HOEC is the first company out of the 31 that signed contracts for the fields won in the auction in March, to have submitted a field development plan (FDP).
"We have submitted to the Directorate General of Hydrocarbon (DGH) an FDP for B-80 block that envisages production of 5,000 barrels of oil and 15 million standard cubic feet per day of gas by 2020-21," HOEC CEO P Elango told PTI.
Elango said the plan envisages drilling two new offshore wells and installing a Mobile Offshore Process Unit (MOPU).
The processed oil and gas will be transported by connecting to nearby oil and gas pipelines of ONGC for delivery to customers at an estimated capital investment of about USD 43 million over 30 months, he said.
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"For HOEC, this foray into iconic Mumbai offshore area on the west coast will open up an exciting new phase and will build on its experience to enhance our core competence as a low cost and fast-track developer of oil and gas fields," he said.
HOEC sells 10 million standard cubic feet per day (mmscfd) of gas from the Dirok field in Tinsukia district of Assam to Brahmaputra Cracker and Polymer Ltd. The output is planned to be raised to 36 mmscfd or 1 million standard cubic metres per day by April 2018, he said.
Production from Dirok will be over 12 per cent of total gas production in Assam. About 8 mmscmd of gas is produced in Assam currently.
Also, it is working on reviving production from PY-1 oilfield in Tamil Nadu by drilling two wells that would raise the output to 10 mmscfd, from 2.5 mmscfd, he added.