Okla. Stat. tit. 24, § 24-11: Preferences permitted

Any person in this state indebted to other persons shall have

the right to prefer one or more of such creditors in good faith to

secure a valid debt, which preference may be manifested by payment,

by mortgages, either real or chattel, or by the transfer of personal

property or real estate, and if received by the creditor in good

faith, such conveyance or mortgage shall be valid in the hands of

the mortgagee and constitute a preference to the extent thereof,

subject to the laws relating to the filing and recording of

mortgages.