Orca Exploration announces successful completion of the SS-10 well

    TORTOLA, British Virgin Islands, Nov. 6 /CNW/ - Orca Exploration Group
Inc ("Orca Exploration") has successfully completed the drilling of the SS-10
development well on the Songo Songo gas field in Tanzania.
    The well was flowed at a peak rate of 52 mmscf/d, and a sustained rate of
40 mmscfd through a restricted 1" choke at a 1,900 psi wellhead pressure
during a 24 hour test that was restricted by surface facilities. It is
estimated that the well will be able to flow at an initial rate in excess of
55 mmscf/d when on production. This makes SS-10 one of the most productive
wells in the field and increases the total deliverability of the six
production wells to over 200 mmscf/d.
    The well was drilled to a total measured depth of 2,426 meters within the
main Neocomian reservoir. The top reservoir was encountered on prognosis at a
measured depth of 1,909 meters (-1,700m TVDSS) and a comprehensive suite of
wireline logs, the first on the field for over twenty five years, was
successfully acquired. From evaluation of the logs, 101 meters was perforated
in the reservoir.
    The SS-10 well will be required to meet the rapidly increasing demand for
gas by the power and industrial sectors in Tanzania. In the course of the last
12 months, 268 MWs of gas fired generation has been installed in Dar es Salaam
taking the total gas fired generation utilising Additional Gas to 310 MW. A
further 45 MWs is under construction and is expected to start utilising gas
from September 2008. Orca Exploration is currently negotiating a long term
contract to supply gas to these units.

    Orca Exploration Group Inc. is a well-financed, international public 
company engaged in hydrocarbon exploration, development and marketing in
Tanzania and Uganda. Orca's operations are directed from offices in Dar es
Salaam, Tanzania. The Company is focused on increasing shareholder value
through the exploration, development and marketing of Tanzanian natural gas
and the exploration and development of high potential oil interests in
sub-Saharan Africa. Orca Exploration trades on the TSXV under the trading
symbols ORC.B and ORC.A.

    This disclosure contains certain forward-looking estimates that involve
substantial known and unknown risks and uncertainties, certain of which are
beyond Orca Exploration's control, including the impact of general economic
conditions in the areas in which Orca Exploration operates, civil unrest,
industry conditions, changes in laws and regulations including the adoption of
new environmental laws and regulations and changes in how they are interpreted
and enforced, increased competition, the lack of availability of qualified
personnel or management, fluctuations in commodity prices, foreign exchange or
interest rates, stock market volatility and obtaining required approvals of
regulatory authorities. In addition there are risks and uncertainties
associated with oil and gas operations, therefore Orca Exploration's actual
results, performance or achievement could differ materially from those
expressed in, or implied by, these forward-looking estimates and, accordingly,
no assurances can be given that any of the events anticipated by the
forward-looking estimates will transpire or occur, or if any of them do so,
what benefits, including the amounts of proceeds, that Orca Exploration will
derive therefrom.
    The top reservoir was encountered at 1909.5m MD (-1,700m TVDSS) within
prognosis, and a comprehensive suite of wireline logs, the first on the field
for over twenty five years, was successfully acquired.

For further information:

For further information: Nigel A. Friend, CFO, +255 (0)22 2138737,
nfriend@orcaexploration.com or Peter R. Clutterbuck, CEO, +44 (0) 7768 120727,

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