Case studies of projects carried out by TWI for the upstream sector of the Oil and Gas industries

• Foreseeing the unforeseen... tough operating conditions trigger second opinion on integrity assessment
• Putting one's mind at rest... TWI okays service life estimate
• Under considerable strain - software mods produce more accurate prediction
• Welding procedures and fracture toughness under scrutiny
• Biggest girth weld test gets underway
• Reel results - offshore pipe plastic straining
• Offshore contractor seeks surfacing advice
• Development of girth weld repair assessment procedure for offshore pipelay
• A problem well thought through
• Survey of a 10" buried line
• Inspection of offshore risers in Lake Maracaibo
• Inspection of a 24" slurry line
• Three kilometres of 10" gas line in Venezuela inspected in one day
• Survey of a 48" line - largest diameter to date
• RISKWISE ^TM software sees action in Japan
• Solder materials for use in 'down hole' data loggers
• £1m p.a. potential savings through project participation
• Reducing costs offshore
• GSPs yield $17m for oil producer
• Underwater welding work expands at TWI North
• Life extension of offshore rigs
• Drill pipe failure explained
• Welding trials permit reduced inspection times
• Flexible risers - is repair a viable option?
• Winch shaft failures diagnosed
• Structural integrity assured for Liverpool Bay
• Fitness for purpose of duplex stainless steel risers for sour service
• Project saves time and money for Amerada Hess
• Analysis of flaws in North Cormorant jacket saves Shell £45m
• Teletest® long range UT inspection of riser bundles
• Teletest® inspection of road crossings on the North Slope
• Structural integrity of a gas separation plant
• Fitness for purpose of flanges built up by welding
• Engineering critical assessment of pipeline welds
• Metallurgical examination of gas pipeline reassures Shell
• Flaw assessment saves repair

Classic examples from TWI history:

• Team helps in Magnus repair
• Corrosion testing for seawater service
• Underwater friction welding for electrical couplings
• Specialist NDT services move offshore
• Explosion damage limitation
• TWI training courses add to Phillips's inspection capability
• Automated ultrasonic inspection and ECA of riser tie-in welds offshore
• Schenectady T2 tanker
• World Concord tanker
• Development of girth weld repair assessment procedure for offshore pipelay
• TWI studies significance of Aleyaska pipeline flaws
• North Sea giant calls on TWI expertise
• Weldability of new pipeline steel
• North Sea pipe takes the strain