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  2. Drilling Down Into Bakken Well Costs - AOL

    www.aol.com/news/2013-05-31-drilling-down-into...

    The Bakken is a notoriously tough area for producers to drill, which is why the play has some of the highest well completion costs in the U.S. Producers can spend $10 million or more to drill a ...

  3. Well drilling - Wikipedia

    en.wikipedia.org/wiki/Well_drilling

    Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, ...

  4. Key Energy Services - Wikipedia

    en.wikipedia.org/wiki/Key_Energy_Services

    The company, established in 1977, provides well services and is based in Houston, Texas with other offices in Midland, Texas and regional offices in Bakersfield, California; Farmington, New Mexico; Casper, Wyoming; El Reno, Oklahoma; Fort Lupton and Grand Junction, Colorado; Lafayette and Shreveport, Louisiana; and Arnoldsburg, West Virginia.

  5. Valaris Limited - Wikipedia

    en.wikipedia.org/wiki/Valaris_Limited

    Valaris Limited (previously ENSCO-Rowan plc) is an offshore drilling contractor headquartered in Houston, Texas, and incorporated in Bermuda. It is the largest offshore drilling and well drilling company in the world, and owns 52 rigs, including 36 offshore jackup rigs , 11 drillships , and 5 semi-submersible platform drilling rigs .

  6. Patterson-UTI - Wikipedia

    en.wikipedia.org/wiki/Patterson-UTI

    Patterson Drilling Company was founded in 1978 by Cloyce Talbott and Glenn Patterson. [1] UTI Energy was formed in 1986 to purchase Universal Well Services, Union Supply Company, Triad Drilling Company, and International Petroleum Services Company. In 2001, Patterson Drilling acquired UTI Energy and renamed the company Patterson-UTI Energy. [3]

  7. Drilling engineering - Wikipedia

    en.wikipedia.org/wiki/Drilling_engineering

    Drilling engineering is a subset of petroleum engineering. [1] Drilling engineers design and implement procedures to drill wells as safely and economically as possible. [1] They work closely with the drilling contractor, service contractors, and compliance personnel, as well as with geologists and other technical specialists.

  8. Oil and gas law in the United States - Wikipedia

    en.wikipedia.org/wiki/Oil_and_gas_law_in_the...

    A Pugh clause may specify that a producing well may hold only a specified area around that well; after the primary term, the mineral owner is free to lease the rest of the land to others. Pugh clause can be either "vertical", "horizontal", or both. A vertical Pugh clause limits the lease to certain depths or certain geological formations. [13]

  9. Nabors Industries - Wikipedia

    en.wikipedia.org/wiki/Nabors_Industries

    Nabors Industries Limited is an American global oil and gas drilling contractor that has operated since 1972. Based in Houston, Texas, Nabors operates the world’s largest land drilling rig fleet, with around 500 rigs operating in over 25 countries – in almost every significant O&G basin on the planet.