CN104499982A - Electric oil producing wellhead integrated device - Google Patents
Electric oil producing wellhead integrated device Download PDFInfo
- Publication number
- CN104499982A CN104499982A CN201410802576.XA CN201410802576A CN104499982A CN 104499982 A CN104499982 A CN 104499982A CN 201410802576 A CN201410802576 A CN 201410802576A CN 104499982 A CN104499982 A CN 104499982A
- Authority
- CN
- China
- Prior art keywords
- spring
- housing
- seat
- way
- valve body
- 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.)
- Granted
Links
- 238000005070 sampling Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 125000006850 spacer group Chemical group 0.000 claims abstract description 13
- 239000004677 Nylon Substances 0.000 claims abstract description 9
- 229920001778 nylon Polymers 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims description 11
- 208000034656 Contusions Diseases 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000009530 blood pressure measurement Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000007664 blowing Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000010779 crude oil Substances 0.000 description 13
- 239000003921 oil Substances 0.000 description 12
- 239000003129 oil well Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012360 testing method Methods 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
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
-
- 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
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)
- Safety Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to an electric oil producing wellhead integrated device. The electric oil producing wellhead integrated device is mainly composed of an electromagnetic ejection rod valve, a sealing pressing disc, a shell four-way device, a spring supporting seat, a strengthening three-claw seat, a nylon ball, a check valve seat, a tapered valve element, a sliding sealing sleeve, a spring seat plate, a spring pressing plate, a pressure gauge valve body, a pressure gauge protective sleeve, a spacer sleeve, a sampling emptying pipe, a pressure gauge, a screwed plug, an inner hole sleeve, a valve body spring sleeve, a valve seat, an ejection rod and the like. The oil producing wellhead device can be combined with digital control so that remote control and sampling emptying is realized; the functions of sampling, pressure releasing, oil pressure measurement, blowing, inverted-filling prevention and the like are integrated, and the function integration degree is high; the protective sleeve arranged on the outer part of the device can be detached by a special tool so that the anti-theft effect is good and an anti-theft box does not need to be additionally arranged; the remote control and sampling emptying can be realized and the labor intensity of workers is reduced; the electric oil producing wellhead integrated device is convenient to mount in the field and is simple to machine and manufacture, the investment is saved and the economic benefits are obvious.
Description
Technical field
The invention belongs to oil extraction in oil field technical field, relate to a kind of oil extraction in oil field well head device, be specifically related to a kind of electronic production wellhead integrating device.
Background technology
Conventional wellhead for production is mechanical oil recovery well head device, primarily of production gate, back-pressure gate, pressure meter assembly, emptying cock, stifled first class sections composition, Main Function hangs the tubing string in pit shaft, the annular space of Seal Oil sleeve pipe, control and regulate oil well production, admission oil, casing pressure data, emptying, sampling, the daily production managements such as test and wax removal.
, in actual production process, there are some problems in the wellhead assembly that current mechanical oil well is used:
1, because wellhead assembly does not have effective anti-theft measure, there is crude oil and stolen and the risk of safety and environmental protection aspect, thus cause the loss of crude output;
2, distributed structure taked by sampling valve of producing well top, sweeping head, pressure meter etc., and flow process is complicated, and investment is large, and staff labor intensity is large;
3, each interface and petroleum pipeline adopt screwed connection, are potential risks sources, exist and leak and potential safety hazard, waste resource, contaminated environment;
When 4, stopping well, the crude oil of other oil wells be connected in series mutually with it can pour in down a chimney and enters pit shaft.
Summary of the invention
The object of the invention is the shortcoming for above-mentioned existing wellhead for production, design a kind of wellhead for production being more applicable for well head.
For this reason, the invention provides a kind of oil extraction in oil field well head device, comprise housing four-way, the Upper passage mouth of housing four-way installs ball-and-seat, plug is installed in one end, housing four-way horizontal channel, the other end is by outer and interior sealing platen and the center of installing with the valve seat of conical hole, and the passage between sealing platen and valve seat is communicated with the sampling blow-down pipe be opened on housing four-way sidewall;
Valve seat is socketed with the valve body spring housing of lid to one end of housing four-way inside, the jacket wall of valve body spring housing had opening, horizontal conical surface spool is equipped with in valve body spring housing inside, the conical surface end of conical surface spool presses in the conical hole of valve seat, and the other end is inner at valve body spring housing by the first spring fitting;
Described sealing pressing disk center runs through push rod, the conical surface end of push rod inner bruising conical surface spool.
Valve body spring housing inside is provided with the first spring, spring seat board and slipper seal cover, spring seat board is arranged on the inside right-hand member of the valve body spring housing of horizontal lid, spring seat board is provided with the first horizontal spring, the other end of this first spring is connected on conical surface spool, and slipper seal is set between the first spring and valve body spring housing inwall.
Described push rod is the push rod of electromagnetism top rod valve, housing four-way be provided with sealing platen passway outside be socketed with sheath for magnet coils, described electromagnetism top rod valve is arranged in sheath for magnet coils.
Described electromagnetism top rod valve is connected with the digitlization remote control terminal of far-end by wired or wireless mode.
Be horizontally arranged with the spacer sleeve of tubulose in passage between described sealing platen and valve seat, the two ends of spacer sleeve withstand sealing platen and valve seat respectively, spacer sleeve are provided with the groove of passage and sampling blow-down pipe between communication seals platen and valve seat.
The ball-and-seat that housing four-way Upper passage mouth is installed is spherically seated one way valve, comprise the spring supporting seat in the Upper passage being arranged on housing four-way, spring supporting seat is installed the second longitudinal spring, righting three-jaw seat is installed on second spring top, one-way valve seat is installed inwardly by the Upper passage mouth place of housing four-way, arranges nylon ball between one-way valve seat and righting three-jaw seat.
In described housing four-way horizontal channel, level is equipped with internal sheath, and internal sheath tube wall has for the through through hole of Vertical Channel, internal sheath right-hand member mounting spring pressing plate and plug, spring bearer plate is positioned at inside plug;
Described spring bearer plate is distributed with multiple flowing hole, and described plug center is provided with the check valve body running through plug;
Housing four-way horizontal channel right-hand member overcoat has pressure meter sheath, and pressure meter sheath is built with pressure meter, and the check valve body that described manometric pressure meter valve body props up plug center makes the conducting from inside to outside of this check valve body.
Beneficial effect of the present invention: the present invention can combine with digitlization tele-control system, realize Long-distance Control sampling emptying, and the Function Integration Mechanisms such as the sampling of traditional production wellhead, pressure release, oil pressure measurement, purging are integrated in one by this device, simplify production wellhead technological process, on the basis retaining original wellhead assembly function, realize the closed conveying of crude oil, distinctive ball-and-seat structure, when can prevent oil well from stopping well, other oil well crude oils be connected in series mutually with it pour in down a chimney and enter pit shaft.This electronic production wellhead integrating device has the features such as structure uniqueness, highly integrated, low cost of manufacture, strong adaptability, safety, theftproof are good, easy to operate, is conducive to increasing work efficiency, saves production cost, prevents the pollution of the environment and the wasting of resources.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is section of structure of the present invention.
Fig. 2 is the A-A sectional drawing of Fig. 1.
Fig. 3 is the B-B sectional drawing of Fig. 1.
Fig. 4 is the schematic diagram of spring bearer plate.
Description of reference numerals: 1, sheath for magnet coils; 2, electromagnetism top rod valve; 3, groove; 4, platen is sealed; 5, housing four-way; 6, spring supporting seat; 7, righting three-jaw seat; 8, nylon ball; 9, one-way valve seat; 10, conical surface spool; 11, slipper seal cover; 12, spring seat board; 13, spring bearer plate; 14, pressure meter valve body; 15, pressure meter sheath; 16, spacer sleeve; 17, blow-down pipe is sampled; 18, pressure meter; 19, plug; 20, internal sheath; 21, valve body spring housing; 22, valve seat; 23, push rod; 24, opening; 25, conical hole; 26, the first spring; 27, the second spring; 28, flowing hole.
Detailed description of the invention
Embodiment 1:
The present embodiment provides a kind of oil extraction in oil field well head device, as shown in Figures 1 to 3, comprise housing four-way 5, the Upper passage mouth of housing four-way 5 installs ball-and-seat, plug 19 is installed in one end, housing four-way 5 horizontal channel, the other end is by outer and interior sealing platen 4 and the center of installing with the valve seat 22 of conical hole 25, and the passage between sealing platen 4 and valve seat 22 is communicated with the sampling blow-down pipe 17 be opened on housing four-way 5 sidewall;
Valve seat 22 is socketed with the valve body spring housing 21 of lid towards one end of housing four-way 5 inside, the jacket wall of valve body spring housing 21 had opening 24, horizontal conical surface spool 10 is equipped with in valve body spring housing 21 inside, the conical surface end of conical surface spool 10 presses in the conical hole 25 of valve seat 22, and it is inner that the other end is arranged on valve body spring housing 21 by the first spring 26;
Sealing platen 4 center is run through has push rod 23, the conical surface end of push rod 23 inner bruising conical surface spool 10.
In the present embodiment, mainly solve the problem of sampling, as shown in Figure 1, originally to enter from housing four-way 5 Upper passage mouth, certain confined space is formed in housing four-way 5 inside, part crude oil can enter valve body spring housing 21 and is full of by the opening 24 of crossing on valve body spring housing 21, when needing sampling, with push rod 23 addendum cone face spool 10, make conical surface spool 10 lift off a seat 22 conical hole 25, now the conical hole 25 of valve seat 22 achieves conducting, crude oil in valve body spring housing 21 enters the passage between sealing platen 4 and valve seat 22 from the conical hole 25 of valve seat 22, then along with sampling blow-down pipe 17 flows out, realize sampling.
Embodiment 2:
On the basis of embodiment 1, valve body spring housing 21 inside in the present embodiment is provided with the first spring 26, spring seat board 12 and slipper seal cover 11, spring seat board 12 is arranged on the inside right-hand member of the valve body spring housing 21 of horizontal lid, spring seat board 12 is provided with the first horizontal spring 26, the other end of this first spring 26 is connected on conical surface spool 10, and slipper seal cover 11 is arranged between the first spring 26 and valve body spring housing 21 inwall.
When sampling, push rod 23 can withstand conical surface spool 10 and move to the dextrad in Fig. 1, after completing sampling, push rod 23 moves to left, and under the first spring 26 in valve body spring housing 21 acts on, conical surface spool 10 can automatically return to home position, prop up the conical hole 25 of valve seat 22, sampling cut-off, so just can realize automation cut-off, easy to operate.
The spacer sleeve 16 of tubulose is horizontally arranged with in sealing platen 4 in the present embodiment and the passage between valve seat 22, the two ends of spacer sleeve 16 withstand sealing platen 4 and valve seat 22 respectively, spacer sleeve 16 is provided with the groove 3 of passage and sampling blow-down pipe 17 between communication seals platen 4 and valve seat 22, spacer sleeve 16 plays two effects, one is position sealing platen 4 and valve seat 22, but the drainage to petroleum crude sampling, sealing platen 4 is withstood at the two ends being located through spacer sleeve 16 respectively and valve seat 22 realizes, and water conservancy diversion is realized by groove 3.
Embodiment 3:
On the basis of embodiment 1 and embodiment 2, in the present embodiment, push rod 23 is the push rod of electromagnetism top rod valve 2, and be socketed with sheath for magnet coils 1 outside the passway that housing four-way 5 is provided with sealing platen 4, described electromagnetism top rod valve 2 is arranged in sheath for magnet coils 1.
Realize the action of push rod 23, need an electromagnetism top rod valve 2 to realize, when needing sampling, only need electromagnetism top rod valve 2 action once just can realize the overall process sampled.
Further, electromagnetism top rod valve 2 is connected with the digitlization remote control terminal of far-end by wired or wireless mode.
The digitlization remote control terminal of far-end can carry out far-end control to electromagnetism top rod valve 2, so just can realize Long-distance Control sampling emptying.
Embodiment 4:
In the present embodiment, the ball-and-seat that housing four-way 5 Upper passage mouth is installed is spherically seated one way valve, comprise the spring supporting seat 6 in the Upper passage being arranged on housing four-way 5, spring supporting seat 6 is installed the second longitudinal spring 27, righting three-jaw seat 7 is installed on second spring 27 top, one-way valve seat 9 is installed at the Upper passage mouth place of housing four-way 5 inwardly, arranges nylon ball 8 between one-way valve seat 9 and righting three-jaw seat 7.
After crude oil flows into from housing four-way 5 Upper passage mouth, crude oil props up nylon ball 8 and moves downward, nylon ball 8 is separated from one-way valve seat 9, now channel conductive, crude oil can enter housing four-way 5, enter when there is no crude oil or crude oil backflow time, hold in the palm the righting three-jaw seat 7 of nylon ball 8 on spring supporting seat 6 second spring 27 act under move upward, make nylon ball 8 get back to closing passage on one-way valve seat 9.
Embodiment 5:
In the present embodiment, in housing four-way 5 horizontal channel, level is equipped with internal sheath 20, internal sheath 20 tube wall has for the through through hole of Vertical Channel, internal sheath 20 right-hand member mounting spring pressing plate 13 and plug 19, spring bearer plate 13 is positioned at inside plug 19, and separates with spring;
As shown in Figure 4, described spring bearer plate 13 is distributed with multiple flowing hole 28, described plug 19 center is provided with the check valve body running through plug 19;
Housing four-way 5 horizontal channel right-hand member overcoat has pressure meter sheath 15, and pressure meter sheath 15 is built with pressure meter 18, and the check valve body that the pressure meter valve body 14 of described pressure meter 18 props up plug 19 center makes the conducting from inside to outside of this check valve body.
This structure of the present embodiment can realize sweeping head and pressure measxurement two functions, crude oil in housing four-way 5 horizontal channel can along with plug 19 interior side contacts after the flowing hole 28 on spring bearer plate 13, the check valve body that pressure meter valve body 14 due to pressure meter 18 props up plug 19 center makes the conducting from inside to outside of this check valve body, so crude oil can touch the pressure meter valve body 14 of pressure meter 18, then record pressure data, pressure meter 18 shows.
In the present embodiment, internal sheath 20, pressure meter sheath 15, plug 19 etc., when installation, adopt hydraulic installalion, arbitrarily can not be unloaded like this by people, when needing to purge housing four-way 5 internal pipeline, pressure meter 18 and plug 19 are pulled down and can be purged.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (7)
1. an oil extraction in oil field well head device, comprise housing four-way (5), it is characterized in that: the Upper passage mouth of housing four-way (5) installs ball-and-seat, plug (19) is installed in housing four-way (5) one end, horizontal channel, the other end is by outer and interior sealing platen (4) and the center of installing with the valve seat (22) of conical hole (25), and the passage sealed between platen (4) and valve seat (22) is communicated with the sampling blow-down pipe (17) be opened on housing four-way (5) sidewall;
Valve seat (22) is socketed with the valve body spring housing (21) of lid towards one end that housing four-way (5) is inner, the jacket wall of valve body spring housing (21) had opening (24), horizontal conical surface spool (10) is equipped with in valve body spring housing (21) inside, the conical surface end of conical surface spool (10) presses in the conical hole (25) of valve seat (22), and it is inner that the other end is arranged on valve body spring housing (21) by the first spring (26);
Described sealing platen (4) center is run through has push rod (23), the conical surface end of push rod (23) inner bruising conical surface spool (10).
2. oil extraction in oil field well head device as claimed in claim 1, it is characterized in that: valve body spring housing (21) inside is provided with the first spring (26), spring seat board (12) and slipper seal cover (11), spring seat board (12) is arranged on the inside right-hand member of the valve body spring housing (21) of horizontal lid, (12) are provided with horizontal spring to spring seat board, the other end of this spring is connected on conical surface spool (10), and slipper seal cover (11) is arranged between spring and valve body spring housing (21) inwall.
3. oil extraction in oil field well head device as claimed in claim 2, it is characterized in that: the push rod that described push rod (23) is electromagnetism top rod valve (2), housing four-way (5) be provided with sealing platen (4) passway outside be socketed with sheath for magnet coils (1), described electromagnetism top rod valve (2) is arranged in sheath for magnet coils (1).
4. oil extraction in oil field well head device as claimed in claim 3, is characterized in that: described electromagnetism top rod valve (2) is connected with the digitlization remote control terminal of far-end by wired or wireless mode.
5. oil extraction in oil field well head device as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: the spacer sleeve (16) being horizontally arranged with tubulose in the passage between described sealing platen (4) and valve seat (22), the two ends of spacer sleeve (16) withstand sealing platen (4) and valve seat (22) respectively, spacer sleeve (16) are provided with the groove (3) of passage and sampling blow-down pipe (17) between communication seals platen (4) and valve seat (22).
6. oil extraction in oil field well head device as claimed in claim 5, it is characterized in that: the ball-and-seat that housing four-way (5) Upper passage mouth is installed is spherically seated one way valve, comprise the spring supporting seat (6) in the Upper passage being arranged on housing four-way (5), spring supporting seat (6) is upper installs longitudinal the second spring (27), righting three-jaw seat (7) is installed on second spring (27) top, one-way valve seat (9) is installed at the Upper passage mouth place of housing four-way (5) inwardly, arranges nylon ball (8) between one-way valve seat (9) and righting three-jaw seat (7).
7. oil extraction in oil field well head device as claimed in claim 6, it is characterized in that: in described housing four-way (5) horizontal channel, level is equipped with internal sheath (20), internal sheath (20) tube wall have for the through through hole of Vertical Channel, internal sheath (20) right-hand member mounting spring pressing plate (13) and plug (19), spring bearer plate (13) is positioned at plug (19) inner side;
Described spring bearer plate (13) is distributed with multiple flowing hole (28), and described plug (19) center is provided with the check valve body running through plug (19);
Housing four-way (5) horizontal channel right-hand member overcoat has pressure meter sheath (15), pressure meter sheath (15) is built with pressure meter (18), and the check valve body that the pressure meter valve body (14) of described pressure meter (18) props up plug (19) center makes the conducting from inside to outside of this check valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410802576.XA CN104499982B (en) | 2014-12-22 | 2014-12-22 | A kind of electronic production wellhead integrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410802576.XA CN104499982B (en) | 2014-12-22 | 2014-12-22 | A kind of electronic production wellhead integrating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104499982A true CN104499982A (en) | 2015-04-08 |
| CN104499982B CN104499982B (en) | 2017-06-13 |
Family
ID=52941422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410802576.XA Active CN104499982B (en) | 2014-12-22 | 2014-12-22 | A kind of electronic production wellhead integrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104499982B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639951A (en) * | 2015-10-30 | 2017-05-10 | 上海新莲泵阀有限公司 | Geothermal well assembly of the structure of a tube with casing |
| CN106639949A (en) * | 2015-10-30 | 2017-05-10 | 上海新莲泵阀有限公司 | Anti-washout geothermal well mouth assembly |
| CN111397974A (en) * | 2019-01-02 | 2020-07-10 | 中国石油天然气股份有限公司 | Sampling protection device and system |
| CN112697432A (en) * | 2021-01-14 | 2021-04-23 | 上海闲吉汽车用品有限公司 | Device for detecting quality of bearing |
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| CN2526817Y (en) * | 2001-10-31 | 2002-12-18 | 佟立辉 | Freeze-proof anti-theft pressure-taking sampler |
| RU2258807C2 (en) * | 2003-10-23 | 2005-08-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Sampling device |
| CN201943635U (en) * | 2010-12-30 | 2011-08-24 | 孙爱军 | Anti-theft device for producing well head casing |
| CN202157803U (en) * | 2011-07-08 | 2012-03-07 | 中国石油天然气股份有限公司 | Sampling valve of wellhead |
| CN203081438U (en) * | 2012-12-18 | 2013-07-24 | 中国石油天然气股份有限公司 | Mechanical oil recovery well opening sampler |
| CN203626726U (en) * | 2013-11-15 | 2014-06-04 | 中国石油天然气股份有限公司 | Integrated device for oil extraction wellhead |
| CN204457560U (en) * | 2014-12-22 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of oil extraction in oil field well head device |
-
2014
- 2014-12-22 CN CN201410802576.XA patent/CN104499982B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2526817Y (en) * | 2001-10-31 | 2002-12-18 | 佟立辉 | Freeze-proof anti-theft pressure-taking sampler |
| RU2258807C2 (en) * | 2003-10-23 | 2005-08-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Sampling device |
| CN201943635U (en) * | 2010-12-30 | 2011-08-24 | 孙爱军 | Anti-theft device for producing well head casing |
| CN202157803U (en) * | 2011-07-08 | 2012-03-07 | 中国石油天然气股份有限公司 | Sampling valve of wellhead |
| CN203081438U (en) * | 2012-12-18 | 2013-07-24 | 中国石油天然气股份有限公司 | Mechanical oil recovery well opening sampler |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639951A (en) * | 2015-10-30 | 2017-05-10 | 上海新莲泵阀有限公司 | Geothermal well assembly of the structure of a tube with casing |
| CN106639949A (en) * | 2015-10-30 | 2017-05-10 | 上海新莲泵阀有限公司 | Anti-washout geothermal well mouth assembly |
| CN111397974A (en) * | 2019-01-02 | 2020-07-10 | 中国石油天然气股份有限公司 | Sampling protection device and system |
| CN111397974B (en) * | 2019-01-02 | 2023-03-24 | 中国石油天然气股份有限公司 | Sampling protection device and system |
| CN112697432A (en) * | 2021-01-14 | 2021-04-23 | 上海闲吉汽车用品有限公司 | Device for detecting quality of bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104499982B (en) | 2017-06-13 |
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