Downhole heat damage during drilling seriously restricts the exploration and development
of deep oil and gas reservoirs and geothermal resources. The petroleum industry focuses on …

The challenges associated with drilling large displacement horizontal wells are numerous,
and their adverse effects can lead to severe damage or even shut down of the drilling …

Currently, drilling of directional oil and gas wells under complex technical-technological and
mining-geological conditions requires the use of drill pipes made of various materials. In …

This work aims to explore the impact of side loads, drill-pipe tool-joint (DP-TJ) speed (rpm),
and mud type on the austenitic stainless steel SM2535-110 casing wear characteristics …

A three-dimensional finite element dynamics model of drill-string is established considering
dynamic friction model and buckling effect. The modified dynamics model is proved to have …

Most of the crude oil produced in China is highly viscous and easy to condense, and the
pipeline transportation method is mostly heated. At present, frequency conversion …

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

With recent developments in data acquisition and storage techniques, there exists huge
amount of available data for data-driven decision making in the Oil & Gas industry. This …

Insufficient hole cleaning, cutting suspension, clay swelling, and filtrate invasion of the
formation might result from inadequate drilling mud properties. For effective drilling and …

A considerable amount of oil contamination is caused by the presence of the trailing oil. This
paper aims to simulate and analyze the influences of trailing oil on the quality of oil products …