Exploration & Production

Nitrogen blights Mexican gas output

The contamination of Mexico’s offshore gas with injected nitrogen poses a problem for its commercialisation The contamination of Mexico’s offshore gas with injected nitrogen poses a problem for its commercialisation.
By Chris Noon 31 July 2017 0 26976

The share of nitrogen in the gas produced by Mexico is now more than 13%, according to statistics from state-run company Pemex. There has led to concerns that output from giant offshore fields such as Cantarell is being wasted.

Pemex has injected nitrogen at its major oilfields such as Akal – the largest field in the Cantarell complex in the Bay of Campeche – since May 2000 to increase well pressure, which improves crude production rates....