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Inspection Detail
Inspection: 107504102 - Midway Rental Service, Inc Dba/Mangum Oilfield
Inspection Information - Office: Oklahoma City Area Office
Site Address:
Midway Rental Service, Inc Dba/Mangum Oilfield
5 Mi E, 1 Mi S, 1/2 Mi W
Beaver, OK 73932
Mailing Address:
P. O. Box 971, Woodward, OK 73802
Union Status: NonUnion
SIC:1389
NAICS: 0
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Health
Close Conference: 08/23/1990
Emphasis:
Case Closed: 01/11/1991
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 360642904 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 5 | 5 | ||||
| Current Violations | 5 | 5 | ||||
| Initial Penalty | $3,200 | $0 | $0 | $0 | $0 | $3,200 |
| Current Penalty | $2,560 | $0 | $0 | $0 | $0 | $2,560 |
| 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 | Serious | 19100132 A | 11/07/1990 | 11/10/1990 | $640 | $640 | $0 | I - Informal Settlement | ||
| 2. | 01002 | Serious | 19100134 A02 | 11/07/1990 | 11/10/1990 | $640 | $640 | $0 | I - Informal Settlement | ||
| 3. | 01003 | Serious | 19101200 E01 | 11/07/1990 | 12/11/1990 | $640 | $640 | $0 | I - Informal Settlement | ||
| 4. | 01004A | Serious | 19101200 F05 I | 11/07/1990 | 12/11/1990 | $640 | $640 | $0 | I - Informal Settlement | Citation has been deleted. | |
| 5. | 01004B | Serious | 19101200 F05 II | 11/07/1990 | 12/11/1990 | $0 | $0 | $0 | I - Informal Settlement | ||
| 6. | 01005 | Serious | 19101200 H | 11/07/1990 | 12/11/1990 | $640 | $640 | $0 | I - Informal Settlement |
Investigation Summary
Apparently Employee #1 was atop an oil field frac tank that contained drilling mud, and which had sat on-site for 60 days. He was using a water hose to dilute the mud for easier pump removal into a tank truck for disposal. He was overcome as he either leaned into or over the tank hatch opening to inject the water into the mud. Employees #2 and #3 then entered the tank, either one at a time or together, to rescue the first employee. One employee died from methane gas inhalation and two apparently were overcome by the gas and fell into the drilling mud and drowned. This frac tank differed from the others they had already emptied in that, because it did not have a front hatch opening, it had to be diluted from the top hatch. No respirators were on-site because the employees were not entering the tanks to do the job.
Keywords: WORK RULES, TOXIC FUMES, OVEREXPOSURE, RESPIRATOR, CONFINED SPACE, FRAC TANK, NATURAL GAS, FALL, OIL WELL SERVICING, DROWN
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 107504102 | Fatality | Asphyxia | Occupation not reported | ||
| 2 | 107504102 | Fatality | Asphyxia | Occupation not reported | ||
| 3 | 107504102 | Fatality | Asphyxia | Occupation not reported | ||
| 4 | 107504102 | Fatality | Other | Occupation not reported | ||
| 5 | 107504102 | Fatality | Asphyxia | Occupation not reported | ||
| 6 | 107504102 | Fatality | Other | Occupation not reported |