Drilling plays a significant role in the history of human civilization. The exploration of greater
depths, extreme environments, or hazardous areas calls for more energy-efficient and high …

Advancements in digital technology and digitalization of industrial process have opened
new frontiers for the oil and gas industry. The amount of historical data generated from …

The oil and gas industry, operating and service companies, and academia are actively
searching for ways to look ahead of the drill bit while drilling to reduce the risks and costs of …

从麦克斯韦方程组出发推导出三轴磁偶极子源在频率-波数域中的解析表达式,
结合归一化广义反射系数, 求解井眼内磁场多分量. 通过矢量叠加得到任意方向发射 …

The article proposes an efficient global optimization of adaptive boundary detection from the
logging while drilling (LWD) azimuthal electromagnetic (EM) measurements. The goal is to …

In this article, we present a derivation for analytical expressions of the electromagnetic (EM)
fields radiated by triaxial magnetic/electric point sources in planar-stratified media. The …

An ultradeep boundary detection method based on the characteristics of the electric field in
a single well is proposed. Unlike any conventional azimuthal electromagnetic (EM) wave …

南海北部乐东地区是莺歌海盆地高温高压天然气勘探开发的重点地区, 但钻井作业采用的不同
探测技术受到测量深度, 垂向分辨率和预测精度等影响, 难以保障安全钻井需要及时预警和规避 …

The logging-while-drilling (LWD) ultradeep azimuthal electromagnetic tool plays a pivotal
role in real-time drilling optimization operations. Established tool designs include arrays of …

Knowing formation ahead of the drill bit can help with hydrocarbon exploration and
production, especially for low-angle and vertical wells. The advent of electromagnetic look …