Okla. Stat. tit. 82 § 661
The same land, if conducive to public health, safety, convenience or welfare, may be included in more than one district and be subject to the provisions of this act for each and every district in which it may be included, provided, that no district shall be organized under this act, in whole or in part, within the territory of a district already organized under this act until the court or courts determine whether the public health, safety, convenience or welfare demand the organization of an additional district, or whether it demand that the territory proposed to be organized into an additional district shall be added to the existing district, and in case the proceedings concerning two or more such districts are before the district court of two or more counties, such determination shall be as provided in the next section.
Okla. Stat. tit. 82, § 661