X0204 3 2011-08-01 0 0000087347 SCHLUMBERGER LTD /NV/ SLB 0001527607 Floridia Aaron Gatt 5599 SAN FELIPE, 17TH FLOOR HOUSTON TX 77056 false true false false President Common Stock, $0.01 par value per share 8802 D NQ Stock Option (right to buy) w/ tandem Tax w/h right 58.455 2008-01-17 2017-01-17 Common Stock, $0.01 par value per share 1290 D Incentive Stock Option (right to buy) 58.455 2008-01-17 2017-01-17 Common Stock, $0.01 par value per share 1710 D NQ Stock Option (right to buy) w/ tandem Tax w/h right 84.93 2009-01-17 2018-01-17 Common Stock, $0.01 par value per share 6823 D Incentive Stock Option (right to buy) 84.93 2009-01-17 2018-01-17 Common Stock, $0.01 par value per share 1177 D Incentive Stock Option (right to buy) 37.845 2010-01-22 2019-01-22 Common Stock, $0.01 par value per share 1603 D NQ Stock Option (right to buy) w/ tandem Tax w/h right 37.845 2010-01-22 2019-01-22 Common Stock, $0.01 par value per share 6397 D Incentive Stock Option (right to buy) 45.88 2010-04-23 2019-04-23 Common Stock, $0.01 par value per share 859 D NQ Stock Option (right to buy) w/ tandem Tax w/h right 45.88 2010-04-23 2019-04-23 Common Stock, $0.01 par value per share 39141 D NQ Stock Option (right to buy) w/ tandem Tax w/h right 68.505 2011-01-21 2020-01-21 Common Stock, $0.01 par value per share 30000 D RSU (restricted stock unit) 0 2013-02-04 2020-02-04 Common Stock, $0.01 par value per share 8000 D NQ Stock Option (right to buy) w/ tandem Tax w/h right 83.885 2012-01-20 2021-01-20 Common Stock, $0.01 par value per share 30000 D NQ Stock Option (right to buy) w/ tandem Tax w/h right 89.995 2012-07-21 2021-07-21 Common Stock, $0.01 par value per share 20000 D Incentive Stock Option (right to buy) 60.615 2007-10-18 2016-10-18 Common Stock, $0.01 par value per share 400 D This option becomes exercisable in five equal annual installments beginning January 17, 2008. This option becomes exercisable in five equal annual installments beginning January 17, 2009. This option becomes exercisable in five equal annual installments beginning January 22, 2010. This option becomes exercisable in five equal annual installments beginning January 22, 2010. This option becomes exercisable in five equal annual installments beginning April 23, 2010. This option becomes exercisable in five equal annual installments beginning January 21, 2011. This restricted stock unit is subject to a 3-year cliff and will become exercisable on February 4, 2013. This option becomes exercisable in five equal annual installments beginning January 20, 2012. This option becomes exercisable in five equal annual installments beginning July 21, 2012. This option becomes exercisable in five equal annual installments beginning October 18, 2007. /s/Lynda M.Quagliara Attorney-in-Fact for: Aaron Gatt Floridia 2011-08-10