Texas Incident #: I-8136
Event Location: Hidalgo County, Texas(TDH, Public Health Region 11) at the Guerra #25 operated by Edge Petroleum
API #: 42-215-33214
On July 4, 2004, the Licensee notified this Agency of the loss of three radioactive sources on a well logging tool-string in Hidalgo County,
Texas, at the Guerra #25 well (
API # 42-215-33214) operated by the Edge Petroleum Company. The string contained three sources, manufacturer and Serial Nos. are not available at this time. The sources are: 0.8 microcurie
Cs-137; 2.5 curie
Cs-137; and an 18 curie
Am-241/Be. The sources are abandoned in a well with a total depth of 9,034 feet. The top of the tool-string is located at 5,697 feet and fishing attempts have not allowed recovery. A minimum of 200 feet of red tagged cement has been poured to secure the string in place. Negotiations with the
Texas Railroad Commission continue for the placement of a deflection device in the well. The Licensee will be ordering a plaque for emplacement on the wellhead.