California Code of Regulations
Title 14 - Natural Resources
Division 2 - Department of Conservation
Chapter 4 - Development, Regulation, and Conservation of Oil and Gas Resources
Subchapter 2 - Environmental Protection
Article 4 - Well Stimulation Treatments
Section 1787 - Well Monitoring After Well Stimulation Treatment
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Operators shall monitor each well that has had a well stimulation treatment as specified in subdivision (d) to identify any indication of a well breach. If monitoring indicates that a well breach may have occurred, then the operator shall perform diagnostic testing on the well to determine whether a breach has occurred. Diagnostic testing shall be done as soon as is reasonably practical. The Division shall be notified when diagnostic testing is being done so that Division staff may witness the testing. All diagnostic testing results shall be immediately provided to the Division.
(b) If diagnostic testing reveals that a breach has occurred, then the operator shall immediately shut-in the well, isolate the perforated interval, and notify the Division and the Regional Water Board with all of the following information:
(c) The operator shall not resume operation of a well that has been shut-in under subdivision (b) without first obtaining approval from the Division.
(d) Operators shall adhere to the following requirements for a well that has had a well stimulation treatment:
1. New section filed 12-30-2014; operative 7-1-2015 pursuant to Public Resources Code section 3161(a), as amended by SB 4, Stats. 2014, c. 313 (Register 2015, No. 1).
2. Editorial correction of HISTORY 1 (Register 2017, No. 24).
Note: Authority cited: Sections 3013 and 3160, Public Resources Code. Reference: Sections 3106 and 3160, Public Resources Code.