CN204536063U - Well head gas sampling bag - Google Patents
Well head gas sampling bag Download PDFInfo
- Publication number
- CN204536063U CN204536063U CN201520137809.9U CN201520137809U CN204536063U CN 204536063 U CN204536063 U CN 204536063U CN 201520137809 U CN201520137809 U CN 201520137809U CN 204536063 U CN204536063 U CN 204536063U
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- CN
- China
- Prior art keywords
- air valve
- bag
- well head
- sealing bag
- valve
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- Expired - Fee Related
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- 238000005070 sampling Methods 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 77
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000004064 dysfunction Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
Abstract
The utility model provides a kind of well head gas sampling bag, and it comprises: sealing bag, the first air valve, the second air valve; Described sealing bag has the inner chamber being installed in gas sampled, and described first air valve, the second air valve are all connected to described sealing bag and are all communicated with the bore seal of described sealing bag.By arranging two air valves on sealing bag, i.e. the first air valve and the second air valve, realizes air inlet and goes out being separated of airway dysfunction in exhaust process, compared with the existing sampling bag only arranging an air valve, gas displacement is more prone to.
Description
Technical field
The utility model relates to a kind of device for oil gas field production technical field, especially a kind of sampling apparatus of wellhead gas sample.
Background technology
In oil gas field production run, need to gather gas sample from well head and carry out component analysis, producing for oil gas field provides foundation.Gas sampling device in the market has certain limitation, in well head sampling process, needs repeatedly emptying, complex operation, and the gas of discharging has certain injury to operator.Structurally there is the defect of design in existing sampler bag, namely during sampling, gas displacement is difficult, and gaseous sample is also easily polluted in analytic process.
Utility model content
The purpose of this utility model is to provide a kind of well head gas sampling bag, to overcome the deficiency that above-mentioned prior art exists.
For this reason, the utility model proposes a kind of well head gas sampling bag, it comprises:
Sealing bag, the first air valve, the second air valve; Described sealing bag has the inner chamber being installed in gas sampled, and described first air valve, the second air valve are all connected to described sealing bag and are all communicated with the bore seal of described sealing bag.
Well head gas sampling bag described above, wherein, described sealing bag is also provided with a sampling cap, any surface of described sealing bag is provided with the through hole with described inner space, described sampling cap seal closure is located on described through hole, and is provided with the elastomeric pad that can open and close described through hole in described sampling cap.
Well head gas sampling bag described above, wherein, described sealing bag is square or rectangular, and the upper and lower surface sealing compacting at its at least one angle place, forms compacting angle.
Well head gas sampling bag described above, wherein, the upper and lower surface sealing compacting at any two diagonal angle places of described sealing bag, forms two compacting angles, and described sealing bag inside forms fusiformis space.
Well head gas sampling bag described above, wherein, the upper and lower surface sealing compacting of the corner of described sealing bag, forms four compacting angles, and described sealing bag inside forms fusiformis space.
Well head gas sampling bag described above, wherein, at least one described compacting angle place is equipped with a hanging hole.
Well head gas sampling bag described above, wherein, is symmetrical arranged described first air valve, the second air valve at the opposite end near described sealing bag.
Well head gas sampling bag described above, wherein, described first air valve, the second air valve all adopt retaining valve or straight-bar valve.
Well head gas sampling bag described above, wherein, described first air valve is gas admittance valve, the second air valve is vent valve, or described first air valve be vent valve, the second air valve is gas admittance valve.
The well head gas sampling bag that the utility model proposes, its feature and advantage are:
By arranging two air valves on sealing bag, i.e. the first air valve and the second air valve, realizes air inlet and goes out being separated of airway dysfunction in exhaust process, compared with the existing sampling bag only arranging an air valve, gas displacement is more prone to.
In addition, at the elastomeric pad that sampling cap inside is arranged, can prevent ambient atmos from entering in sealing bag, ensure that gaseous sample wherein can not be polluted, guarantee the authenticity of sampling, improve the accuracy of data analysis.
Well head gas sampling bag of the present utility model also has the advantages such as structure is simple, easy to operate.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of an embodiment of the present utility model;
Fig. 3 is the vertical view of another embodiment of the present utility model.
Reference numeral illustrates:
1 sealing bag
2 first air valves
3 second air valves
4 sampling caps
5 compacting angles
6 hanging holes
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model be described:
As shown in Figure 1, be a kind of well head gas sampling bag that the utility model proposes, it comprises: sealing bag 1, first air valve 2, second air valve 3; Sealing bag 1 has the inner chamber being installed in gas sampled, and the first air valve 2, second air valve 3 is all connected to sealing bag 1, and is all communicated with the bore seal of sealing bag 1.First air valve 2, second air valve 3 is all connected on sealing bag 1 by modes such as bolt connections, and the utility model does not limit this.Below for the first air valve 2 as gas admittance valve, the second air valve 3 is described as air outlet valve.Before use well head gas sampling bag of the present utility model gets gas sample, need first by the residual gas emptying of sealing bag 1 inside, the one end being about to sampling flexible pipe is connected to the sample connection of well head, the other end of sampling flexible pipe is connected to the first air valve 2, then exhaust hose is connected to the second air valve 3; Then, open the first air valve 2, second air valve 3, make the gas of well head enter sealing bag 1 inner chamber via sampling flexible pipe, the first air valve 2, then enter exhaust hose from the second air valve 3, make the residual gas in sealing bag 1 drain into the leeward of operator by exhaust hose, avoid personal injury; Continue for some time, until the residual gas of sealing bag 1 inside is all discharged.By arranging two air valves on sealing bag 1, namely the first air valve 2 and the second air valve 3, realizes air inlet and goes out being separated of airway dysfunction, compared with the existing sampling bag only arranging an air valve, gas displacement being more prone in exhaust process.
Wherein, when the first air valve 2 is gas admittance valve, the second air valve 3 is vent valve; When first air valve 2 is vent valve, the second air valve 3 is gas admittance valve.
Further, sealing bag 1 is also provided with a sampling cap 4, any surface of sealing bag 1 is provided with and the through hole sealing bag 1 inner space, and sampling cap 4 seal closure is located on through hole, and is provided with the elastomeric pad of energy open/close through hole in sampling cap 4.Elastomeric pad can be silicagel pad etc., and the utility model does not limit this.When to gas sample experiment Analysis in well head gas sampling bag of the present utility model, the instruments such as syringe needle can be used to push the elastomeric pad of sampling cap 4 inside open, thus the gas sample in sealing bag 1 is extracted.At the elastomeric pad that sampling cap 4 inside is arranged, can prevent ambient atmos from entering in sealing bag 1, ensure that gaseous sample is not wherein polluted, guarantee the authenticity of sampling, improve the accuracy of data analysis.The structure of sampling cap 4 can adopt prior art.
In a feasible embodiment, sealing bag 1 be square or rectangular, the upper and lower surface sealing compacting at its at least one angle place, formation compacting angle 5.
Preferably, as shown in Figure 2, the upper and lower surface sealing compacting at any two diagonal angle places of sealing bag 1, forms two compacting angles 5, and sealing bag 1 inside forms fusiformis space.Such structure meets the design of gas flow line, can reduce gas displacement dead angle, is conducive to the residual gas of sealing bag 1 inside to complete emptying.
In the embodiment that another is feasible, as shown in Figure 3, the upper and lower surface sealing compacting of the corner of sealing bag 1, forms four compacting angles 5, and sealing bag 1 inside forms fusiformis space.Such structure meets the design of gas flow line, can reduce gas displacement dead angle, is conducive to the residual gas of sealing bag 1 inside to complete emptying.
Further, at least one compacting angle 5 place is equipped with a hanging hole 6.When using well head gas sampling bag of the present utility model, sealing bag 1 hangs up easy to use by hanging hole 6 by operator, is also easy to carry in routine duties meanwhile.
In the embodiment that another is feasible, be symmetrical arranged the first air valve 2, second air valve 3 at the opposite end near sealing bag 1.Wherein, the first air valve 2, second air valve 3 all adopts retaining valve or straight-bar valve.When being exhausted before use well head gas sampling bag of the present utility model gets gas sample, be arranged on the first air valve 2, second air valve 3 of sealing bag 1 opposite end, the gas being conducive to well head enters from one end of sealing bag 1, discharged by the other end of sealing bag 1 again, compared with prior art, can make the residual gas of sealing bag 1 inside more fully, fast and be discharged swimmingly.
Further illustrate the course of work of well head gas sampling bag of the present utility model below:
Before use well head gas sampling bag of the present utility model gets gas sample, need first by the residual gas emptying of sealing bag 1 inside, the one end being about to sampling flexible pipe is connected to the sample connection of well head, the other end of sampling flexible pipe is connected to the first air valve 2 (or second air valve 3), then exhaust hose is connected to the second air valve 3 (or first air valve 2); Then, open the first air valve 2, second air valve 3, the gas of well head is made to enter sealing bag 1 inner chamber via sampling flexible pipe, the first air valve 2 (or second air valve 3), exhaust hose is entered again from the second air valve 3 (or first air valve 2), make the residual gas in sealing bag 1 drain into the leeward of operator by exhaust hose, avoid personal injury; Continue for some time, until the residual gas of sealing bag 1 inside is all discharged, then close the second air valve 3 (or first air valve 2), complete when sealing bag 1 and being full of and get gas sample process.When to gas sample experiment Analysis in well head gas sampling bag of the present utility model, the instruments such as syringe needle can be used to push the elastomeric pad of sampling cap 4 inside open, thus the gas sample in sealing bag 1 is extracted.
Well head gas sampling bag of the present utility model, by arranging two air valves on sealing bag 1, namely the first air valve 2 and the second air valve 3, realizes air inlet and goes out being separated of airway dysfunction in exhaust process, compared with the existing sampling bag that an air valve is only set, gas displacement is more prone to.At the elastomeric pad that sampling cap 4 inside is arranged, can prevent ambient atmos from entering in sealing bag 1, ensure that gaseous sample is not wherein polluted, guarantee the authenticity of sampling, improve the accuracy of data analysis.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each ingredient of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristic described in instructions of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model covers other relevant with this case utility model point in the nature of things and combines and embody rule.
Claims (9)
1. a well head gas sampling bag, is characterized in that, described well head gas sampling bag comprises: sealing bag, the first air valve, the second air valve; Described sealing bag has the inner chamber being installed in gas sampled, and described first air valve, the second air valve are all connected to described sealing bag and are all communicated with the bore seal of described sealing bag.
2. well head gas sampling bag as claimed in claim 1, it is characterized in that, described sealing bag is also provided with a sampling cap, the any surface of described sealing bag is provided with the through hole with described inner space, described sampling cap seal closure is located on described through hole, and is provided with the elastomeric pad that can open and close described through hole in described sampling cap.
3. well head gas sampling bag as claimed in claim 1, it is characterized in that, described sealing bag is square or rectangular, and the upper and lower surface sealing compacting at its at least one angle place, forms compacting angle.
4. well head gas sampling bag as claimed in claim 3, is characterized in that, the upper and lower surface sealing compacting at any two diagonal angle places of described sealing bag, forms two compacting angles, and described sealing bag inside forms fusiformis space.
5. well head gas sampling bag as claimed in claim 3, is characterized in that, the upper and lower surface sealing compacting of the corner of described sealing bag, forms four compacting angles, and described sealing bag inside forms fusiformis space.
6. the well head gas sampling bag as described in any one of claim 3 to 5, is characterized in that, at least one described compacting angle place is equipped with a hanging hole.
7. well head gas sampling bag as claimed in claim 1, is characterized in that, is symmetrical arranged described first air valve, the second air valve at the opposite end near described sealing bag.
8. the well head gas sampling bag as described in any one of claim 1 to 5, is characterized in that, described first air valve, the second air valve all adopt retaining valve or straight-bar valve.
9. the well head gas sampling bag as described in any one of claim 1 to 5, is characterized in that, described first air valve is gas admittance valve, the second air valve is vent valve, or described first air valve be vent valve, the second air valve is gas admittance valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520137809.9U CN204536063U (en) | 2015-03-11 | 2015-03-11 | Well head gas sampling bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520137809.9U CN204536063U (en) | 2015-03-11 | 2015-03-11 | Well head gas sampling bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204536063U true CN204536063U (en) | 2015-08-05 |
Family
ID=53750052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520137809.9U Expired - Fee Related CN204536063U (en) | 2015-03-11 | 2015-03-11 | Well head gas sampling bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204536063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067389A (en) * | 2015-08-13 | 2015-11-18 | 中国石油化工股份有限公司 | Airtight sampling bottle for gas |
-
2015
- 2015-03-11 CN CN201520137809.9U patent/CN204536063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067389A (en) * | 2015-08-13 | 2015-11-18 | 中国石油化工股份有限公司 | Airtight sampling bottle for gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 |