Page 21: of Offshore Engineer Magazine (Sep/Oct 2013)

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Global Briefs

L Eni discovery off Congo

C

Eni made an oil and gas dis-

G covery on the Nene Marine exploration prospect, in

H the Marine XII block, about 17km off Congo. Eni says two wells were drilled on

O

N

Nene Marine and estimates

I

J it contains about 600 MMbo and 700Bcf of gas in place.

The frst well, Nene

K

Marine 1, was drilled in 24m

P

R water depth and encoun-

Q tered a wet gas and light oil

L

M accumulation in the Lower

S

Cretaceous presalt clastic sequence. Nene Marine 2 was drilled 2km from the discovery well, confrming the hydrocarbons and reser- voir continuity. Production tests on both wells fowed at a commercial rates with 3D data. Data processing resource estimates for Yam blocks from Cairn Energy 37°API oil. Eni said it will will be performed by TGS, Hadera feld, off Israel. and a further 10% in the continue the appraisal with initial data available The best estimate of gross same blocks from FAR.  The phase, while starting studies to clients in 4Q 2013, ahead recoverable, prospective blocks are Rufsque, for commercial exploitation. of the UK 28th Licensing resources is 208MMbo Sangomar, and Sangomar Eni is operator of Marine

Round. (revised upwards from 133 Deep, which cover about XII block with 65% equity.

MMbo) and 3.4Tcf of natural 7490sq km within the Other partners are New Age,

I gas (revised upwards from Mauritania-Senegal-Guinea 25%, and Societé Nationale Circle Oil buys 1.4 Tcf of natural gas). The Bissau basin.  des Pétroles du Congo,

Mahdia license

Irish independent Circle Oil estimates were prepared Cairn has planned a two- with 10%.

announced that its subsid- by Netherland Sewell & well exploration program

M iary, Circle Oil Tunisia Ltd., Associates Ltd., based on a for 1H 2014, to target more Cobalt Energy wells has increased its stake in 3D seismic survey of a 250sq than 1.5 billion bbls of Cobalt International Energy

Mahdia license, offshore km area around the pros- undiscovered resource. is drilling the Mavinga #1

Tunisia to 100%, after pect’s northern closure. Transocean’s semisubmers- pre-salt exploratory well acquiring the remaining Tel Aviv-based Modiin ible Cajun Express will drill with Diamond Offshore’s  30% working interest from Energy wholly owns the the wells. semisubmersible Ocean

Tethys Oil & Mining Inc. rights to the 400sq km Yam FAR said the exploration Confdence in block 21 for US$3 million. Circle Hadera license. The license campaign will test a shelf and the Lontra #1 pre-salt

Tunisia has identifed is about 30km off the Israeli play and a deepwater fan exploratory well on block multiple leads following a coast, between Hadera play, and estimates total 20, using Petroserv’s new- recent 3D seismic survey and Haifa, in 500-1000m prospective resources at build SSV Catarina semi. over the license area. water depths and is directly 3.58 billion bo. Cobalt is operator (40% WI)

The company is high- northwest of Adira Energy’s in both the Mavinga #1 and

Cairn will retain opera- lighting two prospects: Gabriella and Yitzhak the Lontra #1 wells, both torship and 40% inter-

El Medouini and West El license blocks. offshore Angola. est in the blocks during

Medouini, containing an Cobalt is also working the exploration phase.

K estimated 125MMbo and 75 on pre-development activi-

Petrosen, the Senegal ConocoPhillips

MMbo unrisked, most-likely ties for its Cameia feld in

National Oil Co., will retain acquires Senegal blocks reserves, respectively. Circle ConocoPhillips has agreed Angola block 21. Formal its 10% interest in the will need to drill at Mahdia to acquire a 35% stake in project sanction is expected exploration phase, and FAR by July 19, 2014. three contiguous blocks off during 2014, with frst will hold 15%.

Senegal through two deals. If commercial, Conoco- production from Cameia in

J

The company is to acquire Phillips would have the 2017. Cobalt is operator with Yam Hadera estimate

Modiin Energy updated a 25% interest in all three option to become operator. 40% WI.

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