Natural Gas

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Across
  1. 2. The standard energy unit (British Thermal Unit) used to measure gas heat content.
  2. 3. The extensive transport network used to deliver gas to homes.
  3. 6. The process used to bore into the earth to access gas pockets.
  4. 8. A safety hazard that sensors and mercaptan help detect.
Down
  1. 1. Equipment used at compressor stations to keep gas moving.
  2. 4. A sedimentary rock formation that serves as a major gas source.
  3. 5. Short for hydraulic fracturing, a common extraction method.
  4. 7. The primary chemical component of natural gas (CH4).