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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 41025-2021: Guidelines for disposal of abandoned coalbed methane well Status: Valid
Basic dataStandard ID: GB/T 41025-2021 (GB/T41025-2021)Description (Translated English): Guidelines for disposal of abandoned coalbed methane well Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: D20 Word Count Estimation: 13,156 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 41025-2021: Guidelines for disposal of abandoned coalbed methane well---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.Guidelines for disposal of abandoned coalbed methane well ICS 73:040 CCSD20 National Standards of People's Republic of China Guidelines for Disposal of Abandoned CBM Wells Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General principles 1 5 CBM Abandoned Well Plugging Operation 1 6 Construction and acceptance 5 7 Safety and environmental protection requirements5 8 Quality evaluation5 9 Record Archives 5 Appendix A (Informative) Design Report Form for Plugging and Disposal Engineering of CBM Abandoned Wells 6 Appendix B (Informative) Table Format of Basic Data for CBM Abandoned Well Plugging Operations forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Coal Industry Association: This document is under the jurisdiction of the National Coal Standardization Technical Committee (SAC/TC42): This document is drafted by: Shanxi Lanyan Coalbed Methane Group Co:, Ltd:, State Key Laboratory of Co-mining of Coal and CBM, Shanxi Lanyan Coalbed Methane Engineering Research Co:, Ltd: The main drafters of this document: Wang Yuhong, Chen Zhaoying, Guo Shengqiang, Bai Jianping, Mi Baichao, Zhang Diankun, Yang Changyong, Zhao Zhiyou, Wang Yupeng, Zhou Wenlong, Yin Zhinan, Qin Hui: Guidelines for Disposal of Abandoned CBM Wells1 ScopeThis document provides the general principles, plugging operations, construction and acceptance, safety and environmental protection requirements, quality evaluation and records for the disposal of abandoned coalbed methane wells: Guidelines for recording archives, etc: This document is applicable to the disposal operations of vertical and directional wells of coalbed methane:2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 31537 Coalbed Methane (Coal Mine Gas) Terms SY/T 5587:5 Conventional well workover procedures - Part 5: Wellbore preparation for downhole operations SY/T 5587:14 Conventional well workover procedures - Part 14: Injection plugs and drill plugs SY/T 6646 Guidelines for Disposal of Abandoned Wells and Long Stopped Wells3 Terms and DefinitionsGB/T 31537 and the following terms and definitions apply to this document: 3:1 Abandonedcoalbedmethanewel CBM wells that cannot be reused due to geological, engineering, economic, coal mining and environmental factors in the process of surface exploration and development of CBM: Note: It includes wells that have accidents and can no longer be dealt with, wells that are no longer producing after exploration, wells that fail to achieve expected benefits, and wells that have ended their gas production life, etc:4 General principles4:1 Reasonably dispose of coalbed methane abandoned wells to prevent potential safety hazards and environmental pollution caused by unreasonable disposal: 4:2 Isolate the hydraulic connection between the target layer of the CBM well, the aquifer and surface water, and prevent the water caused by the mutual channeling of formation fluids in different layers: Resource pollution: 4:3 Disposal of abandoned coalbed methane wells within the scope of coal mine rights should ensure safe mining of coal mines and prevent formation fluids from entering the coal seam through the wellbore lead to coal mine safety accidents: 4:4 Landform restoration shall be carried out on well sites that are no longer planned and constructed after the disposal of abandoned coalbed methane wells to meet the requirements of reclamation and greening: 5: CBM Abandoned Well Plugging Operation 5:1 Design Before plugging and disposing of abandoned coalbed methane wells, an engineering design report should be prepared, and the required data and design styles are shown in Appendix A: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 41025-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 41025-2021_English as soon as possible, and keep you informed of the progress. 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