Complex sentence: Later the equipment, (a new rotating hydraulic drilling), collapsed upon reaching a depth of approximately 275 m. Since able to deal with technical difficulties on his own but short on money, Lucas asked for help John Rockefeller, the one of the Standard Oil.
Split into simpler sentences: Later the equipment, a new rotating hydraulic drill, collapsed upon reaching a depth of approximately 275 meters. Able to deal with technical difficulties on his own but short on money, Lucas asked for help from John Rockefeller, of Standard Oil.