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Inspection Detail
Inspection: 1371749 - Cactus Drilling Corporation Rig9
Inspection Information - Office: Lubbock Area Office
Site Address:
Cactus Drilling Corporation Rig9
5 Miles North Of Midland Tx On Highway 158-79702
Midland, TX 79702
Mailing Address:
P O Drawer 2800, Midland, TX 79702
Union Status: NonUnion
SIC:1381
NAICS: 0
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 10/26/1984
Emphasis: L:Oilgas
Case Closed: 11/09/1984
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 360558290 |
Investigation Summary
THE DRILLER WENT TOO HIGH WITH THE TRAVELLING BLOCK, CAUSING IT TO HIT THE CROWN BLOCK (TWO-BLOCKING). THE TWO-BLOCKING CAUSED THE WIRE ROPE TO BREAK, ALLOWING THE TRAVELLING BLOCK TO FALL TO THE RIG FLOOR. THE TRAVELLING BLOCK BOUNCED, KNOCKING THE DOGHOUSE OFF THE DRILL FLOOR TO THE GROUND LEVEL 15 FEET BELOW. EMPLOYEE #1 WAS KILLED WHEN HE WAS EITHER STRUCK BY THE TRAVELLING BLOCK OR WAS THROWN AGAINST THE DOGHOUSE. EMPLOYEE #2 WAS EITHER THROWN OVER THE DOGHOUSE OR FELL FROM A STAIRWAY AS HE WAS ATTEMPTING TO GET CLEAR OF THE TRAVELLING BLOCK. HE FELL TO THE GROUND LEVEL AND WAS CRUSHED BY THE DOGHOUSE, WHICH FELL ON TOP OF HIM. THREE OTHER EMPLOYEES WERE INSIDE THE DOGHOUSE WHEN IT WAS STRUCK. THEY RECEIVED ONLY FACIAL CUTS AND BRUISES. ONE OTHER EMPLOYEE RECEIVED MINOR CUTS AND BRUISES AS HE WAS COMING DOWN THE DERRICK.
Keywords: DOGHOUSE, CROWN BLOCK, LACERATION, TWO-BLOCKING, CONTUSION, WIRE ROPE, TRAVELLING BLOCK, OIL WELL DRILLING, CRUSHED, FALLING OBJECT
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 1371749 | Fatality | Cut/Laceration | Occupation not reported | ||
| 2 | 1371749 | Non Hospitalized injury | Cut/Laceration | Occupation not reported | ||
| 3 | 1371749 | Non Hospitalized injury | Cut/Laceration | Occupation not reported | ||
| 4 | 1371749 | Fatality | Puncture | Occupation not reported | ||
| 5 | 1371749 | Non Hospitalized injury | Bruise/Contus/Abras | Occupation not reported |