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GB/T 33684-2025: Technical specification for seismic data interpretation of petroleum
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GB/T 33684-2025	English	839	Add to Cart	6 days [Need to translate]	Technical specification for seismic data interpretation of petroleum
GB/T 33684-2017	English	759	Add to Cart	6 days [Need to translate]	Technical specification of seismic data interpretation

GB/T 33684-2025: Technical specification for seismic data interpretation of petroleum

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ICS 75.180.10 CCSE11 National Standards of the People's Republic of China Replaces GB/T 33684-2017 Technical Specifications for Interpretation of Petroleum Seismic Exploration Data Published on 2025-10-05 Implemented on May 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 1 4.Foundational Work 3 4.1 Basic Data Collection 3 4.2 Basic Data Check 3 4.3 Seismic data quality classification for the target section 5 5.Seismic Interpretation Technology Design 6.Structural Interpretation of Seismic Data 5 6.1 Seismic Reflection Geological Latitude Determination 5 6.2 Structural Interpretation of 2D Seismic Data 7 6.3 Structural Interpretation of 3D Seismic Data 8 6.4 Construction Drawing Preparation 9 6.5 Quality Check of Seismic Data Structural Interpretation 11 7 Sequence Stratigraphy Interpretation 12 7.1 Data Preparation 12 7.2 Basic Work 12 7.3 Contents of Sequence Stratigraphic Interpretation Studies 12 7.4 Technical Requirements for Sequence Stratigraphy Interpretation 13 7.5 Sequence Stratigraphic Interpretation Map 13 7.6 Quality Check of Seismic Sequence Stratigraphy Interpretation 13 8.Reservoir Prediction 14 8.1 Data Preparation 14 8.2 Basic Work 14 8.3 Seismic Attribute Analysis 15 8.4 Azimuth Anisotropy Analysis 16 8.5 Seismic Inversion 16 8.6 Comprehensive Reservoir Evaluation 17 8.7 Result Drawings 18 8.8 Quality Inspection of Reservoir Prediction Results 18 9.Description and evaluation of closed and dessert elements (18) 9.1 Elements of Trap Description 18 9.2 Dessert Description Elements 19 9.3 Evaluation Content 19 9.4 Evaluation Technical Requirements 20 9.5 Closed and Dessert Description Illustrations 20 9.6 Drawing quality inspection 20 10 Comprehensive Geological Research 21 10.1 Basic Requirements 21 10.2 Structural Feature Analysis 21 10.3 Stratigraphic and Sedimentary Characteristics Analysis 21 10.4 Analysis of Hydrocarbon Accumulation Conditions 21 10.5 Deployment Recommendations 21 11.Contents of the Results Report 22 11.1 Project Overview 22 11.2 Structural Interpretation of Seismic Data 22 11.3 Sequence Stratigraphic Interpretation of Seismic Strata 22 11.4 Reservoir Prediction 22 11.5 Comprehensive Geological Evaluation 22 11.6 Conclusions and Recommendations 22 11.7 Main References 23 11.8 Appendix Figures and Table 23 12 Results submitted 23 12.1 Submission Content 23 12.2 Archiving Requirements 23 Appendix A (Informative) Seismic Data Interpretation Quality Check 24 Appendix B (Informative) Format 33 of the Responsibility Table for Deliverables and Maps Appendix C (Normative) Drilling Compliance Check of Construction Diagrams 34 C.1 Drilling Depth Inspection 34 C.2 Structural Morphology Inspection 35 C.3 Fault Examination 35 C.4 Comprehensive Drilling Compliance Inspection 36

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document replaces GB/T 33684-2017 "Technical Specification for Interpretation of Seismic Exploration Data". Compared with GB/T 33684-2017, except for the conclusion... Aside from structural adjustments and editorial changes, the main technical changes are as follows. a) The content of "Terms and Definitions" has been changed (see Chapter 3, Chapter 3 of the.2017 edition); b) Some content in the "Basic Work" section has been changed (see Chapter 4, 4.1, 4.2, 4.5, and 4.6 in the.2017 edition), and manual explanations have been removed. (See 4.2.2 and 4.2.3 in the.2017 edition) and the naming of seismic reflection horizons (see 4.4 in the.2017 edition); c) Added content on "Seismic Interpretation Technology Design" (see Chapter 5); d) The content of "Structural Interpretation of Seismic Data" has been revised (see Chapter 6, 4.3, Chapter 5, and Chapter 6 of the.2017 edition); e) Added technical requirements and quality control content for "seismic sequence stratigraphy interpretation" (see Chapter 7); f) The section on "Confirmation of the Rationality of Geological Interpretation of Seismic Data" has been removed (see Chapter 7 of the.2017 edition); g) The section on "Drilling Compliance Check of Structural Diagrams" has been removed (see Chapter 8 of the.2017 edition); h) Added technical requirements and quality inspection content for "reservoir prediction" (see Chapter 8); i) Added content, technical requirements, and quality control details for "Description and Evaluation of Closed-Circle and Dessert Elements" (see Chapter 9); j) The content of "Comprehensive Geological Studies" has been revised (see Chapter 10, Chapter 12 in the.2017 edition); k) The section on "Seismic Data Interpretation Quality Check" has been removed (see Chapter 13 in the.2017 edition); l) The content of "Content for Writing the Results Report" has been changed (see Chapter 11, Chapter 14 of the.2017 edition); m) The content of "Submission of Results" has been changed (see Chapter 12, Chapter 15 in the.2017 edition); n) An Appendix C (Normative) "Conformity Check of Construction Diagram Drilling" has been added (see Appendix C). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed and is under the jurisdiction of the National Technical Committee on Standardization of Petroleum and Natural Gas (SAC/TC355). This document was drafted by. China National Petroleum Corporation Eastern Geophysical Exploration Co., Ltd., and China National Petroleum Corporation. North China Oilfield Branch, Sinopec Petroleum Geophysical Technology Research Institute Co., Ltd., China Petroleum & Chemical Corporation Northwest Oilfield Branch CNOOC Research Institute Co., Ltd., China University of Petroleum (East China). The main drafters of this document are. Han Yuchun, Chen Zhigang, Zhang Hongwei, Chang Deshuang, Cui Qingwen, Li Jianhua, Zhang Wanfu, Sun Xing, Ma Hui, and Zhao Qian. Liu Dongmin, Liu Xiheng, Yang Jiangfeng, Li Zongjie, Zhang Jinmiao, Huang Shengbing, Yin Xingyao. This document was first published in.2017, and this is its first revision. Technical Specifications for Interpretation of Petroleum Seismic Exploration Data

1 Scope

This document specifies the basic work, seismic interpretation technology design, and seismic... Data structural interpretation, seismic sequence stratigraphy interpretation, reservoir prediction, trap and sweet spot element description and evaluation, comprehensive geological research, and report writing. Requirements for content and deliverables submission. This document applies to the interpretation of two-dimensional and three-dimensional seismic data in the oil and gas exploration and development industry. It also applies to solid mineral surveys and geothermal resource exploration. This can be used as a reference in areas such as exploration and gas storage site selection.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 8423.1 Terminology for the Oil and Gas Industry - Part 1.Exploration and Development GB/T 8423.2 Terminology for the Petroleum and Natural Gas Industry Part 2.Engineering Technology GB/T 18190 Oceanographic Terminology - Marine Geology GB/T 33583 Technical Specification for Seismic Data Acquisition in Onshore Petroleum Exploration GB/T 33685 Technical Specification for Seismic Exploration Data Processing GB/T 43126 Technical Specification for Geological Sweet Spot Evaluation of Shale Oil SY/T 5331 Specification for Elements of Petroleum Seismic Exploration Interpretation Maps SY/T 5520 Technical Specification for Enclosure Evaluation SY/T 5615 Specifications and Symbols for Geological Mapping of Petroleum and Natural Gas SY/T 5735 Geochemical Evaluation Methods for Hydrocarbon Source Rocks

3 Terms and Definitions

The definitions in GB/T 8423.1, GB/T 8423.2, GB/T 18190, GB/T 33583, GB/T 33685 and SY/T 5735 and The following terms and definitions apply to this document. 3.1 In-phase axis seismicevent Lines connecting the same phase of each wave in the earthquake record. 3.2 When conducting geological exploration using seismic reflection waves, stratigraphic units are defined based on the characteristics of the reflected waves. 3.3 Standard layer keybed; markerbed It has obvious and easily identifiable characteristic reflections (layers) on the seismic profile and exists over a large area in a single exploration zone. ...