NZO
08/04/2015 08:43
MINE
PRICE SENSITIVE
REL: 0843 HRS New Zealand Oil and Gas Limited
MINE: NZO: Production begins at Pateke-4H well
The subsea tie-back and installation project to connect the Pateke-4H well to
the Tui area oil fields in PMP 38158 has been successfully completed and oil
production has commenced, the operator has advised.
The Pateke-4H well has been brought onto production and flow testing is under
way to determine the optimal well settings. The well recorded an initial
unstabilised flow rate of 34,000 bopd at 67 per cent choke with a 48 per cent
water cut, which is in line with field modelling.
Looking ahead, it is planned to test various facility parameters, including
choke settings, before establishing a much lower stabilised flow rate for
long-term production. It is forecast that oil production from the well will
then decline relative to the increasing water cut in the well.
The Pateke-4H subsea tie-back and installation project commenced on 5 March
2015. The project involved the installation of 1,312 metres of flexible flow
line, a gas lift umbilical and production manifold, integrated controls and
ancillary equipment in water depths of about 124 metres. All infrastructure
was successfully tested and commissioned prior to starting production.
The tie-back and installation was completed with no safety or environmental
incidents.
The Tui area oil fields and the Floating Production Storage and Offloading
vessel, Umuroa, were shut in for the duration of the tie-back project. During
the shut-in period, a planned program of facility inspections and maintenance
was conducted.
New Zealand Oil & Gas has a 27.5 per cent interest in PMP 38158 via
subsidiaries. The joint venture are AWE Limited (via subsidiaries)
(Operator), 57.50 per cent; and Pan Pacific Petroleum (via subsidiaries), 15
per cent.
John Pagani
External Relations Manager
+64 21 570 872
End CA:00262832 For:NZO Type:MINE Time:2015-04-08 08:43:16
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