CN101470105B - Hydrocarbon component analysis method and system - Google Patents
Hydrocarbon component analysis method and system Download PDFInfo
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- CN101470105B CN101470105B CN2007101728919A CN200710172891A CN101470105B CN 101470105 B CN101470105 B CN 101470105B CN 2007101728919 A CN2007101728919 A CN 2007101728919A CN 200710172891 A CN200710172891 A CN 200710172891A CN 101470105 B CN101470105 B CN 101470105B
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Abstract
The invention discloses a hydrocarbon component analysis method and a system therefore, for resolving the accuracy and reliability problem of in-situ logging analysis result. The technical scheme is that the hydrocarbon component analysis method comprises: (1) extracting sample gas under constant temperature; (2) transmitting the sample gas under constant temperature; (3) detecting and analyzing the collected sample gas via a gas chromatography to obtain analysis result; (4) inducing the analysis result into an analysis template, and obtaining analysis result via an analysis software piece. The invention is applied in logging site.
Description
Technical field
The present invention relates to hydrocarbon component analysis method and system, relate in particular to a kind of technology such as the degassing of constant temperature mud, constant temperature pipeline transmission of utilizing hydrocarbon gas aspect product are sent into gas chromatograph, carry out on-line Full hydrocarbon component analysis method and the system of light hydrocarbon component C1 (methane) in real-time analysis and the fast measuring mud drilling liquid～C8 (octane).
Background technology
The geological logging technology is to find the most timely, one of the most direct important means of hydrocarbon-bearing pool, main by site mud logging technology and well completion data interpretation process microcomputer software technology such as drilling geology well logging, gas detection logging, compound logging, geochemical loggings, in time find hydrocarbon zone, judge and explain hydrocarbon zone, and carry out the individual well oil and gas zone evaluation.As the core content of geological logging, gas detection logging is through long-run development, and trend is ripe gradually.
Domestic gas detection logging is from the earliest SQC-701 type partition gas chromatograph, and SQC-882 finally, and the most general well logging instrument that is equipped with the 3min gas chromatography have at present experienced a significant progress and development.Not only can provide various gas to survey parameter, and various geologic parameters and drilling parameter are provided simultaneously, and provide various explanation templates.Along with the fast development of well logging equipment and well logging technology, the instrumental analysis precision is more and more higher, and the reliability that the gas that provides is surveyed data is also more and more higher, and the attention degree to well logging in the drilling process also improves gradually.
Demand along with petroleum exploration and development, the effect of gas chromatograph in the exploration of oil thin layer is conspicuous fast, well logging gas examining system is in order to obtain field data, can not meet the demands fully with the qualitative, quantitative result who obtained C1-C5 in the rock gas in several minutes, wish that its analytical cycle shortens greatly, the analysis of C1-C5 turns to fast gas chromatograph analysis gradually in the rock gas.
General 37 compositions are mainly analyzed in the lighter hydrocarbons analysis that petroleum prospecting is at present adopted, can carry out explication de texte, but can not the real-time continuous analysis, and be 30min the analysis time of a sample substantially, can only carry out in the laboratory, can not satisfy the on-the-spot demand of creeping into fast that increases day by day.
The component analysis main target of gas detection logging is C1-nC5 totally 7 components at present, and the hydro carbons behind the C5 can not be analyzed, and C4-C5 is not main evaluating.Because gas detection logging can not get the later hydro carbons parameter of C5, cause gas-bearing formation, lightweight oil reservoir, oil gas can not effectively distinguish with layer and hydration gas-bearing formation.Though gas detection logging is the logging means of at present best evaluation gas-bearing formation, but because it only obtains the unicity of gas-bearing formation information and obtains the hydrocarbon composition incompletion of information and contamination resistance makes the evaluation of its gas-bearing formation can not make us satisfied fully a little less than from mud, the evaluation of water layer gassiness and water-soluble gas-bearing formation also is that gas is surveyed the difficult point of explaining.
The assay method of the conventional gas chromatograph that adopts as shown in Figure 1 at present: collect sample gas with manual mode, the sample gas of gathering is injected sample mouth 10 by syringe, bring chromatographic column 11 into the sample gas that carrier gas will be annotated in the sample mouth 10, utilize the stalling characteristic difference of the composition to be measured in 11 pairs of sample gas of chromatographic column, sample gas is analyzed, bring the sample gas after separating into detecting device 12 and detect, convert signal record to and deliver in the data processing equipment 13.Because gas circuit structure adopts conventional gas chromatograph mode, the whole instrument volume is bigger; Because it is periodic having sample introduction separation detection process, analysis, can not carry out detecting in real time continuously; The chromatographic column long-term work exists factors such as chromatographic column pollution, makes lighter hydrocarbons analyze the application of gas chromatography at the well logging scene and has been subjected to restriction to a certain degree.
Summary of the invention
The objective of the invention is to address the above problem, a kind of hydrocarbon component analysis method is provided, solve the accuracy and the reliability of site mud logging explanation results, improve the separating capacity of on-the-spot gas detection logging to gas-bearing formation, lightweight oil reservoir, oil gas layer together and hydration gas-bearing formation, and on-the-spot evaluating ability to water layer gassiness and water-soluble gas-bearing formation.
Another object of the present invention is to provide a kind of analyzing hydrocarbon component system, can the mud of continuous online fast measuring in hydrocarbon component (C1-C8), and provide and analyze and estimate explanation results, improved the evaluation level of the on-the-spot drill returns log of petroleum prospecting.
Technical scheme of the present invention is: the present invention has disclosed a kind of hydrocarbon component analysis method, comprising:
(1) under temperature constant state, extracts sample gas;
(2) this sample gas of transmission under temperature constant state;
(3) by gas chromatograph this sample gas that collects is detected and analyzes, obtain analysis result;
(4) this analysis result is imported the explanation template, draw explanation results by interpretation software.
Above-mentioned hydrocarbon component analysis method, wherein, step (3) further comprises:
(a) switch in this sample gas incision gas circuit by valve;
(b) drive this sample gas by first carrier gas and enter pre-separation post in this gas chromatograph;
(c) C1～C8 component that will need to separate is carried out pre-separation;
(d) in the C8 component after this pre-separation post is told, switch ten-way valve in this gas chromatograph to the blowback state;
(e) bring main separating column in this gas chromatograph into by this C1～C8 component of second carrier gas after with pre-separation, the flame ionization ditector that enters in this gas chromatograph detects and exports the check and analysis result, and this pre-separation post is carried out blowback with this first carrier gas, this sample gas continues to fill quantity tube, and the component blowback greater than C9 is gone out chromatographic column in this gas chromatograph;
Above-mentioned step (a)～(e) is finished an analytical cycle.
Above-mentioned hydrocarbon component analysis method, wherein, the thermostat temperature in the step (1) is 80 degree.
The present invention has disclosed a kind of analyzing hydrocarbon component system, comprising:
The constant temperature degasifier extracts sample gas under temperature constant state;
The constant temperature pipeline, an end connects the outlet of this constant temperature degasifier, this sample gas that transmission is extracted under temperature constant state;
Gas chromatograph, its inlet connects the other end of this constant temperature pipeline, and this sample gas that collects is detected and analyzes, and obtains analysis result;
The result treatment device connects the outlet of this gas chromatograph, this analysis result is imported explain template, draws explanation results by the interpretation software in installing.
Above-mentioned analyzing hydrocarbon component system, wherein, this constant temperature degasifier is made of degasifier and thermostat, and the constant control temperature of this thermostat is 80 degree.
Above-mentioned analyzing hydrocarbon component system, wherein, this constant temperature pipeline constitutes by the heating tape with its parallel not absorbing high temp pipe.
Above-mentioned analyzing hydrocarbon component system, wherein, this gas chromatograph further comprises:
A plurality of electronic pressure controllers, wherein the inlet of each those electronic pressure controller receives carrier gas respectively;
The vapour lock system, its inlet is connected with the outlet of each those electronic pressure controller;
Gas four-way piece, its inlet receives sample gas, has a plurality of outlets;
A plurality of ten-way valves, wherein the inlet of each those ten-way valve connects the outlet of this vapour lock system and one of them outlet of this gas four-way piece respectively;
Chromatograph box, its inlet connects the outlet of those ten-way valves, first pre-column, first principal post, second pre-column, second principal post are equipped with in combination in this chromatograph box, wherein this first pre-column carries out rough separating with this second pre-column to the hydrocarbon component in this sample gas, this first principal post further separates the hydrocarbon component after the rough separation of first pre-column, and this second principal post further separates the hydrocarbon component after the rough separation of this second pre-column;
A plurality of flame ionization ditectors, the inlet of one of them flame ionization ditector connect one of them outlet of this gas four-way piece, and the inlet of remaining each those flame ionization ditector connects the outlet of this chromatograph box respectively;
Hydrogen flameionization detection signal amplifier connects the signal output of those flame ionization ditectors;
The modulus signal capture card connects this hydrogen flameionization detection signal amplifier, converts amplified analog signal to digital signal and output;
Processing module connects this hydrogen flameionization detection signal amplifier by this modulus signal capture card, and processing signals is carried out peak identification, and the peak of handling is demarcated, and obtains analysis result at last.
Above-mentioned analyzing hydrocarbon component system, wherein, this chromatograph box has 8 ports, wherein the two ends of this first pre-column link to each other with first port, second port of this chromatograph box, the two ends of this first principal post link to each other with the 3rd port, the 4th port of this chromatograph box, the two ends of this second pre-column link to each other with the five-port of this chromatograph box, the 6th port, and the two ends of this second principal post link to each other with the 7th port, the 8th port of this chromatograph box.
Above-mentioned analyzing hydrocarbon component system, wherein, this gas chromatograph has two electronic pressure controllers, two ten-way valves and three flame ionization ditectors, wherein one of them the outlet of these two ten-way valves links to each other with first port, second port, the 3rd port of this chromatograph box, and the 4th port of this chromatograph box connects one of them in two flame ionization ditectors that link to each other with this chromatograph box; These two ten-way valves wherein another outlet link to each other with five-port, the 6th port, the 7th port of this chromatograph box, the 8th port of this chromatograph box connect in two flame ionization ditectors that link to each other with this chromatograph box wherein another.
Above-mentioned analyzing hydrocarbon component system, wherein, this first pre-column and this first principal post are packed column, analyze the C1～C5 hydrocarbon component in this sample gas; This second pre-column and this second principal post are capillary column, analyze C6～C8 hydrocarbon component or C6～C10 hydrocarbon component; This gas chromatograph also comprises a control device, connect those electronic pressure controllers to set flow rate of carrier gas, connect this chromatograph box to control the temperature of this chromatograph box, connect those flame ionization ditectors, connect those ten-way valves to switch automatically to light a fire automatically.
The present invention contrasts prior art following beneficial effect: the present invention adopts the gas chromatograph of constant temperature degasifier, constant temperature transfer line and polychromatic spectrum post and multi-detector, can analyze to C8 hydrocarbon component.The present invention analyzes sample gas continuously by the gas chromatograph of polychromatic spectrum post and multi-detector, and analysis speed is fast, and by explaining that the component analysis result after template is to C5 analyzes, and draws evaluation result.
Description of drawings
Fig. 1 is the synoptic diagram of the assay method of existing gas chromatograph.
Fig. 2 is the process flow diagram of the preferred embodiment of hydrocarbon component analysis method of the present invention.
Fig. 3 is the process flow diagram of the preferred embodiment that gas chromatograph detects and analyzes sample gas among Fig. 2 embodiment.
Fig. 4 is the schematic diagram of the preferred embodiment of analyzing hydrocarbon component of the present invention system.
Fig. 5 is the schematic diagram of the preferred embodiment of the gas chromatograph in the system of the present invention.
Fig. 6 is the schematic diagram of the chromatograph box in the gas chromatograph of the present invention.
Fig. 7 A, Fig. 7 B are the view of ten-way valve running of the present invention.
Fig. 8 is the chromatogram as a result that gas chromatograph of the present invention analyzes.
Fig. 9 is a kind of synoptic diagram of explaining template of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Fig. 2 shows the flow process of the preferred embodiment of hydrocarbon component analysis method of the present invention.Seeing also Fig. 2, is the detailed description to each step in the method below.
Step S10: extract sample gas under temperature constant state, the preferable constant temperature 80 that can be controlled in is spent.
In the present embodiment, in the outlet of drilling fluid mud the constant temperature degasifier is installed, this constant temperature degasifier is made of degasifier and thermostat.
Step S12: under temperature constant state, transmit sample gas.
Utilize the constant temperature pipeline that the sample gas outlet of degasifier and the sample gas inlet of gas chromatograph are linked together, wherein constant temperature transfer line employing heating tape and not absorbing high temp pipe formation, wherein sample gas enters into gas chromatograph by the constant temperature pipeline.
Step S14: by gas chromatograph the sample gas that collects is detected and analyzes, obtain analysis result.
Gas chromatograph in the present embodiment is to be made of the polychromatic spectrum column combination, adopts a plurality of flame ionization ditectors (FID) to detect, a plurality of electronic pressure controller control styletable pressure.The process that chromatograph detects and analyzes sees also Fig. 3.
Step S140: sample gas, is cut sample gas in the gas circuit by the valve switching with after the quantity tube of chromatographic ten-way valve is connected by the constant temperature pipeline.
Step S142: the sample gas that drives in the quantity tube with first carrier gas enters the pre-separation post.
Step S144: the C1～C8 component that will need to separate is carried out pre-separation.
Step S146: after the C8 component is just in time told from the pre-separation post, switch ten-way valve to the blowback state.
Step S148: bring main separating column into by the C1～C8 component of second carrier gas after with pre-separation, and enter flame ionization ditector (FID) and detect and export the check and analysis result, with first carrier gas pre-separation post is carried out blowback, sample gas continues to fill quantity tube, and the blowback of C9+ component is gone out chromatographic column.
Top step S140～S148 finishes one-period, and whole analytical cycle speed is fast, does not need human intervention, and does not have the chromatographic column pollution problem of chromatographic column long-term work.
Step S16: the analysis result of gas chromatograph output is imported the explanation template, draw explanation results by interpretation software.Explain that template can adopt existing templates, also can design voluntarily as required.
Fig. 8 shows the chromatogram as a result that gas chromatograph analyzes, and adopts the said method can be 2 minutes inner analysis C1～C8 components, and resolves analyzing collection of illustrative plates automatically, obtains analysis result, and this analysis result imported explains template.Fig. 9 shows a kind of explanation template, this triangle interpretation chart utilize C1/SUM, C7/SUM and C8/SUM analysis result (wherein SUM for all hydrocarbon components adding and), analysis result is made an explanation.Utilize this template can explain oil, gas, water layer automatically.For example in Fig. 9, chart interpretation is an oil reservoir in little delta-shaped region.
Fig. 4 shows the theory structure of the preferred embodiment of analyzing hydrocarbon component of the present invention system.See also Fig. 4, system comprises constant temperature degasifier 20, constant temperature pipeline 22, gas chromatograph 24 and result treatment device 26.Constant temperature degasifier 20 extracts sample gas being installed in the outlet of drilling fluid mud from drilling fluid mud.Constant temperature degasifier 20 is made of degasifier and thermostat, and wherein thermostatically controlled temp is 80 degree.One end of constant temperature pipeline 22 connects the outlet of constant temperature degasifier 20, the sample gas that transmission is extracted under temperature constant state.Constant temperature pipeline 22 usefulness heating tapes and parallel not absorbing high temp pipe constitute, and wherein sample gas enters into gas chromatograph 24 by constant temperature pipeline 22.24 pairs of sample gas that collect of gas chromatograph detect and analyze, and obtain analysis result.Result treatment device 26 connects the outlet of gas chromatograph 24, analysis result is imported explain template, obtains analysis result by the interpretation software in installing.
Fig. 5 shows the structure of gas chromatograph of the present invention.See also Fig. 5, chromatograph comprises electronic pressure controller 31～32, ten-way valve 33～34, vapour lock system 35, chromatograph box 36, flame ionization ditector FID-A 37, flame ionization ditector FID-B 38, flame ionization ditector FID-C
39, hydrogen flameionization detection signal amplifier 40, gas four-way piece 46, modulus signal capture card 41 and embedded computer system 42, wherein embedded computer system 42 is equivalent to a processing module.
See also Fig. 6, first pre-column (being pre-column A), 600, first principal post (being principal post A), 610, second pre-column (being pre-column B), 620, second principal post (being principal post B) 630 is equipped with in combination in the chromatograph box 36.Wherein the two ends of first pre-column 600 link to each other with the port 61,62 of chromatograph box 36, the two ends of first principal post 610 link to each other with the port 63,64 of chromatograph box 36, the two ends of second pre-column 620 link to each other with the port 65,66 of chromatograph box 36, and the two ends of second principal post 630 link to each other with the port of chromatograph box 67,68.Wherein the hydrocarbon component in 620 pairs of sample gas of first pre-column 600 and second pre-column is carried out rough separating, 610 pairs of hydrocarbon components after the 600 rough separation of first pre-column of first principal post are further separated, and 630 pairs of hydrocarbon components after the 620 rough separation of second pre-column of second principal post are further separated.First pre-column 600 and first principal post 610 are packed column, are used for the C1～C5 hydrocarbon component of analytic sample gas.Second pre-column 620 and second principal post 630 are capillary column, are used for the C6～C8 hydrocarbon component or the C6～C10 hydrocarbon component of analytic sample gas.
Carrier gas A (revises the corresponding contents among the figure simultaneously, consistent with this name, because first carrier gas, the second carrier gas title on the first carrier gas title and the ten-way valve repeats, down together, content deletion in the bracket) links to each other with vapour lock system 35 by electronic pressure controller 1, sample gas links to each other with the inlet of ten-way valve 3 by gas four-way piece 46, the outlet of vapour lock system 35 links to each other with another inlet of ten-way valve 33, the outlet of ten-way valve 33 links to each other with the port 61～63 of chromatograph box 36, and the port 64 of chromatograph box 36 links to each other with flame ionization ditector FID-A 37.Flame ionization ditector FID-A 37 amplifies the back through the signal of hydrogen flameionization detection signal amplifiers 40 and links to each other with modulus capture card 41, and modulus capture card 41 years is sent to embedded computer 42 with digital signal.
Carrier gas B links to each other with vapour lock system 35 by electronic pressure controller 32, sample gas links to each other with the inlet of ten-way valve 34 by gas four-way piece 46, the outlet of vapour lock system 35 links to each other with another inlet of ten-way valve 34, the outlet of ten-way valve 34 links to each other with the port 65～67 of chromatograph box 36, and the port 68 of chromatograph box 36 links to each other with flame ionization ditector FID-B 38.Flame ionization ditector FID-B 38 amplifies the back through the signal of hydrogen flameionization detection signal amplifiers 40 and links to each other with modulus capture card 41, and modulus capture card 41 years is sent to embedded computer 42 with digital signal.
Sample gas directly links to each other with flame ionization ditector FID-C 39 by gas four-way piece 46, the signal of flame ionization ditector FID-C 39 amplifies the back through the signal of hydrogen flameionization detection signal amplifier 40 and links to each other with modulus capture card 41, and modulus capture card 41 years is sent to embedded computer 42 with digital signal.
Embedded computer 42 comes down to a processing module, handles the signal that 41 transmission of modulus capture card come, and through peak identification, the peak of handling is demarcated, and obtains analysis result at last.
Gas chromatograph can also be provided with human interface device, memory device and network connection port.Human interface device can be input medias such as keyboard, mouse, output units such as screen, printer.The result of memory device, stores signal analysis.Network connection port transfers to other computing machines in the network with analysis result.
Gas chromatograph also comprises a control device (not shown), can be an independently computing machine, also can insert in the embedded computer 42.This control device connects electronic pressure controller 31,32 to set the flow velocity of first carrier gas and second carrier gas, connect chromatograph box 36 and be heated to predetermined temperature with control chromatograph box 36, connect flame ionization ditector FID-A 37, flame ionization ditector FID-B38, flame ionization ditector FID-C 39 to light a fire automatically successively, connect ten- way valve 33,34 automatically the state of ten-way valve is switched according to setting program according to setting program.
The principle of work of gas chromatograph of the present invention is to make with the gas chromatography principle, can onlinely obtain the rock gas sample of the mud degassing, reaches separation in chromatograph box 36, obtains the qualitative, quantitative data of compound in detecting device 37～39.Gas chromatograph,, is carried by carrier gas and to enter chromatograph box 36 after sample gas is injected by syringe or imported quantity tube (injector) by sample pump as moving phase (carrier gas) with gas.After rock gas component (sample gas) is brought into chromatograph box 36 together by carrier gas, because each compound of rock gas C1-C8 distribution capability different in the gas phase of chromatographic column and stationary phase, along with carrier gas constantly feeds, the rock gas each component is fixed and adsorbs mutually and desorption, produce the fine difference of partition factor, and constantly enlarge this difference.Final each compound has reached separation in chromatographic column.Since in the sample each component in chromatographic column moving phase (gas phase) and stationary phase (liquid phase) between the fine difference of solubility factor, under the flushing of carrier gas, each component is done repeated multiple times dissolving/volatilization between two-phase, repeated dispensing makes each component obtain separating in chromatographic column.With the detecting device that is connected on behind the post each component is come out by the time detecting that flows out then.
Fig. 7 A and 7B show the ten-way valve state of gas chromatograph of the present utility model.For ten-way valve 33, sample gas to be analyzed is connected with the quantity tube 70 of chromatographic ten-way valve 33 by transfer line, shown in Fig. 7 A, when analyzing, by the valve switching sample gas is cut in the gas circuit, enter pre-column 71 (being first pre-column 600 at this moment) with sample gas in first carrier gas drive quantity tube, the C1-C5 component that will separate is carried out pre-separation, after the C5 component is just in time told from pre-column 71 (being first pre-column 600 at this moment), switch ten-way valve 33 to the blowback state, shown in Fig. 7 B, the C1-C5 component of second carrier gas this moment after with pre-separation brought principal post 72 (being first principal post 610 at this moment) into, and enters flame ionization ditector FID-A 37 and detect, and with first carrier gas pre-column 71 (being first pre-column 600 at this moment) carried out blowback, sample gas continues to fill quantity tube 70, and the blowback of C5+ component is gone out chromatographic column.
For ten-way valve 34, sample gas to be analyzed is connected with the quantity tube 70 of chromatographic ten-way valve 34 by transfer line, shown in Fig. 7 A, when analyzing, by the valve switching sample gas is cut in the gas circuit, enter pre-column 71 (being second pre-column 610 at this moment) with sample gas in first carrier gas drive quantity tube, the C6-C8 component that will separate is carried out pre-separation, after the C8 component is just in time told from pre-column 71 (being second pre-column 610 at this moment), switch ten-way valve 34 to the blowback state, shown in Fig. 7 B, the C6-C8 component of second carrier gas this moment after with pre-separation brought principal post 72 (being second principal post 630 at this moment) into, and enters flame ionization ditector FID-B 38 and detect, and with first carrier gas pre-column 71 (being second pre-column 610 at this moment) carried out blowback, sample gas continues to fill quantity tube 70, and the blowback of C8+ component is gone out chromatographic column.
The operation steps of the start control of gas chromatograph of the present invention generally is:
Connect the tracheae line, comprise air, hydrogen and sample gas pipeline.
Opening power, system enters state of a control, by fixed routine work, goes forward side by side into the main control interface, and instrument is set flow rate of carrier gas according to predetermined setting by electronic pressure controller 31,32, and chromatograph box 36 is heated.
Through heat time heating time less than 1 hour, when the temperature of chromatograph box 36 arrives predetermined temperature, system is judged as temperature constant state, this moment, measurement and control program was lighted a fire successively automatically to three flame ionization ditector FID 37～39, all lighted until three flame ionization ditector FID 37～39 flames;
Open sample pump this moment, two ten- way valve 33,34 beginnings are switched automatically according to setting step.Show the signal curve of three FID signals on display screen, system is in normal operating conditions;
Sample gas enters system, shows that on display screen the total hydrocarbon curve rises, and signal appears in two component FID; Automatically gather the FID signal, carry out the FID signal Processing, the peak is discerned, and the peak of handling is demarcated, and obtains analysis result.Can print various analysis results by printer, or give other computing machine result transmission, and the result is preserved by modes such as networks.
At this moment, can not only display analysis state, control procedure and chromatographic data processing procedure on display screen, can also observe many information such as deciding result, chromatogram.The user chooses at random according to actual needs, can show different content, satisfies the different needs that use of user.
The foregoing description provides to those of ordinary skills and realizes or use of the present invention; those of ordinary skills can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (8)
1. one kind to C1 in the mud～C8 hydrocarbon component analysis method, comprising:
(1) under temperature constant state, extracts sample gas;
(2) this sample gas of transmission under temperature constant state;
(3) by gas chromatograph this sample gas that collects is detected and analyzes, obtain analysis result, wherein step (3) further comprises:
(a) switch in this sample gas incision gas circuit by valve;
(b) drive this sample gas by first carrier gas and enter pre-separation post in this gas chromatograph;
(c) C1～C8 component that will need to separate is carried out pre-separation;
(d) in the C8 component after this pre-separation post is told, switch ten-way valve in this gas chromatograph to the blowback state;
(e) bring main separating column in this gas chromatograph into by this C1～C8 component of second carrier gas after with pre-separation, the flame ionization ditector that enters in this gas chromatograph detects and exports the check and analysis result, and this pre-separation post is carried out blowback with this first carrier gas, this sample gas continues to fill quantity tube, and the component blowback greater than C9 is gone out chromatographic column in this gas chromatograph;
Above-mentioned step (a)～(e) is finished an analytical cycle;
(4) this analysis result is imported the explanation template, draw explanation results by interpretation software.
2. according to claim 1 C1 in the mud～C8 hydrocarbon component analysis method be is characterized in that the thermostat temperature in the step (1) is 80 degree.
3. one kind to C1 in the mud～C8 analyzing hydrocarbon component system, comprising:
The constant temperature degasifier extracts sample gas under temperature constant state;
The constant temperature pipeline, an end connects the outlet of this constant temperature degasifier, this sample gas that transmission is extracted under temperature constant state;
Gas chromatograph, its inlet connects the other end of this constant temperature pipeline, and this sample gas that collects is detected and analyzes, and obtains analysis result;
The result treatment device connects the outlet of this gas chromatograph, this analysis result is imported explain template, draws explanation results by the interpretation software in installing;
Wherein this gas chromatograph further comprises:
A plurality of electronic pressure controllers, wherein the inlet of each described electronic pressure controller receives carrier gas respectively;
The vapour lock system, its inlet is connected with the outlet of each described electronic pressure controller;
Gas four-way piece, its inlet receives sample gas, has a plurality of outlets;
A plurality of ten-way valves, wherein the inlet of each described ten-way valve connects the outlet of this vapour lock system and one of them outlet of this gas four-way piece respectively;
Chromatograph box, its inlet connects the outlet of those ten-way valves, first pre-column, first principal post, second pre-column, second principal post are equipped with in combination in this chromatograph box, wherein this first pre-column carries out rough separating with this second pre-column to the hydrocarbon component in this sample gas, this first principal post further separates the hydrocarbon component after the rough separation of first pre-column, and this second principal post further separates the hydrocarbon component after the rough separation of this second pre-column;
A plurality of flame ionization ditectors, the inlet of one of them described flame ionization ditector connect one of them outlet of this gas four-way piece, and the inlet of remaining each described flame ionization ditector connects the outlet of this chromatograph box respectively;
Hydrogen flameionization detection signal amplifier connects the signal output of described a plurality of flame ionization ditectors;
The modulus signal capture card connects this hydrogen flameionization detection signal amplifier, converts amplified analog signal to digital signal and output;
Processing module connects this hydrogen flameionization detection signal amplifier by this modulus signal capture card, and processing signals is carried out peak identification, and the peak of handling is demarcated, and obtains analysis result at last.
4. according to claim 3ly C1 in the mud～C8 analyzing hydrocarbon component system be is characterized in that this constant temperature degasifier is made of degasifier and thermostat, the constant control temperature of this thermostat is 80 degree.
5. according to claim 3 C1 in the mud～C8 analyzing hydrocarbon component system be is characterized in that this constant temperature pipeline constitutes by the heating tape with its parallel not absorbing high temp pipe.
6. according to claim 3 to C1 in the mud～C8 analyzing hydrocarbon component system, it is characterized in that, this chromatograph box has 8 ports, wherein the two ends of this first pre-column link to each other with first port, second port of this chromatograph box, the two ends of this first principal post link to each other with the 3rd port, the 4th port of this chromatograph box, the two ends of this second pre-column link to each other with the five-port of this chromatograph box, the 6th port, and the two ends of this second principal post link to each other with the 7th port, the 8th port of this chromatograph box.
7. according to claim 6 to C1 in the mud～C8 analyzing hydrocarbon component system, it is characterized in that, this gas chromatograph has two electronic pressure controllers, two ten-way valves and three flame ionization ditectors, wherein one of them the outlet of these two ten-way valves links to each other with first port, second port, the 3rd port of this chromatograph box, and the 4th port of this chromatograph box connects first in two flame ionization ditectors that link to each other with this chromatograph box; These two ten-way valves wherein another outlet link to each other with five-port, the 6th port, the 7th port of this chromatograph box, and the 8th port of this chromatograph box connects second in two flame ionization ditectors that link to each other with this chromatograph box.
8. according to claim 7 C1 in the mud～C8 analyzing hydrocarbon component system be is characterized in that this first pre-column and this first principal post are packed column, analyze the C1～C5 hydrocarbon component in this sample gas; This second pre-column and this second principal post are capillary column, analyze C6～C8 hydrocarbon component or C6～C10 hydrocarbon component; This gas chromatograph also comprises a control device, connect described a plurality of electronic pressure controller to set flow rate of carrier gas, connect this chromatograph box to control the temperature of this chromatograph box, connect described a plurality of flame ionization ditector to light a fire automatically, connect described a plurality of ten-way valve to switch automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101728919A CN101470105B (en) | 2007-12-25 | 2007-12-25 | Hydrocarbon component analysis method and system |
Applications Claiming Priority (1)
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| CN111272933B (en) * | 2020-02-20 | 2022-04-29 | 江西蓝星星火有机硅有限公司 | Method for analyzing trace hydrocarbon in methyl cyclosiloxane |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6237396B1 (en) * | 1998-12-22 | 2001-05-29 | Institut Francais Du Petrole | Integrated analysis process and device for hydrocarbon characterization by distillation simulation |
| CN1395098A (en) * | 2001-07-06 | 2003-02-05 | 中国科学院大连化学物理研究所 | Capillary chromategraphy system cutting-back flushing method and its special-purpose equipment |
| CN2546876Y (en) * | 2002-05-31 | 2003-04-23 | 上海神开科技工程有限公司 | Air-resistor for flow control in gas chromatograph |
| CN2758771Y (en) * | 2004-12-27 | 2006-02-15 | 上海神开科技工程有限公司 | Fully automatic fast gas chromatograph |
| CN201130174Y (en) * | 2007-12-25 | 2008-10-08 | 上海神开石油化工装备股份有限公司 | Gas chromatograph system |
-
2007
- 2007-12-25 CN CN2007101728919A patent/CN101470105B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6237396B1 (en) * | 1998-12-22 | 2001-05-29 | Institut Francais Du Petrole | Integrated analysis process and device for hydrocarbon characterization by distillation simulation |
| CN1395098A (en) * | 2001-07-06 | 2003-02-05 | 中国科学院大连化学物理研究所 | Capillary chromategraphy system cutting-back flushing method and its special-purpose equipment |
| CN2546876Y (en) * | 2002-05-31 | 2003-04-23 | 上海神开科技工程有限公司 | Air-resistor for flow control in gas chromatograph |
| CN2758771Y (en) * | 2004-12-27 | 2006-02-15 | 上海神开科技工程有限公司 | Fully automatic fast gas chromatograph |
| CN201130174Y (en) * | 2007-12-25 | 2008-10-08 | 上海神开石油化工装备股份有限公司 | Gas chromatograph system |
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