40 CFR 147.253 - Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule.

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§ 147.253 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 inject fluid (unitless)
d=injection depth in feet.

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  • 2013-06-25; vol. 78 # 122 - Tuesday, June 25, 2013
    1. 78 FR 37973 - Change of Address for Region 7; Technical Correction
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule; technical amendment.
      This final rule is effective June 25, 2013.
      40 CFR Parts 1, 2, 21, 35, 52, 59, 60, 61, 62, 63, 65, 82, 147, 282, 374, 707, and 763