Safety Alerts

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 March 2000

Alert 00 – 09 Ground/Bonding Wire

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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
6 June 1999

Alert 99 – 18 Power Tong Incident

Alert 99 – 18 Power Tong Incident WHAT HAPPENED: The power tongs became stuck while tripping out of the hole. The floorman, who had his back to