Rosetta Resources Inc., an independent oil and gas company, engages in the acquisition, exploration, development, and production of oil and gas properties in North America. Rosetta Resources Inc. primarily operates in the Sacramento Basin of California; the Rockies; the Lobo and Perdido Trends in South Texas; the State Waters of Texas; and the Gulf of Mexico. As of December 31, 2008, Rosetta Resources Inc. had 398.2 billion cubic feet equivalent of proved oil and natural gas reserves, including 376.5 billion cubic feet of natural gas and 3,603 thousand barrels of oil and condensate; and drilled 184 gross wells. Rosetta Resources Inc. is headquartered in Houston, Texas.

Rock Energy Inc. is a junior oil and gas company currently producing more than 3,600 boe per day (60% oil) from two main core areas (Plains/Lloydminster and West Central/Deep Basin). The oil and gas exploration and production company owns heavy oil and natural gas properties in Western Canada, primarily in Alberta and Northeastern British Columbia (the Plains). During the last four years Rock has consistently generated solid performance in production/reserves growth. In 2006 Rock delivered top-quartile finding and development costs. Rock Energy Inc. has an inventory of more than 100 drilling locations (three to four years) which includes a variety of projects generating a full range of risk and reward plays (low risk development locations to high impact exploration projects). Rock has the opportunities and the financial capacity to deliver growth for its shareholders.

Wenzel Downhole Tools Ltd. (WZL) and its predecessor companies has been a leading supplier of downhole drilling tools to the oil and gas industry for over thirty years. Wenzel Downhole Tools Ltd. has and continues to pioneer and patent new concepts in motor capabilities for numerous drilling applications. Wenzel Downhole Tools Ltd. makes drilling tools (drilling motors, shock tools, and drilling jars) used by the oil and gas drilling industry. Among the company's products are coatings (installation of protective coatings), downhole motors (straight hole, short radius, coiled tubing, and multi-point drilling motors), fabricated equipment, solids-control equipment (screens), and underground tooling. Wenzel Downhole Tools Ltd. also provides oil field equipment rental and repair. Wenzel Downhole Tools operates from Canada and the US; the company offers its products to customers worldwide.

Oakridge Energy, Inc. was founded in 1969 and is based in Wichita Falls, Texas.Oakridge Energy, Inc. engages in the exploration for, development, production, and sale of oil and gas primarily in Texas. Oakridge Energy, Inc. owns a 25% working interest in the BSR field consisting of 23 producing wells in Madison County, Texas. Oakridge Energy, Inc. also owns interest in a gravel property, which consists of gas, coal, and other mineral deposits on approximately 63.5 acres of land in La Plata County, Colorado. As of February 28, 2009, Oakridge Energy, Inc. owned working and overriding royalty interests in 8,884 gross acres of developed oil and gas leases, and 51 gross productive oil and gas wells.

The Crusader Energy Group was, formerly known as Westside Energy, specializes in horizontal drilling techniques and explores and develops oil and gas properties in the US. Crusader Energy Group LLC concentrates its efforts on the prolific Barnett Shale, the Anadarko Basin, and the Bakken Shale formation in the Williston Basin. Long a dormant company, Crusader Energy Group LLC was reactivated in 2004 as Westside Energy with the intention of developing oil and gas properties as well as looking for acquisitions. In 2008, that company combined with Crusader Energy Group and took on that name. In early 2010 Anadarko Basin explorer Jones Energy acquired Crusader Energy.

CNPC is China's largest oil and gas producer and supplier, as well as one of the world's major oilfield service providers and a globally reputed contractor in engineering construction. With a presence in almost 70 countries, China National Petroleum Corporation are seeking an even greater international role. China National Petroleum Corporation provide energy in a profitable manner, and always attach great importance to our social and environmental responsibilities. CNPC has exploration and production projects in China and 26 other countries, including operations in Azerbaijan, Canada, Indonesia, Iraq, Myanmar, Oman, Peru, Sudan, Syria, Thailand, Turkmenistan, and Venezuela. The company also operates some older refineries and an extensive oil and gas pipeline network in China. CNPC also operates a network of 1,650 gas stations. In 2007 CNPC reported estimated reserves of 3.1 billion metric tons of oil and 2.3 trillion cu. meters of natural gas.

Pacific Energy Resources Ltd. (TSX: PFE) is a company headquartered in Long Beach, California and is engaged in the acquisition, exploitation, and development of oil and gas properties, primarily in the United States. Pacific Energy Resources Ltd. was formerly named Shamrock Resources. The company specialized in redeveloping mature oil and gas fields by using advanced production technology. Pacific Energy Resources had proved reserves of 50.4 million barrels of oil equivalent. In 2009 the company filed for Chapter 11 bankruptcy protection and subsequently sold all of its assets to creditors.

Nicklos Drilling Company provides land and offshore contract drilling services in the Texas Gulf Coast, Southeast Texas, and Southwest Louisiana. Nicklos Drilling has four differently configured rigs capable of drilling in a depth range from 6,500 feet depth maximum to 17,000 feet maximum. Nicklos Drilling Company is owned and managed by Texas oil industry veterans Jim Nicklos (whose previous oil contracting business had gone bankrupt in the mid-1980s) and Jack Blanton (a one-time VP of family-owned Scurlock Oil). Nicklos Drilling Company by providing valuable oil field services that Nicklos Drilling makes its money.

Melrose Resources plc is an Edinburgh-based oil and gas exploration, development and production company with interests in Egypt, Bulgaria, Romania, United States, France and Turkey. Melrose was founded in the 1990's and was listed on the Main Market of the London Stock Exchange in 1999. In 2008, Melrose was admitted to the FTSE 250 share index. Melrose Resources plc, which in 2006 had proved reserves (primarily in Egypt) of 17.3 million barrels of oil and 211.5 billion cu. ft. of natural gas, also produces and distributes ethanol in the US. Melrose Resources plc interests in the US are primarily in Texas and New Mexico. Melrose Resources' primary strategy for growth is to take large equity positions in upstream assets and ramp up the assets' value to shareholders. Melrose Resources plc range of activities include wildcat exploration, new field development, and enhanced recovery projects.

Pulse Seismic maintains a seismic data library of about 257,300 net kilometers of 2-D data and more than 12,800 net sq. km. of 3-D data covering primarily Western Canadian Sedimentary Basin plays. The information is sold to oil and gas companies to assist them in seeking commercially viable drilling locations. Pulse Data changed its name to Pulse Seismic in 2009 in order to promote its primary focus as a pure-play seismic data provider. Pulse Seismic Inc. proven business model includes continually augmenting its data library through acquisitions and participation surveys Pulse's business model is based on the enduring value of seismic data, which can be repeatedly re-used by the oil and natural gas industry. Continuous library expansion enables Pulse to generate increased revenues and improve operating efficiencies, supporting high cash operating margins and driving growth in cash EBITDA. Pulse's data library has an estimated replacement value of over $1 billion based on current field replacement cost.

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