The B block is a typical tight sandstone gas reservoir in Tarim basin in the Xinjiang Uygur
Autonomous Region, China. In this block, the skin factors of each well drilled by oil-based …

A single well numerical model considering rock capillary pressure and hysteresis was built
to study killing fluid loss mechanism and its influence on productivity recovery under different …

长庆碳酸盐岩气藏裂缝及孔洞较为发育, 层间差异明显, 非均质程度较严重,
压裂改造后的储层裂缝更为复杂, 此类气藏处于开发后期的气井在开展压井修井作业时 …

以某凝析气井为例, 结合油气藏工程和油气相态理论, 根据凝析气藏特征建立了单井数值模型,
考虑了岩石的毛管压力及毛管滞后现象, 研究不同正压差下压井液漏失机理及其对产能恢复的 …

The carbonate gas reservoir in Changqing oilfield isfull of fractures and vugs, different zones
have quite different characteristics, andsevere inhomogeneity exists in the formations …

Tight gas reservoirs might be very different in term of reservoir characteristics, and it is
challenging to adequately determine the reservoir dynamics parameters such as the …

In recent years, low-porosity and-permeability gas reservoirs have become an important
exploration target for the industry in general, and the China National Oil Company …