Court of Civil Appeals of Oklahoma May 1992 casesFisher v. Grace Petroleum Corp.Matter of Estate of RingwaldForristall v. ForristallGuyer v. Hugo Publishing Co.United Crude Marketing v. Robert GordonPennaco Resources v. Okl. Corp. Com'nMatter of Estates of YoungSamson Resources v. Corporation Com'nShockley v. BrownMatter of M.A