Houston-based Schlumberger Technology Corp., a subsidiary of Schlumberger Ltd., Zug, Switzerland, (NYSE: SLB), has purchased approximately 35.63% of the outstanding aggregate principal amount of its 6.50% notes due 2012.

According to the information provided by Global Bondholder Services Corp., the depositary for the tender offer, approximately $231.3 million in aggregate principal amount of the notes was validly tendered and not validly withdrawn prior to the expiration date on Sept. 28. After giving effect to the purchases, approximately $417.9 million in principal amount of the notes remains outstanding.

Holders of tendered notes that were purchased by the company received a purchase price equal to $1,091.39 for each $1,000 principal amount of such notes.

Schlumberger is the world's leading supplier of technology, integrated project management and information solutions to customers working in the oil and gas industry worldwide.