CN106368645B - SAGD well temperature measuring cable is with pressure to be mentioned, under construction method - Google Patents
SAGD well temperature measuring cable is with pressure to be mentioned, under construction method Download PDFInfo
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- CN106368645B CN106368645B CN201610911934.XA CN201610911934A CN106368645B CN 106368645 B CN106368645 B CN 106368645B CN 201610911934 A CN201610911934 A CN 201610911934A CN 106368645 B CN106368645 B CN 106368645B
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000010796 Steam-assisted gravity drainage Methods 0.000 title claims abstract description 18
- 238000012856 packing Methods 0.000 claims abstract description 81
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000011084 recovery Methods 0.000 claims abstract description 30
- 239000004519 grease Substances 0.000 claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 21
- 238000013461 design Methods 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 8
- 238000010009 beating Methods 0.000 claims abstract description 5
- 238000010793 Steam injection (oil industry) Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000000740 bleeding effect Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 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
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 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
- 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
- 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)
- Earth Drilling (AREA)
Abstract
The invention discloses SAGD well temperature measuring cable it is with pressure mention, under construction method.It goes into the well the following steps are included: temperature measuring cable is with pressure: being fastened being installed behind fan-shaped one end of I-shaped flange and well head cooperation；By temperature measuring cable it is with pressure mention, lower sealing device is all installed and is fastened and stops；It is put into packing into packing box, and compresses packing with gland for packing box, whether observation packing is sealed temperature measuring cable, then opens thermal recovery gate valve, and temperature measuring cable is mentioned, introduced at the top of lower sealing device up to reaching design thermometric depth from temperature measuring cable is with pressure by injection device；After temperature measuring cable is lowered into design position, by grease filling machine to temperature measuring cable it is with pressure mention, the grease pouring valve greasing of the greasing sealer of lower sealing device, realize the sealing of temperature measuring cable；After being bled off pressure by relief valve, remove packing, it mentions by beating elevator again, remove packing gland, packing box, pressure relief flange and the sealer that surges lower sealing device upper end respectively since temperature measuring cable is with pressure, well head static seal device is finally installed and seals well head and temperature measuring cable；The present invention efficiently reduces pollution, protects environment.
Description
Technical field
The present invention relates to a kind of construction method, more particularly, to a kind of SAGD well temperature measuring cable it is with pressure mention, under construction method.
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
The SAGD well temperature measuring cable of environment is with pressure to be mentioned, under construction method.
The technical solution that the present invention solves technical problem is: SAGD well temperature measuring cable is with pressure to be mentioned, under construction method, including with
Lower step:
One, temperature measuring cable is with pressure goes into the well:
Step 1) by temperature measuring cable it is with pressure mention, in lower sealing device fan-shaped one end of I-shaped flange and well head cooperation after install
It fastens；
Step 2 installs thermal recovery gate valve again, and sequentially installs greasing sealer on thermal recovery gate valve, hydraulic blowout preventer, lets out
Pressure flange, packing box and packing gland, until by temperature measuring cable it is with pressure mention, lower sealing device is all installed and is fastened and stops；
Step 3) is put into packing into packing box, and compresses packing with gland for packing box, and whether observation packing is sealed survey
Then warm cable opens thermal recovery gate valve 2, temperature measuring cable is mentioned, introduced at the top of lower sealing device from temperature measuring cable is with pressure by injection device
Until reaching design thermometric depth；
After step 4) temperature measuring cable is lowered into design position, by grease filling machine to temperature measuring cable it is with pressure mention, the note of lower sealing device
The grease pouring valve greasing of rouge sealer, realizes the sealing of temperature measuring cable；
After step 5) is bled off pressure by relief valve, remove packing, then by beat elevator from temperature measuring cable it is with pressure mention, lower sealing dress
It sets upper end to start to remove packing gland, packing box, pressure relief flange and the sealer that surges respectively, well head standstill seal dress is finally installed
It sets and seals well head and temperature measuring cable；
Two, temperature measuring cable proposition well head with pressure:
Step 1) realizes the sealing of temperature measuring cable by grease pouring valve greasing of the grease filling machine to greasing sealer；
Step 2 removes well head static seal device by way of beating elevator with crane cooperation, and seals in greasing
Surge sealer, pressure relief flange, packing box and packing gland are sequentially installed on device, and fastened；
Step 3) proposes that device proposes temperature measuring cable into greasing sealer by temperature measuring cable, closes thermal recovery gate valve；
After step 4) is bled off pressure by relief valve, the packing in packing box is taken out, temperature measuring cable is all proposed；
Step 5) sequentially removes packing box, pressure relief flange, hydraulic blowout preventer and greasing sealer, finally installs well head again
Static seal device is by wellhead sealing.
Need first to confirm well head pressure before the step 1) not higher than 5MPa, temperature is not higher than 300 DEG C, 100 meters of surrounding
Interior steam injection well requires to stop infusing, and guarantees that the pressure and temp of construction well is stablized.
The other end for the I-shaped flange that the temperature measuring cable is with pressure to be mentioned, lower sealing device is one end flanges and well head matches
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.
Hydraulic power unit of the hydraulic blowout preventer by distance greater than 10 meters controls.
The present invention has following advantages and effect compared with prior art:
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, SAGD well temperature measuring cable it is with pressure mention, under construction method, comprising the following steps:
One, temperature measuring cable 13 is with pressure goes into the well:
Step 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
It fastens；
Step 2 installs thermal recovery gate valve 2 again, and greasing sealer 6, hydraulic blowout preventer are sequentially installed on thermal recovery gate valve 2
8, pressure relief 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
It is good to stop；
Step 3) is put into packing into packing box, and compresses packing with gland for packing box, and whether observation packing is sealed survey
Then warm cable opens thermal recovery gate valve 2, temperature measuring cable 13 is mentioned, drawn at the top of lower sealing device from temperature measuring cable is with pressure by injection device
Enter until reaching design thermometric depth, tripping in controls lowering velocity in the process, and preventing from being hampered fractures, and one is first slowly above mentioned after being hampered
Section distance is transferred again；
After step 4) temperature measuring cable 13 is lowered into design position, by grease filling machine to temperature measuring cable it is with pressure mention, lower sealing device
Greasing sealer 65 greasing of grease pouring valve, realize temperature measuring cable 13 sealing；
After step 5) is bled 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 quiet finally to install well head
Only sealing device seals well head and temperature measuring cable 13；
Two, temperature measuring cable proposition well head with pressure:
Step 1) realizes the sealing of temperature measuring cable 13 by grease pouring valve 5 greasing of the grease filling machine to greasing sealer 6；
Step 2 removes well head static seal device, and on greasing sealer 6 by beating elevator mode with crane cooperation
Surge sealer 8, pressure relief flange 9, packing box 16 and packing gland 14 are sequentially installed, and fastened；
Step 3) proposes that device proposes temperature measuring cable 13 into greasing sealer 6 by temperature measuring cable, closes thermal recovery gate valve 2；
After step 4) is bled off pressure by relief valve 17, the packing 15 in packing box 16 is taken out, temperature measuring cable 13 is all proposed；
Step 5) sequentially removes packing box 16, pressure relief flange 9, hydraulic blowout preventer 8 and greasing sealer 6, finally pacifies again
Well head static seal device is filled by wellhead sealing.
Need first to confirm well head pressure before above-mentioned step 1) not higher than 5MPa, temperature is not higher than 300 DEG C, 100 meters of surrounding
Interior steam injection well requires to stop infusing, and guarantees that the pressure and temp of construction well is stablized.
The I-shaped flange 1 that above-mentioned temperature measuring cable is with pressure to be mentioned, lower sealing device, which is one end flanges, to match with well head it is another
End flanges and the end flange of thermal recovery gate valve 2 are connected, another end flanges of thermal recovery gate valve 2 and the end flange of greasing sealer 6
It is connected, another end flanges of greasing sealer 6 and the end flange of hydraulic blowout preventer 8 are connected, another hold-carrying of hydraulic blowout preventer 8
It is blue to be connected with the end flange of concatenated pressure relief flange 9 and packing box 16, the other end and 14 screw thread of packing gland of packing box 16
Connection, I-shaped flange 1 and thermal recovery gate valve 2, thermal recovery gate valve 2 and greasing sealer 6, greasing sealer 6 and hydraulic blowout preventer 8 and
Ring gasket 7 is equipped between hydraulic blowout preventer 4 and pressure relief flange 9 and pressure relief flange 9 and packing box 16.
Pipe sleeve 18, greasing pressing sleeve 4 and greasing are respectively equipped at axial centre in above-mentioned greasing sealer 6 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, tower 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.
Hydraulic power unit control of the above-mentioned hydraulic blowout preventer 8 by distance less than 10 meters.
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 35 ~ 60mm.
The through-hole being adapted to 13 diameter of temperature measuring cable is equipped at the axial centre of above-mentioned packing gland 14.
Claims (9)
1.SAGD well temperature measuring cable is with pressure to be mentioned, under construction method, it is characterised in that the following steps are included:
It goes into the well Step 1: temperature measuring cable (13) is with pressure:
1) it mentions temperature measuring cable is with pressure, installs and fasten after fan-shaped one end of I-shaped flange (1) and well head cooperation in lower sealing device；
2) it installs again thermal recovery gate valve (2), and greasing sealer (6), hydraulic blowout preventer is sequentially installed on thermal recovery gate valve (2)
(8), pressure relief flange (9), packing box (16) and packing gland (14), until by temperature measuring cable it is with pressure mention, lower sealing device all pacify
It fills and fastens and stop；
3) ajust temperature measuring cable it is with pressure mention, under, observation packing temperature measuring cable whether is sealed, then open thermal recovery gate valve (2), pass through note
Enter device and temperature measuring cable (13) is mentioned, introduced up to reaching design thermometric depth at the top of lower sealing device from temperature measuring cable is with pressure；
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 it is close
Grease pouring valve (5) greasing of device (6) is sealed, realizes the sealing of temperature measuring cable (13)；
5) after bleeding off pressure by relief valve (17), packing is removed, then mention, on lower sealing device from temperature measuring cable is with pressure by beating elevator
End starts to remove packing gland (14), packing box (16), pressure relief flange (9) and the sealer that surges (8) respectively, finally installs well head
Static seal device seals well head and temperature measuring cable (13)；
Step 2: temperature measuring cable proposition well head with pressure:
1) by grease pouring valve (5) greasing of grease filling machine to greasing sealer (6), the sealing of temperature measuring cable (13) is realized；
2) by beating elevator mode with crane cooperation, it is packed into packing, removes well head static seal device, and in greasing sealer
(6) surge sealer (8), pressure relief flange (9), packing box (16) and packing gland (14) are sequentially installed on, 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, is finally pacified again
Well head static seal device is filled by wellhead sealing,
Pressure relief flange (9) lateral middle is equipped with relief valve (17).
2. SAGD well temperature measuring cable according to claim 1 is with pressure to be mentioned, under construction method, it is characterised in that the step
Need first to confirm well head pressure before one not higher than 2MPa, temperature is not higher than 200 DEG C, and steam injection well requires to stop infusing in 100 meters of surrounding, protects
The pressure and temp of card construction well is stablized.
3. SAGD well temperature measuring cable according to claim 1 is with pressure to be mentioned, under construction method, it is characterised in that the thermometric
Another end flanges and thermal recovery gate valve for the I-shaped flange (1) that cable tie pressure mentions, lower sealing device is one end flanges and well head matching
(2) end flange is connected, and another end flanges of thermal recovery gate valve (2) and the end flange of greasing sealer (6) are connected, and greasing is close
Seal device (6) another end flanges and hydraulic blowout preventer (8) end flange be connected, another end flanges of hydraulic blowout preventer (8) with
The end flange of concatenated pressure relief flange (9) and packing box (16) is connected, the other end of packing box (16) and packing gland (14)
Be threadedly coupled, I-shaped flange (1) and thermal recovery gate valve (2), thermal recovery gate valve (2) and greasing sealer (6), greasing sealer (6) with
It is all provided between hydraulic blowout preventer (8) and hydraulic blowout preventer (8) and pressure relief flange (9) and pressure relief flange (9) and packing box (16)
There are ring gasket (7).
4. SAGD well temperature measuring cable according to claim 3 is with pressure to be mentioned, under construction method, it is characterised in that the greasing
Pipe sleeve (18), greasing pressing sleeve (4) and greasing positioning screw cap (3) are respectively equipped at axial centre in sealer (6) from top to down,
And the axial centre of three is equipped with the through-hole being adapted to temperature measuring cable (13) diameter.
5. SAGD well temperature measuring cable according to claim 4 is with pressure to be mentioned, under construction method, it is characterised in that the pipe sleeve
(18) transverse center line position is at least provided with a grease pouring valve (5), and grease pouring valve (5) is fixed on greasing sealer (6).
6. SAGD well temperature measuring cable according to claim 3 is with pressure to be mentioned, under construction method, it is characterised in that the packing
At axial centre in box (15) to it is lower and on be respectively equipped with centralizer positioning screw cap (10), washer (11), centralizer (12), tower
The packing (15) and packing fixed stop of formula.
7. SAGD well temperature measuring cable according to claim 3 is with pressure to be mentioned, under construction method, it is characterised in that the packing
It is additionally provided at axial centre in gland (14) centralizer (12), and is contacted with packing (15).
8. SAGD well temperature measuring cable according to claim 7 is with pressure to be mentioned, under construction method, it is characterised in that the righting
Device (12) is two arc rings equipped with ectonexine, and the middle part dislocation lap joint of two arc rings is constituted at circle.
9. SAGD well temperature measuring cable according to claim 3 is with pressure to be mentioned, under construction method, it is characterised in that described surges
Hydraulic power unit control of the preventer (8) by distance less than 10 meters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610911934.XA CN106368645B (en) | 2016-10-19 | 2016-10-19 | SAGD well temperature measuring cable is with pressure to be mentioned, under construction method |
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|---|---|---|---|
| CN201610911934.XA CN106368645B (en) | 2016-10-19 | 2016-10-19 | SAGD well temperature measuring cable is with pressure to be mentioned, under construction method |
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| CN106368645B true CN106368645B (en) | 2019-09-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108086952B (en) * | 2018-01-12 | 2024-06-14 | 科莱斯（天津）电热科技有限公司 | High-pressure wellhead T-cable hanging and releasing integrated device |
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| CN2135642Y (en) * | 1992-09-01 | 1993-06-09 | 辽河石油勘探局茨榆坨采油厂 | Changeable rod sealing device |
| 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 |
| WO2013163607A1 (en) * | 2012-04-27 | 2013-10-31 | Rohrback Cosasco Systems, Inc. | Magnetic retrieval tool |
| CN104675357A (en) * | 2013-12-02 | 2015-06-03 | 中国石油化工股份有限公司 | Simple wellhead device and application method thereof |
| CN204040979U (en) * | 2014-08-11 | 2014-12-24 | 中国石油化工股份有限公司 | Hi-pot test well low frictional resistance logging cable sealer |
| 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 |
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