30 C.F.R. § 250.1603 Determination of sulphur deposit.
Title 30 - Mineral Resources
(a) Upon receipt of a written request from the lessee, the District Manager will determine whether a sulphur deposit has been defined that contains sulphur in paying quantities (i.e., sulphur in quantities sufficient to yield a return in excess of the costs, after completion of the wells, of producing minerals at the wellheads). (b) A determination under paragraph (a) of this section shall be based upon the following: (1) Core analyses that indicate the presence of a producible sulphur deposit (including an assay of elemental sulphur); (2) An estimate of the amount of recoverable sulphur in long tons over a specified period of time; and (3) Contour map of the cap rock together with isopach map showing the extent and estimated thickness of the sulphur deposit.
Title 30: Mineral Resources
PART 250—OIL AND GAS AND SULPHUR OPERATIONS IN THE OUTER CONTINENTAL SHELF
Subpart P—Sulphur Operations
§ 250.1603 Determination of sulphur deposit.
