(plaintiff's claims for negligence, trespass, nuisance and inverse condemnation arising from defendant's installation of underground interstate natural gas pipeline dismissed; plaintiff sold defendant 50-foot wide permanent right-of-way easement and plaintiff signed a release which released defendant from all claims and damages of every kind whatsoever, present and future, to interests of the undersigned arising from or related to the surveying, preparation, laying and construction of a pipeline and appurtenances under, upon, and across the plaintiff's land).