CN102866041B - Oil-water gas online sampling system - Google Patents
Oil-water gas online sampling system Download PDFInfo
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- CN102866041B CN102866041B CN201210333396.2A CN201210333396A CN102866041B CN 102866041 B CN102866041 B CN 102866041B CN 201210333396 A CN201210333396 A CN 201210333396A CN 102866041 B CN102866041 B CN 102866041B
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Abstract
The invention provides an oil-water gas online sampling system, which is used for solving the problems in the prior art that the field sampling cannot reflect average effective truth value of each component factually. The oil-water gas online sampling system comprises a blending device, a sampling device and a storage device, wherein the blending device is connected onto a crude oil pipeline and used for blending and mixing substances inside the crude oil pipeline, the sampling device is connected onto the crude oil pipeline, the sampling device is arranged on a downstream position of the blending device and used for sampling the substances blended and mixed inside the crude oil pipeline, and the storage device is connected to the downstream of the sampling device through a conveying pipeline and used for storing samples taken by the sampling device. The sampling system is simple in structure, convenient to operate and capable of factually reflecting the average effective truth value of each component in crude oil and improving the accuracy of detection results.
Description
Technical field
The present invention relates to technical field of oil field equipment, refer to a kind of oil-water-gas on-line period system especially.
Background technology
Along with socioeconomic development, the oil field of countries in the world has entered the intermediary and later stages of exploitation, for so same China, in China, water cut in Produced Liquid reaches 60 ~ 80%, some oil fields even up to more than 90%, therefore, in oil extraction process, the measurement of each component concentration of Produced Liquid is seemed particularly important.
At present, measure oil in individual well, water, the method of each component concentration of gas is measured by sampling, sampling usually adopts timing from individual well export pipeline, carry out the method for disposable sampling censorship, although this method is simple to operate, but there is certain defect: truly can not reflect oil in export pipeline, water, the average effective true value of gas, and result is single, other parameters of oil well during sampling can not be embodied, such as liquid level, pressure, temperature and system effectiveness etc., and this several parameter is to the oil in Produced Liquid, water, Gas content ratio, and to the suspension in Produced Liquid, petroclastic rock, oil particles particle diameter, other solid grain size and content have impact in various degree, submitted sample is finally made to be separated, the distortion of chemical examination numerical value.
And, international petroleum liquid sampling standard ISO 3171:1988 has multiple requirement to petroleum liquid sampling: multiple repairing weld, fully mixing, the sampling of pipeline total cross-section, truly could gather the Oil, Water, Gas in liquid, suspension and the several important indicator of other solid contents like this.Therefore, China needs one comparatively reasonably oil-water-gas on-line period system badly present stage.
Summary of the invention
The present invention proposes a kind of oil-water-gas on-line period system, solves oil field sampling in prior art and truly can not reflect the problem of each component average effective true value.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of oil-water-gas on-line period system, comprise stirring apparatus, sampler and memory storage, described stirring apparatus is connected on untreated oil line for being uniformly mixed by the material in described untreated oil line, described sampler is connected on described untreated oil line, the downstream position that described sampler is positioned at described stirring apparatus samples for the material after being uniformly mixed described untreated oil line, described memory storage is connected to the downstream of described sampler by delivery line, for storing the sample that described sampler takes out.
As the improvement to technique scheme, this oil-water-gas on-line period system also comprises emulsifier unit, described emulsifier unit comprises emulsion tank and is connected to the ultrasonic generator on described emulsion tank, and described emulsion tank is connected between described sampler and described memory storage by delivery line.
Improve as to a step again of technique scheme, this oil-water-gas on-line period system also comprises mixing arrangement, described mixing arrangement comprises mixing tank and is connected to the mixer on described mixing tank, and described mixing tank is connected between described emulsion tank and described memory storage by delivery line.
As one preferred embodiment, described stirring apparatus is stirring motor, and helically cylindricality is held in the stirring stretched in described untreated oil line of described stirring motor.
As one preferred embodiment, described memory storage comprises multiple sample pot, described multiple sample pot is respectively equipped with the storer for storing sample message.
As one preferred embodiment, described multiple sample pot is that aluminum alloy material makes, and the surfaces externally and internally of described sample pot is provided with porcelain coating layer.
As the improvement to technique scheme, this oil-water-gas on-line period system also comprises cleaning device, described cleaning device comprises interconnective cleaning fluid tank and scavenging pump, described scavenging pump is communicated with described emulsion tank by delivery line, described cleaning fluid tank is communicated with described sample pot by delivery line, and described cleaning fluid tank is provided with used wiping solution exhaust valve.
As one preferred embodiment, described ultrasonic generator is connected between described scavenging pump and described emulsion tank.
After have employed technique scheme, the invention has the beneficial effects as follows: first, the material in untreated oil line can be uniformly mixed by arranging stirring apparatus on untreated oil line, for later sampling is ready, make sampling representative; Then, mixed representative material takes out as sample by the sampler being in stirring apparatus downstream position; Finally, the sample taken out is stored in memory storage, for subsequent use for further studying, like this, from individual well export pipeline, carry out the method for disposable sampling censorship compared to timing in prior art, this oil-water-gas on-line period system has higher representativeness, truly can gather indices, truly reflect the average effective true value of each component in untreated oil line, and, utilize this system repeatedly to sample the accuracy that can improve final detection result further.
Owing to being connected to emulsion tank by delivery line between sampler and memory storage, this emulsion tank is connected to ultrasonic generator, first the sample that then sampler takes out enters into emulsion tank, ultrasonic emulsification is there is under the effect of ultrasonic generator, the granular powders such as Oil, Water, Gas contained in emulsification pot liquid are made to be broken into the molecule be evenly distributed, each component is further mixed, improves the accuracy of final detection result.
Owing to being connected to mixing tank by delivery line between emulsion tank and memory storage, then sample is through excusing from death emulsification, in course of conveying, can avoid precipitating, the phenomenon be bonded on delivery line tube wall, authentic and valid to guarantee the sample composition entered in memory storage.
Helically cylindricality is held in the stirring extend in untreated oil line due to stirring motor, material in untreated oil line can not only be uniformly mixed fully, and this stirring end has certain length, the liquid agitation of upper, middle and lower in untreated oil line transversal section can be mixed, make sampling have total cross-section section truly.
Owing to being provided with for storing sample message (such as sample source, time, quality, temperature on multiple sample pot respectively, and oil well condition etc. during sampling) storer, then when carrying out the sample in sample pot being separated chemical examination, equipment can read the data in storer automatically, and be printed as form, thus realize the Automatic Control of sampling, chemical examination, the whole process of generating report forms.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of embodiment of oil-water-gas on-line period system of the present invention;
Fig. 2 is a kind of mounting means of oil-water-gas on-line period system;
Fig. 3 is the another kind of mounting means of oil-water-gas on-line period system;
In figure: 1-untreated oil line; 11-samples box body; 13-pipe collar; 14-cable conduct; 2-stirring apparatus; 21-stirring motor; 22-stirs end; 3-sampler; 31-negative pressure pump; 32-sampling probe; 4-memory storage 41-sample pot; 42-storer; 5-emulsifier unit; 51-emulsion tank; 52-ultrasonic generator; 6-delivery line; 7-mixing arrangement; 71-mixing tank; 72-mixer; 81-electromagnetic dosing pump; 82-retaining valve; Liquid re-injection pipe more than 83-; 9-cleaning device 91-cleaning fluid tank; 92-used wiping solution exhaust valve; 93-scavenging pump.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment:
As shown in Figure 1, for a kind of embodiment of oil-water-gas on-line period system of the present invention, it comprises stirring apparatus 2, sampler 3, emulsifier unit 5, mixing arrangement 7 and memory storage 4, also comprise cleaning device 9 in addition, the ultimate principle of this system is: first stirring apparatus 2 stirs the material in untreated oil line 1, make it mix, then sampler 3 be uniformly mixed from taking-up part in untreated oil line 1 after material, this part material, after emulsifier unit 5 and mixing arrangement 7, finally enters in memory storage 4 and stores as sample.In addition, this system, after using for a long time, can utilize cleaning device 9 to clean, conveniently reuse.
Stirring apparatus 2 in the present embodiment is stirring motor 21, this stirring motor 21 is fixed on untreated oil line 1, it extend into the stirring end 22 helically cylindricality in untreated oil line 1, and the length of this stirring end 22 is close to the internal diameter size of untreated oil line 1, like this, after stirring motor 21 starts, material in untreated oil line 1 can be uniformly mixed by the stirring end 22 of spiral cylindricality while rotation, no matter be positioned on untreated oil line 1 transversal section, in, the material of upper/lower positions all can be uniformly mixed together, thus be that follow-up sampling is ready, make institute's sample thief representative, improve the accuracy of final detection result.
Sampler 3 in the present embodiment is that (negative pressure pump is known technology in the art to negative pressure pump 31, do not repeat them here), negative pressure pump 31 to be fixed on untreated oil line 1 and to be positioned at the downstream position of stirring apparatus 2, negative pressure pump 31 is provided with the sampling probe 32 extend in untreated oil line 1, the length of this sampling probe 32 is equally close to the internal diameter size of untreated oil line 1, like this, can carry out at the inner chamber total cross-section of untreated oil line 1 when sampling, avoid in untreated oil line 1 free, suspension vesicular particle crude oil and bottom sediment thing uneven distribution and accuracy of detection is impacted, and be equivalent to carry out once damming to the material in untreated oil line 1 when sampling, reach oil, water, gas, the well-mixed object of sand.
The emulsion tank 51 that emulsifier unit 5 in the present embodiment comprises 100ml and the ultrasonic generator 52 be connected on emulsion tank 51, emulsion tank 51 is connected to the downstream position of negative pressure pump 31, although the sample that negative pressure pump 31 takes out in untreated oil line 1 have passed through and the step such as to be uniformly mixed and to have pulverized larger crude oil particle, but still is in oil, water, gas free state, the oil vacuole particle of suspension, bubble particles, globule particle can't fully mix, and therefrom extracts a small amount of sample and can't ensure oil in got sample product, water, Gas content is representative, therefore, the sample taken out will carry out the ultrasonic emulsification reaction of 25s in emulsion tank 51, its principle is: ultrasonic generator imports the ultrasound wave of some strength in the sample in emulsion tank 51, the inside surface of emulsion tank 51 can occur that pressurization and decompression produce cavitation effect repeatedly, due to acoustic pressure and thermal effect can be produced when cavitation effect is formed, and uniform stirring can also be played, the effect ground, therefore, utilizes hyperacoustic emulsification, stir, grind effect, oil contained in liquid in emulsion tank 51 can be made, water, gas, sand granular powder is broken into the molecule be evenly distributed, and improves the accuracy of testing result.
The mixing tank 71 that mixing arrangement 7 in the present embodiment comprises 150ml and the mixer 72 be connected on mixing tank 71, this mixing tank 71 is connected to the downstream position of emulsion tank 51 by delivery line 6, delivery line 6 between emulsion tank 51 and mixing tank 71 is provided with electromagnetic dosing pump 81, this electromagnetic dosing pump 81 has meticulous metering regulatory function, be not stressed and the impact of temperature, its effect is taken out and be delivered in mixing tank 71 by the sub-fraction sample through ultrasonic emulsification in emulsion tank 51, and avoid this part sample to precipitate in course of conveying by mixer 72, be bonded in the phenomenon on tube wall, authentic and valid to guarantee every sub-sampling composition.In addition, electromagnetic dosing pump 81 is also connected with a remaining liquid re-injection pipe 83, the end of this remaining liquid re-injection pipe 83 is connected on negative pressure pump 31, for by the sample re-injection after emulsification remaining in emulsion tank 51 in untreated oil line 1, on this remaining liquid re-injection pipe 83, be also provided with a retaining valve 82 simultaneously, reflux in remaining liquid re-injection pipe 83 to prevent sample.
Memory storage 4 in the present embodiment comprises the sample pot 41 (shown in figure is four) of multiple 1000ml, these sample pots 41 are connected to the downstream position of mixing tank 71 in turn by delivery line 6, for storing the sample in mixing tank 71, in addition, these sample pots 41 are all that the aluminum alloy material adopted makes, outside surface being equipped with meticulous radioceramic dope layer within it, is to avoid sample cohesive on surfaces externally and internally on the one hand, and second is be convenient to cleaning.Each sample pot 41 is equipped with storer 42, these storeies 42 can store the source of sample in sample pot 41, time, quality, temperature in real time when sampling, and oil well condition etc. has the information of actual reference during sampling, when carrying out being separated chemical examination to the sample in sample pot 41, equipment can read the data in these storeies 42 automatically, and be printed as form, thus realize the Automatic Control of sampling, chemical examination, the whole process of generating report forms.
Cleaning device 9 in the present embodiment comprises interconnective cleaning fluid tank 91 and scavenging pump 93, wherein, scavenging pump 93 is connected with emulsion tank 51 by delivery line 6, cleaning fluid tank 91 is connected with sample pot 41 by delivery line 6, simultaneously, ultrasonic generator 52 in emulsifier unit 5 is also connected between scavenging pump 93 and emulsion tank 51, like this, after this system works long hours, sampling can be suspended, start scavenging pump 93, cleaning fluid in cleaning fluid tank 91 is circulated along delivery line 6, to negative pressure pump 31, emulsion tank 51, delivery line 6, mixing tank 71 and sample pot 41 clean, and, under the effect of ultrasonic generator 52, loaded ultrasound wave in cleaning fluid, can clean any crude oil sample surface of contact.After repeatedly cleaning, by the used wiping solution exhaust valve 92 be arranged on cleaning fluid tank 91, used wiping solution is discharged.
As shown in Figures 2 and 3, above-mentioned stirring apparatus 2, sampler 3, emulsifier unit 5, mixing arrangement 7, memory storage 4 and cleaning device 9 all unification are arranged in a sampling box body 11, the mounting means of sampling box body 11 during untreated oil line 1 is in horizontality that what Fig. 2 represented is, the mounting means of sampling box body 11 during untreated oil line 1 is in plumbness that what Fig. 3 represented is, two kinds of mounting meanss are all to ensure the convenience of installation and its theftproof performance, and when mounted, sampling box body 11 should be tried one's best near untreated oil line 1, the sampling probe 32 of negative pressure pump 31 is pierced into sample tap and fixes by its one end, box body 11 is fixed on untreated oil line 1 by pipe collar 13 by the other end, in addition, the power lead of this system is buried at underground 600m, voltage is DC24V, its end is stretched into wherein through the bottom of sampling box body 11, also be provided with cable conduct 14 in the outside of power lead to shield.
The course of work of this oil-water-gas on-line period system is:
First, the material in untreated oil line 1 mixes under the beating action stirring end 22, and sampling probe 32 dams sampling once at interval of the 30s time, each sample time 2s, each sampling amount 100ml.
Then, the sample taken out carries out the ultrasonic emulsification of 25s in emulsion tank 51, after ultrasonic emulsification completes, electromagnetic dosing pump 81 quantitative sampling once, each sample time 1s, each sampling amount 4.2ml sends in mixing tank 71, and meanwhile, remaining material is back in untreated oil line 1 through remaining liquid re-injection pipe 83.
Finally, after electromagnetic dosing pump 81 quantitative sampling 30 times, institute's sample thief enters in sample pot 41 and stores.And cleaning device 9 can clean it after system works long hours, be generally clean once for every 15 days.
The design of this sampling system have employed the principle of getting liquid more and sampling less, gets liquid 100ml at every turn and after being uniformly mixed, recycling ultrasonic emulsification reaching water, oil, gas and fully mix, then sample 4.2ml, be equivalent to 1/25 capacity getting liquid measure in crude oil pipeline.If press individual well Liquid output every day 5 side to calculate, Liquid output per hour should be about 210 liters.In view of above-mentioned data, sampling system often samples and stores 1000ml sample and equal oil well in 2 hours and produce 420 liters of crude oil, and the design of this sampling system combines domestic and international advanced technology and electronic devices and components, develops ultrasonic emulsification, antiscale system.Ultrasonic emulsification, antiscale system primarily of sampling line, ultrasonic-frequency power supply and transducer three part composition, connected by cable between three.Below sampling line, transducer is housed, transducer seal is in stainless steel box, and the high frequency current transitions that power supply is sent here by transducer is mechanical wave, reaches the effect of emulsification, pulverizing, grinding, good antiscale property.And sampling line adopts special stainless steel argon protection welding to ensure absolutely not to leak, transducer adopts zirconic acid titanium lead piezoelectric ceramics sheet and metallic briquette to synthesize the head that shakes, and has the advantages such as efficiency is high, the life-span long, not fragile.
The technical indicator of this oil-water-gas on-line period system is as follows:
(1) sampling per hour 120 times.(2) each sampling amount 100ml.
(3) each collection sample 4.17ml.(4) mixed-precision 99.9%.
(5) supplying DC 24V > 1.5A.(6) sample extraction amount 100ml-1000ml.
(7) the sample data resting period can reach 10 years.
In addition, the design of this oil-water-gas on-line period system also have references to the regulation to oil-containing, suspension and grain diameter thereof in water in the industry standard " petroclastic rock reservoir water water quality fertilizer index SY/T-5329-94 " of nineteen ninety-five China National Petroleum Corporation's promulgation except reference " international petroleum liquid sampling standard ISO 3171:1988 ".
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an oil-water-gas on-line period system, is characterized in that: comprise
Stirring apparatus, described stirring apparatus is connected on untreated oil line for being uniformly mixed by the material in described untreated oil line;
Sampler, described sampler is connected on described untreated oil line, and the downstream position that described sampler is positioned at described stirring apparatus samples for the material after being uniformly mixed described untreated oil line;
Memory storage, described memory storage is connected to the downstream of described sampler by delivery line, for storing the sample that described sampler takes out;
Emulsifier unit, described emulsifier unit comprises emulsion tank and is connected to the ultrasonic generator on described emulsion tank, and described emulsion tank is connected between described sampler and described memory storage by delivery line;
Mixing arrangement, described mixing arrangement comprises mixing tank and is connected to the mixer on described mixing tank, and described mixing tank is connected between described emulsion tank and described memory storage by delivery line;
Be provided with electromagnetic dosing pump between described emulsion tank and described mixing tank, described electromagnetic dosing pump is connected with for by liquid re-injection pipe more than the moieties re-injection in described emulsion tank is to untreated oil line, described remaining liquid re-injection pipe is provided with retaining valve.
2. oil-water-gas on-line period system as claimed in claim 1, it is characterized in that: described stirring apparatus is stirring motor, helically cylindricality is held in the stirring stretched in described untreated oil line of described stirring motor.
3. oil-water-gas on-line period system as claimed in claim 1, is characterized in that: described memory storage comprises multiple sample pot, described multiple sample pot being respectively equipped with the storer for storing sample message.
4. oil-water-gas on-line period system as claimed in claim 3, is characterized in that: described multiple sample pot is that aluminum alloy material makes, and the surfaces externally and internally of described sample pot is provided with porcelain coating layer.
5. the oil-water-gas on-line period system as described in claim 3 or 4, it is characterized in that: also comprise cleaning device, described cleaning device comprises interconnective cleaning fluid tank and scavenging pump, described scavenging pump is communicated with described emulsion tank by delivery line, and described cleaning fluid tank is communicated with described sample pot by delivery line;
Described cleaning fluid tank is provided with used wiping solution exhaust valve.
6. oil-water-gas on-line period system as claimed in claim 5, is characterized in that: described ultrasonic generator is connected between described scavenging pump and described emulsion tank.
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| CN201210333396.2A CN102866041B (en) | 2012-09-11 | 2012-09-11 | Oil-water gas online sampling system |
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| CN201210333396.2A CN102866041B (en) | 2012-09-11 | 2012-09-11 | Oil-water gas online sampling system |
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| CN102866041B true CN102866041B (en) | 2015-02-25 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103308375B (en) * | 2013-07-05 | 2016-02-17 | 阿拉山口出入境检验检疫局综合技术服务中心 | A kind of Novel crude oil sample detection mixer |
| CN106596182A (en) * | 2015-10-20 | 2017-04-26 | 中国石油化工股份有限公司 | Composite probe for automatic crude oil sampler, and automatic crude oil sampler thereof |
| US11730895B2 (en) * | 2016-09-29 | 2023-08-22 | Koninklijke Philips N.V. | Medical device with a thermal mass flow sensor for bubble detection |
| CN106840769A (en) * | 2017-02-24 | 2017-06-13 | 中国石油天然气集团公司 | Oil pipeline on-line period device |
| CN106908276A (en) * | 2017-02-24 | 2017-06-30 | 中国石油天然气集团公司 | A kind of oil pipeline on-line period method |
| CN107748149B (en) * | 2017-09-28 | 2020-09-01 | 中国石油天然气集团有限公司 | Online oily sewage detection device and detection method based on ultraviolet fluorescence method |
| CN107589101B (en) * | 2017-09-28 | 2023-08-22 | 中国石油天然气集团有限公司 | Online oily sewage detection device based on ultraviolet fluorescence method |
| WO2019071385A1 (en) * | 2017-10-09 | 2019-04-18 | 卓金星 | Monitoring device for fermentation system |
| CN109342125B (en) * | 2018-11-13 | 2023-09-26 | 中国民用航空总局第二研究所 | Layering testing arrangement is stored to oily liquid |
| CN112816261B (en) * | 2021-01-25 | 2022-10-25 | 上海禾楷电气科技有限公司 | Power system monitoring device |
| KR102321055B1 (en) * | 2021-08-13 | 2021-11-03 | 흥가하이드로릭스코리아(유) | Oil/gas sampling system |
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