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Clay Minerals from the Perspective of Oil and Gas Exploration

Clay Minerals from the Perspective of Oil and Gas Exploration

Full Title: Clay Minerals from the Perspective of Oil and Gas Exploration
Author(s): Shu Jiang
Publisher(s): Intech
Publication Date: January 1, 2012
Full Text: Download Resource
Description (excerpt):

The clay minerals e.g. kaolinite, smectite, illite, chlorite, etc. are ubiquitous in the targeting  rocks of oil and gas exploration. During the early age (1940s) of worldwide oil exploration,  clay minerals were studied to predict the quality of organic rick source rock and generation  mechanism when scientists tried to investigate the origin of oil and gas (Grim, 1947, Brooks,  1952). Then the clay minerals analysis was used as a tool in terms of environmental  determination, stratigraphic correlation and hydrocarbon generation zone identification to  find exploration target interval, which was preliminarily and generally summarized by  Weaver in 1960. By the 1970s, the clay minerals began to be widely studied for diagenesis  and reservoir quality prediction due to the application of petrological analysis and  quantitative mineralogical analysis by X-ray diffraction (Griffin, 1971; Pettijohn, 1975; Heald  and Larese, 1974; Bloch et al., 2002). Since 1980s, the clay minerals analysis has been used to  determine the hydrocarbon emplacement time and petroleum system analysis (Lee et al.,  1985). These intermittent clay minerals research progresses are the result of exploration  demands of conventional reservoirs (sandstone and carbonate rocks) at different times.

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