CN1380548A

CN1380548A - Drilling mud and crumb hydrocarbon analysis method

Info

Publication number: CN1380548A
Application number: CN 02109459
Authority: CN
Inventors: 杨仁政
Original assignee: HAICHENG CITY PETROCHEMICAL INSTRUMENT FACTORY
Current assignee: HAICHENG CITY PETROCHEMICAL INSTRUMENT FACTORY
Priority date: 2002-04-11
Filing date: 2002-04-11
Publication date: 2002-11-20
Anticipated expiration: 2022-04-11
Also published as: CN1162698C

Abstract

The present invention belongs to an analysis method of drilling mud and crumby hydrocarbons. It can utilize drilling mud and crumbs to make yeochemical logging evaluation analysis. Its working principle is: adopting program to heat sample, using inert gas to carry hydrocarbon like substances and utilizing FID to on-line aquantitatively detect gaseous hydrocarbon, evaporation hydrocarbon and pyrolysis hydrocarbon. Said invention can be extensively used for detection and analysis of various oil field muds and crumbs.

Description

Drilling mud, crumb hydrocarbon analysis method

Technical field the invention belongs to a kind of drilling mud, crumb hydrocarbon analysis method.

Background technology is present, and in the geochemical logging evaluation procedure, what analyzed all is rock sample.Owing to adopt new drilling tool, make chip sample be difficult for selecting, cause certain difficulty to evaluation.The present invention adopts a kind of mud, crumb hydrocarbon analysis method exactly, can carry out the geochemical logging evaluation analysis by drilling mud, bits.

Summary of the invention in drilling process, when drill bit after the subsurface rock fragmentation because the part rock is ground into tiny particle, and be suspended among the mud; Because the change of conditions such as temperature, pressure; flowing materials such as the oil in rock particles or the stratum, gas; by overflow, mode such as diffusion; be blended in the drilling mud and go; and the oily abundance is high more in the stratum; or the particle that is fractured into of rock is when tiny more, and gas concentration entrained in the cutting grain or in the mud is also high more.Therefore, can be according to gas concentration and pyrolysis characteristics thereof in cutting grain or the mud, the research formation rock contains abundance of organic matter, character and oily abundance and oily weight etc.

Measuring principle: the temperature programme heated sample, carry hydrocarbons with inert gas, with the online detection by quantitative gaseous hydrocarbon of FID, evaporation hydrocarbon, cracking hydrocarbon.

Concrete assay method is as follows: mud, bits sample are put into crucible 1, push pyrolysis oven 2 by sample feeding rod, mud, bits sample are heated.2 li of pyrolysis ovens, mud, bits sample are heated to 90 ℃ from room temperature, carrier gas enters No. one comparator 5 by T-valve 4 and detects S ₀Value enters data processing equipment 8; Switch by T-valve 4 and to enter No. two comparators 7 after carrier gas separated by capillary column 6 and detect S ₀Component, also enter data processing equipment 8.2 li of pyrolysis ovens, mud, bits sample are heated to 100 ℃ from 90 ℃ again, in this heating process, carry out draining by de-watering apparatus 3, make sample solidifies.Sample after solidifying is continued heat temperature raising, be heated to 300 ℃ from 100 ℃, in this heating process, carrier gas enters No. one comparator 5 by T-valve 4 and detects S ₁Value enters data processing equipment 8; Switch by T-valve 4 and to enter No. two comparators 7 after carrier gas separated by capillary column 6 and detect S ₁Component, also enter data processing equipment 8.Sample after solidifying is continued heat temperature raising again, be heated to 600 ℃ from 300 ℃, carrier gas enters No. one comparator 5 by T-valve 4 and detects S ₂Value and S ₂Summit temperature Tmax, enter data processing equipment 8.

The present invention can be widely used in each php slurry, bits check and analysis, has advantages such as accuracy of detection height, analysis speed are fast, safety, convenience, the difficult loss of sample.

Description of drawings Fig. 1 is drilling mud, crumb hydrocarbon analysis method synoptic diagram, among the figure: 1 crucible, the 2nd, pyrolysis oven, the 3rd, de-watering apparatus, the 4th, T-valve, 5 are No. one comparators, the 6th, capillary column, 7 is No. two comparators, the 8th, data processing equipment.Fig. 2 is the S among the embodiment 2 ₀Component analysis figure.

Embodiment

Embodiment 1:

Carrier gas: nitrogen;

The volume of crucible 1: 34ml;

The power of pyrolysis oven 2: 1000W;

The model of T-valve 4: A2C3UWT;

Vacuum pump model in the de-watering apparatus 3 is F63078, PM2806-06:

Pyrolysis oven 2 temperature sections: survey S ₀It is 90 ℃; Temperature during draining is 100 ℃; Survey S ₁Temperature be 300 ℃; Survey S ₂Temperature be 300 ℃ of-600 ℃ of temperature programmes.

Experimental data:

Sample: the mud of Liaohe Oil Field well;

Analysis time: on January 8th, 2002;

Sequence number	Well depth	The sample classification	Weight	????S0	????S1	????S2	??Tmax	Remarks
Sequence number	Well depth	The sample classification	Weight	????S0	????S1	????S2	??Tmax	Remarks	??1	??2615	No. 1, the Liaohe River	??200	???0.017	??2.358	???2.036	??399
??2	??2632	No. 2, the Liaohe River	??200	???0.139	??2.034	???1.838	??389		??1	??2615	No. 1, the Liaohe River	??200	???0.017	??2.358	???2.036	??399
??2	??2632	No. 2, the Liaohe River	??200	???0.139	??2.034	???1.838	??389		??3	??2644	No. 3, the Liaohe River	??200	???0.021	??2.489	???2.170	??395
??4	??2654	No. 4, the Liaohe River	??200	???0.038	??2.616	???2.497	??410		??3	??2644	No. 3, the Liaohe River	??200	???0.021	??2.489	???2.170	??395
??4	??2654	No. 4, the Liaohe River	??200	???0.038	??2.616	???2.497	??410		??5	??2682	No. 5, the Liaohe River	??200	???0.030	??2.175	???2.112	??395
??6	??2712	No. 6, the Liaohe River	??200	???0.020	??1.684	???1.710	??383		??5	??2682	No. 5, the Liaohe River	??200	???0.030	??2.175	???2.112	??395
??6	??2712	No. 6, the Liaohe River	??200	???0.020	??1.684	???1.710	??383		??7	??2734	No. 7, the Liaohe River	??200	???0.028	??2.037	???2.242	??417

Embodiment 2:

Carrier gas: nitrogen;

The volume of crucible 1: 34ml;

The power of pyrolysis oven 2: 1000W;

The model of T-valve 4: A2C3UWT;

Vacuum pump model in the de-watering apparatus 3 is F63078, PM2808-06:

Pyrolysis oven 2 temperature: 90 ℃;

The model of capillary column 6: OV101;

Experimental data:

Sample: the mud of Jilin Oil Field well;

Analysis time: on March 18th, 2002;

Claims

1, a kind of drilling mud, crumb hydrocarbon analysis method, it is characterized in that: mud, bits sample are put into crucible (1), push pyrolysis oven (2) by sample feeding rod, mud, bits sample are heated, in pyrolysis oven (2) lining, mud, bits sample are heated to 90 ℃ from room temperature, and carrier gas enters No. one comparator (5) by T-valve (4) and detects S ₀Value enters data processing equipment (8); Switch by T-valve (4) and to enter No. two comparators (7) detection S after carrier gas separated by capillary column (6) ₀Component, also enter data processing equipment (8); In pyrolysis oven (2) lining, mud, bits sample are heated to 100 ℃ from 90 ℃ again, in this heating process, carry out draining by de-watering apparatus (3), make sample solidifies; Sample after solidifying is continued heat temperature raising, be heated to 300 ℃ from 100 ℃, in this heating process, carrier gas enters No. one comparator (5) detection S by T-valve (4) ₁Value enters data processing equipment (8); Switch by T-valve (4) and to enter No. two comparators (7) detection S after carrier gas separated by capillary column (6) ₁Component, also enter data processing equipment (8); Sample after solidifying is continued heat temperature raising again, be heated to 600 ℃ from 300 ℃, carrier gas enters No. one comparator (5) detection S by T-valve (4) ₂Value and S ₂Summit temperature Tmax, enter data processing equipment (8).