For offshore oilfields, the economic threshold is high and the lower limit of reservoirs for
industrial development is difficult to be determined. At present, the development of low …

In China, at least 50% of the total oil and gas resources exist in the low permeability
resrevoirs. Whether the low permeability oil and gas resources can be produced and utilized …

In general, the migration distance of continental tight oil in China is relatively short, and the
formation and distribution are mainly controlled by the tectonic setting, source rock …

Abstract According to the China National Petroleum Assessment (2003-07), there are 81
land frontier basins in China (including Qiangtang, Chuoqin, Hetao) where in-place and …

Predicted hydrocarbon reserves were studied, and four evaluation methods for improving
reserve estimates were proposed, including possibility evaluation, upgrading rate …

This paper briefly introduces the generals and features of all prev ious oil and gas resources
assessment in China, and points out that compared with the international practice, there …

There are contradictions between the discovered oil and gas reserves and the predicted
resources in mature exploration area. It may be because the effective source rocks …

The reserve replacement rate is an important reflection of the management state of oil
companies, especially in sustainable development. It is also an important indicator for oil …

With the rapid development of the world economy, the exploration and development of
unconventional oil and gas resources have become a new hot spot. As an important subset …

The establishment of calibrated units is one of the achievements obtained in the third
resource assessment implemented by the PetroChina Company Limited. 123 calibrated …