June 18 (Reuters) - BP Plc <BP.L> <BP.N> is drilling a pair of relief wells intended to kill the gushing leak in the Gulf of Mexico, which could happen in August at the earliest. Until then, the ...

Well control maintains bottomhole pressure within the safe window between formation pore pressure and fracture pressure to prevent influxes (kicks), blowouts, and formation breakdown during drilling, ...

Well tractors are self-propelled downhole conveyance tools that generate axial thrust to move wireline or coiled-tubing toolstrings through highly deviated and horizontal sections where gravity and ...