After six years combating pressures of 14,000 psi and temperatures of 350°F (177°C) the production string was finally pulled from the High Island A-5 well #1 HPHT well in the Gulf of Mexico. Remarkably, the identification markings on the pipe were still intact.

Halide brines vs. formate brines. Safety is an important factor to consider in brine choice.

New tool developed by Gaia Consulting of Finland uncovers hidden costs of well completion and workover brines.

A question asked for the last 12 years has finally been answered. Why do formate brines produce such positive gas permeability results under HPHT conditions in the field, but not in the lab?

Trying to workover high-angle HPHT wells in conventional muds or brines is a no go. This was the conclusion made by TOTAL E&P UK when carrying out remedial work on their Elgin G3 well in the North Sea during the development of the world's largest offshore HPHT field.