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Occupational Safety and Health Administration OSHA

Inspection Detail

Inspection: 2531390 - F M C Well Head Equipment Div

Inspection Information - Office: Alaska

Nr: 2531390Report ID: 1050210Open Date: 05/07/1985

F M C Well Head Equipment Div
Pad 1-A Well 3 Rig 102
Prudhoe Bay, AK 99701
Union Status: NonUnion
SIC: 1389/Oil and Gas Field Services, Not Elsewhere Classified
Mailing: Po Box 4089, Anch, AK 99509

Inspection Type:Unprog Rel
Scope:Complete Advanced Notice:Y
Ownership:Private
Safety/Health:Safety Close Conference:05/10/1985
Emphasis: L:AksClose Case:06/28/1985

Related Activity:TypeIDSafetyHealth
 Accident360733810    

Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 1 1
Current Violations
Initial Penalty $150 $0 $0 $0 $0 $150
Current Penalty $0 $0 $0 $0 $0 $0
FTA Amount $0 $0 $0 $0 $0 $0

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
Deleted 1. 01001 Serious 80348 A01 06/04/1985 06/07/1985 $150 $150 $0 I - Informal Settlement

Accident Investigation Summary
Summary Nr: 14548234Event: 05/06/1985High Pressure In Wellhead Blew, Injuring Employees
THE EMPLOYEES WERE CHANGING TUBING STEEL AT THE WELLHEAD. EMPLOYEE #3 BACKED DOWN THE LOCKING SCREWS OF THE "PACK OFF", LOCATED BETWEEN THE SEVEN INCH CASING AND THE 10 3/4 INCH SURFACE PIPE. THERE WAS ABOUT 850 PSI IN THE ANNULUS OF THE WELL BELOW THE "PACK-OFF". WHEN THE LAST LOCK-DOWN SCREW WAS LOOSENED, THE "PACK-OFF" FLEW OFF ITS SEAT. THE "ARCTIC PACK" FLUID WAS EJECTED UNDER GREAT PRESSURE. THE FOUR EMPLOYEES WERE KNOCKED BACKWARDS BY THE RELEASE OF HIGH PRESSURE. THE WELLHEAD EQUIPMENT WAS MANUFACTURED BY THE F.M.C. CORPORATION (GENERATION ONE). EMPLOYEE #1 RECIEVED A DISLOCATED SHOULDER. EMPLOYEES #2 AND #3 RECIEVED "ARCTIC PACK" SKIN PENETRATIONS. EMPLOYEE #4 RECIEVED A FRACTURED VERTEBRA AND HEAD LACERATIONS. NONE OF THE EMPLOYEES THOUGHT TO CHECK THE PRESSURE IN THE ANNULUS BEFORE LOOSENING THE LOCK-DOWN SCREWS.
Keywords: head, shoulder, laceration, fracture, maintenance, oil well drilling, high pressure, struck by, wellhead, vertebra
Inspection Degree Nature Occupation
1 2531390 Hospitalized injury Fracture Drillers, oil well
2 2531390 Non Hospitalized injury Other Drillers, oil well

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