Houston-based Schlumberger Technology Corp., a subsidiary of Schlumberger Ltd., Zug, Switzerland, (NYSE: SLB), has commenced a cash tender offer to purchase any and all of one series of its outstanding notes.

The company is offering to purchase for cash any and all of its 6.5% notes due 2012.

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.