Challenges and countermeasures of log evaluation in unconventional petroleum exploration and development

LIU Guoqiang

Table 2 Effectiveness analysis of shale oil sweet spot evaluation with TOC and S1 from different origins.

TOC from different origins S1 from different origins Origin Effectiveness of sweet spot evaluated by TOC Effectiveness of sweet spot evaluated by S1/TOC Origin Effectiveness of sweet spot evaluated by S1 Effectiveness of sweet spot evaluated by S1/TOC Movable oil Effective Ineffective Movable oil Effective Effective Bound oil Ineffective Effective Bound oil Ineffective Ineffective Bitumen Ineffective Effective Bitumen Ineffective Ineffective Kerogen Ineffective Effective Kerogen Ineffective Ineffective