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DZ/T 0216-2010 English PDF (DZT0216-2010)

DZ/T 0216-2010 English PDF (DZT0216-2010)

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DZ/T 0216-2010: Specifications for coalbed methane resources/reserves

This Standard specifies the requirements, test methods, inspection rules, labeling, packaging, storage, and transportation of feed grade DL-methionine products. This Standard applies to the feed grade DL-methionine that uses methylthiopropanal, cyanide, sulfuric acid, and sodium hydroxide as main raw materials.
DZ/T 0216-2010
DZ
ICS T3-020; T5.160.01
D 03
Record number. (NIL)
Geological Mineral Industry Standard
of the PEOPLE Republic of China
Replacing DZ/T 0216-2002
Specifications
for coalbed methane resources / reserves
ISSUED ON. JANUARY 13, 2011
IMPLEMENTED ON. MARCH 1, 2011
Issued by. Ministry of Land and Resources of the People's Republic of
China
Table of Contents
Foreword ... 3
Introduction ... 4
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 5
4 General provisions ... 8
5 Classification and grading of coalbed methane resources / reserves ... 8 5.1 Classification ... 9
5.2 Grading ... 9
6. Estimates of coalbed methane resources / reserves ... 10
6.1 Reserves initial-calculation conditions and estimate units ... 11 6.2 Reserves estimation method ... 14
7 Selection and value of coalbed methane resources / reserves estimation parameters ... 18
7.1 The determination of volumetric method parameters ... 18
7.2 Determination of parameters of numerical simulation method and production decline method ... 21
7.3 Parameters values of reserves estimation ... 21
8 Coalbed methane reserves evaluation ... 22
8.1 Geological comprehensive evaluation ... 22
8.2 Economic evaluation ... 23
8.3 Proved reserves report ... 25
Appendix A ... 26
Appendix B ... 28
Appendix C ... 30
Introduction
The coalbed methane is an important clean energy. The development of specifications of coalbed methane resources / reserves, that is suitable for our national conditions and compatible with international standards, can promote the reasonable utilization; prevent the disaster of gas of coal mine; and prevent atmospheric environment of coalbed methane resource, under the situation of the reform and opening-up policy. In order to adapt the needs of exploration, development and resources / reserves management of coalbed, Ministry of Land and Resources issued Specifications for Coalbed Methane Resources / Reserves (DZ/T 0216-2002) in the form of geological mineral industry standard of the PEOPLE Republic of China on December 17, 2002. It will be put into effect on March 1, 2003. After more than 7 years of implementation, this specifications has played a role in promoting the development of coalbed methane; in the meanwhile, it also exposes some shortcomings.
On January 29, 2008, the Consulting and Research Center of the Ministry of Land and Resources Entrust Department conducted a study, and revised the specifications to be this Standard.
From the implementation date of this Standard, the previous standard shall be abolished simultaneously.
SN/T 2034-2007
Specifications
for coalbed methane resources / reserves
1 Scope
This Standard specifies the classification and grading standard, definitions, reserves estimation methods, reserves evaluation standard, and preparation requirements for reserves report of China's coalbed methane resources / reserves.
This Standard is applicable to the ground-exploited-mine?€?s coalbed methane resources / reserves assessment and report preparation. It may be used as basis for the coalbed methane resources / reserves estimation review, the preparation of development program and medium-term and long-term planning in the coalbed methane resources / reserves management and mining economic activities. Regional survey and resources evaluation for coalbed methane resources, or resources / reserves estimation and report preparation of for exploitation and exploitation of coalbed methane by other means can be executed by reference.
2 Normative??references
The articles contained in the following documents have formed this Standard when they are quoted herein. For the dated documents are quoted, all the modifications or revisions made thereafter shall be applicable to this Standard.
GB/T 212-2008 Proximate analysis of coal
GB/T 217-2008 Determination of true relative density of coal
GB/T 6949-1998 Determination of apparent relative density of coal
GB/T 13610-2003 Analysis of natural gas by gas chromatography
GB/T 19492-2004 Classifications for petroleum resources / reserves
GB/T 19559-2008 Method of determining coalbed?€?s gas content
GB/T 19560-2008 Experimental method of high-pressure isothermal adsorption to coal DZ/T 0215-2002 Specifications for coal, peat exploration
DZ/T 0217-2005 Regulation of petroleum reserves estimation
3 Terms??and??definitions
The following terms and definitions apply to this Standard.
3.1
SN/T 2034-2007
Coalbed methane (referred as CBM)
The hydrocarbon gas of which the main component is methane; it is absorbed in the coalbed; the original state is mainly absorbed to the particle surface of the coal matrix, and is supplemented and dissociated in cleats, cracks and pores or dissolved in coalbed water. This Standard specifies that the required estimating resources / reserves mainly refers to adsorbed gas.
3.2
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. According to with- and without- prospecting-well engineering control, it is divided into the known reserves and potential reserves to be discovered.
3.3
Coalbed methane reserves
3.3.1
Original coalbed methane in place
Under the original state, the total coalbed methane which is occurred in the known coalbed with a clear estimation boundary; has realistic economic significance. According to exploration degree, it is divided into 3 levels - forecasted, controlled, and proved. 3.3.2
Recoverable reserves
The recoverable part of the??original coalbed methane in place. It refers to using the existing technologies and theoretical estimation or analogy to calculate the recoverable total coalbed methane, under the current laws and policies and market conditions. It is divided into ?€?controlled?€? and ?€?proved?€? levels, according to exploration degree.
For recovery-rate parameter, it may be obtained by adopting the methods such as analogy and numerical simulation of the same domestic or foreign geological conditions. 3.3.3
Commercial recoverable reserve
It is part of the recoverable reserves. It refers to using methods such as theoretical estimation or analogy to calculate the recoverable total coalbed methane, under the current economic and technical conditions. It can be divided into the ?€?controlled?€? and the ?€?proved?€? levels, SN/T 2034-2007
according to exploration degree.
3.3.4
Developed initial reserves
The proved commercial recoverable reserves that is consumed by the corresponding cumulative production. Generally it may be obtained by using the cumulative production to be divided by recovery-rate.
3.3.5
Remainder proved initial reserves (referred as remainder reserves)
The difference BETWEEN proved commercial recoverable reserves AND developed initial reserves is the remainder proved initial reserves. Remainder proved initial reserves are divided into ?€?built capacity remainder commercial recoverable reserves?€? and ?€?un-built capacity remainder commercial recoverable reserves?€?.
Built capacity remainder commercial recoverable reserves refer to the remainder proved initial reserves that is occupied by under-built or built capacity.
Un-built capacity remainder commercial recoverable reserves refer to the difference BETWEEEN the remainder proved initial reserves AND built capacity remainder commercial recoverable reserves.
3.3.6
Coalbed methane reserves abundance
The coalbed methane reserves in the unit of coalbed containing-gas area. 3.4
Coalbed methane well
3.4.1
Prospecting well
The engineering well which adopts drilling-well, supplemented by logging-well and coring analysis test method, to determine the parameters such as coalbed?€?s depth, thickness, struct...

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