CN208594932U - Plug assembly for testing liquid level of mechanical production well and Christmas tree device - Google Patents
Plug assembly for testing liquid level of mechanical production well and Christmas tree device Download PDFInfo
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- CN208594932U CN208594932U CN201821031495.4U CN201821031495U CN208594932U CN 208594932 U CN208594932 U CN 208594932U CN 201821031495 U CN201821031495 U CN 201821031495U CN 208594932 U CN208594932 U CN 208594932U
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- 238000012360 testing method Methods 0.000 title claims abstract description 84
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 80
- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 241000191291 Abies alba Species 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 239000003129 oil well Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 abstract description 3
- 239000010721 machine oil Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 4
- 210000002445 nipple Anatomy 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 244000147058 Derris elliptica Species 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- -1 be acidified Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
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Abstract
The utility model provides a machine oil recovery well liquid level test end cap subassembly and production tree device relates to oil gas exploitation technique. The connecting pipe is arranged at the upper end of the Christmas tree, and the pressure gauge is arranged at one side of the connecting pipe, so that the pressure in the connecting pipe, namely the Christmas tree, can be accurately determined through the pressure gauge, complete pressure relief can be guaranteed, and the safety of field operation can be effectively guaranteed; in addition, through installing the pressure relief pipe in the end cap main part of connecting pipe upper end to install pressure relief valve on the pressure relief pipe, so, the pressure relief valve of accessible opens or closes the release mouth in the end cap main part, with the connection between protection end cap main part and the connecting pipe.
Description
Technical field
The utility model relates to oil-gas mining technology more particularly to a kind of machine-pumped oil well liquid level test plug component and production trees
Device.
Background technique
Production tree is the wellhead assembly that flowing well and machine-pumped oil well etc. are used to exploit petroleum, is mainly used for hanging oil pipe and go into the well
Tool and the production for controlling and adjusting oil well.
Production tree generally includes: big four, and big four has sleeve gate by piping connection；The upper end of big four passes through pipe
Road is connected with master valve, production gate, flow controller, paraffin valve etc., is mainly used for controlling well head pressure and adjusts oil gas flow
And oil gas is directed in gathering and transferring process, it can also be used to close oil well, be acidified, wax removal, well logging etc..The upper end of production tree
It is provided with test plug；When testing liquid level, it usually needs close sleeve gate, open test liquid level plug progress release, unload
Reconnection liquid level test device, the sleeve gate opened on oil pipe big four are tested after pressure.
However, in the prior art, live operating personnel can only rely on experience to determine whether release is completed, accuracy compared with
It is low, lead to that the risk of operation is larger, safety is lower.
Utility model content
In view of the above-mentioned drawbacks in the prior art, the utility model provides a kind of machine-pumped oil well liquid level test plug component and adopts
Oily tree device can effectively ensure that the safety of field operation.
The one aspect of the utility model provides a kind of machine-pumped oil well liquid level test plug component, comprising: connecting tube, the company
For being connected to the upper end of the production tree and being connected to setting with the production tree, the upper end of the connecting tube is connected with stifled adapter tube
Head；Pressure gauge, the pressure gauge are mounted on the side of the connecting tube, and the pressure gauge is used to measure the pressure in the connecting tube
Power；Plug main body, the plug main body are mounted on the upper end of the connecting tube, offer in the plug main body and the connection
The relief port of pipe connection；Relief tube, the relief tube is mounted in plug main body relief port, and the relief tube passes through institute
Relief port is stated to be connected to the connecting tube；Pressure relief valve is installed, the pressure relief valve is described for controlling on the relief tube
The opening and closing of relief port.
Optionally, testing tube is connected in the connecting tube, the pressure gauge is mounted on the testing tube.
Optionally, the pressure gauge is mounted on one end that the testing tube deviates from the connecting tube.
Optionally, test valve is also equipped on the testing tube, the test valve is located at the pressure gauge towards institute
State the side of connecting tube.
Optionally, the axially vertical setting of the axial direction of the testing tube and the connecting tube.
Optionally, the pressure-relief valve is connected to one end that the relief tube deviates from the plug main body, and the pressure-relief valve
It is also connected with hose.
Optionally, the relief tube and the connecting tube are coaxially disposed.
Optionally, the upper end of the connecting tube is provided with connecting flange, and the lower end of the plug main body is provided with plug
Flange, the plug flange are fastenedly connected by multiple bolts and the upper connecting flange.
Optionally, the lower end of the connecting tube is provided with lower connecting flange, and the lower connecting flange is used for and production tree
The production tree flanged joint at end.
The other side of the utility model is to provide a kind of oil recovery tree device, comprising: production tree, the production tree it is upper
End is equipped with aforementioned described in any item machine-pumped oil well liquid level test plug components.
Machine-pumped oil well liquid level test plug component and oil recovery tree device provided by the utility model, by the upper end of production tree
Connecting tube is set, and pressure gauge is installed in the side of connecting tube, so, it is possible to accurately determine by pressure gauge connecting tube namely
Pressure in production tree is conducive to guarantee that release is complete, so as to which the safety of field operation is effectively ensured；In addition, by
Relief tube is installed in the plug main body of upper end of connecting tube, and pressure-relief valve is installed on relief tube, in this way, can be opened by pressure-relief valve
Or the relief port in plug main body is closed, to protect the connection between plug main body and connecting tube.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets the utility model
Embodiment, and be used to explain the principles of the present invention together with specification.
Fig. 1 is the first structure diagram of machine-pumped oil well liquid level test plug component provided in this embodiment；
Fig. 2 is the second structural schematic diagram of machine-pumped oil well liquid level test plug component provided in this embodiment；
Fig. 3 is the third structural schematic diagram of machine-pumped oil well liquid level test plug component provided in this embodiment.
Description of symbols:
1- machine-pumped oil well liquid level test plug component；
11- connecting tube；The upper connecting flange of 111-；Connecting flange under 112-；
12- relief tube；121- pressure relief valve；
13- testing tube；131- pressure gauge；132- test valve；
141- plug main body；142- plug flange；
21- production tree flange；
3- hose.
Through the above attached drawings, it has been shown that the specific embodiment of the utility model will be hereinafter described in more detail.These
Attached drawing and verbal description are not intended to limit the range of the utility model design in any manner, but by reference to specific
Embodiment is the concept that those skilled in the art illustrate the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.
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.In the absence of conflict, following implementation
Feature in example and embodiment can be combined with each other.
Wherein, the term of "upper", "lower" etc. is for describing the relative positional relationship of each structure in the accompanying drawings, only
Convenient for being illustrated for narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the utility model.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In addition, in the present invention unless specifically defined or limited otherwise, term " installation ", " connects " connected "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be directly connected, the connection inside two elements or two elements can also be can be indirectly connected through an intermediary
Interaction relationship.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in utility model.
Embodiment one
Fig. 1 is the first structure diagram of machine-pumped oil well liquid level test plug component provided in this embodiment.
The present embodiment provides a kind of machine-pumped oil well liquid level test plug components 1, comprising: connecting tube 11, connecting tube 11 is for connecting
It connects the upper end in production tree and is connected to setting with production tree, the upper end of connecting tube 11 is connected with plug；Pressure gauge 131, pressure gauge
131 are mounted on the side of connecting tube 11, and pressure gauge 131 is used to measure the pressure in connecting tube 11；Plug main body 141, plug master
Body 141 is mounted on the upper end of connecting tube 11, and the relief port being connected to connecting tube 11 is offered in plug main body 141；Relief tube 12,
Relief tube 12 is mounted in 141 relief port of plug main body, and relief tube 12 is connected to by relief port with connecting tube 11；Relief tube
Pressure relief valve 121 is installed, pressure relief valve 121 is used to control the opening and closing of relief port on 12.
Connecting tube 11 is specifically as follows column tube body, and the internal diameter of connecting tube 11 can be with the internal diameter phase of big four on production tree
Together, and pressure rank is identical, in order to improve the reliability of test result.
The lower end of connecting tube 11 is detachably connected for connecting with production tree with production tree, in order to subsequent maintenance.Example
Such as: the lower end of connecting tube 11 can be threadedly coupled with production tree.Also, connecting tube 11 is connected to setting with production tree, so that connecting tube
11 can have and pressure environment identical in production tree.
Mountable on the tube wall of connecting tube 11 to have pressure gauge 131, pressure gauge 131 is used to detect the pressure in connecting tube 11,
To detect the pressure in production tree.
In a wherein optional embodiment, instrument connection may be provided on the tube wall of connecting tube 11, pressure gauge 131 is mounted on
In instrument connection, the connection types such as pressure gauge 131 can be connected through a screw thread, be interference fitted are fixed in instrument connection, in order to pressure
Power table 131 is overhauled and is replaced.
In another optional embodiment party, in order to guarantee that the installation reliability of pressure gauge 131, pressure gauge 131 can pass through welding
Mode be fixed in instrument connection.
Certainly, the mounting means of pressure gauge 131 is not limited to this, and the present embodiment is merely illustrative herein.
In the present embodiment, pressure gauge 131 can be pointer pressure 131, and pointer pressure 131 can have dial plate,
One end of dial plate is connected with mounting portion, and mounting portion is mounted in instrument connection, and mounting portion is provided with sensing element such as Bourdon tube, film
Box, bellows etc., and sensing element can be contacted with the fluid in connecting tube 11, to be sent out according to the pressure of the fluid in connecting tube 11
Raw corresponding elastic deformation, and the machine core in dial plate rotates corresponding angle according to the pointer in the elastic deformation control dial plate；
Wherein, the graduation mark for identifying pressure can be set on dial plate, pointer can point out corresponding pressure from graduation mark.
Certainly, the structure of pointer pressure 131 is not limited to this, and the present embodiment is merely illustrative herein.Also, it presses
The type of power table 131 is also not necessarily limited to this, and pressure gauge 131 can also be digital display type pressure gauge 131 etc..
In the present embodiment, pressure gauge 131 can be multiple, at this point, working as the pressure that wherein at least two pressure gauge 131 is shown
When difference between value is greater than preset value, then it represents that there are failures for wherein at least one pressure gauge 131, so as to operation on site
Personnel have found in time, conducive to the reliability for guaranteeing pressure sensing result.
Wherein, multiple pressure gauges 131 can be arranged along the axially spaced-apart of connecting tube 11；And/or multiple pressure gauges 131 can edge
The spaced radial of connecting tube 11 is arranged.
Plug main body 141 is specifically as follows cylinder, the salable upper end that connecting tube 11 is arranged in of plug main body 141, with close
Seal connecting tube 11.
Relief port can be set in plug main body 141, relief port is connected to connecting tube 11, so that the pressure in production tree
It draws off through connecting tube 11 and from relief port.
Relief tube 12 is installed in relief port, relief tube 12 can be sealed with relief port to be cooperated, in order to avoid the pressure in connecting tube 11
Power is revealed between relief tube 12 and relief port.Such as: relief tube 12 can be connected through a screw thread, is interference fitted, be adhesively fixed
Mode is fixed in relief port；Certainly, relief tube 12 can also be wholely set with plug main body 141.
Pressure relief valve 121 is installed, pressure relief valve 121 is used to open relief port, so that in production tree on relief tube 12
Pressure is drawn off from relief port；Pressure relief valve 121 is also used to close relief port, to guarantee that production tree can normally realize its control
Well head pressure adjusts the functions such as oil gas flow.
Pressure relief valve 121 is attached between relief tube 12 and plug main body 141 or pressure relief valve 121 is connected to and unloads
Pressure pipe 12 deviates from the upper end of plug main body 141, or, relief tube 12 includes multiple pipe nipples, and pressure relief valve 121 connects wherein
Between two adjacent pipe nipples.
In the present embodiment, by the way that relief port to be arranged in the top of connecting tube 11, in case the pressure drawn off gives scene especially
It is that live staff brings danger.
Machine-pumped oil well liquid level test plug component 1 provided in this embodiment, by the way that connecting tube 11 is arranged in the upper end of production tree,
And pressure gauge 131 is installed in the side of connecting tube 11, so, it is possible to accurately determine by pressure gauge 131 connecting tube 11 namely
Pressure in production tree is conducive to guarantee that release is complete, so as to which the safety of field operation is effectively ensured；In addition, by
Relief tube 12 is installed in the plug main body 141 of 11 upper end of connecting tube, and pressure-relief valve is installed on relief tube 12, in this way, can pass through
Pressure-relief valve turns on or off the relief port in plug main body 141, to protect the company between plug main body 141 and connecting tube 11
It connects.
Fig. 2 is the second structural schematic diagram of machine-pumped oil well liquid level test plug component provided in this embodiment.
Referring to figure 2., optionally, testing tube 13 is connected in connecting tube 11, pressure gauge 131 is mounted on testing tube 13.
Testing tube 13 is specifically as follows column tube body, and one end of testing tube 13 is connect with connecting tube 11, testing tube 13 it is another
One end is for installing pressure gauge 131.Testing tube 13 can be vertically arranged with connecting tube 11 namely the axial direction of testing tube 13 can be with connection
Pipe 11 it is axially vertical.
In specific implementation, test valve 132 is also equipped on testing tube 13, test valve 132 is located at pressure gauge 131
Towards the side of connecting tube 11.Test valve 132 is used to control the on-off between pressure gauge 131 and connecting tube 11.
When needing to detect the pressure in production tree, pressure gauge 131 and connecting tube 11 are connected by test valve 132,
So that fluid in connecting tube 11 can through connecting tube 11, test valve 132 and the sensing element for acting on pressure gauge 131, thus
Pressure gauge 131 is enabled to show corresponding pressure.
After detection finishes, pressure gauge 131 and connecting tube 11 are disconnected by test valve 132, connecting tube is truncated
Fluid in 11 is conducive to extend pressure gauge in order to avoid damaging pressure gauge 131 when the pressure of fluid is excessive in connecting tube 11
131 service life.
Fig. 3 is the third structural schematic diagram of machine-pumped oil well liquid level test plug component provided in this embodiment.
Referring to figure 3., optionally, pressure-relief valve is connected to one end that relief tube 12 deviates from plug main body 141, and pressure-relief valve
It is also connected with hose 3.
Hose 3 is used to guide the pressure drawn off in production tree, which is led to comparatively safe position, in order to avoid recover the oil
The pressure drawn off in tree brings danger to the especially live staff in scene.
Optionally, relief tube 12 and connecting tube 11 are coaxially disposed, and can smoothly be unloaded with the pressure guaranteed in connecting tube 11
Out.
Optionally, the upper end of connecting tube 11 is provided with connecting flange 111, and the lower end of plug main body 141 is provided with plug
Flange 142, plug flange 142 are fastenedly connected by multiple bolts with upper connecting flange 111.
Upper connecting flange 111 can be wholely set or be welded and fixed with connecting tube 11, can with the connection for guaranteeing between the two
By property.
Plug flange 142 can be wholely set or be welded and fixed with plug main body 141, can with the connection for guaranteeing between the two
By property.
Plug flange 142 can be fastenedly connected by multiple bolts and the upper connecting flange 111 of the upper end of connecting tube 11, with
Convenient for subsequent maintenance and replacement to connecting tube 11.
Also, at least one sealing element is also provided between plug flange 142 and upper connecting flange 111, to guarantee
Sealing performance between connecting tube 11 and plug main body 141, to be conducive to guarantee that production tree can normally execute it and control well head
Pressure adjusts the functions such as oil gas flow.
Optionally, the lower end of connecting tube 11 is provided with lower connecting flange 112, and lower connecting flange 112 is used for and production tree
The production tree flange 21 at end connects.
Lower connecting flange 112 can be wholely set or be welded and fixed with connecting tube 11, can with the connection for guaranteeing between the two
By property.
Production tree flange 21 can be wholely set or be welded and fixed with production tree, reliable with the connection for guaranteeing between the two
Property.
Production tree flange 21 can be fastenedly connected by multiple bolts and the lower connecting flange 112 of the lower end of connecting tube 11, with
Convenient for subsequent maintenance and replacement to connecting tube 11 or production tree.
Also, it is also provided at least one sealing element between production tree flange 21 and lower connecting flange 112, to guarantee
Sealing performance between connecting tube 11 and production tree, thus be conducive to guarantee production tree can normally execute its control well head pressure,
Adjust the functions such as oil gas flow.
Using machine-pumped oil well liquid level test plug component 1 provided in this embodiment, is needing to test liquid level namely needing to adopting
When oil tree carries out release, it can first close sleeve gate and open pressure relief valve 121, so that the pressure in production tree can be through connecting
Pipe 11 is drawn off from the relief port of plug main body 141, and can judge whether that release is complete by the reading on pressure gauge 131.
Embodiment two
Please continue to refer to Fig. 1-3, the present embodiment provides a kind of oil recovery tree devices, comprising: production tree, the upper end peace of production tree
Equipped with machine-pumped oil well liquid level test plug component 1.
Wherein, machine-pumped oil well liquid level test plug component 1, comprising: connecting tube 11, pressure gauge 131, plug main body 141, with
And relief tube 12.
Connecting tube 11 is used to be connected to the upper end of production tree and is connected to setting with production tree, and the upper end of connecting tube 11 is connected with
Plug.
Connecting tube 11 is specifically as follows column tube body, and the internal diameter of connecting tube 11 can be with the internal diameter phase of big four on production tree
Together, and pressure rank is identical, in order to improve the reliability of test result.
The lower end of connecting tube 11 is detachably connected for connecting with production tree with production tree, in order to subsequent maintenance.Example
Such as: the lower end of connecting tube 11 can be threadedly coupled with production tree.Also, connecting tube 11 is connected to setting with production tree, so that connecting tube
11 can have and pressure environment identical in production tree.
Pressure gauge 131 is mounted on the side of connecting tube 11, and pressure gauge 131 is used to measure the pressure in connecting tube 11, thus
Detect the pressure in production tree.
Pressure gauge 131 is specific mountable on the tube wall of connecting tube 11, may be provided with instrument connection on the tube wall of connecting tube 11,
Pressure gauge 131 is mounted in instrument connection.
In a wherein optional embodiment, the connection types such as pressure gauge 131 can be connected through a screw thread, be interference fitted are fixed
In instrument connection, in order to which pressure gauge 131 is overhauled and is replaced.
In another optional embodiment party, in order to guarantee that the installation reliability of pressure gauge 131, pressure gauge 131 can pass through welding
Mode be fixed in instrument connection.
Certainly, the mounting means of pressure gauge 131 is not limited to this, and the present embodiment is merely illustrative herein.
In the present embodiment, pressure gauge 131 can be pointer pressure 131, and pointer pressure 131 can have dial plate,
One end of dial plate is connected with mounting portion, and mounting portion is mounted in instrument connection, and mounting portion is provided with sensing element such as Bourdon tube, film
Box, bellows etc., and sensing element can be contacted with the fluid in connecting tube 11, to be sent out according to the pressure of the fluid in connecting tube 11
Raw corresponding elastic deformation, and the machine core in dial plate rotates corresponding angle according to the pointer in the elastic deformation control dial plate；
Wherein, the graduation mark for identifying pressure can be set on dial plate, pointer can point out corresponding pressure from graduation mark.
Certainly, the structure of pointer pressure 131 is not limited to this, and the present embodiment is merely illustrative herein.Also, it presses
The type of power table 131 is also not necessarily limited to this, and pressure gauge 131 can also be digital display type pressure gauge 131 etc..
In the present embodiment, pressure gauge 131 can be multiple, at this point, working as the pressure that wherein at least two pressure gauge 131 is shown
When difference between value is greater than preset value, then it represents that there are failures for wherein at least one pressure gauge 131, so as to operation on site
Personnel have found in time, conducive to the reliability for guaranteeing pressure sensing result.
Wherein, multiple pressure gauges 131 can be arranged along the axially spaced-apart of connecting tube 11；And/or multiple pressure gauges 131 can edge
The spaced radial of connecting tube 11 is arranged.
Plug main body 141 is mounted on the upper end of connecting tube 11, offers in plug main body 141 and unloads with what connecting tube 11 was connected to
Press mouth.
Plug main body 141 is specifically as follows cylinder, the salable upper end that connecting tube 11 is arranged in of plug main body 141, with close
Seal connecting tube 11.
Relief port can be set in plug main body 141, relief port is connected to connecting tube 11, so that the pressure in production tree
It draws off through connecting tube 11 and from relief port.
Relief tube 12 is mounted in 141 relief port of plug main body, and relief tube 12 is connected to by relief port with connecting tube 11；
Pressure relief valve 121 is installed, pressure relief valve 121 is used to control the opening and closing of relief port on relief tube 12.
Relief tube 12 can be sealed with relief port to be cooperated, in case the pressure in connecting tube 11 is between relief tube 12 and relief port
Leakage.Such as: the modes such as relief tube 12 can be connected through a screw thread, be interference fitted, being adhesively fixed are fixed in relief port；Certainly,
Relief tube 12 can also be wholely set with plug main body 141.
Pressure relief valve 121 is installed, pressure relief valve 121 is used to open relief port, so that in production tree on relief tube 12
Pressure is drawn off from relief port；Pressure relief valve 121 is also used to close relief port, to guarantee that production tree can normally realize its control
Well head pressure adjusts the functions such as oil gas flow.
Pressure relief valve 121 is attached between relief tube 12 and plug main body 141 or pressure relief valve 121 is connected to and unloads
Pressure pipe 12 deviates from the upper end of plug main body 141, or, relief tube 12 includes multiple pipe nipples, and pressure relief valve 121 connects wherein
Between two adjacent pipe nipples.
In the present embodiment, by the way that relief port to be arranged in the top of connecting tube 11, in case the pressure drawn off gives scene especially
It is that live staff brings danger.
Optionally, testing tube 13 is connected in connecting tube 11, pressure gauge 131 is mounted on testing tube 13.
Testing tube 13 is specifically as follows column tube body, and one end of testing tube 13 is connect with connecting tube 11, testing tube 13 it is another
One end is for installing pressure gauge 131.Testing tube 13 can be vertically arranged with connecting tube 11 namely the axial direction of testing tube 13 can be with connection
Pipe 11 it is axially vertical.
In specific implementation, test valve 132 is also equipped on testing tube 13, test valve 132 is located at pressure gauge 131
Towards the side of connecting tube 11.Test valve 132 is used to control the on-off between pressure gauge 131 and connecting tube 11.
When needing to detect the pressure in production tree, pressure gauge 131 and connecting tube 11 are connected by test valve 132,
So that fluid in connecting tube 11 can through connecting tube 11, test valve 132 and the sensing element for acting on pressure gauge 131, thus
Pressure gauge 131 is enabled to show corresponding pressure.
After detection finishes, pressure gauge 131 and connecting tube 11 are disconnected by test valve 132, connecting tube is truncated
Fluid in 11 is conducive to extend pressure gauge in order to avoid damaging pressure gauge 131 when the pressure of fluid is excessive in connecting tube 11
131 service life.
Optionally, pressure-relief valve is connected to one end that relief tube 12 deviates from plug main body 141, and pressure-relief valve is also connected with hose
3。
Hose 3 is used to guide the pressure drawn off in production tree, which is led to comparatively safe position, in order to avoid recover the oil
The pressure drawn off in tree brings danger to the especially live staff in scene.
Optionally, relief tube 12 and connecting tube 11 are coaxially disposed, and can smoothly be unloaded with the pressure guaranteed in connecting tube 11
Out.
Optionally, the upper end of connecting tube 11 is provided with connecting flange 111, and the lower end of plug main body 141 is provided with plug
Flange 142, plug flange 142 are fastenedly connected by multiple bolts with upper connecting flange 111.
Upper connecting flange 111 can be wholely set or be welded and fixed with connecting tube 11, can with the connection for guaranteeing between the two
By property.
Plug flange 142 can be wholely set or be welded and fixed with plug main body 141, can with the connection for guaranteeing between the two
By property.
Plug flange 142 can be fastenedly connected by multiple bolts and the upper connecting flange 111 of the upper end of connecting tube 11, with
Convenient for subsequent maintenance and replacement to connecting tube 11.
Also, at least one sealing element is also provided between plug flange 142 and upper connecting flange 111, to guarantee
Sealing performance between connecting tube 11 and plug main body 141, to be conducive to guarantee that production tree can normally execute it and control well head
Pressure adjusts the functions such as oil gas flow.
Optionally, the lower end of connecting tube 11 is provided with lower connecting flange 112, and lower connecting flange 112 is used for and production tree
The production tree flange 21 at end connects.
Lower connecting flange 112 can be wholely set or be welded and fixed with connecting tube 11, can with the connection for guaranteeing between the two
By property.
Production tree flange 21 can be wholely set or be welded and fixed with production tree, reliable with the connection for guaranteeing between the two
Property.
Production tree flange 21 can be fastenedly connected by multiple bolts and the lower connecting flange 112 of the lower end of connecting tube 11, with
Convenient for subsequent maintenance and replacement to connecting tube 11 or production tree.
Also, it is also provided at least one sealing element between production tree flange 21 and lower connecting flange 112, to guarantee
Sealing performance between connecting tube 11 and production tree, thus be conducive to guarantee production tree can normally execute its control well head pressure,
Adjust the functions such as oil gas flow.
Using machine-pumped oil well liquid level test plug component 1 provided in this embodiment, is needing to test liquid level namely needing to adopting
When oil tree carries out release, it can first close sleeve gate and open pressure relief valve 121, so that the pressure in production tree can be through connecting
Pipe 11 is drawn off from the relief port of plug main body 141, and can judge whether that release is complete by the reading on pressure gauge 131.
Machine-pumped oil well liquid level test plug component 1 provided in this embodiment, by the way that connecting tube 11 is arranged in the upper end of production tree,
And pressure gauge 131 is installed in the side of connecting tube 11, so, it is possible to accurately determine by pressure gauge 131 connecting tube 11 namely
Pressure in production tree is conducive to guarantee that release is complete, so as to which the safety of field operation is effectively ensured；In addition, by
Relief tube 12 is installed in the plug main body 141 of 11 upper end of connecting tube, and pressure-relief valve is installed on relief tube 12, in this way, can pass through
Pressure-relief valve turns on or off the relief port in plug main body 141, to protect the company between plug main body 141 and connecting tube 11
It connects.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of machine-pumped oil well liquid level test plug component, for being mounted on production tree characterized by comprising
Connecting tube, the connecting tube are used to be connected to the upper end of production tree and are connected to setting, the connecting tube with the production tree
Upper end be connected with plug；
Pressure gauge, the pressure gauge are mounted on the side of the connecting tube, and the pressure gauge is for measuring in the connecting tube
Pressure；
Plug main body, the plug main body are mounted on the upper end of the connecting tube, offer in the plug main body and the company
Take over the relief port of connection；
Relief tube, the relief tube are mounted in plug main body relief port, and the relief tube by the relief port with
The connecting tube connection；Pressure relief valve is installed, the pressure relief valve is for controlling opening for the relief port on the relief tube
It closes.
2. machine-pumped oil well liquid level test plug component according to claim 1, which is characterized in that be connected in the connecting tube
Testing tube, the pressure gauge are mounted on the testing tube.
3. machine-pumped oil well liquid level test plug component according to claim 2, which is characterized in that the pressure gauge is mounted on institute
State one end that testing tube deviates from the connecting tube.
4. machine-pumped oil well liquid level test plug component according to claim 2, which is characterized in that also installed on the testing tube
There is test valve, the test valve is located at the pressure gauge towards the side of the connecting tube.
5. machine-pumped oil well liquid level test plug component according to claim 2, which is characterized in that the axial direction of the testing tube with
The axially vertical setting of the connecting tube.
6. machine-pumped oil well liquid level test plug component according to claim 1, which is characterized in that the pressure-relief valve is connected to institute
One end that relief tube deviates from the plug main body is stated, and the pressure-relief valve is also connected with hose.
7. machine-pumped oil well liquid level test plug component according to claim 1, which is characterized in that the relief tube and the company
Adapter tube coaxial arrangement.
8. machine-pumped oil well liquid level test plug component according to claim 1-7, which is characterized in that the connecting tube
Upper end be provided with connecting flange, the lower end of the plug main body is provided with plug flange, and the plug flange passes through multiple
Bolt is fastenedly connected with the upper connecting flange.
9. machine-pumped oil well liquid level test plug component according to claim 1-7, which is characterized in that the connecting tube
Lower end be provided with lower connecting flange, the lower connecting flange is for the production tree flanged joint with production tree upper end.
10. a kind of oil recovery tree device characterized by comprising production tree, the upper end of the production tree are equipped with claim 1-
9 described in any item machine-pumped oil well liquid level test plug components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031495.4U CN208594932U (en) | 2018-07-02 | 2018-07-02 | Plug assembly for testing liquid level of mechanical production well and Christmas tree device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031495.4U CN208594932U (en) | 2018-07-02 | 2018-07-02 | Plug assembly for testing liquid level of mechanical production well and Christmas tree device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208594932U true CN208594932U (en) | 2019-03-12 |
Family
ID=65602180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821031495.4U Active CN208594932U (en) | 2018-07-02 | 2018-07-02 | Plug assembly for testing liquid level of mechanical production well and Christmas tree device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208594932U (en) |
-
2018
- 2018-07-02 CN CN201821031495.4U patent/CN208594932U/en active Active
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