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  2. 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.

  3. Well drilling - Wikipedia

    en.wikipedia.org/wiki/Well_drilling

    Tricone rock bit. 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, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring.

  4. Schramm Inc. - Wikipedia

    en.wikipedia.org/wiki/Schramm_Inc.

    The company also manufactured the T130XD air core drilling rig owned by Geotec S.A., a Chilean-American joint venture drilling company. The T130 heavy drill was chosen by the general contractor for Plan B, Chilean firm Drillers Supply S.A., to widen one of the three 5.5 inches (14 cm) wide and 700 metres (2,300 ft) deep boreholes that were ...

  5. Layne Christensen Company - Wikipedia

    en.wikipedia.org/wiki/Layne_Christensen_Company

    Layne Christensen Company is a U.S.-based global water management, construction and drilling company. The company has two divisions, which are Water Resources-Mineral Services and Inline. The company has two divisions, which are Water Resources-Mineral Services and Inline.

  6. China Oilfield Services - Wikipedia

    en.wikipedia.org/wiki/China_Oilfield_Services

    COSL claims a 95% share of China's market for offshore drilling services, 70% of the marine support and transportation market, 60% of the well survey services market and more than 50% of the seismic data collection market. Globally, about 15% of oil companies' capital expenditure goes to exploration, 35% to field development and 50% to production.

  7. Deviation survey - Wikipedia

    en.wikipedia.org/wiki/Deviation_survey

    In the oil industry, a deviation survey, [1] or simply a survey, is the measurement of a borehole's departure from the vertical, expressed in degrees (°).. When a well plan dictates the drilling of a straight borehole, surveys are periodically taken to ensure that it will hit its target and also to ensure that it does not trespass underneath different property lines.

  8. Major Drilling Group International - Wikipedia

    en.wikipedia.org/wiki/Major_Drilling_Group...

    Major Drilling Group International Inc. is the world's largest mineral drilling company serving the mining industry. [citation needed]To support its customers’ varied exploration drilling requirements, Major Drilling maintains field operations and offices in Canada, the United States, Mexico, South America, Asia, Africa and Europe.

  9. New drilling technologies - Wikipedia

    en.wikipedia.org/wiki/New_drilling_technologies

    Producing boreholes with wide range of diameters or drilling in water environment can be mentioned. The research team from Slovakia has developed drilling concept based on utilization of electrical plasma. The core of the research is held in Research Centre for Deep Drilling which was opened in the premises of Slovak Academy of Sciences.