Inspection Detail

Inspection: 2464071 - Frank'S Tong Service Inc

Inspection Information - Office: Oklahoma City Area Office

Inspection Nr: 2464071

Report ID: 0627700

Date Opened: 12/17/1985

Site Address:
Frank'S Tong Service Inc
Hwy 54 1 1/2 Mi West
Weatherford, OK 73096

Mailing Address:
P O Box 75636, Oklahoma City, OK 73147

Union Status: NonUnion

SIC:1389

NAICS: 0

Inspection Type: Accident

Scope: Partial

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 12/23/1985

Emphasis: L:Oilgas

Case Closed: 12/23/1985

Related Activity
Type	Activity Nr	Safety	Health
Accident	360141931

Investigation Summary

Investigation Nr: 14212484

Event: 12/13/1985

EMPLOYEE STRUCK AND KILLED BY END OF WHIPPING STEEL HOSE

EMPLOYEES WERE TRYING TO RUN SURFACE CASING INTO A WELL, BUT BORE CUTTINGS, WHICH HAD SETTLED TO THE BOTTOM, WERE GETTING IN THE WAY. TO ALLEVIATE THIS PROBLEM, MUD WAS CIRCULATED THROUGH THE CASING TO FLUSH OUT THE CUTTINGS. THE MUD WAS CIRCULATED BY CONNECTING A STEEL ROTARY HOSE FROM THE STANDPIPE TO A SWEDGE IN THE TOP OF THE CASING STRING. WHEN THE NEXT-TO-LAST JOINT OF CASING WAS BEING WORKED INTO THE HOLE, A NIPPLE WHICH CONNECTED THE STEEL HOSE TO THE STANDPIPE EXPERIENCED THREAD FAILURE AND PULLED OUT OF THE COLLAR TO WHICH IT WAS ATTACHED. THE HIGH INTERNAL PRESSURE ON THE MUD CAUSED THE THE END OF THE HOSE TO WHIP AROUND ITS ANCHOR AT THE SWEDGE. THE FLYING HOSE-END STRUCK EMPLOYEE #1, KILLING HIM. THIS ACCIDENT COULD HAVE BEEN PREVENTED BY SECURING THE STANDPIPE END THE HOSE WITH A SAFETY CHAIN.

Keywords: UNSECURED, OIL WELL DRILLING, HOSE, HIGH PRESSURE, STRUCK BY, FLYING OBJECT

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	2464071			Fatality	Concussion	Occupation not reported

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