CN112780224A - Electric pump flow combined wellhead device - Google Patents
Electric pump flow combined wellhead device Download PDFInfo
- Publication number
- CN112780224A CN112780224A CN202110198741.5A CN202110198741A CN112780224A CN 112780224 A CN112780224 A CN 112780224A CN 202110198741 A CN202110198741 A CN 202110198741A CN 112780224 A CN112780224 A CN 112780224A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- heat
- pipe head
- electric pump
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000004321 preservation Methods 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000007710 freezing Methods 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 32
- 238000005485 electric heating Methods 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/003—Insulating arrangements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
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)
- Thermal Insulation (AREA)
Abstract
The invention discloses an electric pump flow combined wellhead device, and relates to the technical field of oil exploitation, in particular to an electric pump flow combined wellhead device. This charge pump flow combination well head device, through set up the heat preservation lag in the outside of oil pipe head, utilize the inside zone of heating of heat preservation lag to heat the oil pipe head, improve the temperature of the inside oil of oil pipe head, avoid the inside oil of oil pipe head to freeze, can prevent that the oil pipe head from freezing stifled when weather is cold, through setting up the insulating layer in the outside of zone of heating, utilize the heat that the insulating layer produced to the zone of heating to keep warm and keep apart, reduce the heat to external scattering and disappearing, the effect of having improved heating heat preservation is crossed, be favorable to reducing the use of the energy.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to an electric pump flow combined wellhead device.
Background
Petroleum refers to a mixture of hydrocarbons in gaseous, liquid and solid states, with natural occurrence. The main components of petroleum are the mixture of various alkanes, cyclanes and aromatics, the petroleum is the raw material of many chemical industry products such as solvent, chemical fertilizer, insecticide and plastics, and the well head is a device which is installed in the well head, hangs the casing and oil pipe, and seals the oil pipe and casing and the annular space of each layer of casing in the drilling of petroleum and natural gas.
The in-process that the wellhead assembly was using, when the temperature of weather is lower, the inside oil of wellhead assembly is frozen easily, leads to the well head to take place to freeze stifled phenomenon, influences the normal use of wellhead assembly, and the phenomenon of stealing takes place easily for the current wellhead assembly simultaneously, if discovery that can not be timely and prevention can cause a large amount of economic losses, provides an electric pump flow combination wellhead assembly for this.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an electric pump flow combined wellhead device, which solves the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an electric pump flow combination well head device, includes the oil pipe head, the outside of oil pipe head is provided with the heat preservation lag, the inside of heat preservation lag is provided with the heat-conducting layer, the outside of heat-conducting layer is provided with the zone of heating, the outside of zone of heating is provided with the insulating layer, the outside of insulating layer is provided with protective housing, the first wing valve of left side fixedly connected with of oil pipe head, the left side fixedly connected with connecting pipe of first wing valve, the left end fixedly connected with second manometer of connecting pipe, oil pipe is led to the bottom fixedly connected with of oil pipe head, the middle part fixedly connected with solenoid valve of leading oil pipe, the left side fixedly connected with pressure alarm of solenoid valve, pressure alarm's left side fixedly connected with connecting line, connecting line's top and the bottom intercommunication.
Optionally, the shape of heat preservation lag is half-circular arc, the quantity of heat preservation lag has two and the symmetry cladding in the outside of oil pipe head, the edge screw thread has cup jointed connecting bolt about the heat preservation lag.
Optionally, the heat conduction layer is in contact with the outer surface of the oil pipe head, and the heat conduction layer is made of asbestos materials.
Optionally, the inside fixed mounting of zone of heating has electric heating wire, electric heating wire is the inside of S-shaped equidistance distribution zone of heating, the surface of zone of heating is provided with thermal-insulated aluminium foil.
Optionally, the thermal-protective layer is made of polyethylene foam plastics, the protective casing is made of PPS (polyphenylene sulfide), and the inside of the protective casing is provided with honeycomb holes.
Optionally, an oil pipe hanger is fixedly connected to the top of the oil pipe head, a first wing valve is fixedly connected to the left side of the oil pipe hanger, and a first pressure gauge is fixedly mounted on the left side of the first wing valve.
Optionally, metal shells are arranged outside the electromagnetic valve and the pressure alarm, and the metal shells are fixedly connected with the oil guide pipe.
Optionally, the model of the electromagnetic valve is DN15-300mm, and the model of the pressure alarm is HW 12-1.
The invention provides an electric pump flow combined wellhead device, which has the following beneficial effects:
1. this charge pump flow combination well head device, through set up the heat preservation lag in the outside of oil pipe head, utilize the inside zone of heating of heat preservation lag to heat the oil pipe head, improve the temperature of the inside oil of oil pipe head, avoid the inside oil of oil pipe head to freeze, can prevent that the oil pipe head from freezing stifled when weather is cold, through setting up the insulating layer in the outside of zone of heating, utilize the heat that the insulating layer produced to the zone of heating to keep warm and keep apart, reduce the heat to external scattering and disappearing, the effect of having improved heating heat preservation is crossed, be favorable to reducing the use of the energy.
2. This electric pump flow combination wellhead assembly, through set up second manometer and pressure alarm in the side of oil pipe head, when oil pipe head was destroyed and was stolen, the inside pressure variation of oil pipe head can be detected to the second manometer, then the second manometer gives pressure alarm with signal transmission, make pressure alarm send out the police dispatch newspaper and remind relevant personnel, in time prevent the action of stealing, pressure alarm can give signal transmission for the solenoid valve simultaneously, make the solenoid valve close lead oil pipe, avoid the oil to continue to flow into in the oil pipe head, be favorable to reducing the loss.
3. This charge pump flow combination wellhead assembly sets up the metal casing through the outside at pressure alarm and solenoid valve, utilizes the metal casing to protect solenoid valve and pressure alarm, prevents that solenoid valve and pressure alarm from exposing outside by artificial destruction, guarantees solenoid valve and pressure alarm's normal work, has improved solenoid valve and pressure alarm's security.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a half section of the present invention;
FIG. 3 is a schematic cross-sectional view of the thermal insulation protective cover of the present invention;
FIG. 4 is a schematic structural view of a heating layer of the present invention;
fig. 5 is a schematic structural diagram of the protective housing of the present invention.
In the figure: 1. a tubing head; 2. a heat-preservation protecting jacket; 3. a connecting bolt; 4. a heat conductive layer; 5. a heating layer; 51. an electrical heating wire; 6. a thermal insulation layer; 7. a protective housing; 71. honeycomb holes; 8. hanging the oil pipe; 9. a first wing valve; 10. a first pressure gauge; 11. a first wing valve; 12. a connecting pipe; 13. a second pressure gauge; 14. an oil guide pipe; 15. an electromagnetic valve; 16. a pressure alarm; 17. connecting a pipeline; 18. a metal shell.
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.
Referring to fig. 1 to 5, the present invention provides a technical solution: an electric pump flow combined wellhead device comprises an oil pipe head 1, a heat-insulating protective sleeve 2 is arranged outside the oil pipe head 1, the heat-insulating protective sleeve 2 is in a semi-circular arc shape, two heat-insulating protective sleeves 2 are symmetrically coated outside the oil pipe head 1, connecting bolts 3 are sleeved on the left edge and the right edge of each heat-insulating protective sleeve 2 in a threaded manner, a heat-conducting layer 4 is arranged inside each heat-insulating protective sleeve 2, a heat-conducting layer 4 is arranged between the oil pipe head 1 and a heating layer 5, heat generated by the heating layer 5 is transmitted to the oil pipe head 1 through the heat-conducting layer 4, the oil pipe head 1 can be heated more uniformly, the oil pipe head 1 is prevented from being damaged due to over-high local heating, the service life of the oil pipe head 1 is prolonged, the heat-conducting layer 4 is in contact with the outer surface of the oil pipe head 1, the heat-conducting layer 4 is made of asbestos, the oil pipe head 1 is heated by the heating layer 5 in the heat-insulating protective sleeve 2 arranged outside the oil pipe head 1, the temperature of oil in the oil pipe head 1 is improved, the oil in the oil pipe head 1 is prevented from being frozen, the oil pipe head 1 can be prevented from being frozen and blocked in cold weather, the electric heating wires 51 are arranged in the heating layer 5 in an S-shaped and equidistantly distributed manner, the outer surface of the heating layer 5 is provided with heat-insulating aluminum foils, the outer part of the heating layer 5 is provided with a heat-insulating layer 6, the outer part of the heat-insulating layer 6 is provided with a protective shell 7, the heat-insulating layer 6 is made of polyethylene foam plastics, the protective shell 7 is made of PPS materials, the inner part of the protective shell 7 is provided with honeycomb holes 71, the heat-insulating layer 6 is arranged outside the heating layer 5, the heat generated by the heat-insulating layer 6 is, the heating and heat preservation effects are improved, the use of energy sources is reduced, an oil pipe hanger 8 is fixedly connected to the top of an oil pipe head 1, a first wing valve 9 is fixedly connected to the left side of the oil pipe hanger 8, a first pressure gauge 10 is fixedly installed on the left side of the first wing valve 9, a first wing valve 11 is fixedly connected to the left side of the oil pipe head 1, a connecting pipe 12 is fixedly connected to the left side of the first wing valve 11, a second pressure gauge 13 is fixedly connected to the left end of the connecting pipe 12, an oil guide pipe 14 is fixedly connected to the bottom of the oil pipe head 1, an electromagnetic valve 15 is fixedly installed in the middle of the oil guide pipe 14, a pressure alarm 16 is fixedly connected to the left side of the electromagnetic valve 15, a second pressure gauge 13 and a pressure alarm 16 are arranged on the side of the oil pipe head 1, when the oil pipe head 1 is damaged and stolen, the second pressure gauge 13 can detect the pressure change, the pressure alarm 16 sends an alarm to remind related personnel and prevent stealing behavior in time, meanwhile, the pressure alarm 16 transmits a signal to the electromagnetic valve 15, the electromagnetic valve 15 closes the oil guide pipe 14 to prevent oil from continuously flowing into the oil pipe head 1, loss is favorably reduced, the model of the electromagnetic valve 15 is DN15-300mm, the model of the pressure alarm 16 is HW12-1, the left side of the pressure alarm 16 is fixedly connected with a connecting pipeline 17, the top of the connecting pipeline 17 is communicated with the bottom of the second pressure gauge 13, metal shells 18 are arranged outside the electromagnetic valve 15 and the pressure alarm 16, the metal shells 18 are fixedly connected with the oil guide pipe 14, the metal shells 18 are arranged outside the pressure alarm 16 and the electromagnetic valve 15, the electromagnetic valve 15 and the pressure alarm 16 are protected by the metal shells 18, and the electromagnetic valve 15 and the pressure alarm 16 are prevented from being exposed outside and damaged manually, the normal work of the electromagnetic valve 15 and the pressure alarm 16 is ensured, and the safety of the electromagnetic valve 15 and the pressure alarm 16 is improved.
In conclusion, when the electric pump flow combined wellhead device is used, the heat-insulating protective sleeve 2 is installed outside the oil pipe head 1, then the heat-insulating protective sleeve 2 is fixed by using the connecting bolt 3, when the weather is cold, the oil pipe head 1 is heated by the heat generated by the electric heating wire 51 inside the heating layer 5, the oil pipe head 1 is prevented from being frozen and blocked, meanwhile, the heat generated is isolated by the heat-insulating layer 6, the heat is prevented from being dissipated to the outside, when the oil pipe head 1 is damaged and stolen, the second pressure gauge 13 detects the pressure change inside the oil pipe head 1, then the second pressure gauge 13 transmits a signal to the pressure alarm 16, the pressure alarm 16 gives an alarm to remind related personnel to stop the stealing behavior in time, meanwhile, the pressure alarm 16 transmits the signal to the electromagnetic valve 15, the electromagnetic valve 15 closes the oil guide pipe 14, and the oil is prevented from continuously flowing into the oil pipe head 1, and (4) finishing.
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 (8)
1. The utility model provides an electric pump flow makes up wellhead assembly, includes tubing head (1), its characterized in that: the oil pipe head is characterized in that a heat-insulating protective sleeve (2) is arranged outside the oil pipe head (1), a heat-conducting layer (4) is arranged inside the heat-insulating protective sleeve (2), a heating layer (5) is arranged outside the heat-conducting layer (4), a heat-insulating layer (6) is arranged outside the heating layer (5), a protective shell (7) is arranged outside the heat-insulating layer (6), a first wing valve (11) is fixedly connected to the left side of the oil pipe head (1), a connecting pipe (12) is fixedly connected to the left side of the first wing valve (11), a second pressure gauge (13) is fixedly connected to the left side of the connecting pipe (12), an oil guide pipe (14) is fixedly connected to the bottom of the oil pipe head (1), an electromagnetic valve (15) is fixedly mounted in the middle of the oil guide pipe (14), a pressure alarm (16) is fixedly connected to the left side of the electromagnetic valve (15), and, the top of the connecting pipeline (17) is communicated with the bottom of the second pressure gauge (13).
2. The electric pump process combination wellhead assembly of claim 1, wherein: the shape of heat preservation lag (2) is half-circular arc, the quantity of heat preservation lag (2) has two and symmetry cladding in the outside of oil pipe head (1), edge screw has cup jointed connecting bolt (3) about heat preservation lag (2).
3. The electric pump process combination wellhead assembly of claim 1, wherein: the heat conduction layer (4) is in contact with the outer surface of the oil pipe head (1), and the heat conduction layer (4) is made of asbestos materials.
4. The electric pump process combination wellhead assembly of claim 1, wherein: the inside fixed mounting of zone of heating (5) has electrical heating line (51), electrical heating line (51) are the inside of S-shaped equidistance distribution zone of heating (5), the surface of zone of heating (5) is provided with thermal-insulated aluminium foil.
5. The electric pump process combination wellhead assembly of claim 1, wherein: the heat insulation layer (6) is made of polyethylene foam plastic materials, the protective shell (7) is made of PPS materials, and the honeycomb holes (71) are formed in the protective shell (7).
6. The electric pump process combination wellhead assembly of claim 1, wherein: the top fixedly connected with oil pipe hanger (8) of oil pipe head (1), the left side fixedly connected with first wing valve (9) of oil pipe hanger (8), the left side fixed mounting of first wing valve (9) has first manometer (10).
7. The electric pump process combination wellhead assembly of claim 1, wherein: and metal shells (18) are arranged outside the electromagnetic valve (15) and the pressure alarm (16), and the metal shells (18) are fixedly connected with the oil guide pipe (14).
8. The electric pump process combination wellhead assembly of claim 1, wherein: the model of the electromagnetic valve (15) is DN15-300mm, and the model of the pressure alarm (16) is HW 12-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198741.5A CN112780224A (en) | 2021-02-23 | 2021-02-23 | Electric pump flow combined wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198741.5A CN112780224A (en) | 2021-02-23 | 2021-02-23 | Electric pump flow combined wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112780224A true CN112780224A (en) | 2021-05-11 |
Family
ID=75761732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110198741.5A Pending CN112780224A (en) | 2021-02-23 | 2021-02-23 | Electric pump flow combined wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112780224A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116480317A (en) * | 2023-05-22 | 2023-07-25 | 盐城方鼎低温阀门有限公司 | Fracturing gas production well head with multi-point heat conduction structure |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1195921A (en) * | 1983-02-09 | 1985-10-29 | Robert J. Prior | Blow out preventer warning system |
| CN201141301Y (en) * | 2007-12-08 | 2008-10-29 | 耿波 | Crude oil auto-sampling device |
| CN201874527U (en) * | 2010-12-03 | 2011-06-22 | 上海神开石油化工装备股份有限公司 | Wellhead ground safety control system |
| CN202850949U (en) * | 2012-11-09 | 2013-04-03 | 大庆市天德忠石油科技有限公司 | Oil well valve single pipe flow path well mouth combined valve |
| CN203362111U (en) * | 2013-08-07 | 2013-12-25 | 大庆市天德忠石油科技有限公司 | Sleeving-pressing type anti-freezing anti-theft device for oil well valve |
| CN106439256A (en) * | 2016-11-27 | 2017-02-22 | 无锡金顶石油管材配件制造有限公司 | Petroleum pipeline with burglarproof and heating functions |
| CN207539507U (en) * | 2017-12-05 | 2018-06-26 | 郑冬梅 | A kind of production wellhead pipe heating device |
| CN209277873U (en) * | 2019-01-10 | 2019-08-20 | 唐海燕 | A kind of sampling device for freezen protection at portal of petroleum attraction well component |
| CN209959204U (en) * | 2019-04-04 | 2020-01-17 | 李佩东 | Oil recovery well head anti-theft device |
| CN210068051U (en) * | 2019-06-02 | 2020-02-14 | 东营市金亿来石油机械有限公司 | Anti-theft gas production wellhead |
| CN211573464U (en) * | 2020-08-23 | 2020-09-25 | 东营华辰石油装备有限公司 | Anti-theft oil production wellhead device |
| US20210062617A1 (en) * | 2019-08-28 | 2021-03-04 | Fmc Technologies, Inc. | System and method for an intelligent quick connect disconnect connector (qcdc) |
-
2021
- 2021-02-23 CN CN202110198741.5A patent/CN112780224A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1195921A (en) * | 1983-02-09 | 1985-10-29 | Robert J. Prior | Blow out preventer warning system |
| CN201141301Y (en) * | 2007-12-08 | 2008-10-29 | 耿波 | Crude oil auto-sampling device |
| CN201874527U (en) * | 2010-12-03 | 2011-06-22 | 上海神开石油化工装备股份有限公司 | Wellhead ground safety control system |
| CN202850949U (en) * | 2012-11-09 | 2013-04-03 | 大庆市天德忠石油科技有限公司 | Oil well valve single pipe flow path well mouth combined valve |
| CN203362111U (en) * | 2013-08-07 | 2013-12-25 | 大庆市天德忠石油科技有限公司 | Sleeving-pressing type anti-freezing anti-theft device for oil well valve |
| CN106439256A (en) * | 2016-11-27 | 2017-02-22 | 无锡金顶石油管材配件制造有限公司 | Petroleum pipeline with burglarproof and heating functions |
| CN207539507U (en) * | 2017-12-05 | 2018-06-26 | 郑冬梅 | A kind of production wellhead pipe heating device |
| CN209277873U (en) * | 2019-01-10 | 2019-08-20 | 唐海燕 | A kind of sampling device for freezen protection at portal of petroleum attraction well component |
| CN209959204U (en) * | 2019-04-04 | 2020-01-17 | 李佩东 | Oil recovery well head anti-theft device |
| CN210068051U (en) * | 2019-06-02 | 2020-02-14 | 东营市金亿来石油机械有限公司 | Anti-theft gas production wellhead |
| US20210062617A1 (en) * | 2019-08-28 | 2021-03-04 | Fmc Technologies, Inc. | System and method for an intelligent quick connect disconnect connector (qcdc) |
| CN211573464U (en) * | 2020-08-23 | 2020-09-25 | 东营华辰石油装备有限公司 | Anti-theft oil production wellhead device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116480317A (en) * | 2023-05-22 | 2023-07-25 | 盐城方鼎低温阀门有限公司 | Fracturing gas production well head with multi-point heat conduction structure |
| CN116480317B (en) * | 2023-05-22 | 2024-05-10 | 江苏金石机械集团有限公司 | Fracturing gas production well head with multi-point heat conduction structure |
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Application publication date: 20210511 |