CN205858324U - Oil well head pressure testing device and spanner - Google Patents
Oil well head pressure testing device and spanner Download PDFInfo
- Publication number
- CN205858324U CN205858324U CN201620438866.5U CN201620438866U CN205858324U CN 205858324 U CN205858324 U CN 205858324U CN 201620438866 U CN201620438866 U CN 201620438866U CN 205858324 U CN205858324 U CN 205858324U
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- oil well
- groove
- passage
- main body
- well head
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Abstract
The utility model discloses a kind of oil well head pressure testing device and with its with the use of spanner, belong to the technical field of oil well head pressure testing.This device includes pressure tester main body, described pressure tester main body is provided be positioned at the first end of described pressure tester main body and for the inlet connected with well mouth of oil well, be positioned at described pressure tester main body the second end and the first groove of opening, connect the described inlet passage with described first groove, and with the pressure gauge connection of described channel connection;It is inserted with plug members in connecting the described inlet described passage with described first groove, and the termination of described plug members is positioned at described first groove, the profile of described termination is polygonized structure, and when turn termination, described plug members can move axially in the channel.Use this pressure tester can not only carry out pressure measurement at well mouth of oil well, prevent external staff from stealing well liquid, additionally it is possible to realize well mouth of oil well sampling.
Description
Technical field
This utility model relates to a kind of oil well head pressure testing device and spanner.
Background technology
Pumpingh well pressure measurement and sampling are one of material particulars in oil extraction operation detection, it is possible to collection is dynamic with Jing Yexiangguan's
State data such as physics, chemical parameters information etc..By the collected dynamic data with Jing Yexiangguan, can be visually known
The aqueous situation of oil well, full and accurate grasp oilwell produced fluid amount and the change of oil production exactly, offer is provided dynamically for oil-water well
Foundation, is the requisite baseline file of oil field development reliably.
In order to carry out well-head pressure-measuring, prior art generally use the oil well head pressure testing device with outside handwheel come real
Existing.Specifically, handwheel is arranged on the outside of oil well head pressure testing device and is connected with valve switch, when in outside turn
During handwheel, well liquid enters connection to be had in manometric passage, can realize pressure measurement.
During realizing this utility model, designer find prior art at least there is problems in that due to for
The operated by handwheel opening valve switch is carried out in the outside of pressure tester so that external staff is also easy to be filled by well-head pressure-measuring
Put, steal at pressure gauge connection and release crude oil, thereby result in crude oil and run off, not only affect economic benefit, severe contamination well head ring
Border, also increases the artificial workload of employee, seriously annoyings the normal production of enterprise.
Utility model content
For solving above-mentioned technical problem, this utility model offer is a kind of can be in the feelings not affecting the normal pressure measurement of well mouth of oil well
Under condition, prevent external staff from releasing the oil well head pressure testing device of well liquid.Meanwhile, this device is utilized can also to carry out well mouth of oil well
Sampling.
Specifically, including following technical scheme:
A kind of oil well head pressure testing device, including pressure tester main body, is provided with being positioned in described pressure tester main body
First end of described pressure tester main body and for the inlet connected with well mouth of oil well, be positioned at the of described pressure tester main body
Two ends and the first groove of opening and connect the passage of described inlet and described first groove;Entering described in connection
Liquid mouth and the described passage of described first groove are inserted with plug members, and the termination of described plug members is positioned at described
In first groove, the profile of described termination is polygonized structure, and when turn termination, described plug members can occur in the channel
Move axially.
Preferably, described polygonized structure is triangle, tetragon, pentagon, hexagon, heptagon or octagon.
Preferably, described plug members has sealing ring.
Preferably, on described plug members, the side of close described termination is provided with for sealing described pressure tester master
The gland of body, described gland props up described plug members.
Preferably, for threadeding between described gland with described first groove.
Preferably, being additionally provided with emptying switch in described pressure tester main body, described emptying switch is positioned at logical with described
In second groove of road connection, and it is provided with emptying passage on described emptying switch.
Preferably, the aperture of described second groove is 15mm.
Preferably, the first end of described emptying passage connects with described second groove, and the second end of described emptying passage is even
Lead to outside.
Preferably, the outside of described pressure tester main body has interface, and described interface has external screw thread, is used for and oil well well
Mouth muff connects.
Further, this utility model also provides for a kind of spanner, and described spanner has endoporus and handle, and described endoporus has
The polygonized structure corresponding with the profile of described termination.
The beneficial effect of the technical scheme that this utility model embodiment provides is to provide one can not affect well mouth of oil well
In the case of normal pressure measurement, prevent external staff from releasing the oil well head pressure testing device of well liquid.Specifically, due to plug members
Termination is positioned at described first groove, hence in so that external staff is difficult to be engaged on termination the instrument of opening, and then is difficult to revolve
The termination of dynamic plug members, also allows for external staff and is difficult at pressure gauge connection release well liquid, thus play anti-theft function.
And the profile of termination is polygonized structure, the instrument the most only coordinated with this polygonized structure can smooth opening or
Turn termination, in this case, this utility model adds the difficulty opened, and plays anti-theft function.
It addition, this utility model embodiment also increases the aperture of emptying passage, and then this well mouth of oil well can be utilized to survey
Pressure device is sampled, say, that this utility model embodiment changes single well-head pressure-measuring device into multi-functional well head
Pressure measurement, sampler.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
The oil well head pressure testing device schematic diagram that Fig. 1 provides for this utility model embodiment;
The front view of the spanner that Fig. 2 a provides for this utility model embodiment;
The right view of the spanner that Fig. 2 b provides for this utility model embodiment.
Reference in figure represents respectively:
1, pressure tester main body;2, inlet;3, the first groove;4, passage;
5, plug members;6, the second groove;7, termination;8, gland;9, emptying switch;
10, emptying passage;11, interface;12, pressure gauge connection;13, feed pathway;
14, blocking channel;15, endoporus;16, handle;17, sealing ring.
Detailed description of the invention
For making the technical solution of the utility model and advantage clearer, below in conjunction with accompanying drawing, this utility model is implemented
Mode is described in further detail.
This utility model embodiment provides a kind of oil well head pressure testing device, as it is shown in figure 1, this pressure tester includes pressure measurement
Apparatus main body 1, is provided with being positioned at the first end of pressure tester main body 1 and for well mouth of oil well even in pressure tester main body 1
First groove 3 of logical inlet 2, the second end being positioned at pressure tester main body 1 and opening, connection inlet 2 and first
The passage 4 of groove 3 and the pressure gauge connection 12 connected with described passage 4;At connection inlet 2 and the passage of the first groove 3
Being inserted with plug members 5 in 4, and the termination 7 of plug members 5 is positioned at the first groove 3, the profile of termination 7 is polygon knot
Structure, when turn termination 7, plug members 5 can move axially in passage 4.
It should be noted that in FIG, the first end of pressure tester main body 1 is left end, the second of pressure tester main body 1
End is right-hand member.Left end is relative with right-hand member in FIG, but this utility model is not limited to this relative side of setting
Formula.Such as this utility model can also use the first end and second end of non-relative fashion.
The above-mentioned oil well head pressure testing device of this utility model embodiment may be mounted on well mouth of oil well, is positioned at pressure measurement dress
Put the first end of main body 1 and the inlet 2 for connecting with well mouth of oil well connects with well mouth of oil well.This utility model embodiment carries
The operation principle of the oil well head pressure testing device of confession is: when needs carry out pressure measurement, Pressure gauge is connected to pressure gauge connection 12
Place, the then termination 7 of turn plug members 5, plug members 5 is screwed out passage 4 one segment distance, but not exclusively screws out, well liquid exists
Flow out from well mouth of oil well under the effect of internal pressure, via inlet 2, enter passage 4, due to passage 4 and pressure gauge connection 12
Connection, a part of well liquid stream has manometric pressure gauge connection 12, the Pressure gauge that punching press is connected to connection, thus can record well
The pressure of liquid, thus realize the pressure measuring function of this device.After pressure measurement completes, plug members 5 is screwed in passage 4, then takes off pressure
Power table.Owing to the termination 7 of plug members 5 is positioned at the first groove 3, use this pressure tester that external staff can be made to be difficult to beat
The tool that goes into operation is engaged on termination 7, and then is difficult to the termination 7 of turn plug members 5, therefore, it is difficult to release at pressure gauge connection 12
Well liquid, thus play anti-theft function.And the profile of the termination 7 of plug members 5 is polygonized structure, only the most polygon with this
The instrument of shape respective outer side edges can turn termination 7 smoothly, the most in this case, outside operated by handwheel before is changed into
The instrument that the profile of the termination 7 with plug members 5 must be used to match is opened, and adds the difficulty opened, and plays antitheft
Effect.
In above-mentioned pressure tester, the profile of the termination 7 of plug members 5 can be triangle, tetragon, pentagon,
Hexagon, heptagon or octagon, preferably pentagon, pentagonal structure is easy to processing, can be accepted again stress well.Rotation
During moved end 7, need use can with its form fit open instrument, the most polygonal spanner, this spanner the most also may be used
Think triangle, tetragon, pentagon, hexagon, heptagon or octagon.
In above-mentioned pressure tester, the passage 4 of connection inlet 2 and the first groove 3 includes feed pathway 13 and blocking
Passage 14, plug members 5 is positioned in blocking channel 14.
In above-mentioned pressure tester, the concrete kind of plug members 5 does not has strict restriction, such as, can be one end band
Having termination, the other end is the screw rod of taper.
For sealing connection inlet 2 and the passage 4 of the first groove 3, prevent well liquid from flowing out from passage 4, in described pressure measurement
In device, plug members 5 being additionally provided with sealing ring 17, the concrete kind of sealing ring 17 does not has strict restriction, the most permissible
For the rubber sealing ring being made up of rubber.
In above-mentioned pressure tester, on plug members 5, the side near termination 7 is provided with for sealing pressure tester
The gland 8 of main body 1, gland 8 props up plug members 5, prevents plug members 5 excessive and scurry out from passage 4 due to internal pressure.
The shape of gland 8 is not particularly limited, as long as plug members 5 can be propped up.Can be such as disc, be preferably
The disc coordinated with the first groove 3.
In above-mentioned pressure tester, preferably threaded between gland 8 with the first groove 3.Because when turn termination 7
Time, gland 8 rotates with termination 7, uses the threaded sealing function strengthening gland 8, and supporting plug members 5
Pressure effect, improves contact pressure.
After completing due to a pressure measurement, overbottom pressure inside this pressure tester, can be remained, for ensureing the accuracy of pressure measurement again,
In above-mentioned pressure tester, being additionally provided with emptying switch 9 in pressure tester main body 1, emptying switch 9 is positioned at passage 4 even
In the second logical groove 6.And on emptying switch 9, it is provided with emptying passage 10.Under daily state, emptying switch 9 blocking channels 4
And the connection between the second groove 6, and emptying switch 9 is preferably taper towards one end of passage 4.When needs pressure measurement again,
The termination 7 of turn plug members 5, makes plug members 5 enter passage 4, and then the leading to of blocking connection inlet 2 and the first groove 3
Road 4, now by emptying switch 9 back-out the second groove 6 one segment distance, but not exclusively screws out, makes the second groove 6 connect with passage 4,
And then making emptying passage 10 connect with passage 4, the liquid in pressure tester flows out from emptying passage 10, makes within pressure tester
Pressure is released, and then screws emptying switch 9, connects Pressure gauge, then the end of turn plug members 5 at pressure gauge connection 12
7, carry out pressure measurement again.First release pressure within pressure tester, then carry out pressure measurement, measurement result can be made more accurate.
In above-mentioned pressure tester, the first end and second groove 6 of emptying passage 10 connect, the second of emptying passage 10
End is communicated to outside.It should be noted that in FIG, the first end of emptying passage 10 is opening upper end obliquely, and emptying is logical
Second end in road 10 is lower end straight down, but this utility model is not limited to this setup, at emptying switch 9
Screw out the second groove 6 one segment distance, but when not exclusively screwing out, as long as the set-up mode of the second groove 6 and ft connection can be realized
?.
Meanwhile, the sampling to oil well can be realized at the second groove 6.Concrete operations are: after pressure measurement completes, and keep Pressure gauge
It is connected at pressure gauge connection 12, by plug members 5 precession passage 4, emptying switch 9 is screwed out the second groove 6, completely second
Groove 6 connects upper pipeline, the then termination 7 of turn plug members 5, and plug members 5 screws out passage 4 one segment distance, but the completeest
Wheel goes out, and well liquid flows out from well mouth of oil well under the effect of internal pressure, via inlet 2, enters the blocking channel 14 of passage 4
In, owing to the blocking channel 14 of passage 4 connects with the second groove 6, and connection has pipeline at the second groove 6, thus well liquid oil
Product can enter pipeline, be collected into in the container of pipeline communication, it is achieved the sampled functions of this device.Further, arrange
The aperture of the second groove 6 is more than 8mm, preferably 15mm.Well liquid owing to flowing out from well head contains moisture, increases the second groove 6
Aperture, oil can be made to flow more steady and smooth, it is ensured that the accuracy of oil sample composition.
In above-mentioned pressure tester, the outside of pressure tester main body 1 has interface 11, and interface 11 has external screw thread, uses
In being connected with well mouth of oil well muff.
Fig. 2 a regards for the right side of the spanner for coordinating oil well head pressure testing device to use that this utility model embodiment provides
Figure, the front view of the spanner for coordinating oil well head pressure testing device to use that Fig. 2 b provides for this utility model embodiment, should
Spanner has endoporus 15 and handle 16, and endoporus 15 has the polygon corresponding with the profile of the termination 7 of above-mentioned plug members 5
Structure.During use, being engaged on the termination 7 of plug members 5 by the endoporus 15 of spanner, handle 16 is in the outside of the first groove 3,
Gripping handle 16 rotates, and gets final product the termination 7 of turn plug members 5, is sampled and pressure measurement.
The above is for only for ease of those skilled in the art and understands the technical solution of the utility model, not in order to
Limit this utility model.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made,
Within should be included in protection domain of the present utility model.
Claims (10)
1. an oil well head pressure testing device, including pressure tester main body (1),
Described pressure tester main body (1) is provided be positioned at the first end of described pressure tester main body (1) and be used for and oil well
Inlet (2), the second end being positioned at described pressure tester main body (1) and first groove (3) of opening of well head connection, company
Logical described inlet (2) and the passage (4) of described first groove (3) and the pressure gauge connection connected with described passage (4)
(12);It is characterized in that,
It is inserted with plug members (5) in connecting the described inlet (2) the described passage (4) with described first groove (3), and
The termination (7) of described plug members (5) is positioned at described first groove (3), and the profile of described termination (7) is polygonized structure,
When turn termination (7), described plug members (5) can move axially in passage (4).
Oil well head pressure testing device the most according to claim 1, it is characterised in that described polygonized structure be triangle,
Tetragon, pentagon, hexagon, heptagon or octagon.
Oil well head pressure testing device the most according to claim 1, it is characterised in that have close on described plug members (5)
Seal (17).
Oil well head pressure testing device the most according to claim 1, it is characterised in that upper close at described plug members (5)
The side of described termination (7) is provided with the gland (8) for sealing described pressure tester main body (1), and described gland (8) props up institute
State plug members (5).
Oil well head pressure testing device the most according to claim 4, it is characterised in that described gland (8) is first recessed with described
It is threaded between groove (3).
Oil well head pressure testing device the most according to claim 1, it is characterised in that on described pressure tester main body (1)
Being additionally provided with emptying switch (9), described emptying switch (9) is positioned at the second groove (6) connected with described passage (4), and
It is provided with emptying passage (10) on described emptying switch (9).
Oil well head pressure testing device the most according to claim 6, it is characterised in that the aperture of described second groove (6) is
15mm。
Oil well head pressure testing device the most according to claim 6, it is characterised in that the first end of described emptying passage (10)
Connecting with described second groove (6), the second end of described emptying passage (10) is communicated to outside.
Oil well head pressure testing device the most according to claim 1, it is characterised in that outside described pressure tester main body (1)
Portion has interface (11), and described interface (11) has external screw thread, for being connected with well mouth of oil well muff.
10. a spanner, it is characterised in that described spanner has endoporus (15) and handle (16), described endoporus (15) have with
The polygonized structure that the profile of termination described in claim 1 (7) is corresponding.
Priority Applications (1)
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CN201620438866.5U CN205858324U (en) | 2016-05-13 | 2016-05-13 | Oil well head pressure testing device and spanner |
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CN201620438866.5U CN205858324U (en) | 2016-05-13 | 2016-05-13 | Oil well head pressure testing device and spanner |
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CN205858324U true CN205858324U (en) | 2017-01-04 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110593797A (en) * | 2019-10-14 | 2019-12-20 | 张毓华 | Injection well connector that prevents frostbite |
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2016
- 2016-05-13 CN CN201620438866.5U patent/CN205858324U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110593797A (en) * | 2019-10-14 | 2019-12-20 | 张毓华 | Injection well connector that prevents frostbite |
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