Sierra Pine Resources International (SPRI) is an upstream oil and gas consulting and prospect generation firm based in Houston, Texas. Our services include: Multidisciplinary Development and Exploration Studies, Contract Operating, Advising on Acquisitions & Divestitures, Prospect Evaluation/Screening, Expert Witness, Reservoir Engineering, Economics, Petrophysics, and Geology & Geophysics. Sierra Pine is fully equipped with all necessary resources to successfully assist your company with any reservoir evaluation project. We provide industry leading petrophysical analysis which enables us to provide the most accurate results available. Our experienced professionals are available to work in client office space or remotely in our offices, and can travel anywhere, domestic or internationally. SPRI works with exploration & production companies of all sizes, law firms, investment banks, and private equity firms.