1. Roughnecks, rock bits and rigs :
Author: Sandy Gow.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Oil well drilling-- Alberta-- History.,Pétrole-- Puits-- Forage-- Alberta-- Histoire.,Oil well drilling.,TECHNOLOGY & ENGINEERING-- Petroleum.,Alberta., 7
Classification :
TN871
.
2
.
G69
2005eb
2. Roughnecks, rock bits and rigs
Author: Sandy Gow
Library: Library of Urmia University of Technology (West Azarbaijan)
Subject: Oil well drilling- Alberta- History,Petrole- Puits- Forage- Alberta- Histoire
Classification :
TN
,
871
.
2
,
G685
,
2005
