CN206220960U - Self-adaptive current-limiting anti-theft oil wellhead sampling device - Google Patents
Self-adaptive current-limiting anti-theft oil wellhead sampling device Download PDFInfo
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- CN206220960U CN206220960U CN201621153353.6U CN201621153353U CN206220960U CN 206220960 U CN206220960 U CN 206220960U CN 201621153353 U CN201621153353 U CN 201621153353U CN 206220960 U CN206220960 U CN 206220960U
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- baffle plate
- end cap
- lower baffle
- lower limit
- connecting rod
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- 238000005070 sampling Methods 0.000 title claims abstract description 56
- 239000003129 oil well Substances 0.000 claims abstract description 31
- 230000003044 adaptive effect Effects 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 15
- 239000010779 crude oil Substances 0.000 abstract description 14
- 238000013461 design Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000001746 atrial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a self-adaptive current-limiting anti-theft oil well head sampling device, which comprises a body, wherein the body is a hollow cylinder, the inner wall of the body is provided with an upper limit and a lower limit, one end of the body is connected with an end cover, the end cover is inserted into the body, the inner end of the end cover is provided with a groove, a spring is arranged in the groove, a connecting rod is arranged in the body, an upper baffle is arranged at one end of the connecting rod and is positioned between an upper limit and a lower limit, the other end of the connecting rod is connected with the spring, and is positioned in the groove of the end cover, the connecting rod is also provided with a lower baffle plate, the lower baffle plate is positioned between the lower limit and the end cover, the upper baffle and the lower baffle are both provided with flow-limiting holes, the body is also provided with a sampling port, and the sampling port is provided with a sampling valve, the device simple structure, convenient operation can realize only can getting fixed volume oil appearance at every turn, unable continuous sampling prevents effectively that lawless persons from stealing crude oil from the sample connection.
Description
Technical field
The utility model belongs to oil recovery machiner field, is related to a kind of sampler of shaft mouth anti-theft oil, it is particularly a kind of from
Adapt to the shaft mouth anti-theft oil sampler of pressure balance current limliting.
Background technology
The sampling valve design of existing well mouth of oil well production tree is simple, and make lawless person's theft crude oil often selects it
Place.To ensure that crude oil is normally produced, prevent the generation of stolen phenomenon, oil field is typically locked using antitheft cap, is welded wellhead
The methods such as sample gate are protected, and Geng Youyou areas are protected whole production tree using wellhead antitheft box.Due to oil field development
The parameters such as crude oil water containing need to be in time tracked, sampling is frequent, and antitheft attachment device result in cumbersome, cost mistake in sampling process
Height, maintenance difficult etc..
Existing anti-theft device employs the devices such as theftproof lock, electromagnetic lock, coded lock.Disclosed in patent No. CN204140016U
A kind of Christmas tree wellhead samples antitheft special valve, addresses a kind of anti-theft sampling valve, mainly by valve body, oil-way pipe
Line, sample cock, sampling line, antitheft leading screw etc. are constituted.A kind of Novel oil well is disclosed in patent No. CN203362110U to prevent
Sampling device is stolen, a kind of anti-theft oil well sampler is disclosed in patent No. CN20358469U, addressed antitheft in wellhead sampling
Spanner is used in device.A kind of anti-theft oil well sampler, the patent No. are disclosed in patent No. CN203961904U
A kind of oil well multi-functional anti-theft sampling device is disclosed in CN203584423U, is addressed and silk is used in well-mouth theft-prevention sampler
It is stifled.A kind of multi-level dynamic sampling device of oil well is disclosed in patent No. CN203835386U, in patent No. CN202073546U
Disclose a kind of oil well head current-limiting anti-theft, disclosed in patent No. CN20358578U a kind of freezing-proof theft-proof exempt from emptying oil well take
Sampling device, has been respectively adopted anti-theft screw cap, cylindric limitation bar, filler pressure cap in import anti-theft sampling device.The patent No.
A kind of oil extraction in oil field well head device is disclosed in CN204457560U, a kind of oil extraction in oil field well head sampler is addressed, mainly by
The part combinations such as electromagnetism top rod valve, sealing platen, housing four-way, spring support seat, the pawl seat of righting three, nylon ball, one-way valve seat
Form, integrate the functions such as sampling, pressure release, oil pressure measurement, purging, reverse-filling.
Utility model content
The purpose of this utility model is the problem for overcoming existing well mouth of oil well sampling valve to meet well-mouth theft-prevention, there is provided one
New adaptive throttling guard against theft oil well head sampling apparatus are planted, to realize that current limliting is sampled, apparatus structure is simple, operates easy, labor
Fatigue resistance is low, to solve the problems, such as that lawless person carries out stolen by sample tap.
The technical solution of the utility model there is provided a kind of adaptive throttling guard against theft oil well head sampling apparatus, including this
Body, body is hollow cylinder, and inner body wall is provided with upper limit and lower limit, and body one end is connected with end cap, the end
Lid insertion body interior, and end cap the inner is provided with groove, built with spring, body interior is provided with connecting rod, connecting rod one end to the groove
Overhead gage is provided with, overhead gage is located between upper limit and lower limit, and the connecting rod other end is connected with spring, and the groove in end cap
Within, lower baffle plate is additionally provided with connecting rod, lower baffle plate is located between lower limit and end cap, is equipped with the overhead gage and lower baffle plate
Metering hole, is additionally provided with sample tap on the body, and sample tap is provided with sampling valve.
Described upper limit extends naturally with the distance of lower limit more than the distance between overhead gage and lower baffle plate, and spring
When, lower baffle plate is inconsistent with lower limit, and the metering hole on lower baffle plate is blocked by lower limit.
The diameter of the overhead gage and lower baffle plate is identical with body internal diameter, and the edge of overhead gage and lower baffle plate is curved.
On the connecting rod positioned at lower baffle plate left end length more than lower baffle plate right-hand member length, and connecting rod connecting spring one
End is all the time within the groove in end cap.
The end cap is connected with body by screw thread, and sealing ring is provided between end cap and body.
It is additionally provided with pressure port on the inwall of the body, and pressure port is in the position between lower limit and end cap, it is described
Pressure port is provided with valve and pressure gauge.
Described sample tap is located near the place of end cap, and the pressure port is located near the place of lower limit.
The beneficial effects of the utility model：
(1) this adaptive throttling guard against theft oil well head sampling apparatus simple structure that the utility model is provided, easy to operate,
It is capable of achieving that fixed volume oil sample can only be taken every time, it is impossible to continuous sampling, effectively prevents lawless person from stealing crude oil from sample tap.
(2) this adaptive throttling guard against theft oil well head sampling apparatus that the utility model is provided are by setting upper limit with
When spacing distance extends naturally more than the distance between overhead gage and lower baffle plate, and spring, lower baffle plate is inconsistent with lower limit,
The metering hole of lower baffle plate is blocked by lower limit.After sampling is finished, spring extends naturally, and lower baffle plate is inconsistent with lower limit, current limliting
Hole is blocked by lower limit, and device is still sealed, and the passage of crude oil will not be stolen to lawless person.
(3) the utility model provide this adaptive throttling guard against theft oil well head sampling apparatus by set overhead gage and under
The diameter of baffle plate is identical with body internal diameter, and the edge of overhead gage and lower baffle plate is curved, is easy to whole slide, reduces friction.
(4) this adaptive throttling guard against theft oil well head sampling apparatus that the utility model is provided be located on connecting rod by being set
The length of lower baffle plate left end more than lower baffle plate right-hand member length, this ensure that lower baffle plate reach end cap when overhead gage not with lower limit
Contact, the metering hole on overhead gage is not blocked, and can now continue sampling, in addition, one end of connecting rod connecting spring is located all the time
Within the groove of end cap, such connecting rod is just moved back and forth along center line automatically always, it is ensured that operation.
(5) the utility model provide this adaptive throttling guard against theft oil well head sampling apparatus by screw thread be connected end cap with
Body, is easy to the dismounting of device to overhaul, and sealing ring is provided between end cap and body, it is ensured that sealing.
(6) this adaptive throttling guard against theft oil well head sampling apparatus that the utility model is provided are by the inwall of body
Pressure port, and pressure port are provided with the position between lower limit and end cap, pressure port is provided with valve and pressure gauge, are easy to survey
Go out intrinsic pressure, it is to avoid accident, and pressure port is located near the place of lower limit, it is ensured that measurement is the lower baffle plate left side
Pressure.
(7) this adaptive throttling guard against theft oil well head sampling apparatus that the utility model is provided are located at by setting sample tap
Near the place of end cap, oil sample is pushed mainly by lower baffle plate and flowed out, and the amount near end cap sampling is maximum.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model adaptive throttling guard against theft oil well head sampling apparatus.
Description of reference numerals：1-upper limit；2-overhead gage；3-connecting rod；4-body；5-lower baffle plate；6-spring；
7-sealing ring；8-end cap；9-sampling valve；10-sample tap；11-lower limit；12-metering hole；13-pressure port.
Specific embodiment
The utility model is described in further details below with reference to accompanying drawing：
Embodiment 1：
A kind of adaptive throttling guard against theft oil well head sampling apparatus as shown in Figure 1, including body 4 are present embodiments provided,
Body 4 is hollow cylinder, and the inwall of body 4 is provided with upper limit 1 and lower limit 11, and the one end of body 4 is connected with end cap 8, institute
State inside the insertion body 4 of end cap 8, and groove is provided with the inner of end cap 8, the groove is built with spring 6, the company of being provided with inside body 4
Bar 3, one end of connecting rod 3 is provided with overhead gage 2, and overhead gage 2 is located between upper limit 1 and lower limit 11, the other end of connecting rod 3 and spring 6
Connection, and within the groove in end cap 8, is additionally provided with lower baffle plate 5 on connecting rod 3, lower baffle plate 5 be located at lower limit 11 and end cap 8 it
Between, restricted orifice 12 is all provided with the overhead gage 2 and lower baffle plate 5, sample tap 10, and sample tap 10 are additionally provided with the body 4
It is provided with sampling valve 9.
The operation principle of this adaptive throttling guard against theft oil well head sampling apparatus of the present utility model is as follows：
The left end connection crude oil pipeline of body 4, during crude oil sampling, opens sampling valve 9, connects inside sample tap 10 and body 4
Logical, crude oil enters inside body 4, and under the drive of pressure, overhead gage 2 and lower baffle plate 5 move right with connecting rod 3, the quilt of spring 6
Compression, the crude oil on the right side of lower baffle plate 5 is discharged from sample tap 10, when lower baffle plate 5 moves to 8 left end of end cap, closes sampling valve
9, sampling is completed, now due to equal restricted orifice 12 on overhead gage 2 and lower baffle plate 5, the right atrial pressure of lower baffle plate 5 slowly recovers, bullet
Spring 6 discharges elastic potential energy, and overhead gage 2 and lower baffle plate 5 are moved to left automatically with connecting rod 3, and crude oil is by metering hole 12, the right side of lower baffle plate 5
Crude oil is refilled, lower sub-sampling is waited.
This adaptive throttling guard against theft oil well head sampling apparatus simple structure of the present utility model, it is easy to operate, it is capable of achieving
Fixed volume oil sample can only be taken every time, it is impossible to continuous sampling, effectively prevent lawless person from stealing crude oil from sample tap.
Embodiment 2：
On the basis of embodiment 1, as shown in figure 1, described upper limit 1 is more than overhead gage 2 with the distance of lower limit 11
The distance between with lower baffle plate 5, and spring 6, when extending naturally, lower baffle plate 5 is inconsistent with lower limit 11, and metering hole 12 is by lower limit
Position 11 blocks.After sampling is finished, spring 6 extends naturally, and lower baffle plate 5 is inconsistent with lower limit 11, the metering hole 12 on lower baffle plate 5
Blocked by lower limit 11, device is still sealed, the passage of crude oil will not be stolen to lawless person.
Further, the diameter of the overhead gage 2 and lower baffle plate 5 is identical with the internal diameter of body 4, and overhead gage 2 and lower baffle plate 5
Edge it is curved.It is easy to whole slide, reduces friction.
Positioned at the length of the length more than the right-hand member of lower baffle plate 5 of the left end of lower baffle plate 5 on the connecting rod 3, this ensures that lower baffle plate 5
Overhead gage 2 is not contacted with lower limit 11 when reaching end cap, and the metering hole 12 on overhead gage 2 is not blocked, and can now continue to adopt
Sample, in addition, one end of the connecting spring 6 of connecting rod 3 is within the groove of end cap 8 all the time, such connecting rod 3 is just always automatically along center
Line is moved back and forth, it is ensured that operation.
Embodiment 3：
Dismounting for the ease of device is overhauled, on the basis of embodiment 2, as shown in figure 1, the end cap 8 leads to body 4
Cross screw thread to be connected, and sealing ring 7 is provided between end cap 8 and body 4, it is ensured that sealing.
Pressure port 13, and position of the pressure port 13 between lower limit 11 and end cap 8 are additionally provided with the inwall of the body 4
Put, the pressure port 13 is provided with valve and pressure gauge.So facilitate the pressure measured in body 4, it is to avoid accident, and it is described
Pressure port 13 is located at the place near lower limit 11, it is ensured that measurement be the left side of lower baffle plate 5 pressure.
Described sample tap 10 is located near the place of end cap 8, and oil sample is pushed mainly by lower baffle plate 5 and flowed out, near end cap 8
The amount of sampling is maximum.
Exemplified as above is only for example, not constituting to protection domain of the present utility model to of the present utility model
Limitation, every design same or analogous with the utility model is belonged within protection domain of the present utility model.
Claims (7)
1. a kind of adaptive throttling guard against theft oil well head sampling apparatus, it is characterised in that：Including body（4）, body（4）For hollow
Cylinder, body（4）Inwall is provided with upper limit（1）And lower limit（11）, body（4）One end is connected with end cap（8）, the end
Lid（8）Insertion body（4）Inside, and end cap（8）The inner is provided with groove, and the groove is built with spring（6）, body（4）Inside sets
There is connecting rod（3）, connecting rod（3）One end is provided with overhead gage（2）, overhead gage（2）Positioned at upper limit（1）And lower limit（11）Between, even
Bar（3）The other end and spring（6）Connection, and in end cap（8）Groove within, connecting rod（3）On be additionally provided with lower baffle plate（5）, under
Baffle plate（5）Positioned at lower limit（11）And end cap（8）Between, the overhead gage（2）And lower baffle plate（5）On be all provided with restricted orifice
（12）, the body（4）On be additionally provided with sample tap（10）, and sample tap（10）It is provided with sampling valve（9）.
2. adaptive throttling guard against theft oil well head sampling apparatus as claimed in claim 1, it is characterised in that：Described upper limit
（1）With lower limit（11）Distance be more than overhead gage（2）With lower baffle plate（5）The distance between, and spring（6）When extending naturally,
Lower baffle plate（5）With lower limit（11）It is inconsistent, lower baffle plate（5）On metering hole（12）By lower limit（11）Closure.
3. adaptive throttling guard against theft oil well head sampling apparatus as claimed in claim 1, it is characterised in that：The overhead gage（2）
And lower baffle plate（5）Diameter and body（4）Internal diameter is identical, and overhead gage（2）And lower baffle plate（5）Edge it is curved.
4. adaptive throttling guard against theft oil well head sampling apparatus as claimed in claim 1, it is characterised in that：The connecting rod（3）On
Positioned at lower baffle plate（5）The length of left end is more than lower baffle plate（5）The length of right-hand member, and connecting rod（3）Connecting spring（6）One end all the time
In end cap（8）Groove within.
5. adaptive throttling guard against theft oil well head sampling apparatus as claimed in claim 1, it is characterised in that：The end cap（8）With
Body（4）It is connected by screw thread, and end cap（8）With body（4）Between be provided with sealing ring（7）.
6. adaptive throttling guard against theft oil well head sampling apparatus as claimed in claim 1, it is characterised in that：The body（4）'s
Pressure port is additionally provided with inwall（13）, and pressure port（13）In lower limit（11）With end cap（8）Between position, the pressure port
（13）It is provided with valve and pressure gauge.
7. adaptive throttling guard against theft oil well head sampling apparatus as claimed in claim 6, it is characterised in that：Described sample tap
（10）Positioned near end cap（8）Place, the pressure port（13）It is located near lower limit（11）Place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153353.6U CN206220960U (en) | 2016-10-31 | 2016-10-31 | Self-adaptive current-limiting anti-theft oil wellhead sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153353.6U CN206220960U (en) | 2016-10-31 | 2016-10-31 | Self-adaptive current-limiting anti-theft oil wellhead sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206220960U true CN206220960U (en) | 2017-06-06 |
Family
ID=58788896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621153353.6U Active CN206220960U (en) | 2016-10-31 | 2016-10-31 | Self-adaptive current-limiting anti-theft oil wellhead sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206220960U (en) |
-
2016
- 2016-10-31 CN CN201621153353.6U patent/CN206220960U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |