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Rockhopper Exp plc (RKH)

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Tuesday 02 November, 2010

Rockhopper Exp plc

Drilling Update - Rachel well

RNS Number : 4327V
Rockhopper Exploration plc
02 November 2010
 

Embargoed: 0700hrs, 2 November 2010

 

Rockhopper Exploration plc

 

("Rockhopper" or the "Company")

 

Rachel well - UPDATE

 

Rockhopper Exploration plc (AIM: RKH), the North Falkland Basin oil and gas exploration company, notes the following announcement from Desire Petroleum plc (the "Operator") regarding the 14/15-1Z sidetrack well on the Rachel prospect (Rockhopper: 7.5% working interest):

 

Clean out of the sidetrack has not proved possible due to mechanical failure of the wellbore and it will therefore not be possible to obtain any wireline logging data from this well.  However, the data acquired during drilling operations (from logging while drilling tools and geological data from cuttings) indicates that around 25 metres of sand with oil shows was encountered.  However, in the absence of wireline logging data it is not possible to fully assess the significance of these results and, in particular, reservoir properties and the hydrocarbon saturations associated with these sands cannot be confirmed.

 

The current well will be plugged and abandoned prior to moving the drilling rig to a new location on the Rachel prospect.

 

The data collected from both the Rachel main bore and sidetrack will allow the selection of an optimum location to drill a vertical well to further evaluate the potential of the Rachel prospect and undertake a comprehensive logging programme. Undertaking the logging programme in a vertical well should avoid the geomechanical problems encountered in the sidetrack which were shown to be a consequence of drilling a deviated wellbore in an area where very little regional stress data is currently available.

 

This proposed move to another location on the Rachel prospect is subject to obtaining all necessary regulatory and partner approvals in a short time frame.

 

Enquiries:

 

Rockhopper Exploration plc

Sam Moody - Chief Executive

Tel. +44 (0)20 7920 2340 (via M: Communications)

 

M: Communications

Patrick d'Ancona or Ben Simons

Tel. +44 (0)20 7920 2340

 

Canaccord Genuity Limited

Charles Berkeley / Henry Fitzgerald-O'Connor

Tel. +44 (0) 20 7050 6500

 

Notes to Editors

 

Rockhopper was established in February 2004 with a strategy to invest in and carry out an offshore oil exploration programme to the north of the Falkland Islands. The Company floated on AIM in August 2005 and holds a 100 per cent. interest in four offshore production licences: PL023, PL024, PL032 and PL033 which cover approximately 3,800 sq. km. Rockhopper has also farmed in (7.5% working interest) to licences PL003 and PL004, which are operated by Desire Petroleum. These licences have been granted by the Falkland Islands government.

 

An extensive work programme has been carried out over a number of years on the licences operated by Rockhopper. This has included 2D and 3D Seismic and Controlled Source Electromagnetic Mapping (CSEM). In February 2010, the Ocean Guardian drilling rig arrived in Falkland waters to carry out a multi-well drilling campaign. Rockhopper drilled an exploration well on its Sea Lion prospect during April and May 2010, the result of which was the first oil discovery and Contingent Oil Resource in the North Falkland Basin. The Sea Lion discovery was successfully tested during September 2010 and was the first oil to flow to surface in Falkland Islands waters. Rockhopper has contracted seismic vessels MV Polarcus Asima and Nadia to carry out a 3D seismic survey, beginning December 2010, over areas of licences PL024, PL032 and PL033 which were not previously defined by 3D, as well as adjacent areas.

 

Rockhopper Exploration plc www.rockhopperexploration.co.uk

 

 

 

 

 


This information is provided by RNS
The company news service from the London Stock Exchange
 
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