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A corrosive gas that is fatal to humans in high concentrations should not be a toxic substance under Canadian environmental law, say federal researchers in a new proposal.

Large separators are often designed to meet the requirements of higher-capacity facilities. But these vessels bring with them consequences on the operating conditions over the full life cycle of a field.

Nonaqueous drilling fluids have been used extensively by the industry, particularly in complex drilling scenarios. They carry some concerns, however, with implications for well integrity.

Managed-pressure drilling (MPD) challenges the conventional drilling paradigm, along with drilling-contractor and operator policies and standards. Conventional drilling practices for connections, flow checks, tripping, and well control have been long understood and standardized.

In this study, pressure-while-drilling technologies are combined with software simulations to differentiate drilling-fluid thermal expansion, wellbore ballooning, and formation influx during riserless drilling operations.

This paper presents a data-driven technology and associated work flow for fast identification of field-development opportunities in mature oil fields that accelerates subsurface field-development planning and reduces the time requirement from months to weeks.

A new downhole-tool-based abandonment system was developed and deployed successfully on four wells for a major operator on a field in the North Sea.

If proven economic, solar EOR technology could represent an environmentally and energy friendly solution for California’s heavy oil producers.

International Maritime Organization regulations state that lifeboat release and retrieval systems must be evaluated and replaced no later than 1 July 2019.

Congress is close to lifting a 40-year-old ban on energy development in Alaska’s Arctic National Wildlife Refuge, but drilling for oil in that frozen wilderness may still be years away as the effort faces exhaustive environmental reviews and likely lawsuits.