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DZ/T 0250-2010 English PDF

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DZ/T 0250-2010: Specifications for coalbed methane drilling engineering
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PDF similar to DZ/T 0250-2010


Standard similar to DZ/T 0250-2010

YS/T 514.1   DZ/T 0207   DZ/T 0213   

Basic data

Standard ID DZ/T 0250-2010 (DZ/T0250-2010)
Description (Translated English) Specifications for coalbed methane drilling engineering
Sector / Industry Geological Industry Standard (Recommended)
Classification of Chinese Standard D15
Classification of International Standard 73.020
Word Count Estimation 25,269
Date of Issue 2011-01-13
Date of Implementation 2011-03-01
Quoted Standard GB/T 8978; GB/T 11651; SY/T 5089; SY/T 5172; SY/T 5272; SY/T 5322; SY/T 5333; SY/T 5334; SY/T 5358; SY/T 5396; SY/T 5411; SY/T 5412; SY/T 5526; SY/T 5618; SY/T 5672; SY/T 5678; SY/T 5724; SY/T 5876-1993; SY/T 5954; SY/T 5957; SY/T 5964; SY/T 6075; SY/T 6228-1996; SY/T 6283; SY/T 6426; SY/T 6543
Regulation (derived from) ?Ministry of Land and Resources Announcement (2011.1.13)
Issuing agency(ies) Ministry of Land and Resources
Summary This standard specifies the drilling engineering design, drilling preparation and acceptance, drilling engineering quality requirements, drilling operations, coalbed methane wells control requirements, coring construction operations, cementing job requirements, health, safety and environmental management (HSE) requirements, drilling Concurrent engineering data transfer requirements and the drilling and completion and acceptance ten content. This standard specification of the whole process of coal-bed methane drilling operations procedures and requirements. This standard applies to 1500m depth within the parameters of coalbed methane wells, design and production wells drilling vertical wells, , test well construction operations, project quality requirements, Information Concurrent and acceptance, etc., for the coal into gas, shallow wells, water Hirai drilling operations may refer to the standard content may refer to other executive deficiencies related to oil and gas industry standards.

DZ/T 0250-2010: Specifications for coalbed methane drilling engineering

---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.
Specifications for coalbed methane drilling engineering People's Republic of China geological mineral industry standard CBM drilling operation specification Published on.2011-01-13 2011-03-01 implementation Ministry of Land and Resources of the People's Republic of China

Content

Foreword III Introduction IV 1 Scope 1 2 Normative references 1 3 Drilling Engineering Design 2 3.1 Drilling Engineering Design Step 2 3.2 Drilling Engineering Design Book Format 2 3.3 Well structure design 2 3.4 Wellhead and well control device design 3 3.5 Drilling cycle media design 3 3.6 Drill string design 4 3.7 Cementing Engineering Design 5 3.8 Core Design 6 4 Preparation and acceptance before drilling 7 4.1 Preparation before drilling 7 4.2 Acceptance before drilling 7 5 Drilling Engineering Quality Requirements 7 5.1 Well quality 7 5.2 Cementing quality 8 5.3 Core quality 9 5.4 Completion quality 9 6 Drilling construction operations 10 6.1 Drilling operations and technical requirements 10 6.2 Coal seam drilling requirements 10 6.3 Drilling cycle medium performance monitoring and solid phase control 10 6.4 Complexity and incident handling 10 6.5 Drilling Well History 10 7 CBM well control requirements 11 7.1 Well Control Operation Requirements 11 7.2 Well Control Equipment Requirements 11 8 coring construction work (rope coring operation) 11 8.1 Site and personnel requirements 11 8.2 Drilling operation requirements 12 8.3 Core drilling requirements 12 8.4 Cutting operation requirements 12 8.5 Care operation requirements 12 8.6 Drilling and changing bit operation requirements 12 9 Cementing operation requirements 13 9.1 Casing preparation and operation 13 9.2 Cementing Construction Requirements 13 9.3 casing string pressure test requirements 13 10 Health, Safety and Environmental Management (HSE) Requirements 14 10.1 Health, Safety and Environmental Management Training and Management System 14 10.2 Health Management Requirements 14 10.3 Security Management Requirements 14 10.4 Environmental Management Requirements 14 11 Drilling and completion handover acceptance 15 11.1 Handover Acceptance Procedures 15 11.2 Handover acceptance content 15 11.3 Fill in the Drilling and Completion Handover Acceptance Book 15 12 Drilling Engineering Data Remittance Request 15 12.1 Information textual requirements 15 12.2 Design Information 15 12.3 Source 15 12.4 Results Materials 16 Appendix A (informative appendix) Schematic diagram of design steps for CBM drilling engineering Appendix B (informative appendix) Flow chart of well structure design 18 Appendix C (informative appendix) Matching relationship between casing and drill bit for coalbed methane drilling

Foreword

This standard is proposed and managed by the Ministry of Land and Resources. This standard is under the jurisdiction of the National Land Resources Standardization Technical Committee. This standard was drafted. Zhonglian Coalbed Methane Co., Ltd., China United Coalbed Methane National Engineering Research Center Co., Ltd. The main drafters of this standard. Wang Degui, Xian Bao, Lin Jianhao, Xu Fengyin, Zhang Yuan, Yang Nengyu, Guo Bingzheng, Wu Huaqiang, Wang Chufeng, Tang Xingzhi, Zhang Zhenghe, Bao Qingying. This standard is interpreted by the focal point.

Introduction

In recent years, the pace of exploration and development of coalbed methane in China has accelerated, and the number of coalbed methane wells has increased significantly, but due to coalbed methane and oil natural The gas reservoir characteristics and production mechanism are different, and there are some differences in the drilling engineering technology and process. In order to adapt to China's coalbed methane exploration Exploring the needs of development, standardizing coalbed methane drilling engineering design, engineering quality requirements, construction operations, well control requirements, safety, health, environmental management This standard is formulated for the purpose of ensuring the quality of the project and promoting the development of the industry. CBM drilling operation specification

1 Scope

This standard includes drilling engineering design, pre-drill preparation and acceptance, drilling engineering quality requirements, drilling construction operations, and coalbed methane well control. Seeking and coring construction work, cementing construction operation requirements, health, safety and environmental management (HSE) requirements, drilling engineering data remittance requirements and drilling Ten items, such as the completion and acceptance of well completion, standardize the procedures and requirements for the whole process of CBM drilling engineering. This standard is applicable to drilling design and construction operations of vertical wells such as CBM parameter wells, test wells and production wells with a depth of 1500m or less. Engineering quality requirements, data remittance and acceptance, etc., for coal-forming gas wells, shallow gas wells, horizontal well drilling operations can be referred to implementation, this standard The unfinished content can be implemented with reference to other relevant oil and gas industry standards.

2 Normative references

The provisions in the following documents constitute provisions of this standard by reference to this standard. At the time of publication, the editions indicated were valid. All documents will be revised and parties using this standard should explore the possibility of using the latest version of the following documents. GB/T 8978 sewage discharge requirements GB/T 11651 Personal protective equipment applicable specifications SY/T 5089 Drilling Well History and Class Report Format SY/T 5172 vertical well lower drilling tool combination design method SY/T 5272 Conventional Drilling Safety Technical Regulations SY/T 5322 casing string strength design method SY/T 5333 Drilling Engineering Design Format SY/T 5334 casing centralizer installation spacing calculation method SY/T 5358 sandstone reservoir sensitivity evaluation experimental method SY/T 5396 oil casing on-site acceptance method SY/T 5411 cementing construction design format SY/T 5412 casing operation procedure SY/T 5526 drilling equipment installation technology, proper operation and maintenance SY/T 5618 ferrule with floating hoop and floating shoes SY/T 5672 Basic rules for handling downhole accidents SY/T 5678 Drilling and Completion Handover Acceptance Rules SY/T 5724 casing string structure design SY/T 5876-1993 Petroleum drilling team safety production inspection regulations SY/T 5954 Pre-drilling acceptance project and requirements SY/T 5957 Wellsite Electrical Installation Technical Requirements SY/T 5964 well control device combination specification SY/T 6075 Fundamental data for evaluating the compatibility of well fluids with multiple layers SY/T 6228-1996 Recommended method for occupational safety of oil and gas well drilling and workover operations SY/T 6283 Oil and Gas Drilling Health, Safety and Environmental Management System Guide SY/T 6426 Drilling Well Control Technical Regulations

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