Show Nuclear stimulated gas gaswell gaswell gaswell well shut-in shut The second phase of production testing of the Project Hio Rio Blanco nuclear stimulated gas well was completed last week and the well was shut in million cubic feet of gas was produced from the well at al rates up to 24 during the first phase and between two and eight during the second phase of production testing He-entry He drilling of the Hio Rio Blanco well was completed last October and the first phase of production testing was conducted conducted conducted con con- ducted from November 20 14 1973 The test was halted to allow time for equipment modification and analysis of data Approximately 38 of gas was produced during the first testing period TIm SECOND SE n testing phase which began January 28 yielded about 63 of gas A rapid decline in bottom hole pressure was observed during the first phase of the production test lest The pressure increased during the shut-in shut period but made a similar decrease during the second production test The buildup of bottom hole pressure will twill be monitored during the current shut shut-in period test results indicate that gas produced so far appears to be confined to that originating in the vicinity of the fractured area created by bythe bythe bythe the detonation of the top nuclear explosive Data collected to date dale will be analyzed ed and a decision will bl be made as to what additional activity will be necessary to full fully evaluate the project Till TilE AMOUNT of radioactivity in the gas was w within pt predicted ranges Project Hio Rio Blanco the third underground nuclear gas stimulation experiment in the U. U S. S Atomic tomic Energy Commissions Commission's Plowshare Program was conducted May 17 1973 The test consisted of three kiloton 30 nuclear explosives detonated in a single well bore more than a mile beneath the surface of the Basin in western Colorado Industrial sponsors of the project are arc CEH Corporation and Equity Oil Company |