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Ocean Guardian
Oil Rig Photos
No: 309   Contributor: Andrew Dowsett   Companies: Diamond Offshore, Falkland Oil & Gas Ltd   Year: 2005   Country: United Kingdom
Ocean Guardian

Picture added on 30 March 2007
add commentComments:
I'm pretty sure this is a Sedco 7 series hull, hull No 713 i think. She used to be called BP Sea Explorer

Added by Ronald Young on 31 March 2007.
This is my new workplace, I think it was sea explorer although down inside the legs there are markings of 713. It is at present drilling for Shell UK in the Penguin oil well which is 8 miles southeast of the Magnus Platform. At the end of the month we`re due to go with Oilexeco for a 2 year contract.
Ive often wondered what the Port side looked like from below !!!

Added by Gus Mackay on 08 April 2007.
Launched June 1983 in two sections deck/pontoons and legs then joined together at the "Tail of the Bank" on the Clyde, The Sea Explorer was Hull No 2001. A Sedco 700 series semi-submersible drilling rig with dynamic positioning thrusters fore and aft.

Added by Peter Swankie on 13 June 2007.
This rig made the Headlines for the wrong reasons this week, the engineroom went on fire!!! Im glad I wasn't there, its my trip off thankfully!!

Added by Gus Mackay on 16 August 2007.
I worked on the Gaurdian in 2002 when was this photo taken

Added by Ian on 22 August 2007.
Does anyone know where this rig is now? I heard it's down Tunisia way. Unless this is the wrong Sea Explorer!

Added by Ryan on 11 January 2008.
Ryan, she is drilling near the Scott Platform 100 miles ene of Aberdeen, owned by Diamond offshore, contracted to Oilexco. I think its another explorer youre meaning !!

Added by Gus Mackay on 22 January 2008.
The rig was built by Scott Lithgow and was partially finished in 1985 then went to Invergordon for completion. It was the last BP rig to be built.
I spent my first seven years offshore on her prior to her being sold.

Added by Jim Coats on 13 February 2008.
Dears...The rig just left Malta and is on its way to the Republic of Congo. Left on 25/06/08.

Added by Lorna Pace on 26 June 2008.
Lorna, this rig is east of Aberdeen 2.4 miles from the Lomond gas Platform. It is at the moment, on completions work on the Moth well. It will be pulling anchors around the 13th-19th July & heading to Invergordon to have some much needed maintenance work completed on her. I just came off her on Tuesday so sorry Lorna but you info is wrong.

Added by Gus Mackay on 04 July 2008.
Good work Gus.
Oilexco is a Canadian company with a ton of reserves in the North Sea.
This company should be turning some heads. Do you know when the OG is going back in to service if it already hasn't.

Added by Alex B. on 22 August 2008.
No idea mate, I resigned from my post at the end of last month, but I do know she is still in Invergordon having passed there an hour or 2 ago.

Added by Gus Mackay on 27 August 2008.
Ive just been informed they will be setting sail on Tuesday or Wednesday of next week-2nd or 3rd of September 2008, if that helps?

Added by Gus Mackay on 28 August 2008.
im due out there for upman for rov crew

Added by Hackdaffwirovs on 04 September 2008.
She will be due in Invergordon any day as the oil company she was drilling for, Oilexco UK, went bust last month.

Added by John Francis , OIM , Ocean Guardian on 15 January 2009.
Ocean Guardian used to be called "Sea Explorer" and was built at the Cartsburn Dockyard of Scott Lithgow in Greenock, Scotland.
She was hull number 2001 and was followed later by hull 2002, "Ocean Alliance".
Sea Explorer was my first taste of rig building and I worked on the vessel from the first pontoons being laid down to the day she sailed away for the last time.

I completed my Engineering apprentiship on her and the Alliance.

Great to see that both of these rigs are still doing what we hoped they would.
Clyde built :)

Somewhere I have photos of her on the "ways" and at other various stages of build.

Added by Michael R Anderson on 14 June 2009.
A quick note reference above. I thought it was Inchgreen Dockyard, but that may have been where our BP office was situated.

Added by Jim Coats ex Rig Materials Controller Sea Explorer on 15 June 2009.
The legs and pontoon section were built at Cartsburn and the deck assembled at Inchgreen, not far from the "repair" quay, where the rig was berthed for completion after the float out and "mating" operations of the deck and pontoon sections at the tail o' the bank.

I worked as an apprentice engineer/mech fitter on the pontoons and legs at first, so for me the rig started life at Cartsburn and was out fitted at Inchgreen. Those who worked on the deck sections in the early days, may have a slightly different view.

But you are right. Not just Cartsburn, but Inchgreen and the Repair Quay.

Added by Michael R Anderson on 15 June 2009.
I also served my time as a Plater on both Rig Nos 2001 and 2002 working from 55 shed at the Cartsburn Yard in Greenock From 1980 and left Scott Lithgow in 1989 (Although Cartsburn had closed by this time).

Added by Jimmy McKenna on 27 August 2009.
She's back in Invergordon again

Added by Jimmy Rae Moore on 11 September 2009.
Off to the Falklands for Desire and Arcadia hopefully in November 2009. If you are near Jimmy can you let us know what's being done and when she is due to leave? Thanks

Added by Jeff Harris on 15 September 2009.
The 713 or Ocean Guardian is about half a mile east of the Sedco704. I just came off 704 last Monday - wonder if she's in better nick than the old 704!!!!

Added by Martin Reid ..............beastie on 27 September 2009.
Anyone know how long the journey will take Scotland to Falklands? Suggestions are leaving Scotland early November, start drilling early Feb 2010.

Added by Eric Collinson on 27 September 2009.
The tow from Invergordon to F.I. should take in the region of 50 days.

Added by Marine OP on 05 October 2009.
Any of you guys going on the rig to the falklands?

Added by Mick Smith on 07 October 2009.
Does anyone have an idea of the extent of the works being done and the timeframe for these works to prior leaving for the FI's. I am trying to get an idea if a departure in November for drilling in February is likely to be pushed out.


Added by Hoppy9 on 07 October 2009.
Why not get in touch with Diamond offshore Hoppy9 , if they won't tell the boys on the rig, what hope have you got????

Added by Jock Taylor on 07 October 2009.
Strongly forecast rig leaves for Falklands 17 Nov, according to oily's on Desire bb

Added by Eric Collinson on 08 October 2009.
It will take about 46 days to get to Recife, Brazil, that's doing 4knots all the way. then another 24 days to Falklands.

Added by John on 16 November 2009.
The rig leaves on tuesday 24 November, my hubby is going on the tow to Brazil!

Added by Drillers wife :-) on 17 November 2009.
The Sedco 711, 712 & 714 were built by Hyundai Heavy Industries in Pusan Korea 1982-83 as joint ventures with BP, Philips & Ranger Oil respectively. The hull number 713 was the exact same design but as stated built at the same time in Glasgow for BP.

Their owned & operated rigs all began with the word "Sea" cf Sea Quest (another Sedco 3-leg design). Construction began around the same time but rig entered service later than the others. The thrusters previously mentioned are not for dynamic positioning but primarily to aid station-keeping in adverse weather - they can also add a boost to speed when under tow if required. Bon Voyage to Penguinland !

Added by Bruce MacMedic on 18 November 2009.
IG-FI etd 18:00 24.11.09 w/crew changes offshore Las Palmas and Recife. Balance of spud drlg crew dep UK 5 days prior OGs ETA first location, via charter a/c [& towing crew retn to fieldbreak] to Stanley.
Presently: Waiting on icecream machine[s]...
Source: Mrs Anna Madmudman - LOL

Added by Madmudman on 18 November 2009.
We had bad weather last trip and believe you me the thrusters are [word meaning not very good] for station keeping.. Sedco 704 might get a knot with all four azimuths on.

Added by Martin Reid on 19 November 2009.
Ocean Guardian just left the Queens Dock, Invergordon. The rig looks great - pristine fresh new paint. Unfortunately the nearby houses and cars are covered by the overspray from the work done here.

Added by W Berry on 23 November 2009.
Are the residents going to sue over it?? They shouldnt paint when its windy really!!! But then in Scotland when is it not windy?

Added by Jimmy Rae Moore on 24 November 2009.
Does anyone know if Ocean Guardian is now on the way to Recife?

Added by Edgar on 24 November 2009.
It has been strongly suggested first stop was to be Las Palmas

Added by Eric Collinson on 25 November 2009.
OK thanks Eric. Is she sailing or still moored?

Added by Edgar on 25 November 2009.
Ocean Guardian left IG/Cromarty Firth 12:00 today 26th November, eta Las Palmas 14:00 16th December - towed by Maersk Traveller. Thence to offshore Recife, Brazil for crew change etc and onwards to the Falklands Islands to drill [10] wells for Desire Petroleum and Rockhopper Exploration. THINK she is going via English Channel but too soon to be sure.
Both ice-cream machines working now...

Added by Madmudman on 26 November 2009.
Is moving and listed as destination Las Palmas. Look for yourself on, Type in the top box Maersk Traveller. I am looking closely to se if it goes English channel or round top of Ireland. Me thinks the Channel

Added by Eric Collinson. on 26 November 2009.
Left Nairn this lunchtime, passing Findhorn at 2pm.

Added by Wendy on 26 November 2009.
That's good about the ice cream machine Madmud man. I remember pme trip I was on her & someone stop carded the fact there was only chocolate flavour & no vanilla??? How could they work in conditions like that? No Mr Whippy either - shocking

Added by Jimmy Rae Moore on 27 November 2009.
Is it a fact they change crew offshore Recife? 'Cos someone told me could be Montevideo, Uruguay.

Added by Edgar on 04 December 2009.
Shrek n Boaby fae Colin Lawson Transport are on a mission to get a tow wire fae EMM in Abdn to Falmouth docks before 8am. If we don't make it we're possibly bound for France to rendevous wie a boat. Happy days!!!

Added by Shrekr on 07 December 2009.
Did they get there in time?

Added by Dave on 09 December 2009.
Are you working on Ocean Guardian or Maersk Traveler? or is your Man working on them. If so input to the Ocean Guardian Facebook page would be welcome.

Added by Eric Collinson on 11 December 2009.
They sure did Dave. reliable n dependable

Added by Shrekr on 10 January 2010.
I understand Falkland oil and gas is going to drill the first wells using the Ocean Guardian, FOGL apparently has the best prospects.

Added by Brandon on 14 January 2010.
FOGL will maybe drill one well using the OG, but that is not sure. They have the option for the third slot of a (minimum) 5 well campaign.

First (and last) wells will be payed mainly by Desire Petroleum (LSE:DES) and Rockhopper Exploration (LSE:RKH) on their prospects, without any FOGL interest.

Also, the most interesting (interesting is a better definition than your "best" definition) prospects for FOGL are not drillable by the OG, as they are too deep (water depth) for the rig.

There is some rumour that FOGL might farm into the RKH prospects, though.

Added by Thingo on 15 January 2010.
Brandon, you are wrong there it is Liz the first prospect to be drilled on Desires acerage.

Added by Oily on 16 January 2010.
Falkland does have the "best" prospect(s) out of all license holders. It is unfortunate the market cap of FOGL will be determined by others' (Desire / Rockhopper) success or failure.

Added by Nevermoretheraven on 17 January 2010.
What prospect is the best can be only determined by the drill bit.
Until then, all prospects only have a theoretical value. That is what I wanted to state.
Desire and Rockhopper will now try to move their theoretical values into proven reserves.
That's a great step forward, a multi million project. A positive result for sure will also leverage FOGLs share price up, but they still would have to prove that they also have something of value.
We will get a more detailed view into the geological structure of the FI through this extensive drilling campaign.
And you are right that this will also affect FOGLs share price. But until they stick the drill bit into their prospects, it will only be a dream about possible resources.
Anyhow, the Ocean Guardian should be in Brazil by now, any information around, confirming this?

Added by Thingo on 17 January 2010.
Thingo, I agree with your visceral vs. corporal assessment. Well stated. Do you have any thoughts to a share price for FOGL for a 1B barrel P1 (maybe P2) discovery?

Added by Nevermoretheraven on 18 January 2010.
Does anyone know where is Ocean Guardian because there is no news in SHP AIS since 9th December.

Added by Edgar on 20 January 2010.
She will arrive in Vitoria on 25th Jan for fuel then off down to Falklands. ETA 13th 14th Feb.

Added by Anon on 22 January 2010.
The lads & lasses on board dont like the travelling. 3 days to get to work & 3 to get home 4 weeks away 4 at home turns into 5 weeks away & 3 at home

Added by Monkeyboard on 26 January 2010.
Sounds like mutiny to me!

Added by Nevermoretheraven on 27 January 2010.
It won't take 3 days either end of trip travelling, it will take a day down then 2 days on way back. I will be on these flights.

Added by Anon on 28 January 2010.
So will I & you are talking nonsense Anon

Added by Monkeyboard on 29 January 2010.
The travel time WILL be at the very least 2 days to get on the rig by the time you have waited around for chopper flights etc depending where you have started from in the world of course. If you think its only a day's ride to get on a rig in the South Atlantic from UK then you are in for a shock dude.

[Editor's note: nice to see a civil post on this point - there have been a few less polite ones which I haven't published - let's play nice eh!]

Added by Sundance on 02 February 2010.
Is there not a daily flight provided by the her majesty's RAF from the UK to the Falklands? I thought there was.

Editor's note: indeed, an anonymous poster left this:- "i will depart brize norton at 11pm check in at 8am and will be on rig 24 hrs later.i have the flight schedule in front of me. leave rig 7pm on monday and back in london 7am wedensday.this is all facts.]"

Added by Nevermoretheraven on 03 February 2010.
Does anyone have any update info on the drilling program. I am a keen investor in the project and have been over 6 years, but any news of the progress has gone quiet.

Added by Ashley on 09 February 2010.
Malditos piratas, ahora se quieren robar el petroleo que nos pertenece

Bloody pirates, now want to steal the oil that belongs to us

Added by Pablo on 17 February 2010.
Argentina should have thought of that before they unilaterally decided in 2007 to scrap an agreement with the UK to share the proceeds of any oil discoveries in Falklands waters. No point in complaining now!

Added by Anon on 18 February 2010.
I hope the OG gets all its chemicals and tubulars from out of Argentinian custody. Hasn't the OG miscalculated the weather window for these 4 wells? Winter is starting to set in. I was on the rig floor aboard the Sea Quest, Sea Conquest, Buchan Alpha and the Forties Platforms. ¡Buen suerte malditos!

Added by Max Coulthard on 20 February 2010.
OG and its charterers have all the tubulars and drilling/testing equipment they need for the 10 well campaign. NONE of the Techint Group [seamless] pipe loaded onboard 'Thor Leader' arrested in Campana are destined for the Falklands operations - all her cargo [3,970 tonnes] is for customers in Egypt and N. Africa. As for the weather window: the relatively shallow NFB, where almost all of OG's 10 holes will be drilled, is very well sheltered from the worst Antarctic weather; unlike the South Falklands Basin [SFB] which will be drilled, necessarily, in the next summer season - utilising a deepwater d.p. modu/drillship from BHP Biliton and its 'partners'.

OG presently setting anchors on her first prospect, 'LIZ' for Desire Petroleum and should spud tomorrow, Sunday 21st February, or at latest on Monday. Buen suerte Guardianos...!

Added by Madmudman on 20 February 2010.
Britain in the early 19th century provided massive funding to most of the Spanish colonies to help liberate the continent from this power. That did include help to present day Argentina. Argentina never had control of the FALKLANDS before their independence. It had long been a whaling and seal station after the small Spanish garrison withdrew.
We have firm allies in the region, namely Uruguay and Chile. Both these countries gave us sterling assistance during the 1982 Falklands conflict.
Argentina would be foolish to attempt any repetition of that and just drop their claim once and for all.
¡ No Las Malvinas, Si las Falklands !
Good luck with the drilling OG.

Added by Max Coulthard on 20 February 2010.
Max, you are not informed correctly. There is not a single item for the FI campaign in Argentinian custody.
Here's a citation from
But Director of Mineral Resources, Phyl Rendell, was not unduly concerned: “Action taken by the Argentine Government this week will not prevent oil exploration continuing as planned.

“This is due to the fact that the rig and the equipment needed to drill wells has been supplied and shipped directly from Europe and much of the drill pipe and casing is already in the Islands. It is business as usual for all involved in the drilling programme” pointed out Director Rendell.
And another one from
But he says the ship had come from the Falklands but was taking the steel cargo to the Mediterranean. Techint, an Argentine steelmaker, has made similar claims in denying that the shipment was bound for the Falklands.

Meanwhile, the old rusty bucket has arrived north of the FI and is anchored right above the first drill location.
Spud is shortly ahead or even already done, see this Channel 4 reports:

Added by Anon on 21 February 2010.
Yes my mistake ! I did read that a vessel with "drilling equipment" on board had been impounded in an Argentine port and assumed it was somehow linked to the OG's first exploration well.
I would imagine that none of the exploration program would ever have been signed-off unless there was in place a guarantee of uninterrupted supplies and support for this undertaking.
What is the water depth at this location ? and what typically are the depths of the potential pay-zones ?

Added by Max Coulthard on 21 February 2010.
Go to and under 'technical' you can find the well program for the first well.

Added by Norbert Kreiner on 19 March 2010.
Anyone here on the OG? Heard the weather is a bit rough out there?

Added by Dave Ferguson on 15 May 2010.
Rumors around the OG is already spudding the Toroa prospect of FOGL. Can anyone knowledgeable confirm activities in the Falkland's south?

Added by Klaus Molle on 29 May 2010.
Waiting on weather, will spud well either Monday or Tuesday (31st May/1st June)

Added by Anon on 31 May 2010.
What's cooking on the OG? Do you still drill through mud / sand or experienced hard rock yet Toroa? cheers

Added by Klaus Molle on 07 June 2010.
Could you keep us updated with drilling activities - let us know if you hit oil.

Added by Oil Brat on 09 June 2010.
They did hit a big find on the last well. Check Rockhopper`s website.

Added by Oim on 11 June 2010.
Hey Toroa any updates? Are you at TD yet? hope you lads are covered in the black stuff.
Kind regards.

Cheers for that Oim.

Added by Oil Brat on 26 June 2010.
It's all gone quiet on this website.....

Too much at stake!

I'm hearing good vibes onboard the ship I work.

Added by Andy - Hydrographic Surveyor on 06 July 2010.
Yo good people, any idea of the current location of the Ocean Guardian, it's next destination (Sea Lion or Ernest) and the ETA?

Added by Drill Dude on 21 July 2010.
OG is within hours of entering the 500m exclusion zone of Rockhoppers Ernest location and we are expecting a spud announcement on/about next Monday 26 July. Following the drilling of Ernest OG will return to Rockhoppers successful Sea-Lion location for an extended Well Test, on completion of which OG will be handed back to Desire for three further wells, locations as yet unclear.

Added by Madmudman on 22 July 2010.
Editor's note: We've had a flood of comments adding, confirming and denying rumours of the success or otherwise of current operations in the Falklands. I've no way of knowing whether there is any truth in these, or whether they are simply trying to raise or dash the hopes of investors. For that reason I won't be publishing any other similar comments on this page.

Added by Garve Scott-Lodge on 29 July 2010.
Does anyone knows when the 713 OG will finish drilling for FOGL in Falklands islands? It seems to be shipped to start drilling a deepwater well in the northern waters of Peru, for Karoon Gas.

Added by Eduardo on 13 October 2010.
The OG is currently drilling for Desire in the Falklands and will probably remain there for at least the next 6 months, with either them or Rockhopper.

Added by Jon on 29 October 2010.
Og currently expected to spud Rachel 2 in the next day or 2. TD was reached in 20 days on Rachel 1. Another hole to drill for Desire after that.

Added by Jono, Durham on 11 November 2010.
My dad was on this rig for many years, Tony Plows chief engineer, died Sept 24th 2008, loved his job, was a great engineer.

Added by Annalee Plows-Reeve on 09 August 2011.
The OG is in Invergordon for repairs ...leaves about 12 July for 2 year contract with Shell

Added by G McD on 30 June 2012.
What's it like to live on the OG gym , food ect

Added by Nico on 29 July 2013.
You are correct Ronald! When it was bought, the 13 was seen as unlucky so they changed the name.

Added by Dave Robertson on 11 January 2014.
I was with BP on the project to built the then Sea Explorer. Stayed with her until 1993 when I retired. BP then sold their interest in semi submersible rigs and rented from the market. Her sister was the Sedco/BP 711 which was also sold. Great and exciting times and some wonderful memories.

Added by Peter Martin on 26 February 2015.
OG now on tow from Gannet A to Nigg Bay (1430hrs Apr 25th 2015

Added by HWStorey on 25 April 2015.
Think this rig is currently in the River Forth sitting of from Burntisland.

Added by Elaine Thurogood on 07 March 2016.
The Ocean Gaurdian is currently sitting in the River Forth just off Burntisland Harbour, she has been here for nearly a year and looks like she maybe on her travels soon, supply boat sitting in position for last couple of days ready to lift anchors maybe?

8th March 2016

Added by Elaine T. on 08 March 2016.
The Ocean Gaurdian is currently sitting in the River Forth just off Burntisland Harbour, she has been here for nearly a year and looks like she maybe on her travels soon, supply boat sitting in position for last couple of days ready to lift anchors maybe?

8th March 2016

Added by Elaine T. on 09 March 2016.
She's most definitely on her next journey three vessels been with her all day today, anchors and chains are up and she's ready to go! Would be great to know where her next destination is if anyone knows?

Added by Elaine T. on 09 March 2016.
Who was the oims in 2013

Added by Trevor Brewster on 11 March 2016.
Thought it was for the knacker's yard but it's gone to the North Sea to suck more oil for Dana Petroleum and Cieco.

Added by Anon on 30 March 2016.
Hi guys, was a technical programmer, worked in Scott Lithgow from 1980 to 1985. Worked with the NC loft , the design office and the QA guys. Remember a long night sinking the legs then joining the deck on one of the rigs and seeing Iolair launched. Great place to work best job I ever had.

Added by Ray Collinson on 12 August 2016.

You actually mentioned that effectively.

Added by Buy Erectile on 18 April 2018.
Joined Sea Explorer on the 07/02/1985 in Greenock and took her up to Invergordon, worked on her until 23/04/1991 leaving on block 21/12-6.

Great times and great crew.

Added by Matt Horton on 25 May 2018.
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Added by Antonia on 28 May 2018.
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