Supply and costs in the U. S. petroleum industry : two econometric studies ; The supply of curves of wildcat drilling and of new petroleum discoveries in the United States, Measuring the effects of depth and technological change on drilling costs / By Franklin M. Fisher. Fisher, Franklin M. Oil well drilling Costs. 330.18 FIS Bibliographical footnotes. Washington : Resources for the Future; distributed by the Johns Hopkins Press, Baltimore, 1964. 1964. 1964 Text xiii, 177 p. : eng