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NB/T 11145-2023: Geological evaluation method of coalbed methane exploration and development
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Geological evaluation method of coalbed methane exploration and development
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NB/T 11145-2023
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Basic data | Standard ID | NB/T 11145-2023 (NB/T11145-2023) | | Description (Translated English) | Geological evaluation method of coalbed methane exploration and development | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D10 | | Classification of International Standard | 73.040 | | Word Count Estimation | 19,125 | | Date of Issue | 2023-02-06 | | Date of Implementation | 2023-08-06 | | Issuing agency(ies) | National Energy Administration | NB/T 11145-2023: Geological evaluation method of coalbed methane exploration and development---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
CCSD10
People's Republic of China Energy Industry Standards
Geological evaluation method for selected areas of coalbed methane exploration and development
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 Division, definition and procedure of coalbed methane geological evaluation stages 1
5 block evaluation area evaluation 2
6 Evaluation of the pre-exploration area 3
7 Exploration Area Evaluation 4
8 Evaluation of Development Favorable Areas 5
Appendix A (Informative) Coalbed Methane Geological Evaluation Flowchart 7
Appendix B (informative) Flowchart of evaluation stage of coalbed methane block evaluation area 8
Appendix C (Informative) Standard Parameters Table 9 for Evaluation Stage of Coalbed Methane Block Evaluation Area
Appendix D (informative) Flowchart of evaluation stage of coalbed methane prospecting area 10
Appendix E (Informative) Table 11 Standard Parameters for Evaluation Stage of Coalbed Methane Prospecting Area
Appendix F (Informative) Flowchart of Evaluation Stage of Coalbed Methane Exploration Area 12
Appendix G (Informative) Table 13 of Standard Parameters in Evaluation Stage of Coalbed Methane Exploration Area
Appendix H (Informative) Flowchart of Evaluation Stages of Favorable Areas for Coalbed Methane Development 14
Appendix I (Informative) Table 15 Standard Parameters for Evaluation Stage of Favorable Areas for Coalbed Methane Development
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"
to be drafted:
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 United Coalbed Methane Co:, Ltd:, CNOOC Research Institute Co:, Ltd:
The main drafters of this document: Wu Jian, Gao Yinjun, Zhu Guanghui, Hu Bin, Mi Honggang, Liu Yinghong, Lu Yumin, Liu Tieshu, Ye Jianping, Li Benliang,
Liu Shenyan, Sun Qiang, Yang Gang, Li Danqiong:
Geological evaluation method for selected areas of coalbed methane exploration and development
1 Scope
This document specifies the purpose, task, procedure, content and evaluation criteria of geological evaluation in the process of coalbed methane exploration and development:
This document is applicable to the geological evaluation of coalbed methane in the block:
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 19559 Determination method of coalbed methane content
GB/T 24504 Coalbed methane well injection/pressure drop test method
DZ/T 0216 Coalbed Methane Reserve Estimation Specification
DZ/T 0249 Coalbed methane field development plan preparation specification
NB/T 10002 Code for Seismic Exploration of Coalbed Methane
NB/T 10008 Technical specification for production dynamic monitoring of coalbed methane wells
NB/T 10009 Coalbed Methane Well Drainage Technical Specifications
NB/T 10013-2014 Coalbed methane geological area selection evaluation method
NB/T 10017 Coalbed methane well fracturing design compilation specification
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
block evaluation area blocksevaluationarea
Through regional geological research and analysis, it is considered that the area in the block has the basic geological conditions for coalbed methane accumulation:
3:2
pre-explorationarea
CBM accumulation areas with favorable accumulation conditions, high resource abundance and large resource scale, and exploration prospects are favorable for coalbed methane accumulation:
3:3
exploration area
Coalbed methane accumulation areas with high abundance of geological reserves, good development conditions, and drainage test production after reservoir reconstruction have reached the reserve calculation standard:
3:4
Proven geological reserves with high abundance, effective engineering and technical measures, and economically beneficial coalbed methane development areas confirmed by test mining:
4 Division, definition and procedure of coalbed methane geological evaluation stages
According to the phases, purposes and tasks of coalbed methane geological evaluation, it is divided into block evaluation area evaluation, pre-exploration area evaluation, and exploration area evaluation
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