drilling efficiency
101DEME — Dredging, Environmental and Marine Engineering NV Type Limited company Founded 1991 Headquarters Zwijndrecht, Belgium Area served Worldwide Key people Luc Bertrand ( …
102Petroleum industry in Nigeria — The petroleum industry in Nigeria is the largest industry and main generator of GDP in the West African nation which is also the continent s most populous. Since the British discovered oil in the Niger Delta in the late 1950s, the oil industry… …
103Fermium — Not to be confused with Ferrum , the Latin name for Iron. einsteinium ← fermium → mendelevium …
104Natural gas — For other uses, see Natural gas (disambiguation). Natural gas extraction by countries in cubic meters per year. Natural gas is a naturally occurring gas mixture consisting primarily of methane, typically with 0–20% higher hydrocarbons[1] …
105Chris Van Hollen — Member of the U.S. House of Representatives from Maryland s 8th district Incumbent …
106The Nature Conservancy — This article is about the US charitable organization. For the Canadian organization, see The Nature Conservancy of Canada. For the former UK government organization, see Nature Conservancy (UK). The Nature Conservancy Founded 1951 Location …
107Hydrocyclone — 1. the liquid solid mixture enters, 2. heavy solids leave, 3. cleaned liquid leaves.A hydrocyclone is a device to classify/separate or sort particles in a liquid suspension based on the densities of the particles. A hydrocyclone may be used to… …
108Uranium mining — The Ranger Uranium Mine in Australia …
109Economic history of China before 1911 — For developments after 1911, see Economic history of Modern China. A Chinese dragon seen floating among clouds, engraved on a golden canteen dated to the 15th century, during the …
110United States Department of Energy — For the education department, see United States Department of Education. United States Department of Energy Seal of the Department of Energy …
