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GB/T 41164-2021 English PDF

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GB/T 41164-2021: Specifications technology for multistage fracturing in horizontal well within roof of broken-soft and low permeability coal seam
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PDF similar to GB/T 41164-2021


Standard similar to GB/T 41164-2021

GB/T 17766   YS/T 514.1   MT/T 1091   GB/T 13813   GB/T 41163   

Basic data

Standard ID GB/T 41164-2021 (GB/T41164-2021)
Description (Translated English) Specifications technology for multistage fracturing in horizontal well within roof of broken-soft and low permeability coal seam
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D15
Word Count Estimation 16,163
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 41164-2021: Specifications technology for multistage fracturing in horizontal well within roof of broken-soft and low permeability coal seam


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Specifications technology for multistage fracturing in horizontal well within roof of broken-soft and low permeability coal seam ICS 73:020 CCSD15 National Standards of People's Republic of China Staged fracturing of horizontal wells on roof of crushed soft and low permeability coal seam specifications Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Staged fracturing scheme design 2 5 Staged fracturing operation 4 6 Fracturing effect evaluation 5 Appendix A (Informative) Schedule Format 7 for Fracturing Plan Design of Horizontal CBM Wells Appendix B (informative) Outline of Compilation of CBM Horizontal Well Fracturing Construction Design Document 11 Appendix C (Informative) Outline of Compiling Summary Report on Fracturing Construction of CBM Horizontal Wells 12

foreword

This 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: China Coal Science and Industry Group Xi'an Research Institute Co:, Ltd: The main drafters of this document: Xu Yaobo, Zhang Peihe, Zhang Qun, Du Xinfeng, Jiang Wenping, Zheng Yuzhu, Wu Jing, Xu Jianjun, Wang Jing, Du Zhiqiang, Gong Zewen and Zhu Wenxia: Staged fracturing of horizontal wells on roof of crushed soft and low permeability coal seam specifications

1 Scope

This document specifies the design, construction operation and fracturing effect evaluation of the staged fracturing scheme for horizontal wells on the roof of the coal seam used for the extraction of coalbed methane: requirements: This document is applicable to the staged fracturing of horizontal wells on the roof of coal seams of crushed soft and low permeability coal seams, and the horizontal wells or floor of coal seams of other coal structures: Horizontal well staged fracturing can be used as a reference:

2 Normative references

The 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: NB/T 14002:2 Shale Gas Reservoir Reconstruction Part 2: Technical Specification for Factory Fracturing Operation NB/T 14002:4 Shale Gas Reservoir Stimulation Part 4: Recommended Practice for Horizontal Well Pumping Bridge Plug-Perforation Combined Technology NB/T 14002:5 Shale Gas Reservoir Stimulation Part 5: Operational Requirements for Drilling and Grinding Bridge Plugs in Horizontal Wells SY/T 5107 Water-based fracturing fluid performance evaluation method SY/T 5108 Test method for proppant performance for hydraulic fracturing and gravel packing operations SY/T 5289 Oil, gas and water well fracturing design and construction and effect evaluation method SY/T 5587:5 Conventional well workover procedures - Part 5: Wellbore preparation for downhole operations SY/T 5727 Safety Regulations for Downhole Operation SY/T 6253 Technical Specification for Perforating Operation in Horizontal Wells SY/T 6302 Fracturing proppant conductivity test method SY/T 6610 Safety Specification for Underground Workplaces in Hydrogen Sulfide Environment SY/T 6690 Well Control Technical Regulations for Downhole Operations SY/T 7014 Staged fracturing tool SY/T 7372 Microseismic Surface Monitoring Technical Regulations

3 Terms and Definitions

The following terms and definitions apply to this document: 3:1 Broken-soft and low-permeability coal seam Under the action of geological tectonic movement, the coal seam is rubbed, squeezed and deformed, and the structure of the coal body is destroyed into fragments, granular, powder, etc: It is scaly and compacted under the action of the overlying strata, resulting in a coal seam with low permeability: 3:2 Top plate horizontal well horizontalwelwithinroof Horizontal well trajectory is a horizontal well deployed in the roof strata of a coal seam:

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