本译本为国家能源局委托水电水利规划设计总院按照有关程序和规定，统一组织翻译的能源行业标准英文版系列译本之一。2021年12月22日，国家能源局以2021年第6号公告予以公布。
本译本是根据中国水利水电出版社出版的《水电工程钻探规程》NB/T 35115-2018翻译的，著作权归国家能源局所有。在使用过程中，如出现异议，以中文版为准。

1 General Provisions
2 Terms
3 Basic Requirements
4 Preparation Work
4.1 Operation Program
4.2 Selection of Equipment and Tools
4.3 Classification and Selection of Drill Bits
4.4 Site Preparation
5 Techniques and Methods of Exploration Drilling
5.1 Rotary Drilling
5.2 Percussive Drilling
5.3 Percussive-Rotary Drilling
5.4 Wire-Line Core Drilling
5.5 Directional Drilling
5.6 Large-Hole Drilling
6 Overwater Drilling
6.1 General Requirements
6.2 Floating Drilling Platform
6.3 Truss Drilling Platform
6.4 Drilling on Ice
6.5 Offshore Drilling
7 Drilling Flushing Medium and Hole Wall Protection and Loss Shut-off
7.1 Drilling Flushing Medium
7.2 Hole Wall Protection and Loss Shut-Off
8 Coring and Sampling
8.1 Coring
8.2 Sampling
8.3 Core (Sample) Protection
9 Test and Testing in the Hole
9.1 Hydrogeological Observation
9.2 Hydrogeological Test
9.3 Engineering Geological Testing
10 Prevention and Treatment of Downhole Trouble
10.1 Downhole Trouble Prevention
10.2 Downhole Trouble Treatment
11 Acceptance and Quality Assessment
11.1 Quality of Exploration Drilling
11.2 Acceptance of Exploration Drilling
11.3 Quality Assessment of Exploration Drilling
12 Safe Production
12.1 General Requirements
12.2 Safety Requirement for Drill Site
12.3 Safety Requirements for Drilling Operation
12.4 Safety Requirement for Overwater Drilling
Appendix A Rock Drillability Classification
Appendix B Measurement and Calculation of Oriented Core Parameters
Appendix C Work Log of Exploration Drilling
Appendix D Acceptance Form of Borehole
Appendix E Quality Assessment Form of Borehole
Appendix F Evaluation of Drilling Quality
Explanation of Wording in This Specification
List of Quoted Standards