Petroleum and natural gas resources (PNGR) are some of the major forms of fossil energy
that are important for the development of industry and energy security. Along with the …

The sedimentary environment governs the depositional processes, ecological environments,
and hydrodynamics, which affect the accumulation of organic-rich sediments. Some …

China's deepest coalbed methane (CBM) exploratory well was drilled to over 4000 m in the
Sichuan Basin, providing an effective database for analyzing the depth effect on methane …

Helium is extensively utilized in aerospace, healthcare, electronics, semiconductors,
advanced science, and renewable energy sectors, playing a pivotal role in the advancement …

Abstract The Sichuan Basin contains many overpressured formations with pore pressure
coefficients as high as 2.3. However, in a Nanye 1 well found in the Southeastern (SE) …

PDC (polycrystalline diamond compact) drill bits are widely employed for rock-breaking in
many industries like underground engineering and building constructions. The cutter layout …

Tight gas is an important unconventional gas resource, but numerous aspects of its
accumulation and the distribution of high-quality reservoirs remain unclear. The Mesozoic …

Crude oil reserves in tight Middle and Lower Jurassic reservoirs are of increasing
exploration interest in the central Sichuan Basin, SW China. However, the origin of these …

With the continuous development of unconventional natural gas resources, the formation
mechanisms of different types of gas reservoirs have become a hot topic of current research …

异常地层压力预测是油气开发中面临的难点问题之一, 随着页岩油气和致密砂岩气等非常规储层
开发的不断深入, 地层压力系统的复杂程度不断增大, 同一地区超压和负压并存的现象时有发生 …