Code of Federal Regulations · Section

§ 147.503 — Existing Class II (except Enhanced Recovery And Hydrocarbon Storage) Wells Authorized By Rule

40 C.F.R. § 147.503

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Maximum injection pressure. To meet the operating requirements of § 144.28(f)(3)(i) of this chapter, the owner or operator shall use an injection pressure at the well head no greater than the pressure calculated 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 injected fluid (unitless)

d = injection depth in feet.

40 C.F.R. § 147.502 40 C.F.R. § 147.504

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