ENS 40863

v t e ENS Event
05:00 Jul 10, 2004
Title	Texas Agreement State Report on Dose to the Public from Exposed Sealed Source
Event Description	Full investigation has been started by Schlumberger. Many details missing from initial notification. Crew using a CAPSTAR rig, without a floor were working a well site in Pecos County, Texas, from the Midland office (Subsite 042). During the evening of probably 07/09/2004 the rig was moved to a new site. When setup for work it was determined by the well loggers that a sealed 1.7 curie Cs-137 source was missing from their tool. They went back to the last site and discovered the source in a pile of mud that was located 10-15 feet from the rig location. It is suspected that the source was missing for 24-36 hours. Suspect dose to the public to the rig crew/roustabouts. The logging crew was badged. No estimates are currently available. A Schlumberger management team has been dispatched from Houston (Subsite 000) to assess dose and investigate this incident. Investigation is ongoing. TX Incident No.: I-8141

ENS 40863 +/-
Where
Schlumberger Technology Corporation N/A, Texas (NRC Region 4)
License number:	L01833-000042
Organization:	Texas Department Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+52.48 h2.187 days <br />0.312 weeks <br />0.0719 months <br />)
Opened:	James H. Ogden, Jr 09:29 Jul 12, 2004
NRC Officer:	Arlon Costa
Last Updated:	Jul 12, 2004
40863 - NRC Website
v • d • e

v t e Emergency Notification System
Schlumberger Technology Corporation with Agreement State
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