Houston (May 5, 2009) – Houston-based Ingrain announced today that Sonatrach has signed a commercial agreement to use the company’s digital rock physics services.

“Ingrain is extremely pleased that Sonatrach, one of the world’s top energy players, will use our breakthrough technology,” said Henrique Tono, Ingrain’s CEO. “This puts Ingrain’s expansion into Africa ahead of schedule, and further demonstrates that 3D imaging and computation is the future of reservoir rock properties analysis.”

www.ingrainrocks.com