The key to stemming the stream of oil gushing into the Gulf of Mexico may be as clear as mud. Spill officials said this morning that blasting the leaking well with "heavy drilling mud" seem to be ...

Crews from private oil and gas companies helped mop about 300 barrels of drilling mud that started bubbling from a long-abandoned well on private property northeast of Berthoud on Sunday. A person who ...

Drilling deeper, longer and more challenging wells has been made possible by improvements in drilling technologies, including more efficient and effective drilling fluids. Drilling fluids, also ...

Thousands of litres of synthetic drilling mud spilled at the White Rose oil development hundreds of kilometres southeast of St. John’s on Tuesday, officials say. Husky Energy said the spill of about 5 ...

On Friday, BP Canada announced that 136,000 litres of drilling mud was discharged from its West Aquarius rig about 330 kilometres from Halifax. The spill was stopped on Friday, and the company is now ...

Dilution-based dual-gradient drilling (DGD) reduces casing strings and drilling costs while increasing hole size at total depth by injecting mud down an artificially-created annulus with a different ...