CN106703763A - Intelligent layered mining system applicable to offshore oilfield sand control well completion - Google Patents
Intelligent layered mining system applicable to offshore oilfield sand control well completion Download PDFInfo
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- CN106703763A CN106703763A CN201710005793.XA CN201710005793A CN106703763A CN 106703763 A CN106703763 A CN 106703763A CN 201710005793 A CN201710005793 A CN 201710005793A CN 106703763 A CN106703763 A CN 106703763A
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- packer
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- 239000004576 sand Substances 0.000 title claims abstract description 15
- 238000005065 mining Methods 0.000 title abstract 5
- 238000003780 insertion Methods 0.000 claims abstract description 18
- 230000037431 insertion Effects 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims description 93
- 238000007789 sealing Methods 0.000 claims description 26
- 230000035515 penetration Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 239000003129 oil well Substances 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000011161 development Methods 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 235000020681 well water Nutrition 0.000 abstract description 2
- 241000191291 Abies alba Species 0.000 abstract 1
- 239000002356 single layer Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 21
- 239000010620 bay oil Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/14—Obtaining from a multiple-zone well
-
- 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
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/001—Survey of boreholes or wells for underwater installation
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an intelligent layered mining system applicable to offshore oilfield sand control well completion. The intelligent layered mining system comprises a well mouth Christmas tree, an underground safety valve, a cable-passing packer, a Y connector, a holed pipe, a cable-passing positioning seal, a first intelligent bottom-hole regulator, a first cable-passing insertion seal, a second intelligent bottom-hole regulator, a second able-passing insertion seal, a third intelligent bottom-hole regulator and a round plug which are connected through oil pipes, wherein the cable-passing packer is provided with an air vent valve and a cable passing device, the Y connector is connected with an electric submersible pump unit, the electric submersible pump unit is connected with an electric submersible pump control system, and the first intelligent bottom-hole regulator, the second intelligent bottom-hole regulator and the third intelligent bottom-hole regulator are all connected to a ground controller. The intelligent layered mining system can achieve oil well water finding, layered testing, water plugging, layered mining and other purposes through one-time operation, can conduct real-time monitoring and real-time control on single-layer flow, water content, pressure, temperature and other underground parameters, achieves low-cost and efficiency oilfield development and is applicable to offshore oilfield sand control well completion.
Description
Technical field
It is to be related to one kind to be applied to sea in particular the invention belongs to offshore oilfield intelligence hierarchical-development technical field
The intelligent separate zone production system of upper oil field sand control completion.
Background technology
As Bohai Bay Oil exploitation enters high water cut stage, some low aqueous, low permeability pays can not be exploited normally, in order to
These problems are solved, it is necessary to implement the measures such as water detection, zonal testing, water blockoff, separate zone production to oil well.Bohai Bay Oil is with High angle
Based on well, horizontal well development, oil well uses selective sand control completion, the mode of production to be mainly using electric submersible pump lifting, separate zone production
Oil well be usually that using Y-piece post, pay interval looks for water blockoff, zonal testing, to adjust layer to be needed when producing logical using sliding sleeve control
Cross steel wire or wireline operation, construct it is cumbersome, account for that the well cycle is long, operating cost is high, and cannot realize individual layer flow, moisture content,
Continuously adjusting for the isoparametric real-time monitoring of pressure, temperature and individual layer flow, limits the effect of oil well delamination exploitation.It is existing
Oil well delamination production technique be present, and not be suitable for the hole condition condition of Bohai Bay Oil.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided one kind is applied to offshore oilfield sand control completion
Intelligent separate zone production system, by water detection, zonal testing, water blockoff, separate zone production integrated pipe column and ground survey adjust control system
Composition, one-stop operation is to be capable of achieving the purposes such as oil well water detection, zonal testing, water blockoff, separate zone production, is made without steel wire or cable
The downhole parameters such as individual layer flow, moisture content, pressure, temperature can be carried out real-time monitoring and real-time control by industry, overcome original work
Skill construction is cumbersome, account for that the well cycle is long, operating cost is high, operating efficiency is low, cannot the defect such as real-time monitoring and control downhole parameters,
So as to realize oil field low cost, Efficient Development.
The purpose of the present invention is achieved through the following technical solutions.
A kind of intelligent separate zone production system suitable for offshore oilfield sand control completion of the invention, including sleeve pipe and be arranged at
Packer in sleeve pipe, is provided with screen casing between the two neighboring packer, one is formed between the two neighboring packer
Individual production layer, is provided with downhole integrated tubing string in described sleeve pipe, the downhole integrated tubing string is included from top to bottom by oil
Wellhead tree tree that pipe is sequentially connected, storm valve, cable-passing packer, Y-shaped connector, pipe with holes, cross cable location sealing, the
One intelligent production mandrel, first cross cable insertion sealing, the second intelligent production mandrel, second cross cable insertion sealing, the 3rd intelligence and match somebody with somebody
Produce device and circle is stifled, the cable-passing packer is provided with vent valve and cable penetration device, and the Y-shaped connector is connected with electric submersible pump machine
Group, the electric submersible pump unit is connected by power cable with electric submersible pump control system, the described first intelligent production mandrel, the second intelligence
The ground controller of production mandrel and the 3rd intelligent production mandrel by controlling cable connection to be connected with PC.
It is described to cross cable location sealing, first cross cable insertion sealing and second and cross cable insertion sealing and may be contained within packing
Inside device.
Described first intelligent production mandrel, the second intelligent production mandrel and the 3rd intelligent production mandrel correspond to a production layer and set respectively
Put.
The storm valve and vent valve are respectively connected with liquid controling pipe line, and use same liquid controling pipe line.
Compared with prior art, the beneficial effect that technical scheme is brought is：
(1) present invention is designed for the hole condition condition of Bohai Bay Oil selective sand control completion, is adopted using electric submersible pump Y types point
Tubing string, is capable of achieving the separate zone production that electric submersible pump group lifts well, and technological adaptability is strong；
(2) present invention is powered and signal transmitted in both directions using control cable to downhole tool, transmitting procedure security reliability
It is high；
(3) present invention carries out one-stop operation and is capable of achieving the purpose such as water detection, zonal testing, water blockoff, separate zone production, and
Control can carry out real-time monitoring and real-time control to each interval production status in platform, process is simple, make without steel wire or cable
Industry, operating cost are low, later maintenance convenient management, for platform other measures provide more operation windows, so as to realize sea
Oil field low cost, Efficient Development；
(4) present invention can carry out continuous monitoring to Reservoir behavior, realize oil well intelligent separate zone production, be that oil reservoir is opened
Start state to adjust and sufficient reliable big data support is provided.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the schematic diagram of ground controller in the present invention.
Reference:1st, storm valve；2nd, vent valve；3rd, cable penetration device；4th, cable-passing packer；5th, Y-shaped connector；6、
Electric submersible pump unit；7th, pipe with holes；8th, cable location sealing is crossed；9th, the first intelligent production mandrel；10th, first cable insertion sealing is crossed；
11st, the second intelligent production mandrel；12nd, second cable insertion sealing is crossed；13rd, the 3rd intelligent production mandrel；14th, circle is stifled；15th, hydraulic control pipe
Line；16th, power cable；17th, cable is controlled；18th, wellhead tree tree；19th, electric submersible pump control system；20th, ground controller；21、
PC；22nd, sleeve pipe；23rd, oil pipe；24th, packer；25th, screen casing.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
A kind of intelligent separate zone production system suitable for offshore oilfield sand control completion of the invention, including sleeve pipe 22, it is described
Multiple packers 24 are provided with sleeve pipe 22, screen casing 25 is provided between the two neighboring packer 24, it is two neighboring described
A production layer is formed between packer 24, packer 24 is provided with four in Fig. 1, form three production layers.
Downhole integrated tubing string is provided with described sleeve pipe 22, the downhole integrated tubing string is anti-for Bohai Bay Oil layering
The characteristics of sand completion, is designed, overall to adopt integrated pipe column using electric submersible pump Y types intelligence point.The downhole integrated tubing string bag
Include from top to bottom be sequentially connected by oil pipe 23 wellhead tree tree 18, storm valve 1, cable-passing packer 4, Y-shaped connector 5,
Pipe with holes 7, cross the intelligent production mandrel 9, first of cable location sealing 8, first and cross the intelligent production mandrel of cable insertion sealing 10, second
11st, second the intelligent production mandrel 13 of cable insertion sealing the 12, the 3rd and circle stifled 14 are crossed.The storm valve 1 is oil pipe passage peace
Full control instrument, is connected with underground hydraulic-control pipeline 15, controls it to open and close by ground hydraulic, is in during normal production
Open mode, closing well or can close oil pipe passage when having overflow blowout, play a part of production safety control.
The cable-passing packer 4 is oil jacket annular space security control instrument, hydraulic setting, above proposes deblocking, described to cross cable
Packer 4 is provided with vent valve 2 and cable penetration device 3, and the cable penetration device 3 realizes well dynamic cable 16 and control cable
17 pass through, and the vent valve 2 is equally connected with underground hydraulic-control pipeline 15, control it to open and close by ground hydraulic, just
Open mode is often in during production, oil jacket annular space is connected with well head, releasable cable-passing packer is below 4 in oil jacket annular space
Gas, to ensure that electric submersible pump unit 6 runs well, when being in an emergency, ground release can close it, play control oil
The effect of set annular space safety, the vent valve 2 and storm valve 1 are controlled using same liquid controling pipe line 15, and both are same with opening
Close.
The Y-shaped connector 5 is that Bohai Bay Oil realizes that electric submersible pump unit 6 lifts the important kit of separate zone production, and the Y connects
First 5 top is connected with oil pipe 23, and two joints are arranged at bottom, and a joint is used for connecting electric submersible pump unit 6, and another joint is used for
Connection bottom separate-layer string.The electric submersible pump unit 6 is connected by power cable 16 with ground electric submersible pump control system 19, described
Power cable 16 be after for underground electric submersible pump unit 6 is powered and data transfer, passing through wellhead tree tree 18 with electric submersible pump control
System processed 19 is connected, and the electric submersible pump control system 19 can power for underground electric submersible pump unit 6, and to the work of electric submersible pump unit 6
It is monitored as state, it is ensured that the normal work of electric submersible pump unit 6.
The pipe with holes 7 is crossing the top of cable location sealing 8, connection oil pipe and oil jacket annular space, for downhole fluid provides stream
Dynamic passage.It is described cross cable location sealing 8, first and cross cable insertion sealing 10 and second and cross cable insertion sealing 12 may be contained within
Inside packer 24, the cable location sealing 8, first of crossing crosses cable insertion sealing 10 and second to cross cable insertion sealing 12 real
Existing zonal isolation, is designed with cable penetration passage, so that underground control cable 17 passes through.
The described first intelligent intelligent production mandrel 11 of production mandrel 9, second is identical with the 3rd intelligent structure of production mandrel 13, is well
The core of lower integrated pipe column, mainly by multiphase flow flowmeter, pressure gauge, moisture content meter, measurement control module, data
The parts such as reason module, electric machine actuating mechanism constitute, and are integrated with the isoparametric test function of flow, moisture content, pressure, temperature.Institute
Corresponding production layer is set respectively to state the first intelligent production mandrel 13 of the intelligent intelligent production mandrel 11 and the 3rd of production mandrel 9, second.Institute
State the first intelligent production mandrel 13 of the intelligent intelligent production mandrel 11 and the 3rd of production mandrel 9, second and connect ground by controlling cable 17
Controller 20, the ground controller 20 and the grade of PC 21 part constitute ground and survey tune control system.The control cable 17 is used
To power and realize that signal is two-way for the intelligent production mandrel 9, second in the underground first intelligent production mandrel 13 of intelligent production mandrel 11 and the 3rd
Transmission, is connected after passing through wellhead tree tree 18 with ground controller 20.The ground controller 20 is main by Switching Power Supply, master control
The part such as plate, communication board, driving plate, display board and annex constitutes, and its one end and underground control cable 17 to be connected, the other end and PC
Machine 21 be connected, can by PC 21 earthward controller 20 send instruction, and by under the received well of ground controller 20 first intelligence
The signal that the intelligent production mandrel 13 of the intelligent production mandrel the 11, the 3rd of production mandrel 9, second is transmitted, completion collection signal and control signal
Modulation /demodulation and the transmission of signal, realize and the intelligent intelligence of production mandrel the 11, the 3rd of the intelligent production mandrel 9, second in underground first is with product
Communication between device 13, so as to realize the real-time monitoring and real-time control of individual layer manufacturing parameter, reaches water detection, zonal testing, blocks up
The purposes such as water, separate zone production, according to the concrete condition of downhole parameters, formulate the optimal production system of producing well, and Fig. 2 is controlled for ground
The principle schematic of device processed 20.
Assemble downhole integrated tubing string according to design, and under lower going-into-well integrated pipe column in place, well head suppresses completion
Cable-passing packer 4 is setting, carries out cable penetration and protection in construction as requested, after tubing string tests sealing lattice, recovers well head, opens
Well is produced.After oil well operation terminates, by PC 21 from ground controller 20 to the intelligent intelligence of production mandrel 9, second in underground first
The intelligent production mandrel 13 of production mandrel the 11, the 3rd sends instruction, has been in the corresponding intelligent production mandrel oil nozzle of each pay interval
Full open mode, several days of steady production, can before and after flow, moisture content, the oil nozzle of direct access each interval pressure, temperature etc. it is raw
Produce parameter, by analysis determine high aquifer formation, realize water detection and zonal testing purpose, for production parameter adjustment provides reliably according to
According to.Strata pressure recovery curve is obtained if desired, can be from ground to first the 9, second intelligent production mandrel 11 of intelligent production mandrel, the
Three intelligent production mandrels 13 send instruction, close the intelligent production mandrel oil nozzle of correspondence interval, recover so as to measure corresponding strata pressure
Curve.According to the manufacturing parameter for measuring, judge with reference to the analysis of oil reservoir development personnel, determine rational production system, can root
According to the intelligent production mandrel oil nozzle aperture size for needing any regulation correspondence interval, individual layer water content and Liquid output are controlled, to reach
Optimal production status.In addition it is also possible in ground PC 21 to the intelligent production mandrel 11 of the intelligent production mandrel 9, second in underground first,
The working condition of the 3rd intelligent production mandrel 13 is configured, and it is operated according to the state for setting, if actual production
State deviates setting state, and the first intelligent production mandrel 13 of the intelligent intelligent production mandrel the 11, the 3rd of production mandrel 9, second can be carried out automatically
Regulation, recovers to working condition is set, and whole system realizes oil well intelligent hierarchical-development.
Although being described to function of the invention and the course of work above in conjunction with accompanying drawing, the invention is not limited in
Above-mentioned concrete function and the course of work, above-mentioned specific embodiment are only schematical, rather than restricted, ability
The those of ordinary skill in domain is not departing from present inventive concept and scope of the claimed protection situation under enlightenment of the invention
Under, many forms can also be made, these are belonged within protection of the invention.
Claims (4)
1. a kind of intelligent separate zone production system suitable for offshore oilfield sand control completion, including sleeve pipe and the envelope being arranged in sleeve pipe
Every device, screen casing is provided between the two neighboring packer, a production layer is formed between the two neighboring packer, its
It is characterised by, downhole integrated tubing string is provided with described sleeve pipe, and the downhole integrated tubing string is included from top to bottom by oil
Wellhead tree tree that pipe is sequentially connected, storm valve, cable-passing packer, Y-shaped connector, pipe with holes, cross cable location sealing, the
One intelligent production mandrel, first cross cable insertion sealing, the second intelligent production mandrel, second cross cable insertion sealing, the 3rd intelligence and match somebody with somebody
Produce device and circle is stifled, the cable-passing packer is provided with vent valve and cable penetration device, and the Y-shaped connector is connected with electric submersible pump machine
Group, the electric submersible pump unit is connected by power cable with electric submersible pump control system, the described first intelligent production mandrel, the second intelligence
The ground controller of production mandrel and the 3rd intelligent production mandrel by controlling cable connection to be connected with PC.
2. a kind of intelligent separate zone production system suitable for offshore oilfield sand control completion according to claim 1, its feature
It is, it is described to cross cable location sealing, first cross cable insertion sealing and second and cross cable insertion sealing and may be contained within packer
It is internal.
3. a kind of intelligent separate zone production system suitable for offshore oilfield sand control completion according to claim 1, its feature
It is that the described first intelligent production mandrel, the second intelligent production mandrel and the 3rd intelligent production mandrel correspond to a production layer and set respectively.
4. a kind of intelligent separate zone production system suitable for offshore oilfield sand control completion according to claim 1, its feature
It is that the storm valve and vent valve are respectively connected with liquid controling pipe line, and use same liquid controling pipe line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005793.XA CN106703763A (en) | 2017-01-04 | 2017-01-04 | Intelligent layered mining system applicable to offshore oilfield sand control well completion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005793.XA CN106703763A (en) | 2017-01-04 | 2017-01-04 | Intelligent layered mining system applicable to offshore oilfield sand control well completion |
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| Publication Number | Publication Date |
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| CN106703763A true CN106703763A (en) | 2017-05-24 |
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ID=58905882
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| CN201710005793.XA Pending CN106703763A (en) | 2017-01-04 | 2017-01-04 | Intelligent layered mining system applicable to offshore oilfield sand control well completion |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894761A (en) * | 2018-08-06 | 2018-11-27 | 中国海洋石油集团有限公司 | A kind of one-trip string seperated layer water injection sand control back washing device and method |
| CN109057755A (en) * | 2018-08-19 | 2018-12-21 | 中国海洋石油集团有限公司 | A kind of downhole rotational-flow gas-liquid point adopts tubing string and systematic analytic method |
| CN110242281A (en) * | 2019-07-19 | 2019-09-17 | 西安思坦仪器股份有限公司 | A kind of oil well intelligent calibration self checking method and device |
| CN112031683A (en) * | 2020-08-19 | 2020-12-04 | 中国海洋石油集团有限公司 | Sand washing and sand carrying lifting production integrated process pipe column and method thereof |
| CN112252999A (en) * | 2020-10-20 | 2021-01-22 | 中国石油大学(华东) | Self-injection machine mining working condition integrated intelligent sand prevention pipe column and well completion method |
| CN112682032A (en) * | 2021-01-04 | 2021-04-20 | 中海石油(中国)有限公司 | Offshore intelligent well downhole data transmission method and device |
| CN113236199A (en) * | 2020-11-09 | 2021-08-10 | 中国海洋石油集团有限公司 | Oil well cable control layered monitoring and intelligent production allocation system and use method thereof |
| CN113605864A (en) * | 2019-06-28 | 2021-11-05 | 周静 | Be applicable to offshore oil field intelligence layering mining devices |
| CN113669036A (en) * | 2020-05-13 | 2021-11-19 | 中国海洋石油集团有限公司 | Hydraulic control layered oil production system |
| CN113738318A (en) * | 2021-08-10 | 2021-12-03 | 中海油田服务股份有限公司 | Electric control intelligent layered water control oil production device |
| CN113969783A (en) * | 2020-07-23 | 2022-01-25 | 中国石油天然气股份有限公司 | Underground fluid stratified sampling system and stratified sampling method |
| CN114198065A (en) * | 2021-08-24 | 2022-03-18 | 中国石油天然气集团有限公司 | Leak preventer for sea natural gas hydrate reservoir and method for determining using amount of leak preventer material in leak preventer |
| CN114482921A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Electro-hydraulic integrated switch and application thereof |
| CN114776262A (en) * | 2022-04-02 | 2022-07-22 | 中国海洋石油集团有限公司 | Underground heat generation device for offshore heavy oil thermal recovery and application thereof |
| CN114856494A (en) * | 2021-02-04 | 2022-08-05 | 中国石油天然气股份有限公司 | Gas-water output profile testing method for coal bed gas combined production well |
| CN114198065B (en) * | 2021-08-24 | 2024-05-24 | 中国石油天然气集团有限公司 | Leakage-proof agent for sea area natural gas hydrate reservoir and method for determining leakage-proof material dosage in leakage-proof agent |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2900906A1 (en) * | 2012-09-26 | 2015-08-05 | Halliburton Energy Services, Inc. | Single trip multi-zone completion systems and methods |
| CN205445558U (en) * | 2016-03-08 | 2016-08-10 | 中国海洋石油总公司 | Novel double pump technology tubular column in pit |
| CN106121598A (en) * | 2016-06-30 | 2016-11-16 | 中国石油化工股份有限公司 | Oil well delamination production fluid measure and control test device |
| CN106121600A (en) * | 2016-08-21 | 2016-11-16 | 中国石油化工股份有限公司 | A kind of layering section exploitation observing and controlling flow string |
| CN106150433A (en) * | 2016-08-21 | 2016-11-23 | 中国石油化工股份有限公司 | A kind of downhole intelligent balanced production control valve |
-
2017
- 2017-01-04 CN CN201710005793.XA patent/CN106703763A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2900906A1 (en) * | 2012-09-26 | 2015-08-05 | Halliburton Energy Services, Inc. | Single trip multi-zone completion systems and methods |
| CN205445558U (en) * | 2016-03-08 | 2016-08-10 | 中国海洋石油总公司 | Novel double pump technology tubular column in pit |
| CN106121598A (en) * | 2016-06-30 | 2016-11-16 | 中国石油化工股份有限公司 | Oil well delamination production fluid measure and control test device |
| CN106121600A (en) * | 2016-08-21 | 2016-11-16 | 中国石油化工股份有限公司 | A kind of layering section exploitation observing and controlling flow string |
| CN106150433A (en) * | 2016-08-21 | 2016-11-23 | 中国石油化工股份有限公司 | A kind of downhole intelligent balanced production control valve |
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| CN108894761B (en) * | 2018-08-06 | 2020-08-18 | 中国海洋石油集团有限公司 | One-trip pipe column separate-layer water injection sand prevention backwashing device and method |
| CN108894761A (en) * | 2018-08-06 | 2018-11-27 | 中国海洋石油集团有限公司 | A kind of one-trip string seperated layer water injection sand control back washing device and method |
| CN109057755B (en) * | 2018-08-19 | 2021-02-19 | 中国海洋石油集团有限公司 | Underground rotational flow gas-liquid separate production pipe column and system analysis method |
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