Oil Well Drilling
Zynga
Idle Oil Well
Solid Games
OceanCrew - offshore, drilling
Oleg Prochanov
Wishing Well
Ray Mobile Games
Crude Oil Drilling-Oil Mining
World of Web- WOW
Turmoil
LTGAMES GLOBAL
Oil Era - Idle Mining Tycoon
SOFISH GAMES
Drilling and Well Control Sim
Smart Mirror LLC
Oil Tycoon 2: Idle Miner Game
Holy Cow Studio