053-9 Wyo. Code R. § 9-1

Current through April 27, 2019

Section 9-1 - Area Definitions

(a) No hazard area - any well which will not penetrate a known H₂S horizon.

(b) Low hazard area - any well which will penetrate a formation containing H₂S with a known .35 psi/ft B.H. pressure gradient or less and/or in which the H₂S zone-has been effectively sealed off by casing/ cementing and/or cementing method.

(c) Medium hazard area - any well which will penetrate a formation containing H₂S not defined in subsections a. and b. of this section.

(d) High hazard area - any operation expected to bring free H₂S gas to the surface; i.e., DST, production testing, etc.

053-9 Wyo. Code R. § 9-1