Intellectual Property Reference

Quick Descent™ Roller Latch™ Core Barrel / Head Assembly

  • Greaseless Core Barrel Assembly: AU2021107115; patents pending

  • Driven latches: US8,794,355; US9,328,608; CA2,776,923; CA 2,876,377; AU2010303446; AU20142688208; CL52.433; EP10822658.0; PE446.2012; ZA2012/03285

  • Lockable Driven Latches: US8,485,280; US9,234,398; CA2,784,532; AU2010339878; AU2015200373; CL53.410; PE823.2012; ZA2012/05268

  • External Fluid Pathways: US8,869,918; US9,689,222; CA2,784,531; AU2010339959; CL53.486

  • Multiple-Function Latch Bodies: US8,770,322; CA2,877,113; AU2012388216; CL57.506; PE9550; EP2888432

  • High Productivity System: US8,333,255; US9,359,847

Split-Tube Loader

  • US#D676,877

 Quick Descent™ Roller Latch™ Overshots

  • Overshot pivot: US9,540,897; CA2,890,851; AU2013361158; CL58.919; EP18175071.2; PE9766; ZA2015/02648

  • Overshot latches: US10,626,692; US11,268,340; CA2,995,112; AU2016308257; CL60.332; PE11643; ZA2018/01100; ZA2010/02752

 Quick Pump-In™ Roller Latch™ Core Barrel / Head Assembly

  • Variable-Lip Pump-In Seals: US8,770,319; CA2,776,460; AU2010300526; CL53.903; CN201080054322.4; EP2483523; PE7594; ZA2012/03114

  • Holdback Brake: US7,967,085; US8,051,924; US8,051,925; CA2,720,917; AU2009240632; AU2011253774; AU2011253777; AU2012203543; EP09735209.0; ZA2010/07050

  • Driven latches: US8,794,355; US9,328,608; CA2,776,923; CA 2,876,377; AU2010303446; AU20142688208; CL52.433; EP10822658.0; PE446.2012; ZA2012/03285

  • External Fluid Pathways: US8,869,918; US9,689,222; CA2,784,531; AU2010339959; CL53.486

 Quick Pump-In™ Roller Latch™ Overshots

  • Pump-In Cable Release: US10,253,575; US10,689,919; CA3,006,076; AU2021209152; AU2016372033; CL60.763; EP3390764; EP3730733; PE240-2023; ZA2018/03365

  • Overshot latches: US10,626,692; US11,268,340; CA2,995,112; AU2016308257; CL60.332; PE11643; ZA2018/01100; ZA2010/02752

  • Variable Lip Pump-In Seals: US8,770,319; CA2,776,460; AU2010300526; CL53.903; CN201080054322.4; EP2483523; PE7594; ZA2012/03114

 Adapters with XQ™ Rod Joints

  • Multiple threads: US9,850,723; US10,557,316; 10,570,676; US11,898,404; CA2,884,798; CA2,973,262; AU2013315186; AU2017201366; AU2019201562; BR1120150055761; CL57.742; CN201380051222X; EP2895679;  IN419739; PE9800; PE1861-2024; ZA2015/02415; ZA2018/06700; patents pending

  • Anti-jamming: US9,810,029; US10,364,618; US10,934,786; CA2,825,533; CA2,925,166; AU2012209354; AU2016204912; CL55.579; CN201280010513.X; CN2016100686301; EP2668364; PE8534; ZA2013/06418