Exxon Mobil

Mar       2003     North Sea         Sealant: valve stem packing leak            Still maintaining seal

May      2005     North Sea         Wellhead sealant 13-3/8”                        Still maintaining seal

May      2005     North Sea         Isolation barrier seal system (gel)            Still maintaining seal

May      2005     North Sea         Control line cleaning gels                       Completed   

Mar       2006     North Sea         Large void selant / filler                           Still maintaining seal

Mar       2006     North Sea         Wellhead sealant 9-5/8”                          Still maintaining seal

May      2006     North Sea         Large void sealant / filler                         Still maintaining seal

May      2006     North Sea         Wellhead sealant tubing hanger               Still maintaining seal