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GB/T 30501-2022 English PDF

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GB/T 30501-2022: Geological evaluating methods for tight sandstone gas
Status: Valid

GB/T 30501: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 30501-2022	English	159	Add to Cart	3 days [Need to translate]	Geological evaluating methods for tight sandstone gas	Valid	GB/T 30501-2022
GB/T 30501-2014	English	399	Add to Cart	3 days [Need to translate]	Geological evaluating methods for tight sandstone gas	Obsolete	GB/T 30501-2014

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Basic data

Standard ID	GB/T 30501-2022 (GB/T30501-2022)
Description (Translated English)	Geological evaluating methods for tight sandstone gas
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	E11
Word Count Estimation	8,862
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 30501-2022: Geological evaluating methods for tight sandstone gas

---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.
Geological evaluating methods for tight sandstone gas ICS 75.010 CCSE11 National Standards of People's Republic of China Replacing GB/T 30501-2014 Tight sandstone gas geological evaluation method Published on 2022-03-09 2022-10-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document replaces GB/T 30501-2014 "Tight Sandstone Gas Geological Evaluation Method". Compared with GB/T 30501-2014, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows. --- Changed the limit range of gas reservoir classification based on permeability in sandstone reservoirs (see Chapter 4, Chapter 4 of the.2014 edition); --- Changed the way of classifying gas reservoirs by permeability in sandstone reservoirs (see Chapter 4, Chapter 4 of the.2014 edition). This document is proposed and managed by the National Petroleum and Natural Gas Standardization Technical Committee (SAC/TC355). This document is drafted by. China National Petroleum Corporation Exploration and Development Research Institute, China Petrochemical Corporation Southwest Oil and Gas Branch, China Petroleum and Chemical Corporation North China Oil and Gas Branch. Drafters of this document. Zou Caicai, Li Xizhe, Zhu Rukai, Wan Yujin, Li Jianzhong, Hu Yong, Shi Lei, Hui Kuanyang. This document was first published in.2014 and this is the first revision.

Introduction

Tight sandstone gas has become one of the important fields of unconventional natural gas exploration and development in the world. my country's tight sandstone gas resources have great potential, which is suitable for In response to the needs of natural gas development in my country, this document is specially formulated to standardize and guide the exploration and development of tight sandstone gas in my country, and to serve as a basis for policy formulation, scientific research Provide the basis for the evaluation of the results. Tight sandstone gas geological evaluation method

1 Scope

This document specifies the content, parameters and methods of tight sandstone gas and geological evaluation. This document is applicable to the geological evaluation of tight sandstone gas.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 29172 Core Analysis Method DZ/T 0217 Specification for calculation of oil and natural gas reserves SY/T 5440 Technical Specification for Well Testing of Natural Gas Wells SY/T 5579.2 Reservoir Description Method Part 2.Clastic Reservoirs SY/T 6285 Oil and Gas Reservoir Evaluation Method SY/T 6385 Determination method of rock porosity and permeability under overburden

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 tight sandstone gas tightsandstonegas Sandstone gas layers with overburden matrix permeability less than or equal to 0.1×10-3μm2 generally have no natural productivity or natural productivity of a single well is lower than The lower limit of industrial gas flow, but the output of industrial natural gas can be obtained under certain economic conditions and technical measures. Note 1.Typically, these measures include fracturing, horizontal wells, multilateral wells, etc. Note 2.The lower limit of industrial airflow is defined from DZ/T 0217. 3.2 Permeability measured using unfractured cores (matrix) under net overburden pressure.

4 Classification of sandstone gas reservoirs

The overburden matrix permeability (Kg) index was used to classify the sandstone reservoir gas reservoirs, as shown in Table 1. Table 1 Classification of sandstone reservoirs according to permeability Classification of hypertonicity, meso-tonicity, low-tonicity and ultra-lowtonicity Overburden matrix permeability Kg μm2 Kg >50×10-3 5×10-3< Kg ≤50×10-3 1×10-3< Kg ≤5×10-3 0.1×10-3< Kg ≤1×10-3 Kg≤0.1×10-3

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