Petroleum and natural gas reserves standards, which were issued and implemented in 1988, are not perfect on the aspects of commercial hydrocarbon flow standard, effective thickness classification, reserves computing method and so on under current market-oriented economy.

Applications and advance of fiber Bragg grating in oil and gas industry;

According to the mutuality between the spatial structure of the oil and gas resources and the spatial structure of the social economy, this paper preludes with the present condition of the oil and gas resources in the world, and then poses three major spatial structure patterns of the oil and gas industry, expounding the mechanism of them:1.

The structures and properties of natural gas hydrates, their damages on oil and gas industry and the measures, as well as the wide prospects of applications of gas hydrates in the formation as potential source are introduced.

The petroleum industry will have a broad future and will vigorously develop for one century not only in China, but also around the world.

Application of ESEM in the oil & gas industry in China;

The article introduces the status of China's oil & gas industry from following aspects: management mechanism,industrial structure,technological development and physical distribution.

It also analyses the impact upon oil & gas industry production arising from economic crises in the past years.