CN103528855B - High-low pressure enclosed sampling gives sample device - Google Patents
High-low pressure enclosed sampling gives sample device Download PDFInfo
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- CN103528855B CN103528855B CN201210227357.4A CN201210227357A CN103528855B CN 103528855 B CN103528855 B CN 103528855B CN 201210227357 A CN201210227357 A CN 201210227357A CN 103528855 B CN103528855 B CN 103528855B
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- valve
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- water sample
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Abstract
High-low pressure enclosed sampling gives sample device.A kind of high pressure water sample by sampling is converted into the device that low voltage stabilizing samples and stores and export.Suitable for each oil field, environmental monitoring, chemical industry, medicine, using or laboratory, the laboratory with liquid relevant speciality such as analytical chemistry.
Description
Technical field:It is widely used in the water analysis hilllock of the oil recovery institute in 1. each oil field.2. exploration and development research
Laboratory's water analysis hilllock of institute.Central laboratory of ③Ge oil recovery factories water analysis hilllock.4. the laboratory of each multi-purpose station in oil recovery factory.
5. the laboratory of oil recovery factory's water-injection station.The exploitation of ⑥Ge oil universities and colleges is the laboratory of petroleum production engineering specialty.The environment of ⑦Ge universities and colleges
Monitoring, chemical industry, medicine, using or laboratory, the laboratory with liquid relevant speciality such as analytical chemistry.
Background technology:
Many oil field institutes and chemical enterprise universities and colleges, it is necessary to accomplish to completely cut off air containment in the experiment of some water quality tests
Sample and to sample, to ensure in water sample such as H2S、CO2, the gaseous matter such as dissolved oxygen the authenticity without leakage and its concentration, and prevent
Only Fe2+、Cl-Etc. water-soluble ion and the oxidative deformation of other impurities, the complete primitiveness and follow-up important reality for keeping water sample are reached
Test the authenticity of effect.If not up to the effect above, (water sample of analysis instructs reinjected water to cause the compatibility of oil field reinjection water
Do not occur to chemically react and prevent formation blockage with stratum) mistake of mistake and the important experiment of follow-up oil field development series, give
Crude output causes huge loss (often from several necessarily to nearly 10,000,000,000 yuan/year).Therefore oxygen barrier enclosed sampling (water sample) storage
And the effect quality to sample this link is directly influenced and entirely whether tested successfully.High-low pressure enclosed sampling is to sample device should
The development & production to such situation, its requirement is to realize that live high pressure water sample switchs to the basis of low voltage stabilizing filtering and sampling
On.(filtration in-situ and high pressure turn low voltage stabilizing sampler detailed technology background and refer to patent《The special fast filtering of flow field
Device》, Patent No. 200610019608.4, the enclosed oxygen isolation sampling that this patent is related to refers to take suspension, and this patent is signified
Enclosed oxygen isolation sampling refer to water sampling).Can also be stored 28 days, and export (i.e. to sample, can also claim supply liquid-like
Product, fluid sample is usually water sample), the complete enclosed oxygen isolation of above-mentioned overall process is reached, more meet oil field water process until injection well
Under true flow actual conditions, can more realisticly instruct oil-field flooding, and enclosed sampling is faced to sample field at present
Problem:
1. during water sampling water sample easily with the exposure oxygen problem of air contact;
2. water sample is difficult the problem of sealed storage after water sampling;
3. the problem for easily exposing oxygen with air contact during (water sample) sample to (to be desirable to realize shift water under enclosed oxygen isolation state
Sample).
From Patent No. 200610019608.4《Flow field special-purpose fast filter》(the inverse of page 8 in specification
2nd the 3rd section of page-the 9 of row) it is known, the connected mode of the low voltage stabilizing sampler of high pressure turn, effect, concrete structure are:High pressure is turned low
Voltage stabilizing sampler is connected with high pressure drainage female joint, and its effect is to take out the pressure flow body enclosed oxygen isolation in every profession and trade flow
And stablize the pressure 0.14Mpa for flowing out, the Front-end Design that its Front-end Design has the union with handle, union has with sealing ring
Flow guiding head, rotates union, and flow guiding head enters endoporus bright and clean in high pressure drainage female joint, and the valve for opening sample tap will can flow
Highly pressurised liquid in journey imports above-mentioned sampler.
The Implement Core that high pressure turns low voltage stabilizing sampler is dexterously to be used in series 2 gas cylinder regulators.Each decompression
Device is identical with the gas cylinder regulator that existing market is sold, its effect be first pressure reducer by the pressure 0.25 in fluid~
20Mpa is kept to 0.2~0.4Mpa of mesolow, and the effect of second pressure reducer is that mesolow is depressurized and stablized in 0.14Mpa.Institute
Unlike second pressure reducer external form and input and output pressure and first difference and much smaller;First pressure reducer goes out
Mouth is connected with the import of second pressure reducer.It is to set up the outlet pressure of each pressure reducer that the design and implementation done are improved
Afterwards, it is with screw that outlet pressure regulation cock is locked with respective outlet (output) pressure of fixation.
The content of the invention:
The technical problem to be solved:It is closed that the present invention provides a kind of high-low pressure to overcome above-mentioned 3 problems and defect
Sample and give sample device, it is fully solved following technical problem:1. solve the problems, such as sampling when water sample easily with the exposure oxygen of air contact;②
Water sample is difficult sealed storage after solving the problems, such as sampling;3. solve the problems, such as that easy exposure oxygen during to sample with air contact (is desirable to reality
Water sample is shifted under existing enclosed oxygen isolation state).
The technical scheme that the technical problem of solution is used:
(1) constitute:This instrument it is main by high pressure turn low voltage stabilizing sampler, inlet valve, nitrogen valve, hopper, outlet valve,
The critical pieces such as pressure vacuum gauge are constituted.
(2) principle:Vacuumized with vavuum pump and pump air in hopper, and it is defeated with the nitrogen force feed water sample in nitrogen cylinder
Go out to sample, reach purpose of the whole enclosed sampling to sample.
(3) technical solution:
High pressure water sample at sampling is converted into low voltage stabilizing and stores and export by high-low pressure enclosed sampling to sample device, comprising high pressure
Turn low voltage stabilizing sampler, outlet valve, nitrogen valve, hopper, pressure vacuum gauge, live oxygen barrier enclosed sampling storage water sample is up to 28
My god, and chemically examined to sample or other treatment etc. other experiment device.
First with vavuum pump to vacuumizing, by high pressure turn low voltage stabilizing sampler high pressure water sample is switched into low voltage stabilizing after by
Filter is filtered and sampled and is stored in hopper, and whole process reaches enclosed oxygen isolation sampling, and complete obturation effect can reach 28 days, then
Outlet valve and subsequent experimental device are connected, opening nitrogen valve makes nitrogen in nitrogen cylinder be power force feed water sample to other experimental provisions
Follow-up test is inside carried out, whole process reaches enclosed oxygen isolation to sample.
The technical solution adopted for the present invention to solve the technical problems is:
1. hopper terminal valve is closed, is vacuumized hopper by vavuum pump, turning low voltage stabilizing with high pressure takes
Sample device enclosed oxygen isolation formula from live pressure flow journey takes out water sample;
2. the water sample for enclosed oxygen isolation being taken out is sampled with enclosed oxygen isolation store again, and oxygen barrier storage is 28 days as long as;
3. push water sample finally by nitrogen pressure is carried out to sample with voltage regulation way.
Beneficial effect:Hopper is vacuumized with vavuum pump, turning low voltage stabilizing sampler by high pressure switchs to high pressure water sample
In hopper, whole process reaches and turns pressure enclosed oxygen isolation sampling sealed storage after low voltage stabilizing;Hopper is by auto-controlling valve for water level control
Pressing pressure, complete obturation effect can reach 28 days;In with the nitrogen pressure of nitrogen cylinder as power force feed water sample to other experimental provisions
Follow-up test is carried out, whole process reaches enclosed oxygen isolation to sample.To ensure in water sample such as H2S、CO2, the gaseous matter such as dissolved oxygen without leakage
The authenticity of its concentration of becoming estranged, and prevent Fe2+、Cl-Etc. water-soluble ion and the oxidative deformation of other impurities, reach and keep water sample
The authenticity of complete primitiveness and follow-up important experiment effect.If not up to the effect above, can cause the compatibility of oil field reinjection water
Property (water sample of analysis instructs reinjected water not occur to chemically react and prevent formation blockage with stratum) mistake and follow-up oil field open
The mistake for sending out important experiment serial, huge loss (often from several ten million to nearly 10,000,000,000 yuan/year) is caused to crude output.
Brief description of the drawings:
Accompanying drawing is flow chart illustration, wherein each unit number is:High pressure turns low voltage stabilizing sampler (1), inlet valve (2), nitrogen
Air valve (3), hopper (4), outlet valve (5), pressure vacuum gauge (6), vavuum pump (7), nitrogen cylinder (8), subsequent experimental device
(9), filtering head (10).
Specific embodiment:
(1) constitute:This instrument is main to turn low voltage stabilizing sampler (1), inlet valve (2), nitrogen valve (3), hopper by high pressure
(4), the critical piece such as outlet valve (5), pressure vacuum gauge (6) is constituted.
(2) principle:Vacuumized with vavuum pump (7) and pump hopper (4) interior air, and with the nitrogen force feed of nitrogen cylinder (8)
Water sample is exported to sample, reaches purpose of the whole enclosed sampling to sample.
(3) technical solution:
High pressure water sample at sampling is converted into low voltage stabilizing and stores and export by high-low pressure enclosed sampling to sample device, comprising high pressure
Turn low voltage stabilizing sampler (1), inlet valve (2), nitrogen valve (3), hopper (4), outlet valve (5), pressure vacuum gauge (6), scene
Oxygen barrier enclosed sampling storage water sample is up to 28 days, and to sample chemically examine etc. the device of other treatment.
As shown in drawings, the specific annexation of the above-mentioned each part that can unambiguously determine is:High pressure is turned
Low voltage stabilizing sampler (1), inlet valve (2), filtering head (10), hopper (4), outlet valve (5), pressure vacuum gauge (6), follow-up reality
Two valves of experiment device (9) front end, subsequent experimental device (9) are sequentially connected in series, and in the low voltage stabilizing sampler (1) of high pressure turn, enter
Nitrogen valve (3) is connected in parallel between mouth valve (2), then nitrogen cylinder (8) is connected in series with nitrogen valve (3), in subsequent experimental device
(9) vavuum pump (7) is connected in parallel again between two valves of front end.
After being vacuumized to hopper (4) with vavuum pump (7) first, low voltage stabilizing sampler (1) is turned by water under high pressure by high pressure
Sample switchs to filter and sample through filtering head (10) after low voltage stabilizing be stored in hopper (4), and whole process reaches enclosed oxygen isolation sampling, complete
Totally-enclosed effect can reach 28 days.
Outlet valve (5) and subsequent experimental device are then turn on, opening nitrogen valve (3) makes nitrogen cylinder (8) interior nitrogen be power
Follow-up test is carried out in force feed water sample to other subsequent experimental devices (9), whole process reaches enclosed oxygen isolation to sample, reaches holding water sample
Complete primitiveness and subsequent authentication experiment effect authenticity, be that basis is done in follow-up a series of important chemical examination.
Claims (1)
1. a kind of high pressure water sample by sampling is converted into low voltage stabilizing water sample and the device for storing and exporting, and turns low steady comprising high pressure
Pressure sampler (1), inlet valve (2), nitrogen valve (3), hopper (4), outlet valve (5), pressure vacuum gauge (6), vavuum pump (7),
Nitrogen cylinder (8), subsequent experimental device (9), filtering head (10), it is characterized in that:
A. high pressure is turned into low voltage stabilizing sampler (1), inlet valve (2), filtering head (10), hopper (4), outlet valve (5), vacuum pressure
Power table (6), two valves of subsequent experimental device (9) front end, subsequent experimental device (9) are sequentially connected in series, and turn low steady in high pressure
Nitrogen valve (3) is connected in parallel between pressure sampler (1), inlet valve (2), then nitrogen cylinder (8) is connected in series with nitrogen valve (3),
It is connected in parallel vavuum pump (7) again between two valves of subsequent experimental device (9) front end, opens outlet valve (5) vavuum pump (7)
Hopper (4) is vacuumized, turning sealed storage after high pressure water sample is switched to low voltage stabilizing by low voltage stabilizing sampler (1) by high pressure is counting
In graduated cylinder (4), whole process reaches enclosed oxygen isolation sampling;
B. outlet valve (5) and inlet valve (2) are closed after sampling, water sample stores complete obturation effect and can reach 28 days;
C. outlet valve (5) and subsequent experimental device (9) are connected, opening nitrogen valve (3) makes nitrogen cylinder (8) interior nitrogen be power force feed
Follow-up test is carried out in water sample to other experimental provisions, whole process reaches enclosed oxygen isolation to sample.
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CN201210227357.4A CN103528855B (en) | 2012-07-03 | 2012-07-03 | High-low pressure enclosed sampling gives sample device |
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CN201210227357.4A CN103528855B (en) | 2012-07-03 | 2012-07-03 | High-low pressure enclosed sampling gives sample device |
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CN103528855A CN103528855A (en) | 2014-01-22 |
CN103528855B true CN103528855B (en) | 2017-06-30 |
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CN201210227357.4A Expired - Fee Related CN103528855B (en) | 2012-07-03 | 2012-07-03 | High-low pressure enclosed sampling gives sample device |
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CN104155147B (en) * | 2014-08-26 | 2017-09-01 | 西安石油大学 | A kind of oil field development system dielectric corrosion experiment sampling container and method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU94025089A (en) * | 1994-07-04 | 1996-05-20 | Р.Р. Вальшин | Sampler of fluids from pipe-line |
CN101104122A (en) * | 2006-07-12 | 2008-01-16 | 刘勇 | Flow field special-purpose fast filter |
-
2012
- 2012-07-03 CN CN201210227357.4A patent/CN103528855B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU94025089A (en) * | 1994-07-04 | 1996-05-20 | Р.Р. Вальшин | Sampler of fluids from pipe-line |
CN101104122A (en) * | 2006-07-12 | 2008-01-16 | 刘勇 | Flow field special-purpose fast filter |
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