Addressing the high friction and torque challenges encountered in drilling processes for
high-displacement wells, horizontal wells, and directional wells, we successfully synthesized …

Since the “13th Five-Year Plan”, the exploration of large-scale structural oil and gas
reservoirs in the Bohai oilfield has become more complex, and the exploration of igneous oil …

In the extreme polar marine environment, safety risks pose a significant threat to drilling
vessels. By conducting a safety risk assessment, potential hazards can be predicted and …

For reservoir fluids with strong volatile tendencies, such as gas condensate and volatile oil,
the determination of the characteristic parameters of the equation of state has a great …

Yingxiongling shale oil is considered a critical area for future crude oil production in the
Qaidam Basin. However, the unique features of the Yingxiongling area, such as …

The drilling industry, at the crossroads of technological advancement and environmental
responsibility, is perpetually in pursuit of novel and sustainable methodologies to enhance …

The intricate geological characteristics of tight oil reservoirs, characterized by extremely low
porosity and permeability as well as pronounced heterogeneity, have led to a decline in …

Accurately determining the solubility of ethane in oil‐based mud is crucial for assessing the
severity of gas kicks and implementing appropriate well control procedures. The key factors …

Addressing the issues of low reuse rates and high waste content of drilling fluids commonly
observed in oilfields, research on reuse technology based on utilizing the same system …

In recent years, significant breakthroughs have been made in the exploration of deep to ultra-
deep oil and gas reserves onshore in China. These conventional deep to ultra-deep …