Answer: derricks

AnswerCrossword Clue
DERRICKSOil field sights
DERRICKSFrameworks over oil wells.
DERRICKSHoisting units
DERRICKSOil-drilling needs
DERRICKSOil-well equipment
DERRICKSFrameworks over oil wells
derricksboom for lifting heavy cargo
derricksthe towerlike framework over an oil well