43 CFR 3214.13 - What is the minimum dollar amount required for a bond?
The minimum bond amount varies depending on the type of activity you are proposing and whether your bond will cover individual, statewide, or nationwide activities. The minimum dollar amounts and bonding options for each type of activity are found in the following regulations:
(b) Drilling operations - see § 3261.18; and
(c) Utilization operations - see §§ 3271.12 and 3273.19.