Okla. Stat. tit. 58, § 58-721: Appealable judgments and orders of district court

An appeal may be taken from the following judgments or orders of

the district court:

1. Granting, or refusing, or revoking letters testamentary or

of administration, or of guardianship, or conservatorship;

2. Admitting, or refusing to admit, a will to probate;

3. Against or in favor of the validity of a will or revoking

the probate thereof;

4. Against or in favor of setting apart property, or making an

allowance for a widow or child;

5. Against or in favor of directing the partition, sale or

conveyance of real property;

6. Settling an account of an executor, or administrator or

guardian;

7. Refusing, allowing or directing the distribution or

partition of an estate, or any part thereof or the payment of a

debt, claim, legacy or distributive share;

8. Refusing or allowing the release of estate tax liability;

9. An order determining liability for estate taxes made

pursuant to Section 268 of this title; or

10. From any other judgment, decree or order of the court in a

probate cause, or of the judge thereof, affecting a substantial

right.