40 CFR 147.303 - Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule.

§ 147.303 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 wellhead pressure calculated by using the following formula;

Pm = (0.733-0.433 Sg)d
where:
Pm = injection pressure at the wellhead in pounds per square inch
Sg = specific gravity of injected fluid (unitless)
d = injection depth in feet.

Title 40 published on 10-May-2017 04:28

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 147 after this date.

  • 2017-05-19; vol. 82 # 96 - Friday, May 19, 2017
    1. 82 FR 22949 - State of North Dakota Underground Injection Control Program; Class VI Primacy Approval
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Proposed rule.
      Comments must be received on or before July 18, 2017.
      40 CFR Part 147