Imperial Oil Oil discovered the Leduc Woodbend Devonian oil reef in 1947, marking the beginning of the contemporary period in Canadian oil and gas development. Drilling began on the landmark discovery well Leduc No. 1 on November 20, 1946. In 1989, Imperial Oil acquired Texaco's Canadian operations. From the 1934-35 season through the 1975-76 season, Imperial Oil was a sponsor of the Canadian Broadcasting Corp. program "Hockey Night in Canada" for both radio and television broadcasts. In February 2013, Richard Kruger, President of ExxonMobil Production Co. and a Vice President of Exxon Mobil Corp., was appointed to be Chief Executive of Imperial
English wine cask units the traditional English volumes are commonly used in the wine and wine cooperage industries. Examples include a hogshead of , a barrique of (Bordeaux), a barrel of (Australia), a barrel of (Burgundy) and a puncheon of . The tun (, , Middle Latin: "") is an English unit of "liquid volume" (not weight), used for measuring wine, oil or honey. Typically a large vat or vessel, most often holding 252 wine gallons, but occasionally other sizes (e.g. 256, 240 and 208 gallons) were also used. In one example from 1507, a tun is defined as 240 gallons. The butt (from