GB/T 31456-2015 English PDF

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GB/T 31456-2015: Technical specification for surface oil and gas geochemical exploration
Status: Valid

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Basic data

Standard ID: GB/T 31456-2015 (GB/T31456-2015)
Description (Translated English): Technical specification for surface oil and gas geochemical exploration
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E11
Classification of International Standard: 75.010
Word Count Estimation: 27,210
Date of Issue: 2015-05-15
Date of Implementation: 2015-08-01
Quoted Standard: GB/T 958; GB/T 29173; DZ/T 0075; SY/T 5927
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 oil and gas surface geochemical exploration mission, technical requirements and all aspects of the work program. This Standard is suitable for onshore oil and gas geochemical exploration, offshore oil and gas geochemical exploration work refer to this standard use.

GB/T 31456-2015: Technical specification for surface oil and gas geochemical exploration

---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.
Technical speclfication for surface oil and gas geochemical exploration ICS 75.010 E11 National Standards of People's Republic of China Oil and Gas Surface geochemical exploration technology specification Issued on. 2015-05-15 2015-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Working Phases 1 4.1 1 reconnaissance 4.2 census 2 4.3 sift 2 PRECISE 2 4.4 5 OIL AND GAS EXPLORATION design 2 5.1 Design Geology 2 5.2 Design of Construction 6 4 field work 6.1 points and deployment requirements 4 6.2 Sample collection methods and requirements 4 6.3 sampling point and observation catalog 6 6.4 original records inspection and field data compilation 6 6.5 fieldwork quality inspection and acceptance 6 7 Sample 7 Disposal 7.1 transfer of field samples 7 7.2 Sample Preparation 7 7.3 Transfer of samples 8 7.4 subsamples save the waste soil (rock) samples 8 8 samples were measured 8 8.1 Determination of Item 8 8.2 Test Requirements 9 9 Data processing and compilation of FIG. 9 9.1 Data Entry 9 9.2 data processing and data compilation 9 9.3 maps compiled 11 10 comprehensive interpretation and evaluation 11 10.1 index (parameter) screening and analysis 11 10.2 Influencing Factors 11 10.3 Exception known pattern analysis 12 10.4 Anomaly Analysis and Research 12 10.5 Comprehensive abnormal levels of classification and evaluation 12 Write 1211 results report 11.1 report writing requirements 12 11.2 main Report 12 Appendix A (normative) OIL AND GAS EXPLORATION about the quantization parameter 14 Appendix B (normative) soil (rock) sample record card 17 Annex C (normative) water chemistry sampling record card 18 Annex D (normative) gas sampling record card 19 Appendix E (normative) soil field naming method 20 Annex F (informative) field samples EIR 21 Annex G (informative) OIL AND GAS EXPLORATION single sample to send samples 22

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 is mainly drafted by. Wuxi Institute of Petroleum Geology Research Institute of Petroleum Exploration and Development Co., Ltd. China Petroleum & Chemical. Participated in the drafting of this Standard. China Geological Survey Bureau of Petroleum Resources Research Center, Qingdao Institute of Marine Geology China Geological Survey, Geophysical and Geochemical Exploration Institute, Chinese Academy of Geological Sciences, China Petroleum Group Geophysical Exploration Co., Ltd. The main drafters of this standard. Zhaoke Bin, Li Wu, Tang Yuping, Sun Changqing, with Cheng Jin, Hua Xia ring, Li Shuanglin, the Kingdom built Zhuhuai Ping, Wu Chuanzhi, Sunzhong Jun, cable filial East. Oil and Gas Surface geochemical exploration technology specification

1 Scope

This standard specifies the surface geochemical exploration of oil and gas (hereinafter referred to as oil and gas geochemical) tasks, work procedures and various aspects of the technology Surgery requirements. This standard is suitable for onshore oil and gas geochemical exploration, marine oil and gas exploration work refer to this standard use.

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. GB/T 958 regional geological map legend GB/T 29173 oil and gas geochemical exploration sample measurement method DZ/T 0075 Figure type geochemical exploration, legends and standard colors SY/T 5927 Petroleum Exploration Global Positioning System (GPS) measurement specification

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Surface Interference with surfaceinterferencezone And the presence of near-surface atmospheric layer of soil material exchange. 3.2 Geochemical landscape geochemicallandscape Having surface features consistent geomorphic units. NOTE. Appendix B, column 14 shows the call of these landforms. 3.3 Abnormal contrast anomalycontrast Geochemical anomaly index value ratio and overall strength mean, characterization of geochemical anomalies significant degree. 3.4 Late superimposed strength intensityoflatesuperimposition The overall average of geological and geochemical indicators of normal mathematical expectation index content than the background values.

4 Working Phases

4.1 reconnaissance Task is to investigate geochemical characteristics, geological and geophysical data to predict Basin oil and gas prospects for early evaluation mention basin Available basis. Shall meet the following requirements. ......

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