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Inspection Detail
Inspection: 305656720 - Patterson-Uti Drilling Company Llc
Inspection Information - Office: Wyoming Department Of Workforce Services - Osha Division
Site Address:
Patterson-Uti Drilling Company Llc
Sec 35 T22n R115w
Kemmerer, WY 83101
Mailing Address:
1250 East Hwy 40, Vernal, UT 84078
Union Status: NonUnion
SIC:1381
NAICS: 213111/Drilling Oil and Gas Wells
Inspection Type: Accident
Scope: Partial
Advanced Notice: Y
Ownership: Private
Safety/Health: Safety
Close Conference: 01/07/2004
Planning Guide: Safety-Construction
Emphasis: L:Oildrill
Case Closed: 01/14/2005
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 100980671 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 3 | 3 | ||||
| Current Violations | 3 | 3 | ||||
| Initial Penalty | $4,875 | $0 | $0 | $0 | $0 | $4,875 |
| Current Penalty | $0 | $0 | $0 | $2,437 | $0 | $2,437 |
| FTA Penalty | $0 | $0 | $0 | $0 | $0 | $0 |
| # | Citation ID | Citaton Type | Standard Cited | Issuance Date | Abatement Due Date | Current Penalty | Initial Penalty | FTA Penalty | Contest | Latest Event | Note |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 01001 | Other | OD060001 AVI | 04/05/2004 | 01/06/2004 | $812 | $1,625 | $0 | I - Informal Settlement | ||
| 2. | 01002 | Other | OD030001 C | 04/05/2004 | 01/06/2004 | $812 | $1,625 | $0 | I - Informal Settlement | ||
| 3. | 01003 | Other | OD080005 AIV | 04/05/2004 | 01/06/2004 | $813 | $1,625 | $0 | I - Informal Settlement |
Investigation Summary
On December 23, 2003, Employee #1, a rig hand, and coworkers were conducting a top/surface cementing job. The cement line from the pump truck was positioned across the rig floor to the well casing and was not secured to prevent movement. While pumping the cement, within seconds, there was a sudden and drastic rise in pressure, increasing from 50 psi to 800 psi. In turn, the rate at which the cement was being pumped doubled, going from 4 barrels per minute (bpm) to 8 bpm. The cement line and 6-foot stinger, positioned between the well casing and conductor pipe, began to whip around. Employee #1 was struck in the head and knocked through an open and unguarded V-door and off the rig floor approximately 30 feet to the ground. Employee #1 died.
Keywords: AIR PRESSURE, HEAD, CEMENTING, HOSE, STRUCK BY, CONCUSSION, MECH MALFUNCTION
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 305656720 | Fatality | Concussion | Helpers, extractive occupations |