Oil and Natural Gas Crossword Puzzle

QUESTIONS LIST:

• diesel fuel : this fuel made from petroleum is used in diesel engines, for both transportation and power plants.
• kerosene : this light fuel obtained by distilling petroleum is used as lamp oil and in jet engines.
• conventional : this is what we call natural gas that was extracted by using the easy method of drilling into a gas pocket.
• moratorium : this is a formally agreed-upon period of time during which a specific activity is halted or postponed.
• shale gas : this gas is removed from shale formations, using unconventional gas extraction methods.
• permafrost : this permanently-frozen ground has an upper, "active" layer that thaws in the summer.
• liquefied : _ natural gas - this is mostly methane and has been cooled to liquefy it for ease of transport.
• skimmer vessel : this specially-designed ship vacuums oil from the surface of the ocean and pumps it into storage barges.
• super tanker : this large ship is equipped to transport large quantities of coal or natural gas.
• oil sands : also called tar sands, these oil-saturated sands are found in northern alberta.
• bitumen : this is semi-solid petroleum found in oil sands.
• unconventional : this is what we call natural gas that was trapped in rock and was removed by non-standard methods.
• in situ : this oil-extraction process heats bitumen with steam to liquefy it and then pump it to the surface.
• carbon crude : this ultra-clean mixture of natural gas and carbon dioxide can be used to replace gasoline.
• pipeline : this network of under and above-ground pipes is used to transport oil, natural gas, water or sewage.
• oil dispersant : this oil-dissolving chemical is sprayed from aircraft into an oil spill.