Code of Federal Regulations Title 43. Public Lands:  Interior § 43.3162.2–6 When will I have constructive notice that drainage may be occurring?

(a) You have constructive notice that drainage may be occurring when well completion or first production reports for the draining well are filed with either BLM, State oil and gas commissions, or regulatory agencies and are publicly available.

(b) If you operate or own any interest in the draining well or lease, you have constructive notice that drainage may be occurring when you complete drill stem, production, pressure analysis, or flow tests of the well.