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controls. Inputs to our reserves estimation process, which we provide to Lee Keeling for use in their reserves evaluation, are based upon our historical results for production history, oil and natural gas prices, lifting and development costs, ownership interests and other required data. Our Reservoir Engineering Department, comprised of qualified petroleum engineers and technical support staff, works with our operating, accounting, land and marketing departments in order to accumulate the information required for the reserves estimation process. Our Vice President of Reservoir Engineering is the primary person in charge of overseeing our reserve estimates and our Reservoir Engineering Department. He has a BS Degree and a Masters Degree in Petroleum Engineering, is a Registered Professional Engineer and has over thirty-five years of experience in various technical roles within the oil and gas industry. During the reserves estimation process our petroleum engineers work with Lee Keeling to ensure that all data we provide is properly reflected in the final reserves estimates and they consult with Lee Keeling throughout the reserves estimation process on technical questions regarding the reserve estimates. We also regularly communicate with Lee Keeling throughout the year about our operations and the potential impact of operational changes and events on our reserve estimates. 

We did not provide estimates of total proved oil and natural gas reserves during the years ended December 31, 2011, 2012 or 2013 to any federal authority or agency, other than the SEC. 

## Drilling Activity Summary 

During the three-year period ended December 31, 2013, we drilled development and exploratory wells as set forth in the table below: 

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In 2014 to the date of this report, we have drilled eleven wells (8.6 net to us) and we have nine wells (6.0 net to us) in the process of being drilled. 

