Okla. Stat. tit. 4, § 4-144: Severalty owned lands enclosed in common without partition

fence - Division of fence line - Construction of fence.

When lands owned in severalty have been enclosed in common

without a partition fence, and one of the owners is desirous of

occupying his in severalty and the other refuses or neglects to

divide the line where the fence shall be built, or refuses to build

a sufficient fence on his part of the line, when divided, the party

desiring it may have the same divided and assigned by the fence

viewers, who may, in writing, assign a reasonable time within six

(6) months, having regard for the season of the year, for making the

fence, and if either party neglects to comply with the decision of

the viewers the other, after making his own part, may make the other

part and recover as hereinbefore provided.