Central Region

On July 1, 2004, Citation purchased properties located in southeastern Colorado from Anadarko Petroleum Corp. Citation formed the Central Region in order to allow key operating personnel the ability to focus on these new assets. The producing properties are located near the town of Cheyenne Wells, Colorado, and the majority of production is from the Morrow-aged sands along the Las Animas Arch. The region was expanded in 2006 to include properties located in Illinois, Kansas, Nebraska and Utah. These properties include mature waterfloods as well as primary production. In Illinois, Citation has constructed a gas plant at the Salem Unit to process gas and NGL's that, for years, was flared at the wellhead.

The Central Region office currently is located in Houston, Texas.

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Arapahoe Unit / Arapahoe NW

The Arapahoe Unit lies on the Colorado/Kansas state line, with a majority of the field situated in Cheyenne County, Colorado. This Citation operated unit was discovered in 1987 and unitized in 1989, produces 600 Bopd and 3,000 Mcfd from a Morrow-aged incised valley sequence encountered at approximately 5,200'. This 12 mile long sinuous channel produces from 36 active oil and gas wells. All of the produced gas is either reinjected for pressure maintenance in five active injectors or used for lease fuel. Six active company operated wells also exist outside the boundaries of the unit. Citation owns a 59% WI in the unit, and up to 100% WI in the non-unit wells. Upside potential exists for expanding the existing gas and water injection by converting wellbores and increasing bottom-hole pressure in the reservoir. The Northwest Arapahoe Unit is situated immediately north of Arapahoe Unit and produces out of a stratigraphically similar Morrow channel sand. Mull Drilling (Wichita, KS) operates the unit. Citation owns over an 18% WI in the unit, which consists of 27 active producers and three total gas and water injection wells. The unit produces approximately 750 Bopd and 4,900 Mcfd. The field was discovered as an extension to the Arapahoe Field in 1988 and was later unitized for pressure maintenance in 1992.

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Fairport

Citation operates the Wieland Unit located on the boundary of Russell and Ellis County in central Kansas. Citation has been active in this field since purchasing the property from Tenneco in 1987. Current production is about 430 Bopd from 48 producers and 29 supporting injectors in the Topeka, Toronto, Lansing-Kansas City (LKC), and Arbuckle formations. From 2004 thru 2007, Citation expanded the waterflood vertically to include the lower intervals of the LKC and to exploit the deeper non-unitized Arbuckle Formation. Current plans for 2008 include a completion of the expansion of the Lower LKC waterflood in the southern half of the unit and drilling additional Upper LKC producers and injectors. Citation has 99.69% WI in this unit.

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Pineview

Citation operates eight wells in the Pineview Field in Summit County, Utah, located 60 miles north east of Salt Lake City. The majority of the wells produce from the Watton Canyon and Nugget formations at depths ranging from 9,500' to 13,500'. Total production from the field is 450 Bopd, 125 Bngld and 900 Mcfd. Citation purchased additional interests in these properties during 2005 from PITCO and in 2007 with the acquisition of Samson's interests.

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Salem Unit

The Salem Unit is located in Marion County, Illinois, two miles west of the city of Salem and 65 miles east of St. Louis, Missouri. The asset was acquired from Texaco in November 1998. This field is developed on an elongated asymmetric anticline that extends 6.5 miles in length and a maximum of three miles in width and encompasses approximately 9,500 acres. The field was discovered in July 1938 and principal production has been from the Benoist and Aux Vases sandstones and the McClosky, Salem and Devonian limestone formations. Citation currently produces 1,620 Bopd from 300 active producing and 60 water injection wells. In 2008 Citation will focus its efforts in reactivating several Devonian producers and initializing a pilot ASP flood in the Benoist reservoir. Future potential includes continuing reservoir optimization and recompletions, expanding the Benoist mini ASP flood to field wide, and implementing other tertiary recoveries among the various reservoirs.

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Upper Valley

Discovered in 1964 and purchased by Citation in 1987, the Upper Valley Field is located in south central Utah near the town of Escalante. Oil production is from the Permian Kaibab and Cedar Mesa formations and is situated on the Dutton monocline at a depth of approximately 7,000'. Gross production of 520 Bopd is derived from 19 active oil wells, with nine active water injectors providing additional pressure support to this natural water drive reservoir. Upside potential includes additional drilling that will target currently producing or deeper intervals and the use of polymer injection to enhance vertical and horizontal sweep in the higher oil saturated zones.

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Walker Hollow

Citation operates two units in Walker Hollow field; the Walker Hollow Unit (WHU) and the Pearl Broadhurst Unit (PBU). The WHU was acquired from Exxon in 1995 and the Pearl Broadhurst Unit was acquired from Ocean Energy in 1998. The units, which consist of approximately 6,160 gross acres, are located approximately 50 miles southeast of Vernal, Utah. Production of approximately 510 Bopd from 63 wells is derived from multiple Green River sandstone lacustrine sequences from 3,500' to 5,800'. Active water injection from 14 wells aids in supporting bottomhole pressure and production. During 2003 and 2004 Citation drilled eight wells and recompleted several others in the WHU. Currently Citation's focus is on waterflood enhancement with several reactivations and conversions identified. Additional recompletion and drilling opportunities will be evaluated through detailed stratigraphic correlations and mapping of individual sandstone sequences. The Uinta and Wasatch Formations also hold promise for future gas production.

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