Alert 25 Jun 2019 Gas release from small bore fitting •An intervention team arrived on a normally unattended installation (NUI) and heard an audible anomaly •On area visual inspection during the standard arrival checks, there appeared to be a leak from the well •A GPA and manual process shutdown (PSD) were initiated. This closed the wing valve, with th… View Alert
Alert 12 Jun 2019 Finger injury caused by opening of jetting unit door The employee suffered an injury to the third finger on his left hand when opening the double doors on an ultra high pressure jetting unit. As the IP opened the right hand door of the unit, his left hand was caught between the left hand door handle and the door lip, resulting in a laceration to his f… View Alert
Alert 14 May 2019 Partial load lost during road transit On arrival at delivery location, pallets were unloaded. Later, it was discovered that a piece of equipment was missing and that this had fallen from the truck whilst in transit. The missing piece of equipment was described as a tubing hangar load ring weighing approximately 43kgs and 13” diameter. F… View Alert
Learning Moment 29 Apr 2019 In the line of fire (includes film clip) During the lift, a caisson swung uncontrollably, crushing and breaking the pelvis of one of the load handlers. View Learning Moment
HVL 31 Mar 2019 High Value Learning - Failure of a fire pump clutch, as a result of a gear box anti-rotation in failure A failure of a diesel engine driven fire pump clutch occurred during routine pump start up. Clutch components were released at high speed into the fire pump room. This resulted in damage to the fire pump room and to the engine and its ancillary systems. Lubricating oil pipework was damaged, resultin… View Learning
Alert 20 Mar 2019 Failure of Carbon Steel Piping due to Methanol Stress Corrosion Cracking After approximately 18 months in service, a pinhole leak was observed on a carbon steel line from the methanol storage vessels to methanol transfer pumps. Further examination revealed multiple leaks and weeps at various locations throughout the low-pressure carbon steel bunkering, storage and transf… View Alert
HVL 28 Feb 2019 High Value Learning - Hydrocarbon release and spill to sea from newly installed controlled valve stem packing after a very short operation life The control valve gland plate loading bolts and nuts became detached from the valve, leading to a loss of containment at the valve stem packing gland. The evidence suggests that the lock nuts were not tightened when the valve was brought into service and there was no record of any checks being carri… View Learning
Alert 15 Feb 2019 Lithium Ion Battery Overheated Following Exposure to Water Following the event, the lithium ion battery was removed and found to be overheating. Shortly thereafter the battery started to smoke then catch fire. Fortunately, the fire was controlled and extinguished immediately however the outcome could have been much worse. View Alert
Alert 1 Feb 2019 Serious cut to finger whilst handling insulation jacket Whilst holding the section of stainless steel insulation, the pipe stuck and the material slipped within his hand. This caused the insulation jacket to move and the technician instinctively put his hand on the edge to stop it. However, his hand became trapped between the steel edge and a section of … View Alert
HVL 31 Jan 2019 High Value Learning - Gas leak from perforated closed drains line to to simultaneous operations A 2” closed drain line was subject to bristle blasting in order to allow further inspection & fabric maintenance. Before work commenced the line was subject to an assessment by the onshore Technical Authority and it was confirmed as safe to bristle blast. However, the assessment was undermined … View Learning
Alert 9 Jan 2019 Lifeboat Battery Explosion Following the charging and completion of voltage checks, the battery compartment hatch was closed, and the engine was then started. At this point the battery exploded. Pieces of the battery and fluid were expelled from the compartment having been partially restricted by the closed hatch lid. Neither… View Alert
HVL 29 Dec 2018 High Value Learning - Failure of cable connector during drill-line de-reeving A drilling maintenance crew were performing the operation to de-reeve a 1 3/8” steel drill line. This was part of a planned drill line cut operation to remove 2000ft of drill line from the draw works during a drilling shutdown period. The drill line was being driven out by the draw works and then … View Learning