GB/T 31483-2015 English PDF

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GB/T 31483-2015: Geological evaluation methods for shale gas
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Basic data

Standard ID: GB/T 31483-2015 (GB/T31483-2015)
Description (Translated English): Geological evaluation methods for shale gas
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E11
Classification of International Standard: 75.010
Word Count Estimation: 11,187
Date of Issue: 2015-05-15
Date of Implementation: 2015-10-01
Quoted Standard: SY/T 5336; SY/T 5368; SY/T 5440
Regulation (derived from): National Standard Announcement 2015 No. 15
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the definition of shale gas, geological evaluation of the content, method and parameters. This Standard applies to shale gas exploration and development of geological evaluation.

GB/T 31483-2015: Geological evaluation methods for shale 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 evaluation methods for shale gas ICS 75.010 E11 National Standards of People's Republic of China Shale gas geological evaluation method Issued on. 2015-05-15 2015-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the National Standardization Technical Committee of Oil and Gas (SAC/TC355) and focal points. This standard was drafted. China Planning Institute of Petroleum Resources Petroleum Exploration and Development Research Institute, PetroChina Southwest Oil and Gas Field Branch of Chinese exploration Development Research Institute, Sinopec China Petroleum Exploration and Development Research Institute, Southwest Petroleum University. The main drafters of this standard. to Zou, Dong Dazhong, Wang Man, Huangxu Nan, Li Jianzhong, Li Xinjing, Huang Jinliang, WANG Shu-fang, the whole tube, Chen rehabilitated, Wang Lansheng, Wangshi Qian, Zhang Jian, Xiang Longsheng, Zong whole, Wu Xiaoling, Zhao Jinzhou, Jiangyu Jiang, Wang Zhi.

Introduction

Shale gas has become the world's natural gas exploration and development of important new fields. China shale gas resource potential is large, it has made shale gas Industrial production test pilot, but the shale gas exploration and development is still at an initial stage. In order to regulate shale gas geological evaluation methods, and then to China shale gas exploration and development policy development, scientific research, the results provide the basis for evaluation standard is formulated to meet the Chinese shale gas development It needs. Shale gas geological evaluation method

1 Scope

This standard specifies the definition of shale gas, geological evaluation of the content, method and parameters. This standard applies to shale gas exploration and development of geological evaluation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. SY/T 5336 core analysis methods SY/T 5368 rock thin section SY/T 5440 Gas Well Testing Specification

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Shale gas shalegas Shale gas is natural gas free state, adsorbed mainly occurs in organic-rich shale section, the upper body is self-generating and self storage, the Omo Plot continuous gas accumulation. Under overburden pressure conditions, the shale matrix permeability is generally less than or equal to 0.001 × 10-3μm2, generally no single well Natural production capacity needs to get through certain technical measures industrial air. 3.2 Shale shale Particle size less than 0.0625mm from the debris, clay, organic matter, etc., with foliation, friable fine-grained sedimentary rocks. 3.3 Organic-rich shale organic-richshale Organic carbon content of marine rocks more than 2.0%, 1% more than other types of dark shale. 3.4 Organic-rich shale intervals organic-richshaleinterval Organic-rich shales and organic-rich shales and siltstone, fine sandstone, carbonate rocks thin interlayer stratigraphic units. Note. The Mezzanine thin layer thickness of not more than 1m, cumulative thin interlayer thickness ratio of the total thickness of the rock section of the page is less than 20%. 3.5 Matrix permeability in-situmatrixpermeability Without using crack shale core (matrix) in the net effect of the overburden rock pressure measurement of permeability.

4 shale gas geological evaluation method

4.1 Screening and preparation of rock samples Drilling and coring program wellsite core processing performed by the SY/T 5336, outcrop sampling program and on-site rock samples processed in SY/T 5368 Executive ......

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