Union Drilling, Inc. provides contract land drilling services and equipment primarily to onshore oil and natural gas producers in Arkansas, New York, Ohio, Oklahoma, Pennsylvania, Texas, and West Virginia, the United States. Union Drilling, Inc. offers drilling rigs, as well as the drilling crews and ancillary equipment to operate its drilling rigs. Union Drilling, Inc. rigs operate in unconventional natural gas producing areas, which are characterized by formations with very low permeability rock, such as shales, tight sands, and coal bed methane that require specialized drilling techniques to develop the natural gas resources. Union Drilling focuses on providing its services in the Appalachian and Arkoma basins, as well as the Barnett Shale formation. Union Drilling, Inc. offers drilling services also to customers engaged in developing unconventional natural gas formations. As of December 31, 2008, Union Drilling, Inc. owned and operated a fleet of 71 land drilling rigs. Union Drilling, Inc. was founded in 1997 and is based in Fort Worth, Texas.

Western Petroleum was founded in 1952.Western Petroleum transports fuels, lubes, and industrial oils to mines, farms, ski resorts, construction and trucking firms, drilling rigs, and other commercial accounts in Colorado, Utah, Nevada, and Wyoming. Western Petroleum also provides on-site and contract fleet fueling from 10 terminals mostly in Colorado and Utah. Western Petroleum distributes products from Chevron, Sinclair, Conoco, and Exxon Mobil including kerosene, filters, methanol, solvents, and anti-freeze. Western Petroleum imports its products from across the US and Canada, ensuring a steady supply even as petroleum prices bounce around.

Regency Energy Partners LP (NASDAQ: RGNC) is midstream natural gas services provider, committed to enhancing and building America’s energy infrastructure. Regency is a growth-oriented Master Limited Partnership that specializes in the gathering and processing, contract compression, and transportation of natural gas and natural gas liquids. Regency focuses on servicing the prolific natural gas producing regions in the United States. Regency’s general partner is owned by an affiliate of GE Energy Financial Services (GE EFS), a business unit of GE (NYSE: GE). Regency serves as a platform for GE EFS’ growth in the midstream sector, and has the ability to support a thriving and growing natural gas market for generations to come.

Exterran Holdings, Inc., together with its subsidiaries, provides operations, maintenance, service, and equipment for oil and natural gas industry. Exterran Holdings, Inc. Contract Operations segment offers natural gas compression and production, and processing services, as well as provides engineering, procurement, and on site construction of natural gas compression stations and/or crude oil or natural gas production and processing facilities. Exterran Holdings, Inc. Aftermarket Services segment sells parts and components, and provides operation, maintenance, overhaul, and reconfiguration services. Exterran Holdings, Inc. Fabrication segment designs, engineers, fabricates, installs, and sells natural gas compression units and accessories; and oil and natural gas production and processing equipment designed to heat, separate, dehydrate, and condition crude oil and natural gas. Exterran Holdings, Inc. products include line heaters, oil and natural gas separators, glycol dehydration units, dewpoint control plants, water treatment, mechanical refrigeration and cryogenic plants, and skid-mounted production packages designed for both onshore and offshore production facilities. This segment also provide engineering, procurement, and construction services primarily related to the manufacturing of process equipment for refinery and petrochemical facilities; the construction of tank farms; and the construction of evaporators and brine heaters for desalination plants. Exterran Holdings, Inc. was founded in 1990 and is based in Houston, Texas.

Qatar Petroleum (QP) is the government-owned oil and gas conglomerate of the small Mideast country. Qatar Petroleum has upstream (exploration, drilling, production) and downstream (refining) operations for crude oil, natural gas, liquefied natural gas (LNG), and other refined products. Its Dukhan oil field can produce up to 335,000 barrels per day. QP has onshore crude oil reserves of 1,842 million barrels and onshore gas reserves of some 8 trillion cubic feet. Its two offshore production stations produced almost 90 million barrels of oil in 2008. Through partnerships with such companies as ExxonMobil, Occidental, and TOTAL, QP supplies oil and gas to North America, Asia and Europe.

Tengasco, Inc. engages in the exploration and production of oil and natural gas in Kansas and Tennessee. Tengasco, Inc. also leases producing and non-producing properties for exploration and development activities. In addition, Tengasco, Inc. owns and operates a 65-mile intrastate pipeline that transports natural gas to customers in Kingsport, Tennessee. Further, Tengasco, Inc. engages in developing and operating treatment and delivery facilities for the extraction of methane gas from non-conventional sources for delivery to natural gas customers through its pipeline system in Tennessee. Tengasco markets its crude oil principally to local refining companies, local utilities, and private industry end-users; and natural gas to local utilities, private industry end-users, and natural gas marketing companies. As of December 31, 2008, Tengasco, Inc. had 184 producing oil wells in Kansas; and 19 producing gas wells and 4 producing oil wells in Tennessee. Tengasco, Inc. was formerly known as Onasco Companies, Inc. and changed its name to Tengasco, Inc. in 1995 as a result of merger with Tengasco, Inc. Tengasco, Inc. was founded in 1916 and is based in Knoxville, Tennessee.

Basic Energy Services, Inc. provides a range of well site services to oil and gas drilling and producing companies in the United States. Basic Energy Services, Inc. Well Servicing segment provides services in a mobile well servicing rig, including installation and removal of downhole equipment, elimination of obstructions in the well bore, and plugging and abandonment services. This segment operates a fleet of 405 well servicing rigs and related equipment. Basic Energy Services, Inc. Fluid Services segment provides oilfield fluid supply, transportation, and storage services, which include transportation of fluids used in drilling and workover operations; sale and transportation of fresh and brine water; operation of company-owned fresh water and brine source wells; rental of portable frac tanks and test tanks; and preparation, construction, and maintenance of access roads, drilling locations, and production facilities. Basic Energy Services, Inc. owns and operates nine land drilling rigs. Basic Energy Services, Inc. operates in onshore oil and natural gas producing regions located in Texas, New Mexico, Oklahoma, Kansas, Arkansas, Louisiana, Wyoming, North Dakota, Colorado, Utah, and Montana. Basic Energy Services, Inc. is based in Midland, Texas.

Pacific Rubiales Energy Corp. (formerly Petro Rubiales Energy Corp) has found a home in Colombia as a producer of heavy crude oil. The Canadian-based company is focused on the exploration, development and production of heavy crude oil in Colombia's Llanos Basin. Pacific Rubiales Energy Corp. (as Consolidated AGX Resources) had been involved in oil and gas exploration on Brazil and mineral mining exploration in Canada. In 2007 Consolidated AGX Resources completed the acquisition of Rubiales Holdings and subsequently changed its name to Petro Rubiales Energy Corp. In 2008 Pacific Rubiales Energy Corp. merged with Pacific Stratus Energy Ltd and became Pacific Rubiales Energy Corp. Pacific Rubiales Energy Corp. subsequently acquired Colombia-based Kappa Energy Holdings.

Galleon Energy Inc. is part of an exclusive group of mid-sized oil and natural gas explorers and producers operating in Western Canada. Galleon Energy Inc. has the largest contiguous land block ever assembled on Alberta’s Peace River Arch and one of the strongest technical teams in the sector. Galleon Energy Inc. is engaged in the exploration and production of crude oil and natural gas, with drilling operations focused across more than 1 million acres in Western Canada, primarily in the provinces of Alberta and British Columbia. A mid-sized oil and gas company, its largest producing properties are East Montney and Eaglesham, with other operations concentrated along the Peace River Arch. Galleon Energy has proved reserves of more than 49 million barrels of oil equivalent.

TrueStar Petroleum wants to shine its light on new prospects for oil and gas exploration in Central and North America. TrueStar Petroleum Corporation has acquired oil and gas assets located in the Newart East Gas Field in Denton, County, Texas, which are being developed by US subsidiary Trinity Barnett LLC. The junior natural resource company has interests in 34 producing natural gas wells, and working interest partners in its various holdings include Devon Energy and Carrizo Oil & Gas. TrueStar Petroleum Corporation also is has a 10% interest in a license for oil and gas development on 554,000 acres in Guatemala. TrueStar Petroleum Corporation has proved reserves of 9.8 billion cu. ft. equivalent of natural gas. Formerly named Trinity Plumas, the company changed its name in 2005.

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