Review

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Across
  1. 3. A hole drilled into the Earth´s subsurface to extract or explore for natural resources, such as oil or gas
  2. 4. a record or chart of geological formations found during drilling, providing information about layers and resources
  3. 5. the elevated platform on a drilling rig where the driller and assistant control the operations
  4. 7. a tall framework or tower that supports the drilling equipment and provides a means to raise and lower the drill string
Down
  1. 1. the person responsible for handling and maintaining drilling equipment, pipes and other manual tasks
  2. 2. the person on a drilling rig responsible for the maintenance and operation of the engines and motors that power lots of equipment
  3. 6. a 3 or more sided shaped steel pipe connecting the swivel to the drill pipe