Thistle, Inc., a Colorado corporation, Plaintiff-Appellant, v. Tenneco, Inc., a Delaware corporation, Tenneco Oil Company, a Delaware corporation, TOC — Gulf Coast, Inc., a Delaware corporation, TOC — Rocky Mountains Inc., a Delaware corporation, TOC — Mid-Continent, Inc., a Delaware corporation, Amoco Production Company, a Delaware corporation, Fina Oil Chemical Company, a Delaware corporation, and […]