Oil Discovery - UK North Sea 211/22a-10 Kerloch well
21 Dezember 2007 - 8:00AM
UK Regulatory
21 December 2007
Granby Oil and Gas plc
("Granby" or "the Company" or "the Group")
UK North Sea 211/22a-10 Kerloch Oil Discovery
Granby is pleased to announce the discovery of oil at the Kerloch structure in Block 211/22a NW in
the UK Northern North Sea. The Kerloch well, 211/22a-10, was drilled to a total depth (TD) of
12,282 feet and encountered a full Brent reservoir sequence, as predicted prior to drilling. The
top of the Brent sandstone section came in approximately 60 feet high to prognosis. The majority
of the Brent sequence was successfully cored, and extensive electric wireline logging operations
are now ongoing and nearing completion.
The well has discovered an oil column of some 116 feet in the Ness Formation and a number of oil
samples have been taken. The crude oil gravity is around 32 degrees API with a gas-oil ratio in
line with other discoveries in the area. The Kerloch well was designed as a slim-hole finder well
with a long open hole section being drilled to TD. Given the successful gathering of comprehensive
data, including cores, wireline logs, reservoir pressure measurements and fluid samples, the joint-
venture group has decided not to carry out a drill stem test in this well as this would add
significant cost and technical risk. There has been a considerable number of tests of the Brent
sands in neighbouring wells in the area, including the 2006 East Causeway well which flowed from
the Ness Formation in the block immediately adjacent to Kerloch at stabilised rates of up to 7,500
barrels of oil per day. A resource update will be issued once the relevant analysis is complete.
The Kerloch well will now be suspended to allow potential re-entry and future use as a development
well. Granby holds a 10% interest in the Kerloch oil discovery and throughout Block 211/22a NW,
which already contains an earlier oil discovery.
The assignment of the 10% interest to Granby is subject to approval of the Secretary of State for
the Department of Business, Enterprise and Regulatory Reform (DBERR) to the assignment of Licence
interests to Granby.
David Grassick, Managing Director of Granby Oil and Gas, said:
"We are delighted with this result following our recent farm in to the Kerloch block, and we are
looking forward to a busy year ahead in 2008 with rig slots already booked for three wells
including the Monkwell appraisal well."
Bob Moore, Commercial Director of Granby Oil & Gas, said:
"Following the recent sale of Galoc, Granby is delighted to have recycled some of the funds
received into a successful North Sea well."
Enquiries:
Granby Oil and Gas plc 020 7648 4950 or
0845 2577537
David Grassick, Managing Director 07785 921080
Nigel Burton, Finance Director 077 8523 4447
www.granbyoil.com
KBC Peel Hunt (Nominated Adviser) 020 7418 8900
Jonathan Marren / Matt Goode
College Hill 020 7457 2020
Nick Elwes / Paddy Blewer
Notes to Editors
Overview of the Business
Granby Oil and Gas plc (LSE symbol GOIL) is building a significant oil and gas exploration,
development and production portfolio in carefully selected areas of the North Sea and elsewhere
through technical and commercial innovation.
Granby's Portfolio and Plans
In additional to the Kerloch discovery, Granby's current activity includes:
* 54% interest in the Granby operated Tristan North West gas development in block 49/29b in
the UK Southern North Sea, which commenced drilling on 27 November 2007
* 10% interest in the Egdon operated Burton Agnes-1 exploration well onshore in Yorkshire
which commenced drilling on 15 November 2007.
Granby has a 20% interest in the Monkwell gas field in UKCS Licence P.001, Block 42/29a. The
field was discovered in 1989 by well 42/29-6, which produced gas at a rate of 26.8mmscfd from the
Lower Leman Sandstone. The field was appraised by two further wells which also tested gas. A new
well is planned for 2008 to further appraise the field and to enable a development decision to be
made.
Granby's current exploration acreage comprises interests in a portfolio of offshore licences in
the North Sea, containing multiple prospects generated by the Company. Granby also has a 50%
working interest in two blocks, one of which contains discovered oil and gas, located in the gas
prolific Northern Rotliegendes sub-basin onshore Poland.
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