40 CFR 147.1953 - Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule.

Regulations last checked for updates: Nov 24, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024

§ 147.1953 - Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule.

Maximum injection pressure. The owner or operator shall limit injection pressure to the lesser of:

(a) A value which will not exceed the operating requirements of § 144.28(f)(3) (i) or (ii) as applicable or

(b) A value for well head pressure calculated by using the following formula:

Pm = (0.733 − 0.433 Sg)d

where:

Pm = injection pressure at the well head in pounds per square inch

Sg = specific gravity of injection fluid (unitless)

d = injection depth in feet.

authority: 42 U.S.C. 300f

source: 49 FR 20197, May 11, 1984, unless otherwise noted.

cite as: 40 CFR 147.1953