GB/T 35210.2-2020 English PDF

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GB/T 35210.2-2020: Determination methods of methane isothermal adsorption of shale - Part 2: Gravimetric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35210.2-2020	209	Add to Cart	3 days	Determination methods of methane isothermal adsorption of shale - Part 2: Gravimetric method	Valid

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GB/T 9711   SY/T 6996   SY/T 10011   GB/T 33685   GB/T 35210.1   GB/T 35206   

Basic data

Standard ID: GB/T 35210.2-2020 (GB/T35210.2-2020)
Description (Translated English): Determination methods of methane isothermal adsorption of shale - Part 2: Gravimetric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E11
Classification of International Standard: 75.020
Word Count Estimation: 11,136
Date of Issue: 2020-12-14
Date of Implementation: 2021-07-01
Quoted Standard: GB/T 474; GB/T 29172
Regulation (derived from): National Standard Announcement No. 28 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the gravimetric method for the determination of shale methane isotherm adsorption. This standard is applicable to the determination of the adsorption capacity of shale for methane gas. Other rock types can be implemented by reference.

GB/T 35210.2-2020: Determination methods of methane isothermal adsorption of shale - Part 2: Gravimetric method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Shale methane isotherm adsorption determination method Part 2: Gravimetric method) ICS 75:020 E11 National Standards of People's Republic of China Method for determination of shale methane isotherm adsorption Part 2: Weight Method 2020-12-14 release 2021-07-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Preface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Method summary 1 5 Equipment and materials 2 6 Sample preparation 2 7 Test Step 2 8 Data processing 4 9 Rounding off 6 10 Quality requirements 6 11 Experiment report 6 Appendix A (informative appendix) Blank test to obtain sample frame volume and mass 7 Appendix B (informative appendix) shale gravimetric isotherm adsorption test report 8

Foreword

GB/T 35210 "Method for the determination of shale methane isothermal adsorption" is divided into two parts: ---Part 1: Volume method; ---Part 2: Weight method: This part is Part 2 of GB/T 35210: This section was drafted in accordance with the rules given in GB/T 1:1-2009: This part was proposed and managed by the National Natural Gas Standardization Technical Committee (SAC/TC244): Drafting organizations of this section: Wuxi Institute of Petroleum Geology, Petroleum Exploration and Development Research Institute of China Petroleum & Chemical Corporation, CNOOC Energy Yuan Development Co:, Ltd: Engineering Technology Branch, China National Petroleum Corporation Exploration and Development Research Institute, China Petroleum and Chemical Corporation Research Institute of Exploration and Development of Shengli Oilfield Branch Company, Northwest Institute of Eco-Environmental Resources, Chinese Academy of Sciences, Sichuan Keyuan Engineering Technology Technical testing center: The main drafters of this section: Yu Lingjie, Liu Youxiang, Xu Shuang, Zhou Shangwen, Wu Lianbo, Li Xiaofu, Li Jing, Fan Ming, Liu Xueqing, Bao Youshu, Qi Minghui and Liu Honglin: Method for determination of shale methane isotherm adsorption Part 2: Weight Method

1 Scope

This part of GB/T 35210 specifies the gravimetric method for the determination of shale methane isotherm adsorption: This section applies to the determination of shale adsorption capacity for methane gas, other rock types can be implemented by reference:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document: GB/T 474 Coal sample preparation method GB/T 29172 Core Analysis Method

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 Excessadsorption The amount of adsorption obtained directly from the experiment: 3:2 Absoluteadsorption Consider the amount of adsorption after correction for the density (or volume) of the adsorption phase, that is, the true adsorption amount: 3:3 Langmuir volume Maximum adsorption capacity VL Absolute adsorption capacity at infinite pressure: 3:4 Langmuirpressure PL The absolute adsorption capacity is the pressure corresponding to 1/2 the Ran's volume:

4 Method summary

Place the prepared shale sample in a sealed chamber, perform methane adsorption at a constant temperature and different pressure measurement points, and use a magnetic suspension balance The recorded mass change is used to obtain the mass of the adsorbed methane gas, and then the shale adsorption characteristic parameters are calculated according to the Langmuir theoretical model 1): And draw the adsorption isotherm curve: 1) The Langmuir theoretical model equation is one of the commonly used adsorption isotherm equations, which was developed by the physical chemist Langmuir Itying in 1916 Based on the molecular motion theory and some assumptions: Now widely used in adsorption: ......

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