Common use of Optional Modifications Clause in Contracts

Optional Modifications. The Lessee may, at no expense to the Lessor, make (or cause or allow to be made) such other Severable and Nonseverable Modifications to the Production System not required by Section 11.3 as do not (i) decrease the value (except to a de minimis extent) or utility of the Production System or decrease the remaining useful life or cause the Production System to become "limited use property" within the meaning of Revenue Procedure 76-30 or (ii) alter the primary function of the Production System (namely to drill and produce oil and gas), taken as a whole, to a function other than its primary function on the Closing Date.

Optional Modifications. The Lessee may, at no expense to the Lessor, make (or cause or allow to be made) such other Severable and Nonseverable Modifications to the Production System not required by Section 11.3 as do not (i) decrease the value (except to a de minimis extent) or utility of the Production System or decrease the remaining useful life or cause the Production System to become "limited use property" within the meaning of Revenue Procedure 76-30 or (ii) alter the primary function of the Production System (namely to drill and produce oil and gas), ) taken as a whole, to a function other than its primary function on the Closing Date.