Cathedral Energy Services Ltd is a Canada-based company, which is engaged in the business of providing selected oilfield services to oil and natural gas exploration and development entities in western Canada and the United States. The Company carries on its activities in Canada and the United States under the name Cathedral Energy Services with operating division Directional Drilling. The Directional Drilling division provides horizontal, directional and underbalanced drilling services. The Directional Drilling division has approximately 60 Measurement While Drilling (MWD) systems in Canada and over 80 in the United States.