CN113605865A - Control system suitable for offshore oil field intelligence layering exploitation device - Google Patents
Control system suitable for offshore oil field intelligence layering exploitation device Download PDFInfo
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- CN113605865A CN113605865A CN202110994447.5A CN202110994447A CN113605865A CN 113605865 A CN113605865 A CN 113605865A CN 202110994447 A CN202110994447 A CN 202110994447A CN 113605865 A CN113605865 A CN 113605865A
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- 238000005065 mining Methods 0.000 claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 11
- 238000012986 modification Methods 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000003129 oil well Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 18
- 238000012544 monitoring process Methods 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000002184 metal Substances 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005380 natural gas recovery Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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
- E21B43/01—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
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- 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
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
-
- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
- E21B47/047—Liquid level
-
- 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
- E21B47/06—Measuring temperature or pressure
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- 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)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a control system suitable for an offshore oilfield intelligent separate-layer mining device, which comprises a mining pipe, an air inlet pipe and an oil inlet cover, wherein the mining pipe is connected with the air inlet pipe; the control system comprises an information acquisition module, an analysis early warning module and an instruction control module, wherein the top of the mining pipe is welded with a connector, a plurality of air inlet pipes are arranged on the outer wall of the mining pipe at equal intervals, an oil inlet cover is sleeved on the outer wall of the bottom of the mining pipe, the inner wall of the oil inlet cover is communicated with an oil production pipe penetrating through the inner cavity of the mining pipe, and a booster pump is arranged inside the oil production pipe; the information acquisition module, the analysis early warning module and the instruction control module are connected in sequence. According to the intelligent layered exploitation device and the control system for the offshore oil field, the layered exploitation effect of oil gas in the oil well is achieved, the waste phenomenon of the oil gas is reduced, and the operation stability of the exploitation device is greatly improved.
Description
Technical Field
The invention relates to the technical field of offshore oilfield separate-layer mining, in particular to a control system suitable for an offshore oilfield intelligent separate-layer mining device.
Background
As the offshore oil field development enters a high water content stage, some low water content and low permeability oil layers can not be normally exploited, in order to solve the problems, measures such as water exploration, layered testing, water shutoff, layered mining and the like need to be carried out on an oil well, the offshore oil field mainly develops a highly-deviated well and a horizontal well, the oil well adopts layered sand control well completion, the production mode mainly adopts an electric submersible pump for lifting, the oil well for layered mining generally adopts a Y-shaped pipe column, the production interval is controlled by a sliding sleeve, the operations of steel wires or cables are needed during the water exploration, the layered testing and the layer adjustment production, the construction is complicated, the well occupying period is long, the operation cost is high, and the volatilization loss amount of natural gas during oil-gas layered exploitation can not be effectively reduced, so that the oil-gas exploitation efficiency is not high enough, and the effect of carrying out intelligent system control on the mining device is lacked, so that the operation safety and stability of the mining device are reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an intelligent layered mining device and a control system suitable for an offshore oilfield.
In order to achieve the purpose, the invention adopts the following technical scheme: a control system suitable for an intelligent layered mining device of an offshore oilfield comprises a mining pipe, an air inlet pipe and an oil inlet cover;
the top of the mining pipe is welded with a connector;
the number of the air inlet pipes is multiple, and the air inlet pipes are arranged on the outer wall of the mining pipe at equal intervals;
the oil inlet cover is sleeved on the outer wall of the bottom of the mining pipe, the inner wall of the oil inlet cover is communicated with an oil production pipe penetrating through the inner cavity of the mining pipe, and a booster pump is arranged inside the oil production pipe.
As a further description of the above technical solution:
the bottom welding of exploitation pipe has metal shrapnel, and the bottom elastic connection of metal shrapnel has pressure sensor, pressure sensor's bottom bolt fastening has the layer board.
As a further description of the above technical solution:
the device also comprises a servo motor;
the servo motor is fixed on the inner wall of the mining pipe through a bolt, the servo motor is in transmission connection with the lead screw through an output shaft, and the outer wall of the lead screw is in rolling connection with a nut seat;
the outer wall welding of nut seat has the mounting panel, the outer wall bolt fastening of mounting panel has automatically controlled push rod, and the outside of automatically controlled push rod is connected with the suction nozzle to the exit end intercommunication of suction nozzle has the gas production pipe.
As a further description of the above technical solution:
the device also comprises a sealing plug;
the sealing plug is embedded in the inner wall of the opening end of the air inlet pipe;
connecting rods are symmetrically welded on two sides of the sealing plug and are elastically connected with the outer wall of the air inlet pipe through welded springs;
and an oil level sensor is arranged on the outer wall of the air inlet pipe.
As a further description of the above technical solution:
the diameter of the outer wall of the air inlet nozzle is equal to the diameter of the inner wall of the air inlet pipe in size, and the length of the air inlet nozzle is larger than that of the air inlet pipe.
A control system suitable for an offshore oilfield intelligent separate-layer mining device comprises an information acquisition module, an analysis early warning module and an instruction control module;
the information acquisition module, the analysis early warning module and the instruction control module are connected in sequence.
As a further description of the above technical solution:
the information acquisition module comprises pressure monitoring unit and oil level monitoring unit, wherein, pressure monitoring unit is used for monitoring pressure sensor's real-time pressure numerical value, and oil level monitoring unit is used for monitoring being in the oil level sensor position of the minimum in not being in the oil.
As a further description of the above technical solution:
the analysis early warning module is composed of an abnormity warning unit and a parameter modification unit, wherein the abnormity warning unit is used for carrying out warning processing on the acquired abnormal data information at the first time, and the parameter modification unit is used for carrying out clear modification processing on the acquired fuzzified data information.
As a further description of the above technical solution:
the instruction control module is composed of a lifting control unit, a pushing control unit and a pressurizing control unit, wherein the lifting control unit is used for controlling working state parameters of the servo motor, the pushing control unit is used for controlling the working state parameters of the electric control push rod, and the pressurizing control unit is used for controlling the working state parameters of the pressurizing pump.
Advantageous effects
The invention provides a control system suitable for an intelligent layered mining device of an offshore oil field. The method has the following beneficial effects:
(1): this offshore oil field exploitation device adopts the gas production pipe and the oil production pipe of split type structure, can play the independent exploitation effect of layering to oil and natural gas in the offshore oil field, prevents the inefficiency that oil-gas mixture exploitation leads to, has also reduced the volatile volume of oil gas, avoids taking place the extravagant phenomenon of unnecessary oil gas.
(2): this offshore oil field exploitation device is through the suction nozzle of the elevation structure who sets up for the suction nozzle can carry out linear lift on the lead screw and remove, thereby according to the parting face height of oil gas, will be located the suction nozzle embedding of the high interior of natural gas and make it open in the suction nozzle, has realized the effect to the comprehensive exploitation of not co-altitude natural gas, and then can carry out comprehensive perfect exploitation processing with the oil gas in the oil well.
(3): this offshore oil field exploitation device's control system can carry out intelligent correction to the initial data information that the system gathered and compare the processing for the parameter data who gathers can directly provide control system and utilize, thereby detect out the unusual information of exploitation device operation in-process at the very first time, and carry out real-time alarm processing to it, the maximize improvement the operation safety and stability of offshore oil field exploitation device.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a control system suitable for an offshore oilfield intelligent zonal exploitation device according to the present invention;
FIG. 2 is a schematic illustration of the internal construction of a production tubing according to the present invention;
FIG. 3 is a schematic view showing the internal structure of the intake pipe according to the present invention;
FIG. 4 is a cross-sectional view of the joint of the nut socket of the present invention;
fig. 5 is a schematic view of the operation flow of the control system in the present invention.
Illustration of the drawings:
1. a connector; 2. extracting the pipe; 21. a production string; 22. a booster pump; 23. a servo motor; 24. a lead screw; 25. a nut seat; 251. mounting a plate; 252. an electrically controlled push rod; 253. an air inlet nozzle; 26. gas production pipe; 3. an air inlet pipe; 31. a sealing plug; 32. a connecting rod; 33. a spring; 34. an oil level sensor; 4. an oil inlet cover; 5. a support plate; 6. a pressure sensor; 7. a metal spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1 and 2, a control system suitable for an intelligent layered mining device of an offshore oilfield comprises a mining pipe 2, an air inlet pipe 3 and an oil inlet cover 4;
the top of the mining pipe 2 is welded with a connector 1;
the number of the air inlet pipes 3 is multiple, and the air inlet pipes 3 are arranged on the outer wall of the mining pipe 2 at equal intervals;
the oil inlet cover 4 is sleeved on the outer wall of the bottom of the mining pipe 2, the inner wall of the oil inlet cover 4 is communicated with an oil production pipe 21 penetrating through the inner cavity of the mining pipe 2, and a booster pump 22 is arranged inside the oil production pipe 21.
The working principle is as follows: with the external oil development drive device of connector 1 provide drive power for in exploitation pipe 2 can be embedded into the oil well, through the different exploitation modes of oil inlet cover 4 and intake pipe 3, with the leading-in exploitation pipe 2 respectively of oil liquid and natural gas in, finally outside exploitation is carried, realizes the effect to oil well layer mining.
As shown in fig. 1, the bottom welding of exploitation pipe 2 has metal shrapnel 7, and the bottom elastic connection of metal shrapnel 7 has pressure sensor 6, pressure sensor 6's bottom bolt fastening has layer board 5, when exploitation pipe 2 excessively descends, layer board 5 can contact the bottom of oil well, and along with the continuous decline of exploitation pipe 2, metal shrapnel 7 can be by extrusion deformation, pressure sensor 6 can the real-time extrusion force size that monitoring layer board 5 received this moment, thereby carry out the transmission of data to external controlgear, and then control the descending height of exploitation pipe 2.
As shown in fig. 2 and 4, the mining pipe further comprises a servo motor 23, the servo motor 23 is fixed on the inner wall of the mining pipe 2 by bolts, the servo motor 23 is in transmission connection with a lead screw 24 through an output shaft, the outer wall of the lead screw 24 is in rolling connection with a nut seat 25, the outer wall of the nut seat 25 is welded with a mounting plate 251, the outer wall of the mounting plate 251 is fixed with an electric control push rod 252 by bolts, the outer side of the electric control push rod 252 is connected with an air inlet nozzle 253, the outlet end of the air inlet nozzle 253 is communicated with the mining pipe 26, the diameter of the outer wall of the air inlet nozzle 253 is equal to the diameter of the inner wall of the air inlet pipe 3, the length of the air inlet nozzle 253 is larger than that of the air inlet pipe 3, when the servo motor 23 is started, the lead screw 24 is driven to rotate, at this time, the nut seat 25 can perform linear lifting movement on the surface of the lead screw 24, the relative height between the nut seat 25 and the air inlet pipe 3 is changed, then the electric control push rod 252 is started to push the air inlet nozzle 253 to enter the air inlet pipe 3, thereby realizing gas production processing of the intake nozzle 253.
As shown in fig. 2 and 3, the natural gas recovery device further comprises a sealing plug 31, the sealing plug 31 is embedded in the inner wall of the opening end of the gas inlet pipe 3, connecting rods 32 are symmetrically welded on two sides of the sealing plug 31, the connecting rods 32 are elastically connected with the outer wall of the gas inlet pipe 3 through welded springs 33, an oil level sensor 34 is arranged on the outer wall of the gas inlet pipe 3, the oil level sensors 34 with different heights can be in different working states according to different depths of the extraction pipe 2 embedded in the oil well, when the gas inlet nozzle 253 is pushed by an electric control push rod 252, the gas inlet nozzle 253 is gradually embedded into the sealing plug 3 at the corresponding position, and the sealing plug 31 is pushed outwards, at this time, the spring 33 is pulled by the connecting rod 32 to be extended and lengthened, so that the opening of the gas inlet pipe 3 is opened, extraction processing of natural gas is realized, otherwise, when the sealing plug 31 is not stressed, the sealing plug 31 is embedded in the inner wall of the sealing plug 3, the air inlet pipe 3 is protected in a sealing way.
As shown in fig. 5, a control system suitable for an intelligent layered mining device for an offshore oilfield comprises an information acquisition module, an analysis early warning module and an instruction control module; the information acquisition module, the analysis early warning module and the instruction control module are connected in sequence.
As shown in fig. 1, 3 and 5, the information acquisition module is composed of a pressure monitoring unit and an oil level monitoring unit, wherein the pressure monitoring unit is used for monitoring the real-time pressure value of the pressure sensor 6 and providing detection data to the external control equipment at the first time so as to control the descending depth of the production pipe 2, and the oil level monitoring unit is used for monitoring the position of the oil level sensor 34 which is not at the lowest position in the oil.
The analysis early warning module is composed of an abnormity warning unit and a parameter modification unit, wherein the abnormity warning unit is used for carrying out warning processing on the acquired abnormal data information at the first time, and the parameter modification unit is used for carrying out clear modification processing on the acquired fuzzified data information.
The instruction control module is composed of a lifting control unit, a pushing control unit and a pressurizing control unit, wherein the lifting control unit is used for controlling working state parameters of the servo motor 23, the pushing control unit is used for controlling working state parameters of the electric control push rod 252, and the pressurizing control unit is used for controlling working state parameters of the pressurizing pump 22, so that each electric device can be in the best working state, and layered mining is carried out on oil gas in an oil well.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. A control system suitable for an intelligent layered mining device of an offshore oilfield is characterized by comprising a mining pipe (2), an air inlet pipe (3) and an oil inlet cover (4); the top of the mining pipe (2) is welded with a connector (1); the number of the air inlet pipes (3) is multiple, and the air inlet pipes (3) are arranged on the outer wall of the mining pipe (2) at equal intervals; the oil inlet cover (4) is sleeved on the outer wall of the bottom of the mining pipe (2), the inner wall of the oil inlet cover (4) is communicated with an oil production pipe (21) penetrating through the inner cavity of the mining pipe (2), and a booster pump (22) is arranged inside the oil production pipe (21); also comprises a servo motor (23); the servo motor (23) is fixed on the inner wall of the mining pipe (2) through bolts, the servo motor (23) is in transmission connection with a lead screw (24) through an output shaft, and the outer wall of the lead screw (24) is in rolling connection with a nut seat (25);
the outer wall of the nut seat (25) is welded with a mounting plate (251), an electric control push rod (252) is fixed on the outer wall of the mounting plate (251) through bolts, the outer side of the electric control push rod (252) is connected with an air inlet nozzle (253), and the outlet end of the air inlet nozzle (253) is communicated with a gas production pipe (26); the diameter of the outer wall of the air inlet nozzle (253) is equal to the diameter of the inner wall of the air inlet pipe (3), and the length of the air inlet nozzle (253) is greater than that of the air inlet pipe (3); also comprises a sealing plug (31); the sealing plug (31) is embedded in the inner wall of the opening end of the air inlet pipe (3); connecting rods (32) are symmetrically welded on two sides of the sealing plug (31), and the connecting rods (32) are elastically connected with the outer wall of the air inlet pipe (3) through welded springs (33); an oil level sensor (34) is arranged on the outer wall of the air inlet pipe (3);
the system also comprises an information acquisition module, an analysis early warning module and an instruction control module;
the information acquisition module, the analysis early warning module and the instruction control module are connected in sequence;
the analysis early warning module is composed of an abnormity warning unit and a parameter modification unit, wherein the abnormity warning unit is used for carrying out warning processing on the acquired abnormal data information at the first time, and the parameter modification unit is used for carrying out clear modification processing on the acquired fuzzified data information.
2. The control system suitable for the offshore oilfield intelligent zonal exploitation device as defined in claim 1, wherein the command control module is composed of a lifting control unit, a pushing control unit and a pressurization control unit, wherein the lifting control unit is used for controlling the working state parameters of the servo motor (23), the pushing control unit is used for controlling the working state parameters of the electrically controlled push rod (252), and the pressurization control unit is used for controlling the working state parameters of the pressurization pump (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110994447.5A CN113605865A (en) | 2019-06-28 | 2019-06-28 | Control system suitable for offshore oil field intelligence layering exploitation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571027.9A CN110344789B (en) | 2019-06-28 | 2019-06-28 | Intelligent layered mining device and control system suitable for offshore oil field |
| CN202110994447.5A CN113605865A (en) | 2019-06-28 | 2019-06-28 | Control system suitable for offshore oil field intelligence layering exploitation device |
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| CN201910571027.9A Division CN110344789B (en) | 2019-06-28 | 2019-06-28 | Intelligent layered mining device and control system suitable for offshore oil field |
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| CN113605865A true CN113605865A (en) | 2021-11-05 |
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| CN202110994447.5A Pending CN113605865A (en) | 2019-06-28 | 2019-06-28 | Control system suitable for offshore oil field intelligence layering exploitation device |
| CN202110994233.8A Active CN113605864B (en) | 2019-06-28 | 2019-06-28 | Intelligent layered mining device suitable for offshore oil field |
| CN201910571027.9A Active CN110344789B (en) | 2019-06-28 | 2019-06-28 | Intelligent layered mining device and control system suitable for offshore oil field |
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| CN202110994233.8A Active CN113605864B (en) | 2019-06-28 | 2019-06-28 | Intelligent layered mining device suitable for offshore oil field |
| CN201910571027.9A Active CN110344789B (en) | 2019-06-28 | 2019-06-28 | Intelligent layered mining device and control system suitable for offshore oil field |
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| CN113605865A (en) * | 2019-06-28 | 2021-11-05 | 周静 | Control system suitable for offshore oil field intelligence layering exploitation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101078339A (en) * | 2007-06-29 | 2007-11-28 | 安之玉 | Multiple tubular pile type bar-free gas-production oil-production method and device |
| CN103437744A (en) * | 2013-09-03 | 2013-12-11 | 中国石油天然气股份有限公司 | Oilfield ground and underground integrated oil extraction intelligent control device |
| RU2645311C1 (en) * | 2016-09-06 | 2018-02-20 | Общество с ограниченной ответственностью Научно-производственная фирма "Пакер" | Downhole controlled electromechanical valve |
| CN110344789B (en) * | 2019-06-28 | 2021-12-21 | 周静 | Intelligent layered mining device and control system suitable for offshore oil field |
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| US6651745B1 (en) * | 2002-05-02 | 2003-11-25 | Union Oil Company Of California | Subsea riser separator system |
| CN100346053C (en) * | 2004-12-22 | 2007-10-31 | 西南石油学院 | Automatic boosting oil production and liquid discharge gas producing device and method for underwell gas |
| US8132628B2 (en) * | 2008-11-21 | 2012-03-13 | James Kenneth Sanders | Methods for increasing oil production |
| CN202645512U (en) * | 2011-12-12 | 2013-01-02 | 中国石油化工股份有限公司 | Lift-type separate layer production string |
| CN107869332A (en) * | 2016-09-22 | 2018-04-03 | 中国石油化工股份有限公司 | A kind of oil well monitor control system and method |
| CN106703763A (en) * | 2017-01-04 | 2017-05-24 | 中国海洋石油总公司 | Intelligent layered mining system applicable to offshore oilfield sand control well completion |
| CN208816099U (en) * | 2018-04-19 | 2019-05-03 | 邢建 | A kind of intelligent separate zone production device suitable for offshore oilfield sand control completion |
-
2019
- 2019-06-28 CN CN202110994447.5A patent/CN113605865A/en active Pending
- 2019-06-28 CN CN202110994233.8A patent/CN113605864B/en active Active
- 2019-06-28 CN CN201910571027.9A patent/CN110344789B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078339A (en) * | 2007-06-29 | 2007-11-28 | 安之玉 | Multiple tubular pile type bar-free gas-production oil-production method and device |
| CN103437744A (en) * | 2013-09-03 | 2013-12-11 | 中国石油天然气股份有限公司 | Oilfield ground and underground integrated oil extraction intelligent control device |
| RU2645311C1 (en) * | 2016-09-06 | 2018-02-20 | Общество с ограниченной ответственностью Научно-производственная фирма "Пакер" | Downhole controlled electromechanical valve |
| CN110344789B (en) * | 2019-06-28 | 2021-12-21 | 周静 | Intelligent layered mining device and control system suitable for offshore oil field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110344789B (en) | 2021-12-21 |
| CN113605864B (en) | 2023-09-12 |
| CN110344789A (en) | 2019-10-18 |
| CN113605864A (en) | 2021-11-05 |
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