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NB/T 11124-2023: Specification for coalbed methane extraction technical program design of staged hydraulic fracturing horizontal well in coal seam roof
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NB/T 11124-2023 | English | 269 |
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Specification for coalbed methane extraction technical program design of staged hydraulic fracturing horizontal well in coal seam roof
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NB/T 11124-2023
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Basic data | Standard ID | NB/T 11124-2023 (NB/T11124-2023) | | Description (Translated English) | Specification for coalbed methane extraction technical program design of staged hydraulic fracturing horizontal well in coal seam roof | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D15 | | Classification of International Standard | 73.040 | | Word Count Estimation | 11,172 | | Date of Issue | 2023-02-06 | | Date of Implementation | 2023-08-06 | | Issuing agency(ies) | National Energy Administration | NB/T 11124-2023: Specification for coalbed methane extraction technical program design of staged hydraulic fracturing horizontal well in coal seam roof
---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 73:040
CCSD15
People's Republic of China Energy Industry Standards
Coalbed Methane Extraction by Staged Fracturing in Horizontal Wells on Coal Seam Roof
Specifications for technical scheme design
Released on 2023-02-06
2023-08-06 Implementation
Released by the National Energy Administration
table of contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Materials required for design 2
4:1 Coal Mine Information 2
4:2 Adjacent well data 2
4:3 Surface data 2
5 Design content, methods and technical requirements 2
5:1 Considerations for well location deployment 2
5:2 Requirements for selection of drilling horizons in the horizontal section of horizontal wells 2
5:3 Horizontal well type 2
5:4 Drilling and Completion Design 3
5:5 Perforation method 5
5:6 Fracturing design 5
5:7 Drainage design 5
6 Health, Safety and Environmental Protection Requirements 5
7 Design Book 6
Appendix A (Informative) Outline of Design Document 7
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 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:, Shanxi Lanyan Coalbed Methane Group Co:, Ltd: and Huaibei Mine
Industry Co:, Ltd:
The main drafters of this document: Fan Yao, Zhang Qun, Jiang Zaibing, Li Bingang, Du Xinfeng, Li Haozhe, Pang Tao, Tian Yongdong, Wang Jianwen, Cheng Bin,
Yang Jianchao and Liu Lei:
Coalbed Methane Extraction by Staged Fracturing in Horizontal Wells on Coal Seam Roof
Specifications for technical scheme design
1 Scope
This document specifies the data required for the design of the coalbed methane technical scheme design by staged fracturing of the horizontal well on the roof of the coal seam, the design content, method and
Technical requirements, health, safety and environmental protection requirements:
This document is applicable to the technical scheme design of coalbed methane extraction by staged fracturing in horizontal wells on the roof of coal seams:
2 Normative references
The 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 31033 Oil and Gas Drilling Well Control Technical Specifications
GB/T 35053 Sealed coring method for determination of coalbed methane content
GB/T 40546 Code for Design of Coalbed Gas Well Drainage Engineering
GB/T 41164 Technical specifications for staged fracturing of horizontal wells on the roof of broken soft low permeability coal seams
DZ/T 0250 Coalbed Methane Drilling Operation Specification
NB/T 10001 Coal bed gas fracturing operation specification
NB/T 10021 Coalbed methane logging operation specification
SY/T 5435 Orientation Well Trajectory Design and Trajectory Calculation
SY/T 5480 Cementing Design Code
SY/T 5619 BHA design method for directional wells
SY/T 5724 Casing String Structure and Strength Design
SY/T 6276 Oil and Gas Industry Health, Safety and Environmental Management System
SY/T 6543 Technical Specification for Underbalanced Drilling
SY/T 6691 Open hole logging design specification
SY/T 6692 Technical Specifications for Logging While Drilling
SY/T 6922 Coalbed Methane Well Downhole Operation Safety Technical Specifications
SY/T 7070 Microseismic Borehole Monitoring Technical Regulations
SY/T 7372 Microseismic Ground Monitoring Technical Regulations
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
Under the action of geological tectonic movement, the coal seam is kneaded, squeezed and deformed, and the structure of the coal body is destroyed in the form of fragments, granules, powder,
A coal seam that is scaly and compacted by the overlying strata, resulting in low permeability:
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