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Rock sample centrifugal sample-dissolving method

A rock sample and sample dissolution technology, which is applied in the field of rock sample centrifugal dissolution, can solve the problems of inaccurate rock sample measurement, achieve the effects of solving inaccurate measurement, improving reaction accuracy, and avoiding leakage

Inactive Publication Date: 2017-05-31
CHINA SHENHUA ENERGY CO LTD +1
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a method for centrifugally dissolving rock samples to solve the problem of inaccurate rock sample measurement in the prior art

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Embodiment Construction

[0020] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0021] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0022] For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encomp...

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Abstract

The invention provides a rock sample centrifugal sample-dissolving method. The method comprises: adding a predetermined mass of rock sample into a reaction chamber of a centrifugal pickling device; opening the centrifugal acid pickling device and gradually dropping the acid liquid into the reaction chamber to make the acid liquid react with the rock sample; after the reaction, weighing the rock samples which do not participate in the reaction and calculating according to the rock samples which do not participate in the reaction. The technical solution of the invention effectively solves the problem of inaccurate measurement of rock samples in the prior art.

Description

technical field [0001] The invention relates to the technical field of measuring the composition of rock samples, in particular to a method for centrifugally dissolving rock samples. Background technique [0002] In the current oil and gas development process, the determination of total organic carbon in sedimentary rocks is an important index for reservoir evaluation. During the measurement process, the inorganic salts in the sample are taken out with dilute hydrochloric acid, burned in a high-temperature oxygen flow, and the total organic carbon is converted into carbon dioxide, which is detected by an infrared detector and the content of the total organic carbon is given. [0003] In the process of evaluating reservoir rocks in this experiment, it is necessary to put the rock sample powder into a special porcelain crucible for carbon and sulfur analysis, place it on an electric heating plate at 60°C to 80°C, and continuously add excess hydrochloric acid solution slowly, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
CPCG01N1/28
Inventor 林中月王延忠马俯波符超王向浩韩志芳
Owner CHINA SHENHUA ENERGY CO LTD
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