Wold Oil Properties (WOP) is a privately-owned, independent exploration and production company headquartered in Casper, Wyoming. The Company also maintains an office in Denver, Colorado. John S. Wold, former United States Congressman for Wyoming and the first geologist to serve in the United States Congress, founded the Company in the early 1950s. Today the Company is owned and managed by John's sons, Peter and Jack Wold. The Company currently employs about 30 people in the both offices. Peter manages the Casper office and Jack manages the Denver office where the company maintains a visible presence in the Denver oil and gas community. WOP is a completely integrated oil and gas company. Wold exploration personnel are responsible for all geological and geophysical programs in which the company is involved. The company also manages all land issues including permitting, leasing, records, and negotiations with partners and governmental agencies. The engineering department is responsible for the drilling and completion of all wells, pipeline construction, and product marketing. The field staff is responsible for maintaining the producing assets, from well workovers to plant maintenance. The accounting staff includes three CPAs and provides for accounts receivable, accounts payable, payroll, revenue, cash management and product hedging.