Inventions and Applications
A number of Lucas inventions and scientific or technical knowledge were used in early oil exploration and extraction, with most still being employed. Some are:
- overhead method of mining in salt mines
- surface exploration for underground mineral deposits
- application of steam-driven, hydraulic-rotary drilling rig and of mud in oil well drilling
- construction and application of back pressure valve
- construction of blowout preventers
- designing of well logs
- invention of the Christmas tree oil well
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