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Acidolysis hydrocarbon reference material

A standard substance and technology of acid hydrolysis hydrocarbon, which is applied in the field of standard substance in the measurement of acid hydrolysis hydrocarbon, can solve problems such as difficult measurement results, unfavorable standardization of oil and gas geochemical prospecting market objects, difficult comparison of acid hydrolysis hydrocarbon data, etc., to facilitate arbitration Effect

Active Publication Date: 2009-12-23
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This situation makes it difficult to compare the acid hydrolysis data obtained by different exploration subjects and different exploration areas in the oil and gas geochemical exploration industry, and it is difficult to accurately calibrate different measuring instruments, and it is difficult to monitor the measurement results
This is not only not conducive to the development of oil and gas geochemical exploration technology itself, but also not conducive to the regulation of oil and gas geochemical exploration market objects.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Select the Luoji block in the Hefei Basin to collect near-surface soil samples with a sampling volume of 200kg and a sampling depth of 1.5-1.8m. The samples are crushed, ground, mixed and other processes to prepare soil samples that meet the test requirements of acid hydrolysis hydrocarbon standard samples. The prepared samples were tested by variance analysis method (F test method) and average value consistency test method (T test method), which proved that their uniformity and stability were good.

[0033] According to the relevant provisions of "Oil and Gas Geochemical Exploration Sample Determination Method - Part 1: Determination of Acid-lysis Hydrocarbons—Gas Chromatography (SY / T6009.1-2003)", the acid-lysis hydrocarbon samples were analyzed. Take 50g of a 40-mesh sample, slowly drop it into a dilute hydrochloric acid solution with a concentration of 1:6, react at a temperature of 40°C, and equilibrate for 20 minutes when there are no more bubbles, collect gas for...

Embodiment 2

[0035] 100 kg of near-surface soil samples were collected in the Luoji block of the Hefei Basin and the Tongxu block of the Zhoukou Basin, with a total sampling volume of 200 kg and a sampling depth of 1.5-1.8 m. The samples are crushed, ground, mixed and other processes to prepare soil samples that meet the test requirements of acid hydrolysis hydrocarbon standard samples. The prepared samples were tested by variance analysis method (F test method) and average value consistency test method (T test method), which proved that their uniformity and stability were good.

[0036] According to the relevant provisions of "Oil and Gas Geochemical Exploration Sample Determination Method - Part 1: Determination of Acid-lysis Hydrocarbons—Gas Chromatography (SY / T6009.1-2003)", the acid-lysis hydrocarbon samples were analyzed. Take 50g of a 40-mesh sample, slowly drop it into a dilute hydrochloric acid solution with a concentration of 1:6, react at a temperature of 40°C, and equilibrate f...

Embodiment 3

[0038] 200kg of near-surface soil samples were collected in the Tongxu block of the Zhoukou Basin at a sampling depth of 1.5-1.8m. The samples are crushed, ground, mixed and other processes to prepare soil samples that meet the test requirements of acid hydrolysis hydrocarbon standard samples. The prepared samples were tested by variance analysis method (F test method) and average value consistency test method (T test method), which proved that their uniformity and stability were good.

[0039] According to the relevant provisions of "Oil and Gas Geochemical Exploration Sample Determination Method - Part 1: Determination of Acid-lysis Hydrocarbons—Gas Chromatography (SY / T6009.1-2003)", the acid-lysis hydrocarbon samples were analyzed. Take 50g of a 40-mesh sample, slowly drop it into a dilute hydrochloric acid solution with a concentration of 1:6, react at a temperature of 40°C, and equilibrate for 20 minutes when there are no more bubbles, collect gas for gas chromatography a...

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Abstract

The acid-lysis hydrocarbon reference material disclosed in the present invention belongs to the technical field of measurement value transfer. In order to meet the current urgent need for acid-lysis hydrocarbon reference materials, an acid-lysis hydrocarbon reference material with accurate fixed value for geochemical analysis and testing is proposed. It has a uniform particle size of less than 40 mesh, and the content of acid hydrolyzed hydrocarbons is in the range of 8.97-280.9 μl / kg. Or the soil in the Tongxu block of the Zhoukou Basin is finely crushed, ground, and mixed. It is analyzed through a set of analysis methods, and a number of collaborative values ​​are determined at the same time. Finally, a series of standard rules are used to give the best value and uncertainty. The standard material of the present invention is used as a physical standard, so that many problems that cannot be solved at present have been solved, and the gap in the development of acid-hydrocarbon standard samples at home and abroad is filled.

Description

technical field [0001] The present invention relates to the technical field of measurement and test standard value transfer, more specifically, the present invention relates to a method for various geochemical analysis tests, which can be used as a method for acid hydrolysis hydrocarbon measurement in oil and gas geochemical exploration, soil investigation, and environmental investigation. standard substance. Background technique [0002] Acid hydrolysis method is one of the most commonly used methods in oil and gas geochemical exploration. The basic principle of this method is to separate the hydrocarbons (mainly occluded hydrocarbons) that exist in the carbonate mineral lattice of the soil sample and its cement by means of decompression, heating and chemical treatment (acid addition). Afterwards, its content was analyzed by gas chromatography. Long-term exploration practice shows that the acid hydrolysis method has good stability and has been widely used in oil and gas g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N31/00G01N1/38G01N35/00G01N21/17G01N30/00
Inventor 李武卢丽吴传芝王光华
Owner CHINA PETROLEUM & CHEM CORP