Inspection Detail

Inspection: 2531382 - Pool Arctic Alaska Rig 102

Inspection Information - Office: Alaska Department Of Labor Osh Enforcement

Inspection Nr: 2531382

Report ID: 1050210

Date Opened: 05/08/1985

Site Address:
Pool Arctic Alaska Rig 102
Pad 1-A Well 3 Kuparukfield
Prudhoe Bay, AK 99701

Mailing Address:
200 N C St, Anch, AK 99501

Union Status: NonUnion

SIC:1381

NAICS: 0

Inspection Type: Accident

Scope: Complete

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 05/09/1985

Emphasis: L:Aks

Case Closed: 08/23/1985

Related Activity
Type	Activity Nr	Safety	Health
Accident	360733810

Violation Summary
Violations/Penalties	Serious	Willful	Repeat	Other	Unclass	Total
Initial Violations	1					1
Current Violations	1					1
Initial Penalty	$300	$0	$0	$0	$0	$300
Current Penalty	$300	$0	$0	$0	$0	$300
FTA Penalty	$0	$0	$0	$0	$0	$0

Violation Items
#	Citation ID	Citaton Type	Standard Cited	Issuance Date	Abatement Due Date	Current Penalty	Initial Penalty	FTA Penalty	Contest	Latest Event	Note
1.	01001	Serious	80318 B02 F	05/29/1985	06/01/1985	$300	$300	$0		-

Investigation Summary

Investigation Nr: 14548234

Event: 05/06/1985

HIGH 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

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	2531382			Non Hospitalized injury	Other	Drillers, oil well
2	2531382			Non Hospitalized injury	Dislocation	Drillers, oil well

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