SLB controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2015
United States sanctions case involving Iran and Sudan
Schlumberger pleaded guilty to violating United States sanctions through business activities involving Iran and Sudan and agreed to pay a criminal penalty reported by the Department of Justice as $233 million.
2010
North Sea radioactive-source incident
A Scottish court fined Schlumberger Oilfield UK after a radioactive source was lost on the floor of a North Sea drilling rig for several hours.
2010
Deepwater Horizon logging-test controversy
Schlumberger had been contracted to perform wireline logging and a cement-evaluation test on Deepwater Horizon. The test was cancelled and the crew left before the blowout and explosion. Public discussion of the incident focused on the decision to cancel the test and the allocation of responsibility among contractors and the operator.
2009
Pennsylvania hydrochloric-acid spill
Pennsylvania environmental authorities fined Schlumberger Technology Corp. in connection with a hydrochloric-acid spill at a natural-gas well site. Officials reported that groundwater was not contaminated.
2006
Lost radioactive source in Western Australia
A radioactive source transported for Schlumberger was lost after a container fell from a trailer in Western Australia and was later recovered in the outback.
2006
South Carolina PCB remediation agreement
As the owner of a former manufacturing site in Pickens, South Carolina, Schlumberger agreed to pay federal and state agencies for environmental remediation associated with PCB contamination caused by a previous operator.