CN208594933U - Safety device for liquid level test of mechanical production well and Christmas tree device - Google Patents
Safety device for liquid level test of mechanical production well and Christmas tree device Download PDFInfo
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- CN208594933U CN208594933U CN201821034264.9U CN201821034264U CN208594933U CN 208594933 U CN208594933 U CN 208594933U CN 201821034264 U CN201821034264 U CN 201821034264U CN 208594933 U CN208594933 U CN 208594933U
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- 238000012360 testing method Methods 0.000 title claims abstract description 111
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 72
- 239000007788 liquid Substances 0.000 title claims abstract description 39
- 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
- 238000003466 welding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 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
- 238000009434 installation Methods 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 210000002445 nipple Anatomy 0.000 description 4
- 244000147058 Derris elliptica Species 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- -1 be acidified Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 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-pumped oil recovery well liquid level test safety device and production tree device relates to the oil gas exploitation technique. The utility model has the advantages that the pressure in the connecting pipe, namely the Christmas tree, can be accurately determined through the pressure gauge by setting the testing channel and installing the pressure gauge on the testing channel, thereby being beneficial to ensuring complete pressure relief and effectively ensuring the safety of field operation; in addition, a pressure relief channel is formed at the upper end of the plug body, and a pressure relief valve is installed in the pressure relief channel, so that a pressure relief opening in the plug body can be opened or closed by the pressure relief valve to protect the connection between the plug body and the Christmas tree.
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 safety device 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 safety device 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 safety device, for being mounted on production tree
On, comprising: plug main body, the plug main body are used to be mounted on the upper end of production tree；Connecting tube, the connecting tube are mounted on institute
It states in plug main body, and the connecting tube is connected to the production tree.
Wherein, the connecting tube is provided with TCH test channel, and pressure gauge is provided on the TCH test channel, and the pressure gauge is used
Pressure in the measurement connecting tube.
The connecting tube is additionally provided with discharge channel, and the discharge channel is located above the TCH test channel, the release
Pressure relief valve is provided on channel, the pressure relief valve is used to control the opening and closing of the discharge channel.
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 connecting tube is located at the supreme part formation discharge channel of the TCH test channel；The pressure-relief valve peace
Deviate from the upper end of the plug main body mounted in the connecting tube, the pressure-relief valve have the entrance that is connected to the connecting tube and
Away from the outlet of the connecting tube, the outlet of the connecting tube forms relief port.
Optionally, the pressure-relief valve is also connected with hose.
Optionally, the lower end of the plug main body is provided with plug flange, and the plug flange passes through multiple bolts and institute
The production tree flange for stating production tree upper end is fastenedly connected.
Optionally, the plug main body is fixed or is wholely set with the plug flange welding.
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 safety devices.
Machine-pumped oil well liquid level test safety device and oil recovery tree device provided by the utility model, simultaneously by setting TCH test channel
Pressure gauge is installed on TCH test channel, so, it is possible to accurately determine the pressure in connecting tube namely production tree by pressure gauge,
Conducive to guaranteeing that release is complete, so as to which the safety of field operation is effectively ensured；In addition, by being formed in plug main body upper end
Discharge channel, and pressure-relief valve is installed in discharge channel, in this way, unloading in plug main body can be turned on or off by pressure-relief valve
Mouth is pressed, to protect the connection between plug main body and production tree.
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 safety device provided in this embodiment；
Fig. 2 is the second structural schematic diagram of machine-pumped oil well liquid level test safety device provided in this embodiment；
Fig. 3 is the third structural schematic diagram of machine-pumped oil well liquid level test safety device provided in this embodiment.
Description of symbols:
1- machine-pumped oil well liquid level test safety device；
11- plug main body；111- plug flange；
12- connecting tube；
12a- TCH test channel；
121- pressure gauge；122- test valve；124- testing tube；
12b- discharge channel；
123- pressure relief valve；
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 safety device provided in this embodiment.
The present embodiment provides a kind of machine-pumped oil well liquid level test safety devices 1, for being mounted on production tree, comprising: plug
Main body 11, plug main body 11 are used to be mounted on the upper end of production tree；Connecting tube 12, connecting tube 12 are mounted in plug main body 11,
And connecting tube 12 is connected to production tree.
Wherein, connecting tube 12 is provided with TCH test channel 12a, and pressure gauge 121, pressure gauge 121 are provided on TCH test channel 12a
For measuring the pressure in connecting tube 12.
Connecting tube 12 is additionally provided with discharge channel 12b, and discharge channel 12b is located above TCH test channel 12a, discharge channel
Pressure relief valve 123 is provided on 12b, pressure relief valve 123 is for being selectively opened and closed discharge channel 12b.
Plug main body 11 is specifically as follows cylinder, the salable upper end that production tree is arranged in of plug main body 11, plug main body
11 leak with the junction of production tree.
Connecting tube 12 is specifically as follows column tube body, and the internal diameter of connecting tube 12 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 12 be used for plug main body 11, and be detachably connected with plug main body 11, in order to subsequent inspection
It repairs.
Wherein, through-hole is offered in plug main body 11, connecting tube 12 is mountable in through-holes, and connecting tube 12 passes through through-hole
It is connected to production tree, so that connecting tube 12 can have and pressure environment identical in production tree.Such as: the lower end of connecting tube 12 can
It is threadedly coupled with plug main body 11.
Mountable on the tube wall of connecting tube 12 to have pressure gauge 121, pressure gauge 121 is used to detect the pressure in connecting tube 12,
To detect the pressure in production tree.At this point, in one end of connecting tube 12 and connecting tube 12 pressure gauge 121 installation site it
Between formed TCH test channel 12a.
In a wherein optional embodiment, instrument connection may be provided on the tube wall of connecting tube 12, pressure gauge 121 is mounted on
In instrument connection, the connection types such as pressure gauge 121 can be connected through a screw thread, be interference fitted are fixed in instrument connection, in order to pressure
Power table 121 is overhauled and is replaced.
In another optional embodiment party, in order to guarantee that the installation reliability of pressure gauge 121, pressure gauge 121 can pass through welding
Mode be fixed in instrument connection.
Certainly, the mounting means of pressure gauge 121 is not limited to this, and the present embodiment is merely illustrative herein.
In the present embodiment, pressure gauge 121 can be pointer pressure 121, and pointer pressure 121 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 12, to be sent out according to the pressure of the fluid in connecting tube 12
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 121 is not limited to this, and the present embodiment is merely illustrative herein.Also, it presses
The type of power table 121 is also not necessarily limited to this, and pressure gauge 121 can also be digital display type pressure gauge 121 etc..
In the present embodiment, pressure gauge 121 can be multiple, at this point, working as the pressure that wherein at least two pressure gauge 121 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 121, so as to operation on site
Personnel have found in time, conducive to the reliability for guaranteeing pressure sensing result.
Wherein, multiple pressure gauges 121 can be arranged along the axially spaced-apart of connecting tube 12；And/or multiple pressure gauges 121 can edge
The spaced radial of connecting tube 12 is arranged.
The part of 121 top of pressure gauge can form discharge channel 12b in connecting tube 12, and connecting tube 12 deviates from plug main body 11
One end can form relief port.
Pressure relief valve 123 is provided in discharge channel 12b, pressure relief valve 123 is used to open relief port, so that in production tree
Pressure drawn off from relief port；Pressure relief valve 123 is also used to close relief port, to guarantee that production tree can normally realize its control
Well head pressure processed adjusts the functions such as oil gas flow namely pressure relief valve 123 is used to control the opening and closing of discharge channel 12b.
Relief tube may include multiple pipe nipples, and pressure relief valve 123 connects between two wherein adjacent pipe nipples, and release
Valve 123 is located at the top of pressure gauge 121.
In the present embodiment, by the way that relief port to be arranged in the top of connecting tube 12, in case the pressure drawn off gives scene especially
It is that live staff brings danger.
Machine-pumped oil well liquid level test safety device 1 provided in this embodiment, by setting TCH test channel 12a and in TCH test channel
Pressure gauge 121 is installed on 12a, so, it is possible to accurately determine the pressure in connecting tube 12 namely production tree by pressure gauge 121
Power is conducive to guarantee that release is complete, so as to which the safety of field operation is effectively ensured；In addition, by plug main body 11
End forms discharge channel 12b, and installs pressure-relief valve in discharge channel 12b, in this way, can be turned on or off by pressure-relief valve stifled
Relief port in head main body 11, to protect the connection between plug main body 11 and production tree.
Fig. 2 is the second structural schematic diagram of machine-pumped oil well liquid level test safety device provided in this embodiment.
Referring to figure 2., optionally, testing tube 124 is connected in connecting tube 12, pressure gauge 121 is mounted on testing tube 124
On.
Testing tube 124 is specifically as follows column tube body, and one end of testing tube 124 is connect with connecting tube 12, testing tube 124
The other end is for installing pressure gauge 121.Testing tube 124 can be vertically arranged with connecting tube 12 namely the axial direction of testing tube 124 can be with
Connecting tube 12 it is axially vertical.
In specific implementation, test valve 122 is also equipped on testing tube 124, test valve 122 is located at pressure gauge 121
Towards the side of connecting tube 12.Test valve 122 is used to control the on-off between pressure gauge 121 and connecting tube 12.
When needing to detect the pressure in production tree, pressure gauge 121 and connecting tube 12 are connected by test valve 122,
So that fluid in connecting tube 12 can through connecting tube 12, test valve 122 and the sensing element for acting on pressure gauge 121, thus
Pressure gauge 121 is enabled to show corresponding pressure.
After detection finishes, pressure gauge 121 and connecting tube 12 are disconnected by test valve 122, connecting tube is truncated
Fluid in 12 is conducive to extend pressure gauge in order to avoid damaging pressure gauge 121 when the pressure of fluid is excessive in connecting tube 12
121 service life.
Fig. 3 is the third structural schematic diagram of machine-pumped oil well liquid level test safety device provided in this embodiment.
Referring to figure 3., optionally, pressure-relief valve is mounted on the upper end of connecting tube 12, and pressure-relief valve has to be connected to connecting tube 12
Entrance and away from the outlet of connecting tube 12, the outlet of connecting tube 12 forms relief port.
By the way that pressure-relief valve to be directly installed on to the upper end of connecting tube 12, conducive to the structure for simplifying connecting tube 12, reduction machine is adopted
Leakage point in well liquid level test safety device 1.
Optionally, 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, the lower end of plug main body 11 is provided with plug flange 111, and plug flange 111 passes through multiple bolts and adopts
The production tree flange 21 of the upper end You Shu is fastenedly connected.
Plug flange 111 can be wholely set or be welded and fixed with plug main body 11, can with the connection for guaranteeing between the two
By property.
Plug flange 111 is detachably connected by multiple bolts with production tree flange 21, in order to subsequent to connecting tube 12
Maintenance and replacement.
Also, at least one sealing element is also provided between plug flange 111 and production tree flange 21, it is stifled to guarantee
Head main body 11 and production tree between sealing performance, thus be conducive to guarantee production tree can normally execute its control well head pressure,
Adjust the functions such as oil gas flow.
Correspondingly, the lower end of connecting tube 12 may also set up lower connecting flange, and the upper end of plug main body 11 is provided with company
Acting flange, the lower connecting flange of connecting tube 12 are fastenedly connected by multiple bolts and connecting flange in plug main body 11.
Lower connecting flange can be wholely set or be welded and fixed with connecting tube 12, reliable with the connection for guaranteeing between the two
Property.
Upper connecting flange can be wholely set or be welded and fixed with plug main body 11, reliable with the connection for guaranteeing between the two
Property.
Connecting flange is detachably connected by multiple bolts and the lower connecting flange of connecting tube 12 in plug main body 11, in order to
Subsequent maintenance and replacement to connecting tube 12 or production tree.
Also, at least one is also provided between connecting flange and the lower connecting flange of connecting tube 12 in plug main body 11
Sealing element, to guarantee the sealing performance between connecting tube 12 and plug main body 11, to be conducive to guarantee that production tree can normally hold
Capable its controls well head pressure, adjusts the functions such as oil gas flow.
Using machine-pumped oil well liquid level test safety device 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 123, so that the pressure in production tree can be through connecting
Pipe 12 is drawn off, and can judge whether that release is complete by the reading on pressure gauge 121.
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 safety device 1.
Machine-pumped oil well liquid level test safety device 1 is wherein, comprising: plug main body 11 and connecting tube 12.
Plug main body 11 is used to be mounted on the upper end of production tree.
Connecting tube 12 is mounted in plug main body 11, and connecting tube 12 is connected to production tree.
Wherein, connecting tube 12 is provided with TCH test channel 12a, and pressure gauge 121, pressure gauge 121 are provided on TCH test channel 12a
For measuring the pressure in connecting tube 12.
Connecting tube 12 is additionally provided with discharge channel 12b, and discharge channel 12b is located above TCH test channel 12a, discharge channel
Pressure relief valve 123 is provided on 12b, pressure relief valve 123 is for being selectively opened and closed discharge channel 12b.
Plug main body 11 is specifically as follows cylinder, the salable upper end that production tree is arranged in of plug main body 11, plug main body
11 leak with the junction of production tree.
Connecting tube 12 is specifically as follows column tube body, and the internal diameter of connecting tube 12 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 12 be used for plug main body 11, and be detachably connected with plug main body 11, in order to subsequent inspection
It repairs.
Wherein, through-hole is offered in plug main body 11, connecting tube 12 is mountable in through-holes, and connecting tube 12 passes through through-hole
It is connected to production tree, so that connecting tube 12 can have and pressure environment identical in production tree.Such as: the lower end of connecting tube 12 can
It is threadedly coupled with plug main body 11.
Mountable on the tube wall of connecting tube 12 to have pressure gauge 121, pressure gauge 121 is used to detect the pressure in connecting tube 12,
To detect the pressure in production tree.At this point, in one end of connecting tube 12 and connecting tube 12 pressure gauge 121 installation site it
Between formed TCH test channel 12a.
In a wherein optional embodiment, instrument connection may be provided on the tube wall of connecting tube 12, pressure gauge 121 is mounted on
In instrument connection, the connection types such as pressure gauge 121 can be connected through a screw thread, be interference fitted are fixed in instrument connection, in order to pressure
Power table 121 is overhauled and is replaced.
In another optional embodiment party, in order to guarantee that the installation reliability of pressure gauge 121, pressure gauge 121 can pass through welding
Mode be fixed in instrument connection.
Certainly, the mounting means of pressure gauge 121 is not limited to this, and the present embodiment is merely illustrative herein.
In the present embodiment, pressure gauge 121 can be pointer pressure 121, and pointer pressure 121 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 12, to be sent out according to the pressure of the fluid in connecting tube 12
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 121 is not limited to this, and the present embodiment is merely illustrative herein.Also, it presses
The type of power table 121 is also not necessarily limited to this, and pressure gauge 121 can also be digital display type pressure gauge 121 etc..
In the present embodiment, pressure gauge 121 can be multiple, at this point, working as the pressure that wherein at least two pressure gauge 121 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 121, so as to operation on site
Personnel have found in time, conducive to the reliability for guaranteeing pressure sensing result.
Wherein, multiple pressure gauges 121 can be arranged along the axially spaced-apart of connecting tube 12；And/or multiple pressure gauges 121 can edge
The spaced radial of connecting tube 12 is arranged.
The part of 121 top of pressure gauge can form discharge channel 12b in connecting tube 12, and connecting tube 12 deviates from plug main body 11
One end can form relief port.
Pressure relief valve 123 is provided in discharge channel 12b, pressure relief valve 123 is used to open relief port, so that in production tree
Pressure drawn off from relief port；Pressure relief valve 123 is also used to close relief port, to guarantee that production tree can normally realize its control
Well head pressure processed adjusts the functions such as oil gas flow namely pressure relief valve 123 is used to control the opening and closing of discharge channel 12b.
Relief tube may include multiple pipe nipples, and pressure relief valve 123 connects between two wherein adjacent pipe nipples, and release
Valve 123 is located at the top of pressure gauge 121.
In the present embodiment, by the way that relief port to be arranged in the top of connecting tube 12, in case the pressure drawn off gives scene especially
It is that live staff brings danger.
Optionally, testing tube 124 is connected in connecting tube 12, pressure gauge 121 is mounted on testing tube 124.
Testing tube 124 is specifically as follows column tube body, and one end of testing tube 124 is connect with connecting tube 12, testing tube 124
The other end is for installing pressure gauge 121.Testing tube 124 can be vertically arranged with connecting tube 12 namely the axial direction of testing tube 124 can be with
Connecting tube 12 it is axially vertical.
In specific implementation, test valve 122 is also equipped on testing tube 124, test valve 122 is located at pressure gauge 121
Towards the side of connecting tube 12.Test valve 122 is used to control the on-off between pressure gauge 121 and connecting tube 12.
When needing to detect the pressure in production tree, pressure gauge 121 and connecting tube 12 are connected by test valve 122,
So that fluid in connecting tube 12 can through connecting tube 12, test valve 122 and the sensing element for acting on pressure gauge 121, thus
Pressure gauge 121 is enabled to show corresponding pressure.
After detection finishes, pressure gauge 121 and connecting tube 12 are disconnected by test valve 122, connecting tube is truncated
Fluid in 12 is conducive to extend pressure gauge in order to avoid damaging pressure gauge 121 when the pressure of fluid is excessive in connecting tube 12
121 service life.
Optionally, pressure-relief valve is mounted on the upper end of connecting tube 12, pressure-relief valve have the entrance being connected to connecting tube 12 and
Away from the outlet of connecting tube 12, the outlet of connecting tube 12 forms relief port.
By the way that pressure-relief valve to be directly installed on to the upper end of connecting tube 12, conducive to the structure for simplifying connecting tube 12, reduction machine is adopted
Leakage point in well liquid level test safety device 1.
Optionally, 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, the lower end of plug main body 11 is provided with plug flange 111, and plug flange 111 passes through multiple bolts and adopts
The production tree flange 21 of the upper end You Shu is fastenedly connected.
Plug flange 111 can be wholely set or be welded and fixed with plug main body 11, can with the connection for guaranteeing between the two
By property.
Plug flange 111 is detachably connected by multiple bolts with production tree flange 21, in order to subsequent to connecting tube 12
Maintenance and replacement.
Also, at least one sealing element is also provided between plug flange 111 and production tree flange 21, it is stifled to guarantee
Head main body 11 and production tree between sealing performance, thus be conducive to guarantee production tree can normally execute its control well head pressure,
Adjust the functions such as oil gas flow.
Correspondingly, the lower end of connecting tube 12 may also set up lower connecting flange, and the upper end of plug main body 11 is provided with company
Acting flange, the lower connecting flange of connecting tube 12 are fastenedly connected by multiple bolts and connecting flange in plug main body 11.
Lower connecting flange can be wholely set or be welded and fixed with connecting tube 12, reliable with the connection for guaranteeing between the two
Property.
Upper connecting flange can be wholely set or be welded and fixed with plug main body 11, reliable with the connection for guaranteeing between the two
Property.
Connecting flange is detachably connected by multiple bolts and the lower connecting flange of connecting tube 12 in plug main body 11, in order to
Subsequent maintenance and replacement to connecting tube 12 or production tree.
Also, at least one is also provided between connecting flange and the lower connecting flange of connecting tube 12 in plug main body 11
Sealing element, to guarantee the sealing performance between connecting tube 12 and plug main body 11, to be conducive to guarantee that production tree can normally hold
Capable its controls well head pressure, adjusts the functions such as oil gas flow.
Using machine-pumped oil well liquid level test safety device 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 123, so that the pressure in production tree can be through connecting
Pipe 12 is drawn off, and can judge whether that release is complete by the reading on pressure gauge 121.
Machine-pumped oil well liquid level test safety device 1 provided in this embodiment, by setting TCH test channel 12a and in TCH test channel
Pressure gauge 121 is installed on 12a, so, it is possible to accurately determine the pressure in connecting tube 12 namely production tree by pressure gauge 121
Power is conducive to guarantee that release is complete, so as to which the safety of field operation is effectively ensured；In addition, by plug main body 11
End forms discharge channel 12b, and installs pressure-relief valve in discharge channel 12b, in this way, can be turned on or off by pressure-relief valve stifled
Relief port in head main body 11, to protect the connection between plug main body 11 and production tree.
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 safety device, for being mounted on production tree characterized by comprising
Plug main body, the plug main body are used to be mounted on the upper end of production tree；
Connecting tube, the connecting tube is mounted in the plug main body, and the connecting tube is connected to the production tree；
Wherein, the connecting tube is provided with TCH test channel, pressure gauge is provided on the TCH test channel, the pressure gauge is for surveying
Measure the pressure in the connecting tube；
The connecting tube is additionally provided with discharge channel, and the discharge channel is located above the TCH test channel, the discharge channel
On be provided with pressure relief valve, the pressure relief valve is used to control the opening and closing of the discharge channel.
2. machine-pumped oil well liquid level test safety device 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 safety device 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 safety device 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 safety device 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 safety device according to claim 1, which is characterized in that the connecting tube is located at described
The supreme part of TCH test channel forms discharge channel；The pressure-relief valve is mounted on the connecting tube away from the upper of the plug main body
End, the pressure-relief valve have the entrance that is connected to the connecting tube and away from the outlets of the connecting tube, the connecting tube
Outlet forms relief port.
7. machine-pumped oil well liquid level test safety device according to claim 6, which is characterized in that the pressure-relief valve is also connected with
Hose.
8. machine-pumped oil well liquid level test safety device according to claim 1-7, which is characterized in that the plug master
The lower end of body is provided with plug flange, and the plug flange is tight by multiple bolts and the production tree flange of the production tree upper end
It is solidly connected.
9. machine-pumped oil well liquid level test safety device according to claim 8, which is characterized in that the plug main body with it is described
Plug flange welding is fixed or is wholely set.
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 safety devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034264.9U CN208594933U (en) | 2018-07-02 | 2018-07-02 | Safety device for liquid level test of mechanical production well and Christmas tree device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034264.9U CN208594933U (en) | 2018-07-02 | 2018-07-02 | Safety device for liquid level test of mechanical production well and Christmas tree device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208594933U true CN208594933U (en) | 2019-03-12 |
Family
ID=65602285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821034264.9U Active CN208594933U (en) | 2018-07-02 | 2018-07-02 | Safety device for liquid level test of mechanical production well and Christmas tree device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208594933U (en) |
-
2018
- 2018-07-02 CN CN201821034264.9U patent/CN208594933U/en active Active
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