312 IAC 29-33-5 Specifications for cement used in the plugging of wells

Sec. 5. (a) Cement used in the plugging of wells under this rule shall: (1) be Class A, C, or H, as described in the "Specification for Cements and Materials for Well Cementing", American Petroleum Institute, API Specification 10A, Twenty-Fourth Edition (December 2010); and (2) comply with "Standard Specification for Portland Cement", ASTM International, ASTM Standard C150/150M-11 (May 2011). (b) The properties and types of cement used, including cement additives, shall be determined in accordance with commonly recognized industry standards and shall provide for the following: (1) A minimum weight of thirteen (13) pounds per gallon, unless the cement contains additives that improve the ability of the cement to provide necessary protection and that maintains a minimum compressive strength of five hundred (500) pounds per square inch after seventy-two (72) hours. (2) Isolating the well bore from underground sources of drinking water. (3) Preventing the significant loss of cement into voids or lost-circulation zones. (4) Preventing gas flow or movement of any fluids in the annulus or through cemented portions of a plugged well. (5) Protecting commercially minable coal resources as required under 312 IAC 29-17.