Oil explorers
Oil & Gas Exploration & Production and all other industries are ranked based on their aggregate 3-month fund flows for all U.S.-listed ETFs that are classified by ETFdb.com as being mostly exposed to those respective industries. 3-month fund flows is a metric that can be used to gauge the perceived popularity amongst investors of Oil & Gas The role of exploration is to provide the information required to exploit the best opportunities presented in the choice of areas, and to manage research operations on the acquired blocks. An oil company may work for several years on a prospective area before an exploration well is spudded and during this period the geological history of the area is studied and the likelihood of hydrocarbons being present quantified. oil exploration. In the early days of petroleum prospecting in Texas most oil finds were the result of digging or drilling near known oil and gas seeps, as Lyne T. Barret did in 1866 at Oil Spring in Nacogdoches County, or of accidental finds while drilling for water, as with George Dullnig's 1886 strike in Bexar County or the discovery of oil in Corsicana in 1894.