Accessibility Options

Sitemap

Drilling Programme

2010 Planned Drilling Activity 

Development drilling continues at Zhao Dong China in 2010.  Parallel drilling operations from the C4 and Zhao Dong platforms are being carried out to accelerate the proposed program of 24 wells and deliver earlier production.  The exploration program in Angola which commenced at the end of 2009 was completed in 1Q 2010.  A Castanha appraisal well in Angola is expected to commence drilling in 3Q 2010.  The Tuatara-1 exploration well, in the newly acquired New Zealand permit operated by AWE, is scheduled to be drilled in 3Q 2010.  Potential exploration drilling programs in Mauritania, Equatorial Guinea and Australia are being assessed.

2009 Drilling Activity

ROC's drilling programme for 2009 included 18 development wells in China and Australia and the commencement of an exploration programme in Angola, as summarised in the following table:

Well Name Country-Permit Type(*) Drilling Date Result Equity Operator

Zhao Dong Dev. Drilling (C&D Fields)

China, Zhao Dong Block Dev Feb-Aug Producing Oil

24.5%

ROC
Basker-7 Australia, VIC/L26 Dev Jul-Sep Producing Oil 30% ROC
Jingemia-12 Australia, L14 Dev Jul-Aug Producing Oil 0.25% Origin
Coco-1 Extended Well Test Angola, Cabinda South Block Appr in progress 10% fully carried Pluspetrol
Castanha-1 Angola, Cabinda South Block Expl in progress 10% fully carried Pluspetrol

2008 Drilling Activity

ROC's drilling programme for 2008 included 15 exploration/appraisal wells in China, Angola, Australia and Mauritania, and more than a dozen development wells in China, Mauritania and the North Sea - a record level of drilling activity for the Company.

The following summarises ROC's 2008 drilling activity: 

Well Name Country-Permit Type(*) Drilling Date Result Equity Operator
Banda East Mauritania PSC A App Oct-Dec Suspended (Oil & Gas) 4.155% Petronas
Chinguetti-20 Mauritania PSC B Dev Aug-Oct Producing Oil 3.25% Petronas
Massambala-3 Angola, Cabinda South Block App Oct P&A 60% ROC
Massambala-2 Angola, Cabinda South Block App Sep P&A Oil 60% ROC
Arroz-1 Angola, Cabinda South Block Exp Aug-Sep P&A 60% ROC
Sesamo-1 Angola, Cabinda South Block Exp Jun-Jul P&A 60% ROC
Chinguetti-19 Mauritania PSC B Dev Jun-Jul Producing Oil 3.25% Petronas
Freshwater Point-1 Australia, EP413 Exp May P&A 0.25% Origin
Banda Northwest ST Mauritania PSC A App Apr-May Suspended (Gas & Oil) 4.155% Petronas
Banda Northwest Mauritania PSC B App Apr Plugged & Sidetracked (Gas) 3.693% Petronas
Coco-1 Angola, Cabinda South Block Exp Mar-Jun Suspended Oil Discovery 60% ROC
Zhao Dong Dev. Drilling (C&D Fields, ERA & C4 Field) China, Zhao Dong Block Dev Mar-Nov Producing Oil 24.5%, 11.575% (unitised C4) ROC
Dunsborough-2 Australia, WA-286-P App Mar-Apr P&A 37.5% ROC
30/3a-3 & 30/3a-3Z(Blane) UK North Sea, Block 30/3a (Upper) Dev Mar-Apr Completed (Water Injector) 12.5% Talisman
Khop-1 Mauritania, PSC C, Block 6 Exp Feb-Mar P&A 5.0% Petronas
Frankland-2 Australia, WA-286-P App Feb P&A 37.5% ROC

Wei 6-12E-1 / -1A

China Beibu Block 22-12 Exp Feb-Mar P&A 40% ROC
Lilac-1 Australia, WA-286-P Exp Feb P&A 37.5% ROC
Wei 6-12W-1 China Beibu Block 22-12 Exp Jan P&A 40% ROC
  

2007 Drilling Activity

In 2007, ROC’s drilling programme included 7 exploration wells, with a focus on oil targets, in Angola and Australia.  Development drilling continued at the C&D fields (China) as the first phase of the Incremental Development Plan.

The following table summarises ROC’s 2007 drilling activity:

Well Name Country-Permit Type(*) Drilling Date Result Equity Operator
Milho-1 Angola, Cabinda South Block Exp Nov07-Mar08 P&A 60% ROC
Soja-1 Angola, Cabinda South Block Exp Aug-Oct P&A 60% ROC
Cevada-1 Angola, Cabinda South Block Exp Sep-Oct P&A 60% ROC
Massambala-1 and M-1 CH1/2 Angola, Cabinda South Block Exp Jun-Aug Suspended Oil Discovery 60% ROC
Dunsborough-1 Australia  WA-286-P Exp Jun P&A (Oil & Gas Discovery) 37.5% ROC
Perseverance-1

Australia  WA-325-P

Exp May P&A (Gas Discovery) 37.5% ROC
Zhao Dong Dev. Drilling China, Zhao Dong Block Dev Apr Completed (Oil) 24.5% ROC
Frankland-1

Australia
WA-286-P

Exp  Apr - May  P&A (Gas Discovery) 37.5% ROC
Jingemia-11

Australia
L-14

Dev Feb - Mar Completed (Oil) 0.25% Origin Energy

2006 Drilling Activity

In 2006, ROC's drilling programme included 10 exploration and appraisal wells, with a focus on oil targets, primarily in Australia, Mauritania and China. Cliff Head development operations (Australia) were completed in July 2006, with the drilling of six production wells and two water injection wells. Two development wells were drilled at Blane (UK) and one at Enoch (UK). Development drilling was also completed at the C and D Fields (Bohai Bay, China). The second phase of development drilling commenced at the Chinguetti oil field (Mauritania).

The following table summarises ROC's 2006 drilling activity:

Well Name Country-Permit Type(*) Drilling Date Result Equity Operator
Chinguetti-18 Mauritania PSC B Dev Dec06 - Mar07 Completed (Oil) 3.25% Woodside Mauritania
Aigrette-1 Mauritania PSC Block 7 Exp Oct-Dec P&A (Oil shows) 4.95% Woodside Mauritania
Enoch Dev. Drilling UK North Sea Block 16/13a Dev Aug-Sep Completed (Oil & Gas) 12% Talisman
Flamant-1 Mauritania PSC Block 8 Exp Aug-Oct P&A (Dry) 2% Woodside Mauritania
C&D Dev Drilling China, Zhao Dong Block Dev Aug-Sep Completed (Oil) 24.5% ROC
Moondah-1 Australia TP/15 Exp Jul P&A (Dry) 20% ROC
Colin-1 Mauritania PSC A Exp Jul-Aug P&A (Dry) 4.155% Woodside Mauritania
Wei-6-12S-1Sb China Beibu Block 22-12 App Jul-Aug P&A (Oil / Gas) 40% ROC
Wei-6-12S-1Sa China Beibu Block 22-12 App Jun-Jul P&A (Oil / Gas) 40% ROC
Blane Dev. Drilling UK North Sea
Block 30/3a (Upper)
Dev May-Oct Completed (Oil) 12.5% Talisman
Wei-6-12S-1 China
Beibu Block 22-12
Exp Apr-Jun Oil / Gas Discovery 40% ROC
Willows -1 UK
PEDL030
Exp Apr-May P&A (Gas shows) 100% ROC
Jacala -1 Australia
WA-351-P
Exp Mar-Apr P&A (Dry) 20% BHP Billiton
Cliff Head
Dev. Drilling
Australia
WA-31-L
Dev Dec05 - Jul06 Producing 37.5% ROC
Dore -1 Mauritania PSC B Exp Jan P&A (Dry) 3.693% Woodside Mauritania

2005 Drilling Activity

ROC's 2005 drilling programme included eight exploration and two appraisal wells, all targeting oil in either offshore Western Australia or offshore Mauritania. Drilling and completion of Chinguetti development wells was completed in September 2005. Cliff Head development drilling commenced in December 2005.

The following table summarises ROC's 2005 drilling activity:

Well Name Country-Permit Type(*) Drilling Date Result Equity Operator
Zoule 1 Mauritania PSC C (Block 6) Exp Dec P&A (Dry) 5.0% Woodside Mauritania
Cliff Head
Dev. Drilling
Australia WA-31-L Dev Commenced 26 Dec
37.5% ROC
Faucon 1 Mauritania PSC Block 1 Exp Nov P&A (Gas & Oil? shows) 2.0% Dana Petroleum
Labeidna 1 Mauritania PSC B Exp Nov P&A
(Oil shows)
3.693% Woodside Mauritania
Flying Foam 1 Australia WA-327-P Exp Nov P&A
(Oil shows)
37.5% ROC
Tevet 2 ST Mauritania PSC B Exp Oct P&A
(Oil)
3.693% Woodside Mauritania
Tevet 2 Mauritania PSC B App Sep P&A
(Gas/Oil)
3.693% Woodside Mauritania
Espadon 1/1A Mauritania PSC B Exp Aug P&A
(Dry)
3.693% Woodside Mauritania
Jingemia
Dev. Drilling

Australia    L-14

Dev Aug-Sep Completed
(Oil)
0.25% Origin Energy
Sotto 1/ST1 Mauritania
PSC A
Exp Aug P&A
(Dry)
4.155% Woodside Mauritania
Hadda 1 Australia WA-325-P Exp Mar P&A
(Oil shows)
37.5% ROC
Cliff Head 6 Australia WA-286-P Dev Feb C&S
(Oil)
37.5% ROC
Cliff Head 5 Australia WA-286-P App Feb P&A 37.5% ROC
Chinguetti
Dev. Drilling
Mauritania PSC B Dev Jan-May Completed
(Oil)
3.25% Woodside Mauritania

* Dev = Development, Exp=Exploration, App=Appraisal