دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: an instrument used to transfer legal title to property as security for the repayment of a loan or the fulfillment of some other obligation. Compare mortgage. deep drilling n: any drilling project that is deeper than average for a given area or time period.

n: a claim or charge on property, for example, a mortgage or lien for unpaid taxes.

n: an estate created by a conveyance absolute in form but intended to secure the performance of some act, such as the payment of money, and to become void if the act is performed in agreement with terms. Compare deed of trust.

n: in the case of an oil and gas lease, a supplementary agreement that resolves the priority of rights to the leased property and subordinates an earlier instrument (for example, a mortgage) to the oil and gas lease.