Safety Alerts
IADC distributes HSE Alerts to Members as they are received. All Alerts issued will be archived on this web site. We welcome your ideas for future Safety Alerts.
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This material is presented for information purposes only.
Managers & Supervisors should evaluate this information to determine if it can be applied to their own situations and practices.
5 April 2000
Alert 00 – 10 Worker Killed by Wireline Spool Unit WHAT HAPPENED: A worker was killed when he was crushed between the spokes of a wireline drum and
5 March 2000
Alert 00 – 09 Ground/Bonding Wire WHAT HAPPENED: A contract service company that cleans tanks and vessels experienced an explosion inside a special high-capacity vacuum truck used to
5 March 2000
Alert 00 – 08 Microwave Oven Safety WHAT HAPPENED: A rig worker heated a cup of water in a microwave oven. When he removed it from the
5 March 2000
Alert 00 – 07 Rig Damaged by Drill Collar Release from Fingerboard WHAT HAPPENED: Two 120’ (36m) stands of 8-1/4” (20.6 cm) Range II drill collars were
5 February 2000
Alert 00 – 06 Proper Use of Cotter Pins WHAT HAPPENED: The anchor pin on the bottom side of the rig’s brake band fell out due to
5 February 2000
Alert 00 – 05 Battery Pack Falls From Light Fixture in Derrick WHAT HAPPENED: A nickel-cadmium battery pack from the derrick light fixture fell approximately 150 feet
5 February 2000
Alert 00 – 04 Wrong Load Causes Crane Collapse WHAT HAPPENED: A hydraulic platform crane failed while lifting a 14,500 lb. (6525 kg) tank from a supply
5 January 2000
Alert 00 – 03 Multiple Rotary Hose Failures – Hose Separation From Steel End Couplers WHAT HAPPENED: On two separate rigs operated by the same contractor, identical
5 January 2000
Alert 00 – 02 Uncontrolled Release of Anchor Chain While Moored on Location WHAT HAPPENED: The Anchor Chain was accidentally released during the removal of the brake
5 January 2000
Alert 00 – 01 Spider Bite WHAT HAPPENED: An offshore rig employee reported that he had a sore on his leg and asked for a bandage. The
6 December 1999
Alert 99 – 38 Pressure Trapped in Sub Sea BOP Stack DDV Solenoid Housing WHAT HAPPENED: While testing the subsea BOP stack, the shear acumulator did not
6 December 1999
Alert 99 – 37 Casing Tong Support Spring Failure WHAT HAPPENED: A joint of 7” (17.5 cm) casing was being made up. The casing tongs were initially
6 December 1999
Alert 99 – 36 Traveling Block/Power Swivel Collision with Stand of Pipe WHAT HAPPENED: A fully retracted travelling block and power swivel, during its descent, collided with
6 November 1999
Alert 99 – 35 SCBA Facepiece Safety Notice WHAT HAPPENED: A safety design defect has been found with the exhalation valve on the MSA (Mine Safety Appliances Company)
6 November 1999
Alert 99 – 34 Gardner Denver Safety Notice WHAT HAPPENED: The purpose of this notice is to inform personnel who own or operate Gardner Denver mud pumps
6 November 1999
Alert 99 – 33 More on Mismatched Hammer Unions WHAT HAPPENED: Representatives from operators, drilling contractors, service companies, suppliers, and manufacturers held an industry wide meeting in Houston
6 October 1999
Alert 99 – 32 Top Drive Swivel Stem Parted WHAT HAPPENED: The rig experienced a drilling break. While picking up the drill string to check for flow,
6 October 1999
Alert 99 – 31 High Pressure Release of Trapped Nitrogen WHAT HAPPENED: Following the foam cementation of 20″ (50 cm) casing in deepwater from a semi-submersible rig,
6 October 1999
Alert 99 – 30 Marine Riser Buoyancy WHAT HAPPENED: While pulling the first section of marine riser through the drill floor, a section of buoyancy module weighing approximately
6 September 1999
Alert 99 – 29 Crane Operations Incident WHAT HAPPENED: The crane main load line was landing the second of a series of loads onto a moored supply
6 September 1999
Alert 99 – 28 Hydraulic Telescoping Cylinder Failure WHAT HAPPENED: While rigging up a telescoping mast, one of the two cylinders failed and the mast dropped. No
6 September 1999
Alert 99 – 27 Pressurized Cargo Hose Near Miss Incidents WHAT HAPPENED: Several vessel operators have experienced near-miss incidents involving pressurized hoses being transferred to the vessels from
6 August 1999
Alert 99 – 26 Standing Under Suspended Load WHAT HAPPENED: A sub-sea engineer was fatally injured while working on a semi-submersible rig. The deceased was standing inside the
6 August 1999
Alert 99 – 25 Elevator Fatality WHAT HAPPENED: A dry-dock shipyard incident resulted in a fatality when a shipyard elevator operator fell from the elevator just below its
6 August 1999
Alert 99 – 24 Cementing Casing WHAT HAPPENED: After running approximately 1,600 feet of 8-5/8 inch casing a floorhand climbed onto the top of the casing and cementing
6 July 1999
Alert 99 – 23 Unsecured Cover Fractures Arm WHAT HAPPENED: While rigging up a rig, a floorman working with members of his crew noticed a cover falling
6 July 1999
Alert 99 – 22 Catastrophic Failure of 50 CC Retorts WHAT HAPPENED: There have been two catastrophic failures of 50 cc Retorts. The failures occurred during routine
6 July 1999
Alert 99 – 21 Third Party Electrocution WHAT HAPPENED: Recently the configuration of an electrical connection on third party equipment contributed to a tragic fatality on board an
6 June 1999
Alert 99 – 20 Unloading Casing Elevators WHAT HAPPENED: While preparing to run casing on an offshore platform, the order was given to bring a basket containing the
6 June 1999
Alert 99 – 19 Top Drive Incident WHAT HAPPENED: A drilling rig recently experienced a major incident when the gooseneck and kelly hose became completely detached from the