In drilling operations in which mud is used, the operator shall continuously maintain drilling fluid in the hole, from top to bottom, of sufficient weight to control any pressure which may be encountered. Provided, however, an operator may use other appropriate methods to control any pressure which may be encountered, without the use of drilling fluids, upon the approval of the Supervisor.
Author: State Oil and Gas Board
Ala. Admin. Code r. 400-1-4-.12
Statutory Authority:Code of Ala. 1975, §§ 9-17-1, etseq.