CN211669140U - Multi-component double-flow-path analysis device for logging chromatograph - Google Patents
Multi-component double-flow-path analysis device for logging chromatograph Download PDFInfo
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- CN211669140U CN211669140U CN201821464994.2U CN201821464994U CN211669140U CN 211669140 U CN211669140 U CN 211669140U CN 201821464994 U CN201821464994 U CN 201821464994U CN 211669140 U CN211669140 U CN 211669140U
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- 238000004458 analytical method Methods 0.000 title claims abstract description 20
- 239000011148 porous material Substances 0.000 claims abstract description 84
- 239000007789 gas Substances 0.000 claims abstract description 64
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012159 carrier gas Substances 0.000 claims abstract description 7
- 238000005206 flow analysis Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 11
- 229930195733 hydrocarbon Natural products 0.000 abstract description 11
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 9
- 239000001257 hydrogen Substances 0.000 abstract description 9
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 9
- 238000004587 chromatography analysis Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Treatment Of Liquids With Adsorbents In General (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model relates to a multi-component double-flow-path analysis device of a logging chromatograph in the field of logging chromatographic analysis instruments, which realizes the purposes of gas path flow change and hydrocarbon component quick separation and quick detection through a double ten-way valve, a double quantitative pipe, a double set of chromatographic columns and a FID detector, wherein the ten-way valve is a rotary valve with 10 pore paths to achieve the purpose of gas path flow change; the quantitative tube is used for storing hydrocarbon sample gas, carrying the sample gas to enter a chromatographic column and finally entering an FID detector for analysis; hydrogen is used as carrier gas carrying sample gas in the device, one path of hydrogen enters an FID detector (back), and C6-C8 sample gas is analyzed; the other path enters a FID detector (front) and is analyzed for C1-C5 sample gas. The device improves the detection range, and the detection range of the logging gas chromatograph FID reaches C8; meanwhile, the multi-component analysis running period is shortened and reaches 60 seconds; the requirements of the current situation of logging are completely met.
Description
Technical Field
The utility model relates to a logging field analytical instrument field in oil gas exploration and development specifically is a logging chromatograph multicomponent double-process analytical equipment, can realize the analysis of 12 kinds of components such as C1-C8, improves the analysis cycle of detection range and chromatograph.
Background
During drilling, fluids in the drilled formation enter the wellbore in various ways, returning to the surface as the drilling fluid passes up. Gas chromatographs used in situ gas logging are used primarily to analyze the gas released from formations returning to the surface above the drilling fluid. Under surface conditions, the formation gas mainly comprises hydrocarbon gas (C1-C8) and non-hydrocarbon gas (carbon dioxide, hydrogen sulfide and the like), and the gas characterizes the oil, gas and water contained in the formation. Therefore, the method is a very important key technology and means in comprehensive logging for detecting and analyzing the formation gas.
The existing detection means mainly relies on a gas chromatograph to detect hydrocarbon gas on the ground. The gas chromatograph consists of a gas path system, a sample introduction system, a chromatographic column, a detector and a recorder.
The Detector is one of the key components of the gas chromatograph, and a common logging gas chromatograph mainly uses a Flame Ionization Detector (FID), where the FID is a Detector that uses hydrogen Flame as an Ionization source to ionize organic matters to generate micro-current and respond, and the generated micro-current is in direct proportion to the concentration of the organic matters.
At present, components (methane, ethane, propane, isobutane, n-butane, isopentane and n-pentane) can be detected by a logging gas chromatograph component analysis system, the detection of the component content is mainly to evaluate a hydrocarbon reservoir, the component analysis of higher C6-C8 cannot be finished, and the component analysis is not enough in the aspect of finding the hydrocarbon reservoir in the better evaluation of hydrocarbon display. In addition, the period of domestic chromatographic analysis C1-C8 is commonly between 150 seconds and 180 seconds, and the hydrocarbon analysis period is too long due to the improvement of drilling technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a logging chromatograph multicomponent double-flow analysis device of each component of analysis natural gas that can be faster, more accurate to the not enough of the multicomponent detection device existence of current logging chromatograph. The device not only can effectively separate components such as C1-C8, but also shortens the operation analysis period, enlarges the multi-component analysis range of the logging gas chromatograph, and simultaneously reduces the operation of the logging chromatograph.
The purpose of the utility model can be realized by the following technical measures:
the multi-component double-flow-path analysis device of the logging chromatograph comprises a chromatographic column, a pre-cut column, a ten-way valve system, a quantitative tube, a FID detector and a logging chromatograph unit connected through a pipeline, wherein the ten-way valve system comprises a ten-way valve, a driving mechanism and a control system. Wherein: the ten-way valve is a rotary valve with 1-10 pore channels uniformly distributed on the cylindrical valve body, and two adjacent pore channels can be communicated; the logging chromatograph multi-component double-flow-path analysis device is of a combined structure formed by two groups of logging chromatograph units A and B, wherein the logging chromatograph units A are connected in a manner that: the quantitative tube A is connected between a pore channel 1 and a pore channel 8 of the ten-way valve A, the precutting column A is connected between a pore channel 2 and a pore channel 5 of the ten-way valve A, the chromatographic column A is connected between a pore channel 6 of the ten-way valve A and the FID detector A, a pore channel 9 of the ten-way valve A is connected with the sample gas, and a pore channel 7 of the ten-way valve A is connected with the pressure controller A; the connection relation of the well chromatograph unit B is as follows: the quantitative pipe B is connected between a pore channel 3 and a pore channel 10 of the ten-way valve B, the precutting column B is connected between pore channels 4 and 8 of the ten-way valve B, the chromatographic column B is connected between a pore channel 7 of the ten-way valve B and the FID detector B, a pore channel 1 of the ten-way valve B is connected with sample gas emptying, a pore channel 5 of the ten-way valve B is connected with back flushing emptying, and pore channels 6 and 9 of the ten-way valve B are respectively connected with a pressure controller B, C; the pore channel 10 of the logging chromatograph unit A ten-way valve A is connected with the pore channel 2 of the logging chromatograph unit B ten-way valve B through a pipeline.
The above scheme further comprises:
and the driving mechanism of the ten-way valve system is a ten-way valve driving cylinder.
And the pressure controller A of the logging chromatograph unit A and the pressure controllers B and C of the logging chromatograph unit B provide carrier gas power for sample gas by connecting a hydrogen gas path.
And the pressure controller A, the pressure controllers B and C are all electronic pressure controllers.
The quantitative tubes A and B are a section of hollow stainless steel pipeline with a volume of 100 uL.
The technical scheme of the utility model through two ten logical valves, two quantitative pipes, two sets of chromatographic column and FID detectors, realize the change of gas circuit flow and the purpose of hydrocarbon component quickly separating short-term test. The ten-way valve is a rotary valve with 10 holes, so that the purpose of changing the gas path flow is achieved; the driving cylinder takes air as power gas, and the ten-way valve can rotate by a certain angle, so that two adjacent holes are communicated or not communicated; the rotation of the ten-way valve is controlled by the software of the chromatograph workstation; the quantitative tube is used for storing hydrocarbon sample gas, and when carrier gas flows through the quantitative tube, the carrier gas carries a certain volume of sample gas to enter the chromatographic column and finally enters the FID detector for analysis; hydrogen is used as carrier gas carrying sample gas, one path of hydrogen gas path is connected with a ten-way valve A through pressure stabilization, the carried sample gas enters a chromatographic column A and finally enters a FID detector (back); the other path of hydrogen gas path is connected with a ten-way valve B, carries the sample gas to enter a chromatographic column B and finally enters an FID detector (front); the sample gas is gas generated from the drilling fluid to be detected; the electronic pressure controllers respectively control the pressure of the three paths of hydrogen.
The utility model discloses a log chromatograph multicomponent double-flow path analytical equipment has improved the scope of detection, makes the detection range of log gas chromatograph FID reach C8; meanwhile, the multi-component analysis running period is shortened and reaches 60 seconds; the requirements of the current situation of logging are completely met.
Drawings
Fig. 1 is a schematic diagram of an application flow of a multi-component double-flow analysis device of a logging chromatograph of the present invention;
in the figure, 21-FID detector B, 22-chromatographic column B, 23-precut column B, 24-ten way valve B, 25-quantitative tube B, 31-FID detector A, 32-chromatographic column A, 33-precut column A, 34-ten way valve A, 35-quantitative tube A, 36-logging chromatograph unit A and 37-logging chromatograph unit B.
Detailed Description
In order to make the features and advantages of the multi-component dual-flow analysis apparatus of a logging chromatograph of the present invention more comprehensible, the following description specifically exemplifies the examples, and combines with the attached drawings, and the following detailed description is made.
As shown in fig. 1, a multi-component dual-flow analysis device for a logging chromatograph includes chromatographic columns a and B, precut columns a and B, ten-way valve systems a and B, quantitative tubes a35 and B25, FID detectors a31 and B21, and logging chromatograph units a and B connected by pipelines, where the ten-way valve systems a and B include ten-way valves a34 and B24, driving mechanisms a and B, and a control system (not shown in the figure).
Wherein: the ten-way valves A34 and B24 are rotary valves with 1-10 pore channels uniformly distributed on the cylindrical valve body, and the adjacent two pore channels can be communicated and blocked under the control of a control system and a driving mechanism.
The multi-component double-flow-path analysis device of the logging chromatograph is a combined structure formed by two groups of logging chromatograph units A and B.
The connection relation of the logging chromatograph unit A36 is as follows: the quantitative tube A35 is connected between the pore channel 1 and the pore channel 8 of the ten-way valve A34, the precut column A33 is connected between the pore channels 2 and 5 of the ten-way valve A34, the chromatographic column A32 is connected between the pore channel 6 of the ten-way valve A34 and the FID detector A31, the pore channel 9 of the ten-way valve A34 is connected with the sample gas, and the pore channel 7 of the ten-way valve A34 is connected with the pressure controller A.
The connection relationship of the well chromatograph unit B37 is as follows: the quantitative tube B25 is connected between the pore channel 3 and the pore channel 10 of the ten-way valve B, the precutting column B23 is connected between the pore channels 4 and 8 of the ten-way valve B, the chromatographic column B22 is connected between the pore channel 7 of the ten-way valve B and the FID detector B21, the pore channel 1 of the ten-way valve B is connected with sample gas emptying, the pore channel 5 of the ten-way valve B is connected with back flushing emptying, and the pore channel 6 and the pore channel 9 of the ten-way valve B are respectively connected with the pressure controller B, C; the pore passage 10 of the logging chromatograph unit A ten-way valve A34 is connected with the pore passage 2 of the logging chromatograph unit B ten-way valve B through a pipeline.
Further:
the driving mechanisms A and B of the ten-way valve systems A and B are ten-way valve driving cylinders.
The pressure controller A of the logging chromatograph unit A and the pressure controllers B and C of the logging chromatograph unit B provide carrier gas power for sample gas by connecting a hydrogen gas path.
The pressure controller a, the pressure controllers B and C are all Electronic Pressure Controllers (EPC).
Quantitative tubes A35 and B were a section of hollow stainless steel tubing with a volume of 100 uL.
The specific application method comprises the following steps:
the rotation of the ten way valves a34 and B24 was controlled by the software of the chromatograph workstation, programmed for a period of 60 seconds.
The ten-way valve a34 switches at 18 seconds each cycle, and the air path for 0 to 18 seconds runs on a dotted line (dotted line portion of connecting lines between the channels in the figure, the same below), and the air path for 18 to 60 seconds runs on a solid line (solid line portion of connecting lines between the channels in the figure, the same below). The ten-way valve B is switched at 6 seconds in each period, the gas path of 0-6 seconds is a broken line, and the gas path of 6-60 seconds is a solid line.
After the gas path in the ten-way valve A34 is broken for 0-18 seconds, the hydrogen gas passes through EPCA, passes through the pore channel 7 and the pore channel 8 of the ten-way valve A34, carries the sample gas in the quantitative tube A35, passes through the pore channel 1 and the pore channel 2 of the ten-way valve A34, reaches the pre-cut column A33, passes through the pore channel 5 and the pore channel 6, reaches the chromatographic column A32, and finally enters the FID detector A31 for combustion; the sample gas enters a ten-way valve B through a pore passage 9 and a pore passage 10 of the ten-way valve A34 for sample gas transmission.
After the gas path in the ten-way valve A34 is full, the hydrogen gas passes through the EPCA, passes through the pore channel 7 and the pore channel 6 of the ten-way valve A34, reaches the chromatographic column A32 and continues to carry the sample gas to enter the FID detector A31 for combustion after 18-60 seconds; the sample gas enters the quantitative pipe A35 through the hole passage 9 and the hole passage 8 of the ten-way valve A34 and then enters the ten-way valve B through the hole passage 10 for sample gas transmission.
After 0-6 seconds, the gas path in the ten-way valve B is broken, hydrogen passes through the EPCC, passes through the pore passage 9 and the pore passage 10 of the ten-way valve B, carries sample gas in the quantitative tube B25, passes through the pore passage 4 of the ten-way valve B to reach the precutting column B23, passes through the pore passage 8 and the pore passage 7 to reach the chromatographic column B22, and finally enters the FID detector B21 for combustion; the other path of hydrogen reaches a pore channel 6 and a pore channel 5 of the ten-way valve B through the EPCB and is directly blown back and emptied; the sample gas from the ten-way valve A34 is vented through the channel 2 and the channel 1 of the ten-way valve B.
6-60 seconds, the gas path in the ten-way valve B is full, hydrogen passes through the EPCC, passes through the pore channel 8 and the pore channel 9 of the ten-way valve B, reaches the precutting column B23 to carry residual sample gas, and is subjected to blowback and emptying through the pore channel 5 and the pore channel 4 of the ten-way valve B; the other path of hydrogen enters a chromatographic column B22 through an EPCB through a ten-way valve B pore passage 6 and a pore passage 7 and continuously carries sample gas to enter an FID detector B21 for combustion; the sample gas from the ten-way valve A34 enters the quantitative tube B25 through the pore passage 2 and the pore passage 3 of the ten-way valve B, and then is discharged through the pore passage 10 and the pore passage 1, and the sample gas is ceaselessly filled in the quantitative tube B25 at the moment.
Claims (5)
1. Log chromatograph multicomponent double-flow path analytical equipment, including chromatographic column, pre-cut post, ten logical valve system, ration pipe, FID detector and the log chromatograph unit through the pipe connection, wherein ten logical valve system includes ten logical valve, actuating mechanism and control system, its characterized in that: the chromatographic column comprises a chromatographic column A and a chromatographic column B, the precutting column comprises a precutting column A and a precutting column B, the ten-way valve comprises a ten-way valve A and a ten-way valve B, the quantitative tube comprises a quantitative tube A and a quantitative tube B, the FID detector comprises an FID detector A and an FID detector B, and the logging chromatograph unit comprises a logging chromatograph unit A and a logging chromatograph unit B; the ten-way valve is a rotary valve with 1-10 pore channels uniformly distributed on the cylindrical valve body, and two adjacent pore channels can be communicated; the multi-component double-flow-path analysis device of the logging chromatograph is a combined structure formed by logging chromatograph units A and B, wherein the connection relation of the logging chromatograph units A is as follows: the quantitative tube A is connected between a pore channel 1 and a pore channel 8 of the ten-way valve A, the precutting column A is connected between a pore channel 2 and a pore channel 5 of the ten-way valve A, the chromatographic column A is connected between a pore channel 6 of the ten-way valve A and the FID detector A, a pore channel 9 of the ten-way valve A is connected with the sample gas, and a pore channel 7 of the ten-way valve A is connected with the pressure controller A; the connection relation of the well chromatograph unit B is as follows: the quantitative pipe B is connected between a pore channel 3 and a pore channel 10 of the ten-way valve B, the precutting column B is connected between a pore channel 4 and a pore channel 8 of the ten-way valve B, the chromatographic column B is connected between a pore channel 7 of the ten-way valve B and the FID detector B, a pore channel 1 of the ten-way valve B is connected with sample gas emptying, a pore channel 5 of the ten-way valve B is connected with back flushing emptying, and a pore channel 6 and a pore channel 9 of the ten-way valve B are respectively connected with a pressure controller B, C; the pore channel 10 of the logging chromatograph unit A ten-way valve A is connected with the pore channel 2 of the logging chromatograph unit B ten-way valve B through a pipeline.
2. The multi-component dual-flow analysis device of a logging chromatograph of claim 1, wherein: and the driving mechanism of the ten-way valve system is a ten-way valve driving cylinder.
3. The multi-component dual-flow analysis device of a logging chromatograph according to claim 1 or 2, characterized in that: and the pressure controller A of the logging chromatograph unit A and the pressure controllers B and C of the logging chromatograph unit B provide carrier gas power for sample gas by connecting a hydrogen gas path.
4. The multi-component dual-flow analysis device of a logging chromatograph of claim 3, wherein: and the pressure controller A, the pressure controllers B and C are all electronic pressure controllers.
5. The multi-component dual-flow analysis device of a logging chromatograph of claim 4, wherein: the quantitative tubes A and B are a section of hollow stainless steel pipeline with a volume of 100 uL.
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| CN201821464994.2U CN211669140U (en) | 2018-09-07 | 2018-09-07 | Multi-component double-flow-path analysis device for logging chromatograph |
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| CN201821464994.2U CN211669140U (en) | 2018-09-07 | 2018-09-07 | Multi-component double-flow-path analysis device for logging chromatograph |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887900A (en) * | 2018-09-07 | 2020-03-17 | 中石化石油工程技术服务有限公司 | Multi-component double-flow analysis device and method for logging chromatograph |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887900A (en) * | 2018-09-07 | 2020-03-17 | 中石化石油工程技术服务有限公司 | Multi-component double-flow analysis device and method for logging chromatograph |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240128 Address after: Room 1202, No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100020 Patentee after: Sinopec Petroleum Engineering Technology Service Co.,Ltd. Country or region after: China Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Shengli geological logging company of Sinopec Jingwei Co.,Ltd. Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Patentee before: SINOPEC OILFIELD SERVICE Corp. Country or region before: China Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: GEOLOGICAL LOGGING BRANCH OF SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |
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