Original oil and gas trade magazine vintage ad for SCHLUMBERGER WELL SURVEYING CORPORATION of Houston, TX. The End of This Line is Just the Beginning. When a Schlumberger truck rolls off this production line in the new Headquarters at Houston, it is dispatched to one of more than ninety field branches in the United States and Canada. This unique 1953 old petroleum oilfield equipment magazine advertisement would display beautifully matted and framed.