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Leading oilfield services company.

5599 San Felipe, 17th floor
Houston, TX 77056
Employees: 120,000
CEO: Paal Kibsgaard
Stock Symbol: SLB

Website: http://www.slb.com

Career Site

Schlumberger is the world's leading oilfield services company supplying technology, information solutions and integrated project management that optimize reservoir performance for customers working in the oil and gas industry.

Schlumberger supplies a wide range of products and services from seismic acquisition and processing; formation evaluation; well testing and directional drilling to well cementing and stimulation; artificial lift and well completions; and consulting, software, and information management.

The company operates in 85 countries and employs over 120,000 people from more than 140 nationalities.

Schlumberger manages its business through 35 GeoMarket regions, which are grouped into four geographic areas: North America, Latin America, Europe & Africa, Russia, Middle East and Asia. The GeoMarket structure offers customers a single point of contact at the local level for field operations and brings together geographically focused teams to meet local needs and deliver customized solutions. Working together with the company's technology segments, the GeoMarkets provide a powerful conduit through which information and know-how flow to the customers, and through which Schlumberger engineers and geoscientists maximize technological synergies over the entire life of the field.

In 2014, the company reported revenues of $48.6 billion, up 7% from the previous year, and net income of $5.4 billion.

The company spent $1.21 billion on research and engineering in 2014.

Schlumberger has principal offices in Paris, Houston, London and The Hague.

Due to the sharp decline in oil prices, the company plans to cut 11,000 jobs this year or about 15% of its workforce since 2014.


1912 - Conrad Schlumberger conceived the revolutionary idea of using electrical measurements to map subsurface rock bodies.
1919 - Marcel Schlumberger began working with his brother Conrad.
1920 - Opened first office at 30, rue Fabert in Paris.
1923 - Began conducting geophysical surveys in Romania, Serbia, Canada, Union of South Africa, Belgian Congo and US.
Mapped the first oil-productive salt dome by electric prospecting in Romania.
1926 - Formed Société de Prospection Electrique, the pre-cursor of Schlumberger.
1929 - Expanded subsurface surveying into Venezuela, India and the Soviet Union.
Logged first well in the US (Kern County, California).

1934 - Founded Schlumberger Well Surveying Corporation (now Schlumberger Well Services).
1940 - Moved company headquarters to Houston, Texas.
1947 - Recorded first induction log to help distinguish oil-from water- bearing rock layers when the borehole contains fluid that does not conduct electricity.
Introduced the Resistivity Dipmeter tool.
Began producing nine-galvanometer R9 recorder for simultaneously displaying multiple logging curves.
Deployed first offshore rig.
1948 - Inaugurated Ridgefield Research Center.
1952 - Gathered first computer-ready data in the field.
Introduced Continuous Resistivity Dipmeter.
Bought 50% of Forex drilling rig company.
1956 - Formed Schlumberger Limited in Curaçao as holding company for all Schlumberger businesses.
Acquired Johnston Testers (US) (testing and production).
Completed first induction-electrical log.
Patented method for determining hydraulic characteristics of formation traversed by a borehole.
1960 - Formed Dowell Schlumberger (50% Schlumberger, 50% Dow Chemical), specializing in pumping services for the oil industry.
Began work on the Sidewall Neutron Porosity tool with high-pressure Helium-3 detectors using epithermal neutrons to measure formation porosity.
Created prototype of Thermal Decay Time (TDT) tool for measuring formation saturation through casing using neutron population decay.
1961 - Acquired Solatron (UK) electrical instrumentation company.
Completed first digitized dipmeter logs by computer - the first successful computer processing of logs from tape.
Founded Société d'Instrumentation Schlumberger to coordinate expansion into electronics and measurement systems.
1962 - Acquired Vector Cable cable operations and Daystrom measurement instruments.
Introduced Formation Density tool.
Listed Schlumberger Limited on the New York Stock Exchange.
Commercialized the compensated density log, quickly followed by the pad-type neutron log, the SNP.
1964 - Created Neptune drilling company (50% Forex, 50% Languedocienne).
1965 - Processed digitized log tape in a truck.
Founded engineering center in Clamart, France.
Began development of Compensated Neutron Log (CNL) tool, a two-detector neutron tool for through-casing porosity measurement.
1971 - Acquired Flopetrol (testing production of oil wells) and remaining 50% of Forex; created Forex Neptune Drilling Company.
Introduced first logging system that combined gamma ray, spontaneous potential (SP), Induction, Spherically Focused Resistivity Log (SFL), sonic and caliper logs.
1972 - Introduced Dual Laterolog tool for simultaneous measurement of shallow region invaded by borehole fluids and the deep undamaged formation.
Merged SIS with Compagnie des Compteurs.
1977 - Introduced Cyber Service Unit.
Acquired The Analysts (directional drilling and mud logging services).
Commercialized the Electromagnetic Propagation Tool (EPT), which uses travel time and attenuation of microwave-frequency electromagnetic waves to determine the amount of water present in rock pores.
Developed the CNTG four-detector neutron porosity tool.
1978 - Developed SDT, the first generation digital sonic tool for uphole processing of compressional and shear sound speeds in formations.
1981 - Acquired Applicon and Balteau.
Implemented first international data links with e-mail.
1983 - Implemented first commercial user of ARPANet (Palo Alto lab) for multiple international links and the first internal secure gateway between divisions.
Opened Cambridge Research Center in England.
1984 - Acquired SEDCO drilling rig company and 50% of Dowell of North America.
Founded Anadrill by combining the drilling segment of Dowell and The Analysts.
Developed ultrasonic Cement Evaluation Tool (CET) for adding azimuthal information to cement bond analysis.
Began Nuclear Magnetic Resonance (NMR) petrophysics research.
1985 - Formed Sedco Forex Drilling Company.
Introduced Formation MicroScanner tool.
Acquired Merlin and 50% of GECO.
Deployed Schlumberger Information Network (SINet), the world's second largest internal corporate network and the first commercial ARPANet-based intranet.
Introduced first VSAT terminal.
Field tested borehole linear accelerator (LINAC) as a density tool.
1986 - Merged Flopetrol with Wireline to create Wireline & Testing.
Introduced Phaser Induction tool to improve detection of thin beds.
Prototyped Combinable Magnetic Resonance (CMR) tool.
1987 - Acquired Neptune (North America), Bosco and Cori (Italy), and Allmess (Germany).
Registered slb.com as a Internet domain name.
1988 - Acquired remaining 50% of GECO.
Introduced first logging-while-drilling (LWD) tool.
1991 - Acquired PRAKLA-SEISMOS.
Used geosteering for the first time to plan the drilling path in horizontal wells.
Introduced the Modular Formation Dynamics Tester and the Formation MicroImager.
1992 - Acquired GeoQuest Systems, Inc.
Converted SINet to TCP/IP and www capability.
1993 - Created GeoQuest product line by merging Schlumberger Data Services, Finder Graphics and GeoQuest Systems, Inc.
Launched IDEAL* concept (Integrated Drilling Evaluation and Logging System) and ran first compressional sonic logs while drilling.
1994 - Introduced Oil Partnering Network in the North Sea sector.
1995 - Introduced Platform Express* technology, SIMPLER* advanced land rig concept, ARC5 logging-while-drilling tools, and MAXIS Express* logging unit.
Acquired Intera Technologies Corp. petroleum division, AEG meter, and ECLIPSE reservoir study team and reservoir technologies.
Launched Integrated Project Management as an independent service and engineering group.
Created Omnes joint venture between Schlumberger and Cable & Wireless plc.
Commercialized Combinable Magnetic Resonance (CMR) tool.
1996 - Conceived real-time reservoir management for improving petroleum reservoir recovery and providing high-end IT solutions to petroleum industry.
Acquired Oilphase.
Completed first commercial sonic imaging job
1997 - Introduced ClearFRAC* non-polymer, damage-free fracturing fluid.
1998 - Acquired Camco International, Inc.
Introduced PS PLATFORM* fifth generation logging tool and High Resolution Laterolog Array (HRLA).
1999 - Entered joint venture with Smith International, creating the world's largest drilling fluids company, M-I L.L.C (60% Smith International, 40% Schlumberger).
Deployed Houston remote connectivity teleport.
2000 - Combined Geco-Prakla with Western Atlas to create WesternGeco (70% Schlumberger, 30% Baker Hughes).
Launched IndigoPool.com.
Began conducting Q-Marine* surveys.
2001 - Acquired Sema plc. (IT consultancy), Phoenix, and Sensa (fiber optic distributed monitoring).
Deployed Macae remote connectivity teleport.
Formed Schlumberger Information Solutions (SIS) to support real-time reservoir management and E&P business optimization processes.
2002 - Deployed Singapore remote connectivity teleport.
Introduced ProVISION real-time reservoir steering tool for LWD; OrientXact* perforating system; SlimXtreme* slimhole, high-pressure, high-temperature wireline logging platform; and FlexSTONE* advanced flexible cementing system.
Acquired A. Comeau and Associates Limited to enhance capabilities in artificially lifted wells.
2003 - Began conducting Q-Land* surveys.
Launched PowerDrive Xceed* fully rotational steerable system; MaxTRAC* production services tractor; seismicVISION* LWD system; LiteCRETE* lightweight, high performance cementing system; PVT Express* pressurevolume- temperature mobile laboratory; and DecisionXpress* petrophysical evaluation system.
Deployed Aberdeen satellite manufacturing facility and second teleport.
Acquired VoxelVision (high-end PC-based visualization and seismic technology).
Acquired stake in premier Russian oilfield services company PetroAlliance Services Company Limited.
2004 - Completed divestiture of SchlumbergerSema to Atos Origin.
Launched the PowerDrive X5* rotary steerable system (RSS) with integrated measurements, sonicVISION* sonic-while-drilling tool and PowerDrive vorteX* rotary steerable system.
Acquired the Decision Team oil and gas software and consulting services firm; and AOA Geomarine Operations (AGO), a pioneer in CSEM (controlled-source electromagnetic) and MMT (marine magnetotelluric) technologies.
Opened the Russia Technology Hub, located within the campus of Gubkin Russian State University of Oil and Gas; opened the second phase of expansion of the Schlumberger Reservoir Completions Center (SRC).
Established the industry's first long-term reservoir monitoring program between Statoil and WesternGeco.
Awarded the world's largest-ever 4D seismic project, shooting over the Marlin Field offshore Brazil for Petrobras.
2010 - Acquired drilling-fluid provider Smith International for $11 Billion


Benefits at the company include:

- cash compensation
- future participation in incentive or bonus programs
- vacations
- participation in deferred benefits such as pension or savings plans, depending on the country of residence.

Updated April 17, 2015