Moscow, October 05, 2010

Eurasia Drilling Company and Schlumberger enter strategic alliance, sell and purchase assets

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Combining the Largest Independent Provider of Land Drilling Services in Russia with the World's Leading Oilfield Services Company to Optimize Drilling Performance for Russian operators

Eurasia Drilling Company Limited (Eurasia) and Schlumberger announced today that they have signed a Letter of Intent to sell and purchase each other's drilling and service assets while entering a strategic alliance in the CIS. Schlumberger has agreed to sell all drilling, sidetrack and workover rigs currently operating mainly in West Siberia to Eurasia. As part of the sale, the rigs' crews will transfer to Eurasia. Schlumberger has also agreed to purchase the Eurasia drilling services businesses, which include the directional drilling, measurement while drilling, cementing, and drilling fluids services to support 80 rigs. The field crews to support delivery of these services will move to Schlumberger. In addition, Schlumberger and Eurasia have agreed to enter a strategic alliance upon completion of the transaction whereby Schlumberger becomes the preferred supplier of drilling services to Eurasia Drilling for up to 200 rigs for a 5-year period.

"We see this transaction as a recognition of Eurasia's leading position in the well construction market as well as the foundation of a long-term relationship between two industry leaders. Since Eurasia was created, our objective has been growth through continuous improvement in product delivery. The additional rigs will strengthen our position in the Russian drilling rig market as well as helping us diversify our client base. In addition, the divestiture of Eurasia's oilfield services arm will allow us to focus on our core drilling business. By joining forces, I am convinced that we will have the right formula to meet our customers' needs," said Alexander Djaparidze, Chief Executive Officer of Eurasia.

Maurice Dijols, President of Schlumberger Russia added "The combination of Eurasia's drilling rig footprint with Schlumberger drilling services offers an unmatched solution to customers in Russia. The recent merger of Smith International with Schlumberger will allow us to develop a fit-for-purpose drilling assembly in conjunction with the additional drilling services and drilling fluids services needed to address the active Russian well construction market. In addition, the alliance will also provide opportunities for both companies to deliver a unique offering including the deployment of the latest technologies for the more complex onshore and offshore markets."

About Eurasia Drilling Company Limited

Eurasia Drilling Company Limited (LSE: EDCL) is the largest independent provider of onshore drilling services in Russia, providing onshore integrated well construction services and workover services. In addition, we provide offshore drilling services in the Caspian Sea. We offer our onshore integrated well construction services and workover services to local and international oil and gas companies primarily in Russia and our offshore drilling services to Russian and international oil and gas companies in the Russian, Kazakh and Turkmen sectors of the Caspian Sea.

Eurasia Drilling Company Limited reported revenues of .38 billion in 2009. For more information, visit www.eurasiadrilling.com

About Schlumberger

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. Employing more than 105,000 people representing over 140 nationalities and working in approximately 80 countries, Schlumberger provides the industry's widest range of products and services from exploration through production.

Schlumberger Limited has principal offices in Paris, Houston and The Hague and reported revenues of .70 billion in 2009. For more information, visit http://www.slb.com/.

For further information, contact

Kim L. Kruschwitz
Vice President, Marketing and Investor Relations
Eurasia Drilling Company Limited
Tel: +44 (0) 207 717 9707
investors.relations@eurasiadrilling.com

Malcolm Theobald
Vice President of Investor Relations
Schlumberger Limited
Office +1 (713) 375-3535
Investor-relations@slb.com

Stephen Whittaker
Director of Corporate Communications
Schlumberger Limited
Office + 33 1 40621308
mailto:investor-relations@slb.com

Some of the views expressed in this document may constitute "forward looking statements" that involve known and unknown risks, uncertainties and other factors which may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements.

05 October 2010

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