Petroleum Engineering 79712 US-TX-Midland Petroleum Engineering US-Ri-Port Harcourt Petroleum Engineering 77299 US-TX-Houston Petroleum Engineering US-Gr-London Petroleum Engineering GB---- Petroleum Engineering US----Lakewood Petroleum Engineering 79769 US-TX-Odessa Petroleum Engineering 77299 US-TX-Houston Petroleum Engineering 79499 US-TX-Lubbock petroleum engineering 77393 US-TX-Spring Petroleum Engineering US----Houston Petroleum Engineering US-TX-Texas Petroleum Engineering 78135 US-TX-New Braunfels petroleum Engineering US-TN-Chennai petroleum engineering EG----Cairo Petroleum Engineering 77299 US-TX-Houston petroleum engineering US-Ta-Erode Petroleum engineering US-Ta-Chennai Petroleum Engineering US-Ta-Chennai Petroleum Engineering US-Ba-Mogadishu Petroleum Engineering 20792 US-MD-Upper Marlboro Petroleum Engineering 16686 US-PA-Tyrone Petroleum engineering M4E 3T3 US-ON-Scarborough Petroleum engineering NG---- Petroleum engineering GB----Southampton