CN109030126A - Tank mouth associated gas enclosed sampling analytical equipment - Google Patents

Tank mouth associated gas enclosed sampling analytical equipment Download PDF

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Publication number
CN109030126A
CN109030126A CN201810782677.3A CN201810782677A CN109030126A CN 109030126 A CN109030126 A CN 109030126A CN 201810782677 A CN201810782677 A CN 201810782677A CN 109030126 A CN109030126 A CN 109030126A
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CN
China
Prior art keywords
gas
sampling
tank
flowmeter
air cooler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810782677.3A
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Chinese (zh)
Inventor
刘冬冬
朱方晖
朱秋波
郭娟
李扬
陈小安
李强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kelamayi Red Hill Oilfield Ltd
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Kelamayi Red Hill Oilfield Ltd
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Priority to CN201810782677.3A priority Critical patent/CN109030126A/en
Publication of CN109030126A publication Critical patent/CN109030126A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/2226Sampling from a closed space, e.g. food package, head space
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/2226Sampling from a closed space, e.g. food package, head space
    • G01N2001/2229Headspace sampling, i.e. vapour over liquid

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The present invention relates to Oil Field tank mouth associated gas enclosed sampling analysis technical fields, are a kind of tank mouth associated gas enclosed sampling analytical equipments comprising surge tank, gas-liquid separated air cooler, aspiration pump, gas collection box.Structure of the invention is reasonable and compact, it is easy to use, realize for the first time be not transformed existing block station surge tank can be completed gas gross detection and sampling analysis, when realizing gas collection box acquisition gas again, it avoids tank deck high temperature and toxic gas from being discharged to damage personnel's body, simultaneously, apparatus of the present invention can realize viscous crude handle up the normal pressure sampling and gas gross detection of associated gas in recovery process when, there is no the risks that pipeline when sampling builds the pressure, safety in production index is improved, guarantees normal pressure, homogeneous sampling.

Description

Tank mouth associated gas enclosed sampling analytical equipment
Technical field
The present invention relates to Oil Field tank mouth associated gas enclosed sampling analysis technical fields, are that a kind of tank mouth associated gas is closed Sampling analysis device.
Background technique
Viscous crude, which is handled up, can generate associated gas in recovery process, poisonous and harmful containing hydrogen sulfide, carbon monoxide etc. in associated gas Gas needs analysis ingredient to formulate the precautionary measures, it is ensured that safety in production;Imflammable gas therein can recycle simultaneously, need Specific gas component is analyzed, determines suitable way of recycling.
Block station is the node that oil well produced liquid is concentrated, and can reflect block station compass of competency oil well associated gas general condition, Block station surge tank tank mouth has manhole, has the condition of sampling and measuring, but tank mouth associated gas sampler and sampling method at present It is still blank, tank mouth associated gas enclosed sampling analytical equipment need to be developed.
Summary of the invention
The present invention provides a kind of tank mouth associated gas enclosed sampling analytical equipments, overcome the defects of the prior art, Be able to achieve viscous crude handle up the normal pressure sampling and gas gross detection of associated gas in recovery process when, there is no pipelines when sampling to build the pressure Risk, improve safety in production index, guarantee normal pressure, homogeneous sampling.
The technical scheme is that realized by following measures: a kind of tank mouth associated gas enclosed sampling analysis dress It sets, including surge tank, gas-liquid separated air cooler, aspiration pump, gas collection box;Manhole is provided at the top of surge tank, at manhole It is fixedly installed with manhole cover, the safety vent pipeline being connected with inside surge tank, safety vent are fixedly installed on manhole cover Pipeline side is fixedly installed with the first segment sampling line being connected with safety vent pipeline, first segment sampling line outlet end with Gas-liquid separated air cooler input end is fixed and is connected, and gas-liquid separated air cooler top exit end is fixedly installed with and gas-liquid The second section sampling line being connected inside separate type air cooler, the second section sampling line outlet end are fixed with aspiration pump input end And be connected, third section sampling line, surge tank manhole and first segment are communicated between aspiration pump outlet end and gas collection box First flowmeter is installed, safety vent pipeline outlet end is connected with atmosphere on the safety vent pipeline between sampling line.
Here is the further optimization and/or improvements to invention technology described above scheme:
Above-mentioned first flow is calculated as vane-wheel type flowmeter.
Second flowmeter is installed on above-mentioned first segment sampling line, second flow is installed on the second section sampling line Meter.
Above-mentioned second flowmeter and third flowmeter are thermal flowmeter.
Import hand valve, gas-liquid are installed on the first segment sampling line that above-mentioned gas-liquid separated air cooler input end is connected Outlet hand valve is installed on the second section sampling line that separate type air cooler top exit end is connected.
Above-mentioned gas-liquid separated air cooler bottom is provided with leakage fluid dram.
Structure of the invention is reasonable and compact, easy to use, realize for the first time existing block station surge tank is not transformed can be complete At gas gross detection and sampling analysis, and realize gas collection box acquisition gas when, avoid tank deck high temperature and have poison gas Body discharge damages personnel's body, meanwhile, apparatus of the present invention can realize that viscous crude is handled up the normal pressure of associated gas in recovery process When sampling and gas gross detection, there is no the risks that build the pressure of pipeline when sampling, improve safety in production index, guarantee normal pressure, Homogeneous sampling.
Detailed description of the invention
Attached drawing 1 is the process structure schematic diagram of preferred embodiment.
Coding in attached drawing is respectively as follows: 1 for surge tank, and 2 be safety vent pipeline, and 3 be first flowmeter, and 4 be second Meter, 5 be third flowmeter, and 6 be gas-liquid separated air cooler, and 7 be aspiration pump, and 8 be gas collection box, and 9 be manhole, and 10 be the One section sampling line, 11 be the second section sampling line, and 12 be third section sampling line.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific Embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to Figure of description 1 Butut mode be described, such as: front, rear, top, and bottom, left and right positional relationship be the cloth according to Figure of description 1 Figure direction determines.
Below with reference to examples and drawings, the invention will be further described:
As shown in Fig. 1, which includes surge tank 1, gas-liquid separated air cooler 6, takes out Air pump 7, gas collection box 8;It is provided with manhole 9 at the top of surge tank 1, manhole cover is fixedly installed at manhole 9, is fixed on manhole cover The safety vent pipeline 2 being connected with inside surge tank 1 is installed, 2 side of safety vent pipeline is fixedly installed with puts with safety The first segment sampling line 10 that blank pipe line 2 is connected, 10 outlet end of first segment sampling line and gas-liquid separated 6 import of air cooler End is fixed and is connected, and gas-liquid separated 6 top exit end of air cooler is fixedly installed with and gas-liquid separated 6 inside phase of air cooler Second section sampling line 11 of connection, 11 outlet end of the second section sampling line are fixed and are connected with 7 input end of aspiration pump, are evacuated It pumps and is communicated with third section sampling line 12 between 7 outlet ends and gas collection box 8,1 manhole of surge tank and first segment sampling line First flowmeter 3 is installed, 2 outlet end of safety vent pipeline is connected with atmosphere on the safety vent pipeline 2 between 10.
2 rear end of safety vent pipeline of the invention is directly connected to atmosphere, and gas gross inspection is installed on safety vent pipeline 2 The first flowmeter 3 of survey guarantees that gas gross detects under normal pressure, reduces security risk.
Aspiration pump 7 is set behind gas-liquid separated air cooler 6, gas will test by aspiration pump 7 and be sent into gas collection In box 8, gaseous sample needed for testing staff is acquired by sampling bag in 8 quantification of gas collection box, achievable gas gross inspection When surveying and sampling analysis, and realizing gas collection box acquisition gas, tank deck high temperature and toxic gas is avoided to be discharged to personnel Body damages, meanwhile, apparatus of the present invention can realize that the handle up normal pressure sampling of associated gas and gas in recovery process of viscous crude is total When amount detection, there is no the risks that pipeline builds the pressure, and improve safety in production index, guarantee normal pressure, homogeneous sampling.
Above-mentioned tank mouth associated gas enclosed sampling analytical equipment can be made further optimization and/or improvements according to actual needs:
As shown in Fig. 1, first flowmeter 3 is vane-wheel type flowmeter.
As shown in Fig. 1, second flowmeter 4 is installed on first segment sampling line 10, is pacified on the second section sampling line 11 Equipped with third flowmeter 5.
As shown in Fig. 1, second flowmeter 4 and third flowmeter 5 are thermal flowmeter.
First flowmeter 3 on safety vent pipeline 2 uses vane-wheel type flowmeter, guarantees that data measured is accurate.
As shown in Fig. 1, be equipped on the first segment sampling line 10 that gas-liquid separated 6 input end of air cooler is connected into Mouthful hand valve is equipped with outlet hand valve on the second section sampling line 11 that gas-liquid separated 6 top exit end of air cooler is connected.
As shown in Fig. 1, gas-liquid separated 6 bottom of air cooler is provided with leakage fluid dram.
By the third flowmeter 5 in the second flowmeter 4 and the second section sampling line 11 of first segment sampling line 10, one Aspect can correct the gas gross data of first flowmeter 3, on the other hand, according to the data of second flowmeter 4 and third stream The difference of the data of meter 5, the steam content in associated gas generated during available thickened oil recovery.During thickened oil recovery The associated gas of generation, by gas-liquid separated air cooler 6, leakage fluid dram of the steam condensate from gas-liquid separated 6 bottom of air cooler Discharge, weighs after artificially collecting, calculates contained quantity of steam in associated gas according to the steam condensate weight of collection, can proofread Second flowmeter 4 and third flowmeter 5.
The above technical characteristic constitutes highly preferred embodiment of the present invention, with stronger adaptability and best implementation effect Fruit can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
The use process of preferred embodiment: import hand valve and the top of gas-liquid separated 6 input end of air cooler are opened The outlet hand valve of portion outlet end, associated gas gas are total by the measurement associated gas gas of first flowmeter 3 on safety vent pipeline 2 Amount starts aspiration pump 7, and part associated gas gas is collected into gas collection box 8, and sampling analysis personnel are in gas collection box 8 After interior sampling, in experiment lab analysis associated gas gas component.

Claims (7)

1.一种罐口伴生气密闭取样分析装置,其特征在于包括缓冲罐、气液分离式空冷器、抽气泵、气体收集盒;缓冲罐顶部设置有人孔,人孔处固定安装有人孔盖,人孔盖上固定安装有与缓冲罐内部相连通的安全放空管线,安全放空管线一侧固定安装有与安全放空管线相连通的第一节取样管线,第一节取样管线出口端与气液分离式空冷器进口端固定并相连通,气液分离式空冷器顶部出口端固定安装有与气液分离式空冷器内部相连通的第二节取样管线,第二节取样管线出口端与抽气泵进口端固定并相连通,抽气泵出口端与气体收集盒之间连通有第三节取样管线,缓冲罐人孔与第一节取样管线之间的安全放空管线上安装有第一流量计,安全放空管线出口端与大气相连通。1. A closed sampling and analysis device for associated gas at the mouth of a tank, characterized in that it comprises a buffer tank, a gas-liquid separation type air cooler, an air pump, and a gas collection box; a manhole is arranged on the top of the buffer tank, and a manhole cover is fixedly installed at the manhole, The manhole cover is fixedly installed with a safety venting pipeline connected to the inside of the buffer tank, and one side of the safety venting pipeline is fixedly installed with the first sampling pipeline connected with the safety venting pipeline, and the outlet end of the first sampling pipeline is separated from the gas-liquid The inlet end of the gas-liquid separation air cooler is fixed and connected, and the outlet end of the top of the gas-liquid separation air cooler is fixedly installed with the second sampling pipeline connected to the inside of the gas-liquid separation air cooler. There is a third sampling pipeline connected between the outlet end of the air pump and the gas collection box, and the first flowmeter is installed on the safe venting pipeline between the manhole of the buffer tank and the first sampling line to vent safely. The outlet end of the pipeline is connected to the atmosphere. 2.根据权利要求1所述的罐口伴生气密闭取样分析装置,其特征在于第一流量计为叶轮式流量计。2. The closed sampling and analysis device for associated gas at the tank mouth according to claim 1, characterized in that the first flowmeter is an impeller flowmeter. 3.根据权利要求1或2所述的罐口伴生气密闭取样分析装置,其特征在于第一节取样管线上安装有第二流量计,第二节取样管线上安装有第三流量计。3. The closed sampling and analysis device for associated gas at the tank mouth according to claim 1 or 2, characterized in that a second flowmeter is installed on the first section of the sampling pipeline, and a third flowmeter is installed on the second section of the sampling pipeline. 4.根据权利要求3所述的罐口伴生气密闭取样分析装置,其特征在于第二流量计和第三流量计均为热式流量计。4. The closed sampling and analysis device for associated gas at the tank mouth according to claim 3, characterized in that both the second flowmeter and the third flowmeter are thermal flowmeters. 5.根据权利要求1所述的罐口伴生气密闭取样分析装置,其特征在于气液分离式空冷器进口端相连通的第一节取样管线上安装有进口手阀,气液分离式空冷器顶部出口端相连通的第二节取样管线上安装有出口手阀。5. The airtight sampling and analysis device for associated gas at the mouth of the tank according to claim 1, characterized in that an inlet hand valve is installed on the first section of the sampling pipeline connected to the inlet end of the gas-liquid separation air cooler, and the gas-liquid separation air cooler An outlet hand valve is installed on the second section of the sampling pipeline connected to the top outlet port. 6.根据权利要求1所述的罐口伴生气密闭取样分析装置,其特征在于气液分离式空冷器底部设置有排液口。6. The closed sampling and analysis device for associated gas at the mouth of the tank according to claim 1, characterized in that a liquid discharge port is provided at the bottom of the gas-liquid separation air cooler. 7.根据权利要求5所述的罐口伴生气密闭取样分析装置,其特征在于气液分离式空冷器底部设置有排液口。7. The closed sampling and analysis device for associated gas at the mouth of the tank according to claim 5, characterized in that a liquid outlet is provided at the bottom of the gas-liquid separation air cooler.
CN201810782677.3A 2018-07-17 2018-07-17 Tank mouth associated gas enclosed sampling analytical equipment Pending CN109030126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810782677.3A CN109030126A (en) 2018-07-17 2018-07-17 Tank mouth associated gas enclosed sampling analytical equipment

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Application Number Priority Date Filing Date Title
CN201810782677.3A CN109030126A (en) 2018-07-17 2018-07-17 Tank mouth associated gas enclosed sampling analytical equipment

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Publication Number Publication Date
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194955A1 (en) * 1985-03-04 1986-09-17 Institut De Recherches De La Siderurgie Francaise (Irsid) Device for taking and preparing a gas sample for its analysis
CN103712834A (en) * 2014-01-02 2014-04-09 中国科学院武汉岩土力学研究所 Indoor truth-preserving sampling, sample storage and analysis device and method based on deep well sampling
CN104453794A (en) * 2014-11-20 2015-03-25 中国科学院广州能源研究所 Simulation experiment system for whole process of natural gas hydrate exploitation and simulation method
CN105527130A (en) * 2014-09-30 2016-04-27 中国石油天然气股份有限公司 Closed sampling system and method for liquefied gas
CN205384167U (en) * 2016-02-26 2016-07-13 辽阳鑫宇化工有限公司 Reaction kettle sampling device
CN107561197A (en) * 2017-10-16 2018-01-09 中国五环工程有限公司 Ammonia-containing gas determination of moisture sampler in process pipelines
CN207056338U (en) * 2017-07-20 2018-03-02 中国华能集团清洁能源技术研究院有限公司 The regenerating unit of sour gas trapping solution in a kind of power-plant flue gas

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194955A1 (en) * 1985-03-04 1986-09-17 Institut De Recherches De La Siderurgie Francaise (Irsid) Device for taking and preparing a gas sample for its analysis
CN103712834A (en) * 2014-01-02 2014-04-09 中国科学院武汉岩土力学研究所 Indoor truth-preserving sampling, sample storage and analysis device and method based on deep well sampling
CN105527130A (en) * 2014-09-30 2016-04-27 中国石油天然气股份有限公司 Closed sampling system and method for liquefied gas
CN104453794A (en) * 2014-11-20 2015-03-25 中国科学院广州能源研究所 Simulation experiment system for whole process of natural gas hydrate exploitation and simulation method
CN205384167U (en) * 2016-02-26 2016-07-13 辽阳鑫宇化工有限公司 Reaction kettle sampling device
CN207056338U (en) * 2017-07-20 2018-03-02 中国华能集团清洁能源技术研究院有限公司 The regenerating unit of sour gas trapping solution in a kind of power-plant flue gas
CN107561197A (en) * 2017-10-16 2018-01-09 中国五环工程有限公司 Ammonia-containing gas determination of moisture sampler in process pipelines

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Application publication date: 20181218

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