Reserves Overbooking: the Problem We Are Finally Going to Talk About
Reserves Overbooking: The Problem We Are Finally Going To Talk About Grant T. Olsen, W. John Lee, and Thomas A. Blasingame, SPE, Texas A&M University Summary create even greater potential for reserves overstatements than in Oil and gas reserves estimates that honor disclosure require- the past. ments of the US Securities and Exchange Commission (SEC) Therefore, the magnitude and nature of recent alleged overstate- are critically important in the international oil and gas industry. ment cases, relative unfamiliarity with the SEC’s inner workings, Unfortunately, a number of exploration and production (E&P) and the SEC’s new reporting requirements together have created companies have allegedly overstated and subsequently written a need to discuss openly reserves disclosures and reserves over- down certain reserves volumes in recent years. In some cases, the statements. Overstatements are not confined to particular reserves consequences have been quite adverse. We document some of these categories, asset types or locations, or filer size. However, over- cases of reserves overstatements and summarize the consequences. statements are most likely to occur within the proved undeveloped Reserves write downs are of obvious interest to numerous groups (PUD) category. Reserves write downs can create nearly instanta- involved in the reserves estimation process and outcome, includ- neous value destruction for shareholders. A study of case histories ing estimators, managers, investors, creditors, and regulators. indicates that significant corporate and/or individual penalties may The magnitude and nature of recent overstatement cases, relative be associated with overstatements, along with the potential for unfamiliarity with the SEC’s inner workings, and the SEC’s new class-action lawsuits.
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