Transocean Offshore Inc. has completed its merger with Sedco Forex, which was spun-off from Schlumberger Limited. The resulting company, Transocean Sedco Forex Inc., is now the world's largest offshore drilling contractor and third-largest oilfield services company in terms of equity market capitalization, based on closing market prices on Dec. 30. In the merger, approximately 109.6 million ordinary shares of Transocean Offshore are being issued to stockholders of Schlumberger. The number of new shares issued is equivalent to 0.1936 shares of Transocean Sedco Forex for each outstanding Schlumberger share. Following the merger, Schlumberger stockholders hold about 52% of the approximately 210.1 million outstanding shares of Transocean Sedco Forex.