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Drilling, completing, and fracturing of unconventional-formation wells in North America have become commonplace for producing natural gas. It is less common to drill, complete, and fracture treat multiple lateral branches from a single main wellbore.

ExxonMobil, operator for the Sakhalin-1 project, planned an additional drilling campaign at the Chayvo field, Sakhalin Island, Russia.

In 2012, the number of unconventional tight gas/shale and high-pressure/high-temperature (HP/HT) papers continued to grow. This year, we had some very interesting developments in these and other areas of well construction.

This case history presents the highly challenging extended-reach deepwater well, Ursa A-10, drilled in the Ursa (Latin for bear) prospect in the US Gulf of Mexico (GOM).

The Eagle Ford shale in Zavala County, Texas, is similar to many high-carbonate-content oil-shale formations.

To maintain zonal isolation throughout the life of a high-pressure/high-temperature (HP/HT) well, the cement sheath must perform reliably at temperatures that can exceed 315°C.

India will test whether it can reach its ambitious goal of reducing oil and gas imports by 10% by 2022 with an upcoming auction of oil properties.

The Granite Wash formation presents several challenges in drilling the build section from a vertical open hole to form a lateral.

As the number of tankers on the open sea remains high, a new motion-prediction software aims to increase vessel safety.

The Liwan gas reservoir was discovered in the South China Sea Block 29/26 in September 2006.