This Week in Petroleum History: April 13 – 19
April 13, 1974 – Depth Record set in Oklahoma’s Anadarko Basin –
After drilling for 504 days and spending about $7 million, the Bertha Rogers No. 1 well reached a total depth of 31,441 feet — almost six miles — before being stopped by liquid sulfur. Drilled in Oklahoma’s Anadarko Basin, it held the record of the world’s deepest well for more than a decade. (more…)
