shallow-well casing pipe
21Expandable tubular technology — is a system for increasing the diameter of the casing or liner of an oil well by up to 20% after it has been run down hole.ChallengesTwo challenges facing the Oil Gas industry are accessing new reservoirs that currently cannot be reached… …
22History of the petroleum industry in Canada (frontier exploration and development) — discoveries took place near population centres or along lines of penetration into the frontier. The first oil play, for example, was in southern Ontario. The first western natural gas discovery occurred on a Canadian Pacific Railway right of way …
23Asbestos — For other uses, see Asbestos (disambiguation). Fibrous asbestos on muscovite …
24History of wood carving — From the remotest ages the decoration of wood has been a foremost art. The tendency of human nature has always been to ornament every article in use. The North American Indian carves his wooden fish hook or his pipe stem just as the Polynesian… …
25Natural 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] …
2610 Downing Street — Number 10 Downing Street General information Town or city City of Westminster, London Country United Kin …
27Heinkel He 177 — infobox Aircraft name =He 177 type =Heavy bomber manufacturer =Heinkel Flugzeugwerke caption = He 177 A 02 production prototype designer = first flight =November 1939 introduced =1942 retired =1945 status = primary user =Luftwaffe more users =… …
28Turbofan — [ CFM56 3 turbofan, lower half, side view.] A turbofan is a type of jet engine, similar to a turbojet. It essentially consists of a ducted fan with a smaller diameter turbojet engine mounted behind it that powers the fan. Part of the airstream… …
29M39 Pantserwagen — Type Armoured car Place of origin  Netherlands …
