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Pentagon at Puerto Madryn, Argentina
Oil Rig Photos
No: 82   Contributor: Garve Scott-Lodge   Year: 1995   Country: Argentina
Pentagon at Puerto Madryn, Argentina

I was sent out to Argentina to inspect this rig in 1995. It was eleven years old but had only been used for 18 months, so was in pristine condition. I can't remember the name of the rig, but it was a five-legged 'Pentagon'.

I remember they de-ballasted her and we had to inspect a normally flooded tubular by climbing through a hatch on the underside into the member with head torches. Half way along there was the petrified carcass of a seal stuck to the roof of the tubular - bit of a shock!
Picture added on 30 October 2006
add commentComments:
Garve,
I did the original Eddy Current Survey on the Port Magellan as it was known in February 1992. There were some carcasses in the lower horizontals then as well.



Added by James Grosset on 15 December 2006.
Thanks James, I remember it being an easy job for me - I worked on it with Bobby Skinner and Gary Watson, both of whom had eddy current tickets. I was only there to carry our UT on anything they found, so spent most of the time lazing on deck whilst they dangled around. At one point there were only the three of us and two Filipino crew on board.

Added by Garve Scott-Lodge on 15 December 2006.
This is the Pentagone 90 (Gral.Enrique Mosconi) which belonged to Rio Colorado Drilling SA. I was a toolpusher on the rig while drilling for Esso off of Tierra del Fuego from 1979 until the outbreak of the Faulkland War. She was then towed to Puerto Madryn and cold stacked. Good little rig and great crews.

Added by Michael Strauss on 19 March 2008.
I was a Sub Sea Engineer for that Platform in 1977-1983. I know almost all about that. I would like to train people in Argentina in offshore and I would like to have drawing, photos, sketch about tools like Base Plate, Base Guide, Rucker Shaffer Compensator. If you wish to help me it should be good for me to know where to get that information. Thank you for your kindness.

Added by Juan Carlos cantallops on 13 June 2008.
Nice picture buddy, my dad works on the Gral Mosconi - he was the medic on board since 1977 to 1981, and then he move out to the Jack Up Rio Colorado 1. Now I'm offshore too, I'm the second generation of oilworkers in my family but, as a Radio Officer/Flight Dispatcher on the Diamond Offshore "Ocean Scepter", we work on the near locations as the Mosconi was drill.

Added by Sergio Nalivaiko on 18 March 2009.
I was the Offshore Installation Manager for Sonat Offshore on the Port Magellan when the rig went to work for Oxy in 1992. We drilled two wells between Rio Gallegos and the Malvanias. The rig was dated, but we were able to drill the wells successfully, but found no oil for Oxy.

Added by Dado Matkins on 07 September 2009.
Wow! Talk about a blast from the past. I was a subsea control field rep for Cameron Iron Works back in the 80's. Spent some time on the Mosconi and found it to be a great rig of its day. Since moved on to other adventures, but it's good to remember.


Added by John D. Knox on 07 May 2010.
que bueno recordar viejos tiempos de la Mosconi yo trabaja como Guinchero en la unidad de Schlumberger que haciamos estudio de suelo y punzados con el Ing Franck Thomson y otros colegas mas en el 1979

[Google translate: remember that good old days of Mosconi I worked as hoist the unit of Schlumberger that we were doing studio floor and punctured with Franck Ing Thomson and colleagues more in 1979]

Added by Luis Carrizo on 07 May 2012.
I wae sent, with a crew, in Feb 1994 to prepare it for a tow to Trinadad, then to Tampico Mexico. I was there approx. three weeks when the office called and and said that they were going to split the tow at Trinadad and wanted to know which half of the tow that I wanted, I chose the second half, as I had concerns about it making it the first half. I came back to Lousiana. I was retired, but was available, and in Feb 1995 they called and wanted to know if I would go back to the rig, which was still in Puerto Madryn, and releave tho supervisor that had been on the rig since I had left in 1994. I returned to the rig, for what I thought was going to be about a month. I was informed that the person that I had relieved was terminated, and would I stay on! Later The Brazilian Government became interested in using the rig in Brazilian waters. I was asked to stay on the rig as the owners representive, but refused, as I did not want a long term commitment. Much to my surprise in 2010 I see a Pentagon rig at the Engleside yards near Corpus Christi, Tx, In 2012 I was waiting at the Port Aransas ferry and saw it being towed into the Gulf Of Mexico. I wonder where it is going?

Added by Capt. Wayne White, OIM,RIG MOVER on 24 December 2012.
Happy days! I was a watch tender on the P82 in 1975-77 in the N.Sea. Tough but fair French tool pushers, M. Malbrec and Miatto. Yves Pencalet, Gerard Herve, Jim Bennett, Jim Logan . . Hard work but great crew, full of comedians!! Anyone remember the P82?? Contact Bob MacKenzie

Added by Bob MacKenzie on 23 June 2013.
Hi guys
My name is Edwin and i'm a ocean master recently working at Pers. Gulf offshore fields and recently been envolved with a Company who tries to refloat a rig same as these pentas .. which been aground for 6 years at a sandy beach coast line 400 mrs oof the shore at a depth of 7-11 mtrs and wondering is it worthed or not . I had a visit few days ago and noticed plenty of corrosion and structural weakness in the form of wide srpead corrosion to the point of metal deformation . would love to hear more from You guys who's been on this type platforms since the co. envolved seems desperatly looking for profesionals in this type of rigs.
plz contact me on my email : capt.edwin_s@yahoo.com

Added by Edwin on 14 January 2014.
My Dad was a drilling superintendent on this rig. It was in the 80's for ESSO. The war broke out in the Falkland Islands and they shipped the rig to the South China Sea where I got to see this rig. I was so impressed with the rig, so massive. I have since designed many oil rigs, inspired by my childhood and my dad!

Added by Darlene Toloudis on 10 December 2014.
Hi, my name is Harald Frigstad. I was owners rep for two different Pentagone rigs. in the late 80´s early 90´s. The SS Asterie was owned by a joint company between Odebrecht (Brazil) and Foramer (French) named Forabrecht. This rig was stacked in Gabon, Africa in 1989, and sold to a Norwegian company led by Stavanger Drilling. This rig was never activated as a drilling unit , but later towed from Africa to the Persian Gulf by new owners (in the early 2000´s ?).

The second rig was the General Enrique Moschini- Port Magellan where Frigstad Offshore was a co-manager with Sonat offshore, drilling two wells for Oxy offshore South Argentina in the early 90´s.

The rig was stacked in Puerto Madryn before this, and was later sold to Queiroz Galvao, a Brazilian drilling company in 1997. This rig is still operating in Brazil under the name Atlantic Star

Added by Harald Frigstad on 29 October 2016.
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