Dr Dirk Radies (Subsurface Manager, Wintershall).

We recently used Jeff and his team to provide us with technical expertise on two appraisal wells on a very sour gas prospect. Jeff was involved from the very beginning and helped us to audit several laboratories and was involved in the subsequent tendering and evaluation processes. They helped to develop fluid sampling and analysis programs and then witnessed the sampling at the wellsite and administered the analytical programs. The outcome was a very reliable set of data which Jeff then used to develop a field wide EOS for use in compositional reservoir simulation.

The end result was a better understanding of the complex distribution of fluids in the reservoirs and a reliable EOS for use in full field reservoir simulation. We would not hesitate to use their cost effective services again.