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Safety Recommendation Details

Safety Recommendation M-86-112
Details
Synopsis: ON OCTOBER 27, 1985, THE U.S. MOBILE OFFSHORE DRILLING UNIT PENROD 61 WAS DRILLING FOR OIL AT AN OFFSHORE DRILLING SITE ABOUT 25 NAUTICAL MILES (NMI) SOUTH OF THE LOUISIANA COAST IN THE GULF OF MEXICO. THE PENROD 61, A SELF-ELEVATING TYPE DRILLING UNIT, WAS IN THE JACKED-UP MODE IN ABOUT 246 FEET OF WATER AND WAS ELEVATED ABOUT 50 FEET ABOVE THE SURFACE OF THE WATER ON THREE BOTTOM BEARING LEGS. ABOUT 2330 C.S.T. IN SEAS REPORTED TO BE IN EXCESS OF 30 FEET HIGH AND IN WINDS GUSTING TO 80 KNOTS, THE PENROD 61 COLLAPSED INTO THE SEA. THE 43 PERSONS ON BOARD ABANDONED THE VESSEL AND ALL BUT ONE WERE LATER RESCUED. AFTER IT FELL INTO THE SEA THE PENROD 61 DRIFTED WITH THE WIND AND SEA, STRUCK THE NEARBY PENROD 60, AND SUBSEQUENTLY SANK ABOUT 9 NMI NORTHWEST OF ITS DRILLING SITE. AS A RESULT OF THIS ACCIDENT THE PENROD 61, VALUED AT $40 MILLION, WAS DESTROYED AND ONE MAN LOST HIS LIFE.
Recommendation: THE NTSB RECOMMENDS THAT THE PENROD DRILLING COMPANY: FOR EACH COMPANY-OWNED MODU, DEVELOP A DETAILED SEVERE WEATHER EVACUATION PLAN WHICH SETS FORTH THE ORDER IN WHICH PERSON NEL WILL BE EVACUATED, IDENTIFIES THE TRANSPORTATION RE SOURCES TO BE USED IN THE EVACUATION, AND INCLUDES TIME AND DISTANCE FACTORS FOR THE INITIATION OF EVACUATION BEFORE THE ONSLAUGHT OF HAZARDOUS WEATHER CONDITIONS AT THE LOCATION OF EACH MODU.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Unacceptable Action
Mode: Marine
Location: Gulf of Mexico, GM, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA86MM005
Accident Reports: ​Collapse of the U.S. Mobile Offshore Drilling Unit Penrod 61
Report #: MAR-86-10
Accident Date: 10/27/1985
Issue Date: 10/14/1986
Date Closed: 4/25/1988
Addressee(s) and Addressee Status: Penrod Dilling Company (Closed - Unacceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: Penrod Dilling Company
Date: 4/25/1988
Response: On October 5, 1987, the National Transportation Safety Board requested a response to Safety Recommendations M-86-109 through -112, issued to the Penrod Drilling Company on October 14, 1986, as a result of the Board's investigation of the October 27, 1985, sinking of the U.S. mobile offshore drilling unit PENROD 61, about 25 miles south of the Louisiana coast in the Gulf of Mexico. The Safety Board has no record of having received a response to either the October 5, 1987, or the October 14, 1986, correspondence; therefore, Safety Recommendations M-86-109 through -112 have been classified as "Closed-- Unacceptable Action." Should the Safety Board receive information from the Penrod Drilling Company concerning the above recommendations, we will give full consideration to amending their status.

From: NTSB
To: Penrod Dilling Company
Date: 10/5/1987
Response: On October 14, 1986, the National Transportation Safety Board issued Safety Recommendations M-86-109 through -112 to Penrod Drilling Company as a result of the Board's investigation of the October 27, 1985, sinking of the U.S. mobile offshore drilling unit PENROD 61, about 25 miles south of the Louisiana coast in the Gulf of Mexico. Our records show that we have not received an indication of any measures taken by your Company regarding the recommended action. We would appreciate being informed as to what efforts are being made .to implement these recommendations. A copy of the Safety Board's October 14, 1986, letter is enclosed for your convenience. Thank you for your cooperation in this matter. We look forward to hearing from you in the near future.