Ophir Energy: Indonesia and Thailand drilling update
Published by Aimee Knight,
Editorial Assistant
Oilfield Technology,
A drill stem test (DST) taken over an interval between 576 and 605 m (MD) flowed gas at a rate of 11.2 million standard ft3 sustained over 5 hours period through a 64/64” choke and at 525 psig well head pressure. The well was shut in for 9 days for pressure build up before a maximum flow test which produced 13.8 million standard ft3 through a 120/64” choke for 55 minutes.
The well has been plugged and abandoned as a gas discovery and plan of development will now be prepared for submission to the regulator for approval. The Paus Biru discovery lies approximately 27 km east of the producing Oyong Gas field, which is also in the Sampang PSC. The approved budget for Paus Biru-1 well was US$15 million.
Ophir, through its affiliate company, has 45% participating interest and is the operator of the Sampang PSC.
Bualuang Development Drilling
The first part of the Phase 4 development drilling programme has been completed successfully. Four workovers and three new production wells were drilled, all of which have been brought on stream. Production from Bualuang averaged 9600 bpd in November against a year to date average of 8000 bpd.
A step out exploration well to test a small target to the north of the Bualuang field was drilled as part of the drilling campaign but the main T2 reservoir target was not well developed in this location and the well has been abandoned as a dry hole.
The total cost of the drilling campaign was US$25 million versus budget of US$31 million.
Alan Booth, Interim CEO, commented:
“This is a strong endorsement of the assets acquired from Santos earlier this year. Paus Biru is an example of the attractive near field exploration opportunities within the Sampang and Madura PSCs. Such discoveries can be highly valuable as they deliver both fresh production volumes and extend the economic life of the fields already in production.”
Read the article online at: https://www.oilfieldtechnology.com/offshore-and-subsea/07122018/ophir-energy-indonesia-and-thailand-drilling-update/
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