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Tullow Oil PLC TLW Twiga South-1 Oil Discovery



  Tullow Oil PLC (TLW) - Twiga South-1 Oil Discovery

RNS Number : 9627R
Tullow Oil PLC
26 November 2012
 



News Release

                                       

                         Twiga South-1 Oil Discovery

26 November 2012 - Tullow  Oil plc (Tullow) announces  that the Twiga  South-1 
exploration well in Block 13T, onshore Kenya, has encountered 30 metres of net
oil pay with further potential to be assessed on test and has also encountered
a tight fractured rock section with hydrocarbon shows over a gross interval of
796 metres.

 

Twiga South-1 has been drilled to a  total depth of 3,250 metres and has  been 
successfully logged and sampled. Three sandstone reservoir zones, analogous to
Ngamia-1, were  encountered and  moveable oil,  with an  API greater  than  30 
degrees, has been recovered to surface. Further potential exists up dip of the
well and will be subsequently appraised.  

 

In addition to the net pay, the well also penetrated a thick section of  tight 
fractured rock below 2,272 metres which had extensive hydrocarbon shows over a
gross interval of 796 metres. Moveable oil with an API greater than 30 degrees
was also successfully  sampled from  this section. This  tight fractured  rock 
section is a new play-type for the region that will require further evaluation
to understand its extent and any productive potential.

 

The Twiga South structure is the second prospect to be tested in the  Lokichar 
Basin as part of a multi-well drilling  campaign in Kenya and Ethiopia and  is 
the first oil discovery in Block 13T. It  is located 22km to the north of  the 
Ngamia-1A discovery and further de-risks a number of other similar features on
the western margin of the basin.

 

A series of flow  tests will now be  conducted on the well  over the next  4-8 
weeks. Following completion of the testing  programme, the rig will move  back 
to flow test the Ngamia-1 well.

 

Elsewhere in  Tullow's East  African Rift  basin acreage,  a result  from  the 
Paipai-1 well in Block 10A in Kenya is expected by the end of the year and the
Sabisa-1 well  in the  South Omo  Block in  Ethiopia is  expected to  commence 
drilling by the end of December.

 

Tullow has a 50% operated interest in  the Twiga South-1 well with Africa  Oil 
holding the remaining 50% interest.

 

Angus McCoss, Exploration Director, commented,

"Following the  basin-opening Ngamia-1  well result  earlier this  year, I  am 
pleased to announce  that our  second well in  our onshore  Kenya rift  basins 
campaign has also discovered oil. This immediate follow on discovery reaffirms
the considerable  prospectivity of  the Lokichar  Basin. Having  significantly 
expanded our plans in Kenya and Ethiopia, there is much to look forward to  as 
the exploration campaign and testing programme move ahead."

 

FOR FURTHER INFORMATION CONTACT:

Tullow Oil plc                    Citigate Dewe Rogerson Murray Consultants
(+44 20 3249 9000)                (+44 207 638 9571)     (+353 1 498 0300)
                                  Martin Jackson         Joe Murray
Chris Perry - Investor Relations
                                  Jack Rich              Ed Micheau
James Arnold - Investor Relations

George Cazenove - Media Relations

 

Notes to Editors

Tullow is a leading independent oil  & gas, exploration and production  group, 
quoted on the London, Irish and Ghanaian (symbol: TLW) stock exchanges and  is 
a constituent of  the FTSE  100 Index.  The Group  has interests  in over  100 
exploration and production licences  across 24 countries  and focuses on  four 
core areas: Africa, Europe, South Asia and South America.

For further information please refer to our website at www.tullowoil.com.

Follow Tullow on:

Twitter: www.twitter.com/TullowOilplc
You Tube: www.youtube.com/TullowOilplc
Facebook: www.facebook.com/TullowOilplc
LinkedIn: www.linkedin.com/company/Tullow-Oil 

 

                     This information is provided by RNS
           The company news service from the London Stock Exchange
 
END
 
 
DRLUNSVRUAAAURA -0- Nov/26/2012 07:00 GMT
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