The existing offshore oil and gas platforms could be enhanced to operate for some more years. The jacket piles from 1.5m below seabed will be cut and together with the jacket demolished. The remainder of the piles below seabed will be left in situ. A new 4-leg standard jacket will be ...
b Schematic cross section of sample assembly inside rubber jacket. Dotted line represents rough or sawcut fault Full size image 2.2 Data Analysis 2.2.1 AE Locations, Magnitudes and Source Mechanisms Ultrasonic pulses and AE signals were separated automatically during post-processing. To locate AE ...
Samples were dried in an oven for several days before placing them in a rubber jacket to insulate them from the oil confining medium in the pressure vessel. For deformation tests, confined samples were placed in a servo-controlled Material Testing System (MTS) 4600 kN loading frame. A summary...
Observer-based state feedback control for offshore steel jacket structures under denial-of-service attacks. ISA Trans. 2021, 115, 46–60. [Google Scholar] [CrossRef] Sarker, M.; Rideout, D.G.; Butt, S.D. Butt, Advantages of an LQR Controller for Stick-Slip and Bit-Bounce Mitigation ...