TIDMPCI

RNS Number : 1153U

Petroceltic International PLC

05 April 2016

Dublin

5 April 2016

Petroceltic International Plc

Algeria Operational Update

Successful first Ain Tsila Development Well

Petroceltic International plc (AIM: PCI) ("Petroceltic" or the "Company"), the oil and gas exploration, development and production company focused on North Africa, the Mediterranean and Black Sea regions, issues an operational update on development drilling on the Ain Tsila gas and condensate field in Algeria.

Development well AT-10, the first well of the Ain Tsila development drilling campaign, is located in the north of the field approximately 3.4 km from the field discovery well AT-1, and 2.0 km from the appraisal well AT-8. AT-10 is the first of up to 24 new development wells on Ain Tsila expected to be required to establish and maintain the currently approved annual average wet gas plateau rate of 355 MMscfpd.

The well began drilling on 21 February 2016 and on 31 March 2016 it reached a total depth of 2005m MD, with a planned 61m penetration of a fully gas and condensate bearing Ordovician formation. Wireline logging results from the well indicate that reservoir quality is in line with the pre-drill prognosis, with an expected initial off-take rate comparable to AT-1 and AT-8 wells, each of which delivered flow rates in excess of 30 MMscfpd on test. Well test results will be confirmed later in 2016 when planned batch completion, stimulation and testing activities are undertaken.

The Sinopec Rig is now moving to the AT-13 development well, located in the north of the field approximately 1.8 km from the appraisal well AT-8, and 6.1 km from the appraisal well AT-1. AT-13 is targeting the Ordovician reservoir and will be drilled as a vertical well to a planned total depth of 2004m MD.

Petroceltic holds a 38.25% interest, Sonatrach a 43.375% interest, and Enel an 18.375% interest in the Isarene PSC. Petroceltic continues to benefit from a carry of its development costs in respect of Ain Tsila following the completion of the sale of an 18.375% interest to Sonatrach in July 2014.

Commenting on the update, Brian O'Cathain, CEO of Petroceltic said:

"We are delighted that AT-10 result confirms the success of earlier wells in the highly productive northern part of the field. The Sinopec Rig performed above expectations on its first well and we have a number of improvement initiatives planned to reduce future well costs, mitigate development risks on Ain Tsila and maintain momentum towards first gas. We anticipate further operational updates and enhancements to the development plan in the near future."

Ends

For further information, please contact:

   Brian O' Cathain /Tom Hickey, Petroceltic International        Tel: +353 (1) 421 8300 
   James Henderson / Rollo Crichton-Stuart, Bell Pottinger      Tel: +44 (20) 3772 2500 
   Douglas Keatinge / Joe Heron, Murray Consultants              Tel: +353 (1) 498 0300 
   John Frain / Roland French, Davy                                          Tel: +353 (1) 679 6363

The Directors of Petroceltic International plc accept responsibility for the information contained in this announcement. To the best of their knowledge and belief (having taken all reasonable care to ensure that such is the case), the information contained in this announcement is in accordance with the facts and does not omit anything likely to affect the import of such information.

John Naismith, Head of Technical, Petroceltic International plc, and the qualified person as defined in the AIM Note for Mining and Oil and Gas Companies June 2009, has reviewed and approved the technical information contained in this announcement. John holds an MSc in Petroleum Reservoir Engineering from Imperial College London. He has 27 years' experience in the oil and gas industry gained with Shell, Enterprise Oil, Canadian Natural Resources and Petroceltic. His experience includes reservoir engineering, integrated subsurface studies, asset management, commercial and operations.

Notes to Editors:

Petroceltic International plc is a leading Upstream Oil and Gas Exploration and Production Company, focused on North Africa, the Mediterranean and Black Sea regions, and listed on the London Stock Exchange's AIM Market and the Irish Stock Exchange's ESM Market. The Company has production, exploration and development assets in Algeria, Egypt, Bulgaria and Italy.

GLOSSARY

EPC: Engineering, Procurement and Construction

MD: Measured depth

MMscfpd: Million standard cubic feet per day

This information is provided by RNS

The company news service from the London Stock Exchange

END

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