Chapter 2 Geologic Setting of Oil-Shale Deposits and World Prospects

Duncan, Donald Cave

doi:10.1016/s0376-7361(08)70042-6

Cited by 6 publications

(6 citation statements)

References 2 publications

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“…Oil-shale deposits of Jurassic and Cretaceous age in northern China and Mongolia are mostly associated with coal-bearing rocks. Oil-shale deposits of Tertiary age in China, Thailand, and Myanmar (Burma) are associated with coal-bearing rocks and occur in marginal regions where major orogenic movements produced folded and faulted mountains (Duncan and Swanson, 1965;Duncan, 1976).…”

Section: By Keizo Fujii Geological Survey Of Japanmentioning

confidence: 99%

Energy-resources map of the Circum-Pacific region, northwest quadrant

Sumii¹,

Wakita²,

Matsubayashi³

et al. 1992

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Section: By Keizo Fujii Geological Survey Of Japanmentioning

confidence: 99%

Energy-resources map of the Circum-Pacific region, northwest quadrant

Sumii¹,

Wakita²,

Matsubayashi³

et al. 1992

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“…The origin, composition and distribution of oil shales have been reviewed by Cane (1976), Robinson (1969), Duncan (1967), Chilligarian & Yen (1976 and Tissot & Welte (1984).…”

Section: Petroleum Source Rocks and Oil Shalesmentioning

confidence: 99%

The role of hydrocarbon source rocks in petroleum exploration

Brooks¹,

Cornford

Archer³

1987

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Petroleum is generated from organic-rich sediments (source rocks) containing organic matter originating from biological materials. During burial of sediments, the increase in temperature results in a series of geochemical reactions which leads from biopolymers to geopolymers, often collectively called kerogen, which are precursors of petroleum.The amount, type and composition of petroleum generated is dependent upon the nature and geological history of the source rock. The most important parameters are the nature of the organic matter in the source rock and its maturity governed by its time/temperature history.Petroleum exploration is now using modern understandings of hydrocarbon generation, migration and accumulation to help improve its success in predicting petroleum discoveries. The initial stages of an exploration programme can regionally evaluate the source rocks, together with the hydrocarbon potential of each source rock horizon and integrate this information with the geological development of the basin to enhance predictions of where and when hydrocarbon generation and accumulation have occurred.

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“…The clay minerals are negatively charged due to the isomorphous substitution of silicon atoms by aluminum or magnesium atoms . Carbonate minerals including calcite and dolomite carry a positive charge due to preferential hydrolysis of surface calcium and carbonate ions. , The surface charge of the rock is the main cause of complicated adsorption and wettability phenomenon.…”

Section: Introductionmentioning

confidence: 99%

A Comprehensive Review on Screening, Application, and Perspectives of Surfactant-Based Chemical-Enhanced Oil Recovery Methods in Unconventional Oil Reservoirs

et al. 2023

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Surfactant-based chemical-enhanced oil recovery (EOR) methods have been recognized to be effective in both conventional and unconventional oil reservoirs. However, the nanopore size and low permeability characteristics of unconventional reservoirs hinder the wide application of the chemical EOR methods and have greater requirements for chemical agents. Thorough understanding of the rock−fluid−chemical interactions is the key to production improvement and economy development of unconventional formations. This paper is a systematic review of the literature focused on the performance evaluation and application potential of chemical EOR methods. To address the technical requirement, crucial features of the tight and shale formations and properties of the typically used chemicals are introduced. Many studies in recent decades have revealed that surfactant-based formulations have the capability to increase oil recovery through reducing interfacial tension, altering surface wettability, enhancing aqueous penetration, improving oil mobility, and then promoting spontaneous imbibition. The probable mechanisms of chemical EOR are summarized to demonstrate their potential and to guide the formulation development for reservoirs. Laboratory experiments of chemical screenings are presented to discuss the selection criteria of the appropriate formulation for respective EOR projects. Traditional measurements and novel experimental methods provide a comprehensive understanding of the chemicals corresponding to their application conditions. The outcome of recent pilot field tests in major formations is summarized to show the application feasibility and improvement schemes of chemical EOR. Problems currently existing and possible solutions are discussed to point out future research directions of the related field. Summarizing and analyzing of the problems, challenges, and future respects could help guide the design of chemical EOR projects. This review provides a more comprehensive understanding of the chemical performance in unconventional reservoirs and addresses the significance of appropriate screening methods and sufficient field knowledge for the success of chemical EOR operations.

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Chapter 2 Geologic Setting of Oil-Shale Deposits and World Prospects

Cited by 6 publications

References 2 publications

Energy-resources map of the Circum-Pacific region, northwest quadrant

Energy-resources map of the Circum-Pacific region, northwest quadrant

The role of hydrocarbon source rocks in petroleum exploration

A Comprehensive Review on Screening, Application, and Perspectives of Surfactant-Based Chemical-Enhanced Oil Recovery Methods in Unconventional Oil Reservoirs

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