Schlumberger Issues Fourth-Quarter 2012 Operational Update

  Schlumberger Issues Fourth-Quarter 2012 Operational Update

Business Wire

HOUSTON -- December 14, 2012

Schlumberger Limited (NYSE:SLB) provided the following fourth-quarter
operational update today:

  *The Europe/CIS/Africa Area is experiencing continued contractual delays
    combined with higher than usual seasonal slowdowns in activity
  *North America activity is weaker than anticipated on land in the US and
    Western Canada.

Thecombined earnings per share impact of the above is estimated to be in the
range of $0.05to $0.07per share.

Schlumberger will discuss final results of the fourth quarter in detail during
its previously announced fourth quarter earnings conference call on January
18, 2013, beginning at 9:00 am (US Eastern Time), 3:00 pm (Paris time).

This news release contains forward-looking statements within the federal
securities laws, which include any statements that are not historical facts,
such as our forecasts or expectations regarding the fourth quarter. These
statements are subject to risks and uncertainties, including, but not limited
to, global economic conditions; changes in exploration and production spending
by Schlumberger’s customers and changes in the level of oil and natural gas
exploration and development; general economic, political and business
conditions in key regions of the world; pricing erosion; weather and seasonal
factors; operational delays; changes in government regulations and regulatory
requirements, including those related to offshore oil and gas exploration,
radioactive sources, explosives, chemicals, hydraulic fracturing services and
climate-related initiatives; the inability of technology to meet new
challenges in exploration; and other risks and uncertainties detailed in our
most recent Form 10-K and other filings that we make with the Securities and
Exchange Commission. If one or more of these or other risks or uncertainties
materialize (or the consequences of such a development changes), or should our
underlying assumptions prove incorrect, actual outcomes may vary materially
from those reflected in our forward-looking statements. Schlumberger disclaims
any intention or obligation to update publicly or revise such statements,
whether as a result of new information, future events or otherwise.

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 115,000 people representing over 140
nationalities and working in approximately 85 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 $36.96 billion in 2011. For more
information, visit


Schlumberger Limited
Malcolm Theobald – Vice President of Investor Relations
Joy V. Domingo – Manager of Investor Relations
Office: +1 713-375-3535
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