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Webcasts Fourth-quarter 2007 Results Sign up for news updates E-mail Name Text Only HTML Only Text/HTML Market summary SLB 99.27 -1.27 Brent 125.56 -0.88 WTI 126.20 +0.71 Natural Gas 9.34 +0.02 Oil Service 191.65 -2.57 Rig Counts Worldwide 4358 +206 U.S. 2170 -34 Canada 353 -24

• Schlumberger Announces Second-Quarter 2008 Results
• Schlumberger Declares Quarterly Dividend
• Schlumberger Acquires Staag Imaging, L.P.

• Gould Speaks at Deloitte Energy Conference
  Schlumberger Chairman and CEO Andrew Gould offers a service company view on the dynamics of global energy security in his address to attendees of the Deloitte Energy Conference, May 19, 2008.
  
  
• Gould Speaks at 36th Annual Howard Weil Energy Conference
  Schlumberger Chairman and CEO Andrew Gould addressed the oil and gas investment community at the annual Howard Weil Energy Conference held in New Orleans, Louisiana.
  
  
• Gould Speaks at 2nd Annual SPE Intelligent Energy Conference in Amsterdam
  
  
• Gould Speaks at the 28th Annual Oil & Money Conference

• Intelligent Asset Integration
  Reservoirs, wellbores, gathering lines, and processing facilities each constitute complex, dynamic systems. Recognizing that performance of each individual system is intimately linked to that of the others, some companies manage them as a single asset. Downhole and surface sensors help operators assess the performance of components from one end of an asset to the other. However, as more downhole and surface sensors and instrumentation are installed, operators are forced to process and manage enormous streams of data.
  
  
• Managing Complex Assets from Reservoir to Process Plant
  Efficient management of large, mature fields is challenging. In the Mumbai High field, which represents 40% of India's crude oil production, the Oil and Natural Gas Corporation (ONGC) manages production from almost 700 oil and gas wells and 200 water-injection wells. ONGC set a goal, not only to arrest decline, but to boost production in this mature field primarily through optimizing the gas lift operations. After a massive data-gathering program, ONGC ran simulations to history-match model predictions of pressure, temperature, and rates. This analysis provided more than 350 opportunities to improve production.