NB/T 11125-2023 English PDFUS$389.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. NB/T 11125-2023: Specification for hydraulic fracturing technical program design of gas drainage hole in coal mine Status: Valid
Basic dataStandard ID: NB/T 11125-2023 (NB/T11125-2023)Description (Translated English): Specification for hydraulic fracturing technical program design of gas drainage hole in coal mine Sector / Industry: Energy Industry Standard (Recommended) Classification of Chinese Standard: D15 Classification of International Standard: 73.020 Word Count Estimation: 17,196 Date of Issue: 2023-02-06 Date of Implementation: 2023-08-06 Issuing agency(ies): National Energy Administration NB/T 11125-2023: Specification for hydraulic fracturing technical program design of gas drainage hole in coal mine---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. ICS 73:020 CCSD15 People's Republic of China Energy Industry Standards Hydraulic fracturing of underground gas drainage holes in coal mines Specifications for technical scheme design Released on 2023-02-06 2023-08-06 Implementation Released by the National Energy Administration table of contentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Data preparation 1 4:1 Geological data 1 4:2 Mine Production Data 2 4:3 Fracturing hole data 2 5 Design content and requirements 2 5:1 Well completion design 2 5:2 Fracturing method 2 5:3 Selection of fracturing fluid 2 5:4 Design of fracturing parameters 2 5:5 Selection of fracturing equipment 4 5:6 Sealing method and requirements 4 5:7 Fracturing construction design 4 6 Safety technical requirements 5 6:1 Requirements for preventing and controlling coal and gas outbursts 5 6:2 Quality, safety, health and environmental protection requirements 5 6:3 Fracturing safety plan 5 6:4 Construction organization and quality control 5 7 Fracturing scheme design book 5 Appendix A (Informative) Fracturing construction site data collection format 6 Appendix B (Informative) Fracture Curve Example Figure 10 Appendix C (Informative) Fracturing Scheme Design Outline 11 Reference 12forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document was proposed by the China Coal Industry Association: This document is under the jurisdiction of the National Coal Standardization Technical Committee (SAC/TC42): This document is drafted by: China Coal Science and Industry Group Xi'an Research Institute Co:, Ltd:, Shaanxi Shaanxi Coal Hancheng Mining Co:, Ltd:, Huayang New Materials Division Technology Group Co:, Ltd: The main drafters of this document: Mou Quanbin, Jiang Zaibing, Wu Jie, Yan Zhiming, Shu Jiansheng, Chen Zhisheng, Li Guihong, Du Tianlin: Hydraulic fracturing of underground gas drainage holes in coal mines Specifications for technical scheme design1 ScopeThis document specifies the data preparation, design content and requirements, and safety technology for the hydraulic fracturing technical scheme design of underground gas drainage holes in coal mines: Requirements, format of fracturing scheme design book: This document is applicable to the technical scheme design of hydraulic fracturing for underground gas drainage holes in coal mines:2 Normative referencesThe contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 30050 Coal Body Structure Classification GB 50471 Coal Mine Gas Drainage Engineering Design Standards AQ1023 General safety technical requirements for low-voltage power supply systems and equipment in coal mines AQ1027 Coal mine gas drainage specification AQ1028 Coal mine underground mining ventilation technical conditions AQ1029 Coal mine safety monitoring system and testing equipment use management specification AQ6201 General Technical Requirements for Coal Mine Safety Monitoring System3 Terms and DefinitionsThe following terms and definitions apply to this document: 3:1 Under the coal mine, the fracturing equipment is used to inject fracturing fluid into the target formation under high pressure through the borehole to rupture the formation and form a certain flow-conducting capacity: A technological measure of cracks: 3:2 Integral fracturing The fracturing method is to treat the fracturing hole as a whole section and complete the fracturing at one time: 3:3 Multistage fracturing multistagefracturing A fracturing method in which multiple independent fracturing segments are formed in the fracturing hole and the fracturing is completed separately:4 Document preparation4:1 Geological data Including geological structure, coal seam thickness, buried depth, structure, occurrence, roof and floor lithology, mechanical test parameters, gas parameters, ground stress test data ...... |
