中国海相油气勘探前景、主要问题与对策

doi:10.11743/ogg20060602

Abstract

Abstract:

The discovery of giant oil/gas fields,Tahe and Puguang,shows that China's marine sequences have great hydrocarbon potentials and can be a very important option of strategic energy replacement in China.However,due to an early formation and long evolution history,the marine sequences in China had gone through a multistage evolution,during which several sets of source rocks had formed with several episodes of reservoiring and adjustment.As a result,the distribution of oil and gas in the strata is so complicated that the exploration is full of risk and uncertainty.Therefore,new exploration breakthroughs and discovery of more and larger oil/gas fields in marine sequences require:insisting on exploration and continuous investment;adhering to theoretical innovation and technologic advancement;developing the hydrocarbon reservoiring theory and exploration technology of China's marine sequences to solve the key issues concerning exploration of marine sequences,centering on the scientific topic of 'hydrocarbon accumulation and dissipation mechanisms and enrichment pattern in marine carbonates in a multistage tectonic setting;highlighting the study of structural evolution;focusing on the research of source rocks,reservoirs,and sealing effectiveness;and emphasizing on three combinations,i.e.the combination of theoretical innovation with exploration practices,regional evaluation with target assessment,and geological study with engineering techniques.Only by doing all that can we found more large oil/gas fields in the marine sequences.

Key words: marine oil and gas exploration, oil and gas accumulation and dissipation, enrichment pattern, sealing effectiveness

CLC Number:

TE111.2

Jin Zhijun, Cai Liguo. Exploration propects,problems and strategies of marine oil and gas in China[J]. Oil & Gas Geology, 2006, 27(6): 722-730.

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Exploration propects,problems and strategies of marine oil and gas in China

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