CN208267812U - A kind of oil well head device - Google Patents
A kind of oil well head device Download PDFInfo
- Publication number
- CN208267812U CN208267812U CN201820844340.6U CN201820844340U CN208267812U CN 208267812 U CN208267812 U CN 208267812U CN 201820844340 U CN201820844340 U CN 201820844340U CN 208267812 U CN208267812 U CN 208267812U
- Authority
- CN
- China
- Prior art keywords
- shell
- well head
- connecting flange
- connecting pipe
- oil well
- 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.)
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- 239000003129 oil well Substances 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 210000004907 gland Anatomy 0.000 claims abstract description 21
- 239000000446 fuel Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 239000003208 petroleum Substances 0.000 description 19
- 238000000605 extraction Methods 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 230000001960 triggered effect Effects 0.000 description 5
- 238000003860 storage Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Abstract
The utility model discloses a kind of oil well head devices, including first shell, the lower end of the first shell is equipped with the first connecting flange, the upper end of the first shell is equipped with the second connecting flange, the upside of the first shell is equipped with sealing mechanism, the sealing mechanism includes second shell, the lower end of the second shell is equipped with third connecting flange, the second shell passes through third connecting flange and the second connecting flange and first shell flanged joint, the inside of the second shell is uniformly provided with the ring type seal being arranged above and below, the threaded upper ends of the second shell are connected with gland, the left side of the first shell is equipped with fuel reserve tank, the first connecting pipe is equipped between the first shell and fuel reserve tank, the first check valve and the first electrically operated valve are respectively equipped in first connecting pipe, the right side of the first shell is equipped with expansion box, The utility model is convenient for after device sealing wellhead the lower oil pipe into well to recover the oil.
Description
Technical field
The utility model relates to wellhead assembly technical field, specific field is a kind of oil well head device.
Background technique
Petroleum, one of main object of geological prospecting are a kind of sticky, dark brown liquid, referred to as " industrial blood
There are petroleum storage in liquid ", upper crustal some areas, and main component is the mixture of various alkane, cycloalkane, aromatic hydrocarbon, in stone
In oily drilling process, well head is drilled during replacing drilling rod and test equipment, sundries is easily fallen into well head, is fallen into well head
Sundries easily cause production accident, and during well workover, in the prevalence of occurring what grease in oil pipe sprayed when playing pipe
Phenomenon brings inconvenience to construction operation, is also easy to pollute ground, easily causes blowout using sealing element sealing merely
Accident is sealed well head by oil well head device, and releases stress outward when borehole pressure is excessive, but existing stone
Oily wellhead assembly by after wellhead sealing, by well head it is completely obscured live, be not easy to tripping in oil pipe and carry out oil extraction operation.
Utility model content
The purpose of this utility model is to provide a kind of oil well head devices, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of oil well head device, including first shell
Body, the lower end of the first shell are equipped with the first connecting flange, and the upper end of the first shell is equipped with the second connecting flange, described
The upside of first shell is equipped with sealing mechanism, and the sealing mechanism includes second shell, and the lower end of the second shell is equipped with the
Three connecting flanges, the second shell are described by third connecting flange and the second connecting flange and first shell flanged joint
The inside of second shell is uniformly provided with the ring type seal being arranged above and below, and the threaded upper ends of the second shell are connected with gland,
The left side of the first shell is equipped with fuel reserve tank, is equipped with the first connecting pipe between the first shell and fuel reserve tank, and described the
The first check valve and the first electrically operated valve are respectively equipped in one connecting pipe, the right side of the first shell is equipped with expansion box, institute
The upper end for stating expansion box is equipped with the second connecting pipe, and second one-way valve and second electronic is respectively equipped in second connecting pipe
Valve, the upper end of second connecting pipe are equipped with one end of connection hose, and the other end of the connection hose extends to second
The inside of shell, the connection hose run through ring type seal, and the inside of the first shell is equipped with liquid level sensor, and described the
The lateral wall of one shell is equipped with distribution box.
Preferably, the right outside sidewall of the first shell is equipped with branched pipe, and the branched pipe is equipped with cut-off gate valve and pressure
Power table.
Preferably, sealing ring is equipped between second connecting flange and third connecting flange.
Preferably, the upper end of the gland is equipped with handle.
Preferably, second connecting pipe is equipped with clip with the junction for connecting hose.
Compared with prior art, the utility model has the beneficial effects that a kind of oil well head device, first shell and well head
Between flanged joint, flanged joint between first shell and second shell, by being screwed down gland, by ring type seal pressure
Tightly, make to be in close contact between ring type seal, and collapse inwardly, closely connect with connection hose lateral wall through its center
Touching, ensure that the leakproofness of junction, is lived the port sealing of well head by device, the petroleum in the excessive well of the pressure of underground
When gushing upwards with gas, fuel reserve tank is connected by the first connecting pipe, petroleum is imported into fuel reserve tank, by connecting hose
Expansion box is connected with the second connecting tube, is introduced gas into expansion box, pressure release is carried out to the inside of first shell, avoids first
The pressure of enclosure interior is excessive, when needing the lower oil extraction pipeline into well, can unscrew gland upwards, and connection hose is taken out,
External oil extraction pipeline is passed through second shell to be lowered into well, under after complete oil extraction pipeline, be screwed down gland, it is close by annular
Seal will seal up between the lateral wall and device of oil extraction pipeline, guarantee the leakproofness of device, be not necessarily to laborious detachment device
Into well, tripping in oil extraction pipeline recovers the oil, while ensure that device to the sealing function of well head.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model;
Fig. 2 is the schematic view of the front view of the utility model;
Fig. 3 is the local overlooking structural schematic diagram of the utility model.
In figure: 1- first shell, the first connecting flange of 2-, the second connecting flange of 3-, 4- second shell, 5- third connection method
Orchid, 6- ring type seal, 7- gland, 8- fuel reserve tank, the first connecting pipe of 9-, the first check valve of 10-, the first electrically operated valve of 11-,
12- expansion box, the second connecting pipe of 13-, 14- second one-way valve, the second electrically operated valve of 15-, 16- connection hose, 17- liquid level pass
Sensor, 18- distribution box, 19- branched pipe, 20- end gate valve, 21- pressure gauge, 22- handle, 23 clips.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of oil well head device, including first shell
1, first shell is tubular, and up and down, for temporarily accommodating the petroleum of import ejection, the lower end of the first shell is set at middle part
There is the first connecting flange 2, using external screw bolt and nut by the first connecting flange for securing the device to well head, and
Guarantee leakproofness between device and well head by the way that sealing ring is added in junction, petroleum is avoided to overflow from gap, described the
The upper end of one shell is equipped with the second connecting flange 3, second flange and third flanged joint, and second shell is installed to first shell
On, the upside of the first shell is equipped with sealing mechanism, and sealing mechanism is connected by third connecting flange and the second connecting flange
Onto first shell, can by connect hose be plugged into export first shell in gas play the role of pressure release, into
When row recovers the oil, connection hose can be removed, oil extraction pipeline is plugged into and is recovered the oil, sealing mechanism can be with pipeline
Lateral wall is in close contact, and guarantees the leakproofness on the outside of pipeline between sealing mechanism, gas is avoided to overflow from the gap of connection,
The sealing mechanism includes second shell 4, and the middle part of second shell, that is, sealing mechanism main structure, second shell is passed through up and down
It is logical, for being inserted into external oil extraction pipeline or connection hose, it may be mounted at the upside of first shell, can also incite somebody to action when needed
Second shell is removed from first shell, by the open upper end of first shell, carries out some operations, institute convenient for the inside to well head
The lower end for stating second shell is equipped with third connecting flange 5, and the second shell passes through third connecting flange and the second connecting flange
With first shell flanged joint, third connecting flange and the second connecting flange are connected using external screw bolt and nut, in turn
Second shell is installed in first shell, the inside of the second shell is uniformly provided with the ring type seal 6 being arranged above and below, ring
Up and down, oil extraction pipeline or connection hose, the threaded upper ends of the second shell can be inserted in middle part at the middle part of shape sealing ring
It is connected with gland 7, gland is threadedly coupled on the second housing, passes through on the second housing upper of the rotation adjustable gland of gland
Lower position, ring type seal can be compressed by adjusting gland downwards, make to be in close contact between ring type seal, and receive inwardly
Hold together, is in close contact with pipeline lateral wall through its center, ensure that the leakproofness of junction, set on the left of the first shell
There is fuel reserve tank 8, petroleum can be stored in fuel reserve tank and handled for worker, first is equipped between the first shell and fuel reserve tank
First shell is connected to by connecting pipe 9, the first connecting pipe with fuel reserve tank, due to the larger ejection petroleum of pressure in well head, due to
The effect of pressure, the petroleum sprayed in well head can enter in fuel reserve tank through the first connecting pipe, in first connecting pipe
It is respectively equipped with the first check valve 10 and the first electrically operated valve 11, the first check valve makes petroleum that can only enter storage from first shell
In fuel tank, and can not be from being entered in fuel reserve tank in first shell, the first electrically operated valve can quilt after liquid level sensor is triggered
Controller in distribution box is opened, and fuel reserve tank is connected to first shell, the petroleum in first shell is made to be able to enter oil storage
It is then closed under remaining state in case and guarantees device to the sealing function of well head, the right side of the first shell is equipped with expansion box 12,
Natural gas is usually accompanied by during ejection in petroleum, expansion box stores the gas sprayed in well, for worker into
Row processing, the upper end of the expansion box are equipped with the second connecting pipe 13, it is unidirectional that second are respectively equipped in second connecting pipe
Valve 14 and the second electrically operated valve 15, second one-way valve enter gas can only along the second connecting tube in expansion box, expansion box
Middle gas can not reversely be discharged along the second connecting tube, and the second electrically operated valve controls the folding of the second connecting pipe, and described the
The upper end of two connecting pipes is equipped with one end of connection hose 16, and the other end of the connection hose extends to the interior of second shell
Portion, the connection hose run through ring type seal, and the one end for connecting hose is connected to the second connecting pipe, and the other end extend into the
In two shells, second shell is connected to expansion box, and second shell is connected to first shell, and then by first shell and is stored up
Gas tank connection, since the pressure of underground is excessive, the gas of the petroleum and gas sprayed from well, ejection can be sequentially entered to first
Shell, second shell, connection hose and the second connecting tube enter finally into expansion box, let out to the inside of first shell
The inside of pressure, the first shell is equipped with liquid level sensor 17, when the petroleum liquid level in first shell reaches liquid level sensor
When position, liquid level sensor is triggered, and passes the signal along on the controller in distribution box, and controller controls the first motor-driven valve again
It is opened with the second motor-driven valve and carries out pressure release work, when the petroleum liquid level in first shell does not reach the position of liquid level sensor
When, liquid level sensor is not triggered, and controller controls the first motor-driven valve and the second motor-driven valve is then in close state, and guarantees first
The leakproofness of enclosure interior, the lateral wall of the first shell are equipped with distribution box 18, be equipped in distribution box for the first electrically operated valve,
Second electrically operated valve and liquid level sensor provide the power supply of electric power, are equipped with the first motor-driven valve of control and the second motor-driven valve in distribution box
Controller, different triggering response signals can be transmitted in controller by liquid level sensor, and controller is according to liquid level sensor
Whether it is triggered and determines that the first motor-driven valve and the second motor-driven valve are to open or close.
Specifically, the right outside sidewall of the first shell is equipped with branched pipe 19, the branched pipe is equipped with cut-off gate valve
20 and pressure gauge 21, branched pipe can be made to be connected to the inside of first shell cut-off gate valve opening when needed, can passed through
Pressure gauge obtains the pressure condition inside first shell.
Specifically, between second connecting flange and third connecting flange be equipped with sealing ring, guarantee first shell with
The leakproofness connected between second shell.
Specifically, the upper end of the gland is equipped with handle 22, handle is convenient for rotating gland.
Specifically, second connecting pipe is equipped with clip 23 with the junction for connecting hose, clip ensure that second
The airtightness connected between connecting pipe and connection hose, and connection hose is avoided to deviate from from the second connecting pipe.
Working principle: using external screw bolt and nut by the first connecting flange for securing the device to well head,
Third connecting flange and the second connecting flange are connected using external screw bolt and nut, and then second shell is installed to first
On shell, connection hose is inserted into second shell, the upper bottom of gland on the second housing is adjusted by rotation gland
It sets, adjusts gland downwards and compress ring type seal, make to be in close contact between ring type seal, and collapse inwardly, and wear
The connection hose lateral wall for crossing its center is in close contact, and ensure that the leakproofness of junction, by device that the port of well head is close
It seals, when the pressure when underground is excessive, the gentle cognition of petroleum in well is gushed upwards, is entered in first shell, the liquid of petroleum
Position height can be gradually increasing, and when liquid level reaches at or above the position of liquid level sensor, liquid level sensor is triggered, and will believe
It number is transmitted on the controller in distribution box, controller controls the first motor-driven valve again and the second motor-driven valve is opened and carries out pressure release work
Make, since the pressure in first shell is larger, the gas of petroleum and a part can enter fuel reserve tank by the first connecting pipe
In, most gas can enter in second shell, enter in expansion box through connection hose and the second connecting tube, to first
The inside of shell carries out pressure release, avoids the pressure inside first shell excessive, when the liquid level of petroleum is lower than the position of liquid level sensor
When setting, the first motor-driven valve and the second motor-driven valve are then closed, and device is made to re-enter into the state of sealing, under needing into well
When oil extraction pipeline, gland can be unscrewed upwards, and connection hose is taken out, external oil extraction pipeline is lowered into across second shell
In well, under after complete oil extraction pipeline, be screwed down gland, will be close between the lateral wall and device of oil extraction pipeline by ring type seal
It seals, guarantees the leakproofness of device.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of oil well head device, including first shell (1), it is characterised in that: the lower end of the first shell (1) is equipped with the
The upper end of one connecting flange (2), the first shell (1) is equipped with the second connecting flange (3), the upside of the first shell (1)
Equipped with sealing mechanism, the sealing mechanism includes second shell (4), and the lower end of the second shell (4) is equipped with third connection method
Blue (5), the second shell (4) are connected by third connecting flange (5) and the second connecting flange (3) and first shell (1) flange
It connects, the inside of the second shell (4) is uniformly provided with the ring type seal (6) being arranged above and below, the upper end of the second shell (4)
It is threaded with gland (7), the left side of the first shell (1) is equipped with fuel reserve tank (8), the first shell (1) and fuel reserve tank
(8) the first connecting pipe (9) are equipped between, are respectively equipped with the first check valve (10) and first on first connecting pipe (9)
The right side of electrically operated valve (11), the first shell (1) is equipped with expansion box (12), and the upper end of the expansion box (12) is equipped with second
Connecting pipe (13) is respectively equipped with second one-way valve (14) and the second electrically operated valve (15) on second connecting pipe (13),
The upper end of second connecting pipe (13) is equipped with one end of connection hose (16), and the other end of connection hose (16) extends
To the inside of second shell (4), the connection hose (16) runs through ring type seal (6), and the inside of the first shell (1) is set
Have liquid level sensor (17), the lateral wall of the first shell (1) is equipped with distribution box (18).
2. a kind of oil well head device according to claim 1, it is characterised in that: the right outside of the first shell (1)
Wall is equipped with branched pipe (19), and the branched pipe (19) is equipped with cut-off gate valve (20) and pressure gauge (21).
3. a kind of oil well head device according to claim 1, it is characterised in that: second connecting flange (3) and
Sealing ring is equipped between three connecting flanges (5).
4. a kind of oil well head device according to claim 1, it is characterised in that: the upper end of the gland (7) is equipped with handle
Hand (22).
5. a kind of oil well head device according to claim 1, it is characterised in that: second connecting pipe (13) and company
The junction for connecing hose (16) is equipped with clip (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820844340.6U CN208267812U (en) | 2018-06-01 | 2018-06-01 | A kind of oil well head device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820844340.6U CN208267812U (en) | 2018-06-01 | 2018-06-01 | A kind of oil well head device |
Publications (1)
Publication Number | Publication Date |
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CN208267812U true CN208267812U (en) | 2018-12-21 |
Family
ID=64688082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820844340.6U Active CN208267812U (en) | 2018-06-01 | 2018-06-01 | A kind of oil well head device |
Country Status (1)
Country | Link |
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CN (1) | CN208267812U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113123751A (en) * | 2021-06-16 | 2021-07-16 | 东营政阳自动化科技有限公司 | Thermal recovery wellhead assembly |
-
2018
- 2018-06-01 CN CN201820844340.6U patent/CN208267812U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113123751A (en) * | 2021-06-16 | 2021-07-16 | 东营政阳自动化科技有限公司 | Thermal recovery wellhead assembly |
CN113123751B (en) * | 2021-06-16 | 2021-09-17 | 东营市东达机械制造有限责任公司 | Thermal recovery wellhead assembly |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231107 Address after: 402160 Yangwuqiao Villager Group, Meijiaqiao Village, Chenshi Street, Yongchuan District, Chongqing Patentee after: Chongqing Zhiang Petroleum Machinery Manufacturing Co.,Ltd. Address before: 402100 Yangwuqiao Villager Group, Meijiaqiao Village, Chenshi Street, Yongchuan District, Chongqing Patentee before: CHONGQING TENGGANG MACHINERY Co.,Ltd. |