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DZ/T 0216-2002 (DZ/T 0216-2020 Newer Version) PDF English


DZ/T 0216-2002 (DZ/T0216-2002, DZT 0216-2002, DZT0216-2002)
Standard IDContents [version]USDSTEP2[PDF] delivered inName of Chinese StandardStatus
DZ/T 0216-2020English559 Add to Cart 4 days Regulation of coalbed methane reserves estimation Valid
DZ/T 0216-2010English160 Add to Cart 0-9 seconds. Auto-delivery. Specifications for coalbed methane resources/reserves Obsolete
DZ/T 0216-2002English410 Add to Cart 0-9 seconds. Auto-delivery. Specifications for coalbed methane resources/reserves Obsolete
Newer version: DZ/T 0216-2020     Standards related to (historical): DZ/T 0216-2020

DZ/T 0216-2002: PDF in English (DZT 0216-2002)

DZ/T 0216-2002 (Tracked version) [Tracked version. Text in RED indicates the main differences with DZ/T0216-2010] DZ GEOLOGY-MINERAL INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 73.020; 75·160·01 D 04 Specifications for coalbed methane resources / reserves ISSUED ON. DECEMBER 17, 2002 IMPLEMENTED ON. MARCH 1, 2003 Issued by. Ministry of Land and Resources of the People's Republic of China Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative references ... 4  3 General provisions ... 5  4 Definitions ... 5  4.1 Coalbed methane ... 5  4.2 Coalbed methane resources ... 5  4.3 Coalbed methane exploration ... 6  4.4 Coalbed methane development ... 7  5 Classification and grading of coalbed methane resources / reserves ... 7  5.1 Classification and grading principles ... 7  5.2 Classification ... 7  5.3 Grading... 8  5.4 Classification and grading system of coalbed methane resources / reserves ... 9  6 Calculation of coalbed methane resources / reserves ... 11  6.1 Reserves initial-calculation conditions and calculation units ... 11  6.2 Reserves calculation method ... 13  7 Selection and value of coalbed methane resources / reserves calculation parameters ... 17  7.1 The determination of volumetric method parameters ... 17  7.2 Determination of parameters of numerical simulation method and production decline method ... 20  7.3 Parameters values of reserves calculation ... 20  8 Coalbed methane reserves evaluation ... 21  8.1 Geological comprehensive evaluation ... 21  8.2 Economic evaluation ... 22  8.3 Reserves report ... 23  Appendix A ... 24  Appendix B ... 26  Appendix C ... 27  C.1 Text of the report ... 27  C.2 Attaching figures and tables of report ... 27  C.3 Report attachments ... 28  Specifications for coalbed methane resources / reserves 1 Scope This Standard specifies the classification and grading standard, definitions, reserves calculation methods, reserves evaluation standard, and preparation requirements for reserves report of China's coalbed methane resources / reserves. This Standard is applicable to the ground-drill-development’s mine’s coalbed methane resources / reserves calculation; it is applicable to coalbed methane resources exploration, reserves calculation, development and design, and report preparation. It may be used as basis for the coalbed methane resources / reserves ownership transfer, securities trading, reserves assessment in other public service and commercial mining activities. 2 Normative references The following standards contain the provisions which, through reference in this Standard, constitute the provisions of this Standard. For dated references, subsequent amendments (excluding corrections) or revisions do not apply to this Standard. However, the parties who enter into agreement based on this Standard are encouraged to investigate whether the latest versions of these documents are applicable. For undated reference documents, the latest versions apply to this Standard. GB 212-91 Proximate analysis of coal GBn/T 270-88 Natural gas reserves specification GB/T 13610-92 Analysis of natural gas by gas chromatography Reserves-Release [1986] No. 147 Specification of geological exploration of coal resources MT/T 77-94 Determination method of coalbed methane (desorption) 3 General provisions 3.1 The coalbed methane field (reserves) reservoir is heterogeneous. There exists the differences in gas content and capacity etc. It shall be appropriate to carry out rolling exploration-development. It shall conduct dynamic reserves assessment. From discovery to abandoned stages of exploration and development, its operator shall - according to geological changes, changes in engineering data, technical and economic conditions or policies - conduct reserves evaluation, calculation, double-calculation, and business accounting in phrases. 3.2 Coalbed is the reservoir for coalbed methane. Coal field exploration and awareness degree is not only an important foundation for coalbed methane exploration deployment, but also an important basis for coalbed methane resources / reserves evaluation. 4 Definitions 4.1 Coalbed methane The hydrocarbon gas of which the main component is methane; it is mainly absorbed to the particle surface of the coal matrix, and is partially dissociated in pores or dissolved in coalbed water. 4.2 Coalbed methane resources 4.2.1 Definition Coalbed methane concentration that takes underground coal as reservoir and has economic significance. The amount is represented as resources amount or reserves amount. 4.2.2 Coalbed methane resources The total amount of coalbed methane which is occurred in coalbed, according to the estimation by certain geological and exploration engineering basis; is recoverable in current time or future; and has the realistic economic significance and potential economic significance. 4.2.3 Original coalbed methane in place of coalbed methane 4.2.3.1 Definition 4.3.3 Exploration It refers to the actual implementation phase of coalbed methane exploration when implementing the project of coalbed methane exploration in the evaluation selection to obtain the awareness on the nature of coal and gas content by parameter-well or geophysical engineering, so as to obtain coalbed methane’s capacity and well optimization parameters under technical conditions by single-well and/or small well-network development tests. Coalbed methane reserves can be calculated according to exploration results. 4.4 Coalbed methane development It refers to formal mining activities of coalbed methane resources according to certain developing plans and deployment of development well-network with certain well spacing in the exploration area. Coalbed methane is generally suitable for rolling exploration and development. 5 Classification and grading of coalbed methane resources / reserves 5.1 Classification and grading principles The classification of coalbed methane resources / reserves is determined by economic benefits yielded by production and sales in certain policies, laws, time and environmental conditions. Based on the economic feasibility, it is divided into 3 categories - commercial, sub-commercial, and intrinsic commercial. economic evaluation of the project. The classification shall be based on the principle of geological understanding level of coalbed methane resources. Based on exploration and development projects, level of geological knowledge, it is divided into 2 grades – discovered and to be discovered. The discovered coalbed methane resources, also known as coalbed methane geological reserves, is divided into 3 grades – predicted, controlled and proved, based on geological confidence. The appropriate grades of recoverable reserves can be determined according to the geological reserves. 5.2 Classification 5.2.1 Commercial In the current economic and technical conditions, production and sales of coalbed methane are technically feasible, economically reasonable has verified the coalbed methane resources and recoverability in the exploration scope. The confidence level of coalbed methane resources is high. Co... ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.