lost circulation control
411979 energy crisis — Further information: 1979 world oil market chronology 1979 oil crisis Graph of Top Oil Producing Counties, showing drop in Iran s Production [1] …
42North Sea oil — is a mixture of hydrocarbons, comprising liquid oil and natural gas, produced from oil reservoirs beneath the North Sea. In the oil industry, the term North Sea often includes areas such as the Norwegian Sea and the area known as West of Shetland …
43Core sample — Rock core samples. The product of a Diamond rig. (The bird is a Pied Butcherbird.) A core sample is a cylindrical section of (usually) a naturally occurring substance. Most core samples are obtained by drilling with special drills into the… …
44Marcellus Formation — Stratigraphic range: Middle Devonian …
45Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …
46Persian Gulf — Khaleej redirects here. For other uses, see Khaleej (disambiguation). Persian Gulf …
47Chevron Corporation — CVX redirects here. For the United States Navy future aircraft carrier program, see United States Navy CVN 21 program. Chevron Corporation Type Public Traded as …
482000s energy crisis — This article is about the causes and analysis of the relatively high oil prices of the 2000s. For discussion of the effects of the crisis, see Effects of the 2000s energy crisis. For a chronology of oil prices during this time, see 2003 to 2011… …
49Niger Delta — Not to be confused with Inner Niger Delta. The Niger Delta, the delta of the Niger River in Nigeria, is a densely populated region sometimes called the Oil Rivers because it was once a major producer of palm oil. The area was the British Oil… …
50Supermajor — is a name commonly used to describe the world s five (and sometimes six) largest publicly owned oil and gas companies.[1][2][3] Contents 1 Composition …
