40 CFR 147.3107 - Mechanical integrity.

§ 147.3107 Mechanical integrity.
(a) Monitoring of annulus pressure conducted pursuant to § 146.8(b)(1) shall be preceded by an initial pressure test. A positive gauge pressure on the casing/tubing annulus (filled with liquid) shall be maintained continuously. The pressure shall be monitored monthly.
(b) Pressure tests conducted pursuant to § 146.8(b)(2) of this chapter shall be performed with a pressure on the casing/tubing annulus of at least 200 p.s.i. unless otherwise specified by the Director. In addition, pressure tests conducted during well operation shall maintain an injection/annulus pressure differential of at least 100 p.s.i. throughout the tubing length.
(c) Monitoring of enhanced recovery wells conducted pursuant to § 146.8(b)(3), must be preceded by an initial pressure test that was conducted no more than 90 days prior to the commencement of monitoring.

Title 40 published on 2013-07-01

no entries appear in the Federal Register after this date.

Title 40 published on 2013-07-01

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

  • 2013-08-09; vol. 78 # 154 - Friday, August 9, 2013
    1. 78 FR 48639 - North Dakota Underground Injection Control Program Revision Application
      GPO FDSys XML | Text
      Notice of public comment period and opportunity to request a public hearing.
      Comments will be accepted until September 9, 2013. Any member of the public can request a public hearing on this matter. A public hearing will only be held if requests indicate there is significant public interest. Request for a public hearing will be accepted until September 9, 2013. Requests for a public hearing may be mailed to: Craig Boomgaard EPA Region 8, 1595 Wynkoop Street, MSC 8P-W-UIC, Denver, Colorado, 80202. For additional information regarding the public hearing, please contact Craig Boomgaard (303) 312-6794 or boomgaard.craig@epa.gov.
      40 CFR Part 147