Transocean Ltd. (RIG) , owner of the biggest fleet of deep-water drilling rigs, is feeling the effect of an industrywide glut in the expensive vessels just as crude-oil prices tumble. The company will delay posting third-quarter results after saying earnings would be hit by $2.76 billion in charges from a decline in the value of its contracts-drilling business and a drop in rig-use fees. Shares in the Vernier, Switzerland-based company, which pushed back the release of its earnings report to Monday instead of today, fell 0.7 percent to $29.71 at the close in New York . Oil’s decline to a four-year low in recent months has caused companies to consider spending cuts, which would further reduce demand for rigs and the rates Transocean can charge to lease them to explorers. The drop in prices comes after rig contractors responded to rising demand during the past few years with the […]