40 CFR 147.1803 - Existing Class I and III wells authorized by rule
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
Pm = (0.8 − 0.433 Sg) d
Pm = injection pressure at the well head in pounds per square inch
Sg = specific gravity of injected fluid (unitless)
d = injection depth in feet.
[49 FR 45308, Nov. 15, 1984]
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.