Accident Report Detail

Accident Summary Nr: 202506689 - Employee Is Injured When Struck by Debris

Accident Summary Nr: 202506689 -- Report ID: 0950663 -- Event Date: 09/04/2008
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
311070932	09/30/2008	1381	213111	Ensign United States Drilling (California) Inc.

Abstract: At approximately 10:04 a.m. on September 4, 2008, Employee #1 was increasing the pump pressure on piping between an Ensign United States Drilling trailer and a Baker-Hughes trailer. He was unaware that the hammer union connecting the two trailers was mismatched, with a 1502 wing improperly connected to a 602 thread. At approximately 2,000 psi, the union failed. Fragments and shrapnel flew through the Ensign USD trailer, striking Employee #1. He was airlifted to Sutter Roseville Medical Center for treatment of chest and arm trauma.

Keywords: CHEST, EQUIPMENT FAILURE, PIPE, STRUCK BY, ARM, FLYING OBJECT, TRAILER, PUMP, PRESSURE RELEASE, CONTUSION

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	311070932			Non Hospitalized injury	Bruise/Contus/Abras	Drillers, oil well

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