Geotectonic Setting of Coal-Bearing Basins Being Transformed into Coal-and Gas-(Oil-)Bearing Basins
Wang Tingbin
Zhang Yaxiong
Dong Li
Zhang Yuyin
Abstract：The development of large coal-bearing gas fields is a major part of the rapid growth of the nature gas resource and production in China,this paper discusses the forming geotectonic setting affecting the hydrocarbon accumulation during and af-ter the coal-bearing strata source rocks depositon period based on the distribution features of large coal-bearing gas fields,ai-ming to clarify the exploration potential of the large coal-related gas fields in China.It is found that potential coal-related basins being transformed into the coal-and gas-(oil-)bearing basins share the following key factors with different tectonic evolutions:there should mainly be stable subsidence both during and after the deposition of coal-bearing strata,and the various geotec-tonisms should effectively be matching to each other,and ensuring the total gas accumulation should be much larger than the total gas dissipation.The longer the above-mentioned geotectonic process is and the better matched the geotectonic factors are, the more favorable to large coal-and gas-(oil-)bearing basin formation.The coal-related basins are confirmed to be the most promising ones for future exploration due to the fact that they are major gas-source rocks and they remain the major exploration targets for large gas fields ensuring sharp increase of the production of natural gas industry.
Keywords：coal-bearing stratacoal-bearing basincoal-and gas-(oil-)bearing basinsgeotectonic settingpetroleum geology
Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：14( 265-278 )