40 CFR 147.1803 - Existing Class I and III wells authorized by rule - maximum injection pressure.

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§ 147.1803 Existing Class I 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

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

Pm = (0.8 − 0.433 Sg) d
where:
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 2015-08-22

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

  • 2017-01-26; vol. 82 # 16 - Thursday, January 26, 2017
    1. 82 FR 8499 - Delay of Effective Date for 30 Final Regulations Published by the Environmental Protection Agency Between October 28, 2016 and January 17, 2017
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule; delay of effective dates.
      This regulation is effective January 26, 2017. The effective date of each regulation listed in the table below is delayed to a new effective date of March 21, 2017.
      40 CFR Parts 22, 51, 52, 61, 68, 80, 81, 124, 147, 171, 239, 259, 300, and 770