石油化工股份有限公司 | Oil pipe prevents gusher mouth pressure relief device |
| CN204804750U (en) * | 2015-07-16 | 2015-11-25 | 任丘市博鑫石油机械制造有限公司 | Cable blowout preventer |
| CN205172507U (en) * | 2015-12-10 | 2016-04-20 | 盘锦鸿海钻采技术发展有限公司 | Natural gas is annotated, is adopted well cable logging high pressure and prevents system of spouting |
| CN206091928U (en) * | 2016-10-19 | 2017-04-12 | 克拉玛依天兴泰石油科技有限公司 | A sealing device that is used for SAGD well surveying temperature cable area pressure to carry, descend |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106285547A (en) | 2017-01-04 |
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