Code of Colorado Regulations
400 - Department of Natural Resources
404 - Oil and Gas Conservation Commission
2 CCR 404-1 - PRACTICE AND PROCEDURE
Section 312 - SUBSEQUENT OPERATIONS ON EXISTING WELLS

a. The Operator will submit and obtain the Director's approval of a Form 4 before conducting any subsequent Well operations involving heavy equipment, except for routine Well maintenance.

b. Verbal Approval. If during the course of the subsequent operations or routine Well maintenance the Operator determines that additional subsequent operations involving heavy equipment that are not routine maintenance are necessary, the Operator may obtain verbal approval from the Director to conduct the subsequent operations. If the Operator obtains verbal approval from the Director, the Operator will submit a Form 4 to obtain written approval from the Director within 7 days.

c. Information Requirements. The Form 4 will describe the details of the proposed work.

d. Approval of Subsequent Well Operations. The Director may approve a Form 4 that complies with all requirements of the Commission's Rules, and protects and minimizes adverse impacts to public health, safety, welfare, the environment, and wildlife resources.

e. Notice Requirements. An Operator will provide notice of operations covered by Rule 312.a to the Surface Owner pursuant to Rule 412.a.(4).