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Occupational Safety and Health Administration OSHA

Inspection Detail

Inspection: 315178491 - Patterson-Uti Drilling Co., Llc

Inspection Information - Office: Corpus Christi


Inspection Nr: 315178491
Report ID: 0626000
Date Opened: 11/27/2010

Site Address:
Patterson-Uti Drilling Co., Llc
8.2 Mi West Of Cotulla
Cotulla, TX 78014

Mailing Address:
450 Gears Road, Ste. 500, Houston, TX 77067

Union Status: NonUnion


NAICS: 213111/Drilling Oil and Gas Wells

Inspection Type: Accident

Scope: Complete

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 05/06/2011

Emphasis: L:Oilgas, S:Struck-By

Case Closed: 05/17/2013

Related Activity
Type Activity Nr Safety Health
Accident 100213768
Violation Summary
Violations/Penalties Serious Willful Repeat Other Unclass Total
Initial Violations 2 1 3
Current Violations 3 3
Initial Penalty $14,000 $0 $38,500 $0 $0 $52,500
Current Penalty $21,000 $0 $0 $0 $0 $21,000
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 19100179 N03 VI 05/06/2011 05/25/2011 $7,000 $7,000 $0 05/11/2011 F - Formal Settlement  
2. 01002 Serious 19100023 A07 05/06/2011 05/12/2011 $7,000 $7,000 $0 05/11/2011 F - Formal Settlement  
3. 02001 Serious 19100023 C01 05/06/2011 05/12/2011 $7,000 $38,500 $0 05/11/2011 F - Formal Settlement  

Investigation Summary

Investigation Nr: 200212876
Event: 11/27/2010
Employee Is Struck And Killed By Falling Drilling Rig Track

On November 27, 2010, employees of a drilling crew were assembling and installing a Varco Top Drive track system for the overhead top drive electric drilling rig. A crane was used to hoist four sections of track/guide beams, one at a time, through the v-door, and to the rig floor. When the track/guide beams were at the drilling rig floor, employees got on both sides of the track/guide beam and connected the hook pin saddle at the end of the one beam around the hook pin at the end of the other beam. One of the employees then disconnected the top tugger line. The track/guide beam was then hoisted up by the traveling block and lowered through the rotary table opening, so that the final joint, retainer, and lynch pins could be inserted into place to secure the guide beam. This procedure was repeated until the guide beam installation was complete. During the installation of the last section of track/guide beam, the hook pin saddle and hook pin were connected, and the track/guide beam was then raised up to approximately 20 feet. The beam was almost vertical, when the welds on the hook pin broke or failed. The track, which weighed approximately 2,500 pounds, fell and struck Employee #1, a floor hand who was standing adjacent to the air hoist on the driller side of the rig floor. Employee #1 was killed.

Keywords:beam, installing, oil well drilling, broken weld, hoist, struck by, falling object, gas well drilling, crane

Investigated Inspection
# Inspection Age Sex Degree Nature Occupation
1 315178491 Fatality Fracture Laborers, except construction
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