Water injection revives production at Manora offshore Thailand

Offshore staff

WEST PERTH, Australia – Production from the Manora oil field in the northern Gulf of Thailand declined in 4Q 2015, according to partner Tap Oil.

This was due to the MNA-08 and MNA-11 wells being shut-in or producing at low rates during October ahead of an acid stimulation program.

Water injection continued into four wells: MNA-04, MNA-09ST1, MNA-10, and MNA-13. All the reservoirs subjected to injection have since benefited from stabilized reservoir pressure, Tap adds.

Manora, in the G1/48 concession, is operated by Mubadala.

In December, Thailand’s government approved the partners request to retain a 1,698-sq km (655-sq mi) reservation area, with the remaining acreage to be relinquished.

Late in December the Energy Ministry also approved Tap’s exit from the offshore G3/48 concession.

In the Carnarvon basin offshore Western Australia, Tap is a partner to JX Nippon Oil and Gas and operator Quadrant Energy in the WA-320-P and WA-155-P (Part II) exploration permits.

The joint venture is currently reprocessing 310 sq km (119 sq mi) of data acquired from TGS’ recent Huzzas MC3D seismic survey to assess the prospectivity of the permits and to plan for a commitment exploration well that is due to be drilled by 4Q 2016.

Quadrant is looking to test the Palmerston prospect, a Triassic fault block straddling the two permits with structural similarity to the Zola structure. The target is sandstones in the proven Mungaroo formation play.

In the same basin, Tap is also Quadrant’s partner in the shallow-water TL/2 production license and TP/7 exploration 40 km (25 mi) north-northeast of Onslow.

The Taunton oil field discovered in 1991 overlaps the permit boundaries. It was subsequently appraised by four wells that encountered oil in the Birdrong sandstone. Studies on Taunton continue with a view to assessing development.

Tap adds that a program has been approved for abandonment of the Airlie Island storage facility and the Chervil 5 and 6 wells during the first half of 2016. Removal of the Chervil platform could follow in 2017.


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