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Cooper Energy regenerates shut-in well onshore Indonesia

06th August 2014

Cooper Energy has reported that the Tangai-3 work-over operation in the Sukananti KSO (Kerjasama Operasi – a technical assistance contract) in South Sumatra, Indonesia, has been successful in restoring production to the well, which had been shut in by the field’s previous operator in 1997

Cooper Energy regenerates shut-in well offshore Indonesia
Well testing is continuing and it is expected that it will be connected by a 500 metre flow-line to the existing early production facility at Tangai-1 to enable production to continue

Tangai-3 has produced on free flow at rates of 77-126 barrels of oil per day (bopd) since the work-over for five consecutive days through a 15/64” choke, with an 80-85 per cent water cut.

Well testing is continuing and it is expected that it will be connected by a 500 metre flow-line to the existing early production facility at Tangai-1 to enable production to continue. In the meantime, production will continue via truck transportation. Plans are in place to add artificial lift which has the potential to increase production from Tangai-3 to 150-200 bopd.

Any reserves addition will be assessed once further production data has been acquired.

The successful work-over is the third Cooper Energy has conducted since being awarded the KSO in 2010. The previous operations recommenced production from Bunian-1 and Tangai-1.

“The workover results are another pleasing outcome for our program in Indonesia” said David Maxwell, Cooper Energy managing director. “Through a relatively low risk, capital-light approach we have been able to lift production to 380 bopd through a process of analysis, gaining a fresh understanding of the fields and the application of basic operations and technology.”

“The success of the programme is evident in the Indonesian production results. We have identified further opportunities, which we are planning to address in the current financial year.”

The company recently announced production of 55,000 barrels of oil from Indonesia for the 12 months to 30 June 2014, more than double the previous corresponding figure of 25,000 barrels of oil.

“We are expecting further growth in our Indonesia production through the contribution anticipated from Tangai-3, with further upside potential from opportunities we have identified for drilling.”

A drilling campaign consisting of 2 firm wells (Bunian-3 and Tangai-5) is scheduled to commence later in 2014, with the possibility of a third well (Bunian-4) contingent on outcomes.

Cooper Energy is the operator of the Sukananti KSO with a 55 per cent interest. The balance is held by Mega Adhyaksa Pratama Sukananti Ltd, an affiliate of Foster Oil & Energy, a privately owned Indonesian company which participates and operates in several oil and gas blocks.

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