Oil and gas

Oil & Natural Gas Corporation proposes development of drilling of 30 wells (on-shore) at Cauvery basin in 7 blocks (on-shore), dist. Nagapattinam, Thiruvarur and Thanjavur, Tamil Nadu. The estimated cost of the project is Rs. 1,200 million. The current status of the project could not be ascertained. According to MoEF sources, the 7 blocks are Greater Narimanam ML Block, Adiyakkamangalam ML Block, Nannilam-I & Nannilam-II ML Block, Kali & Kali # 6 ML Block, Koothanallur ML Block, Greater Kovikalapal ML Block and Pundi ML Block. Drilling period for each well will be 90 to 100 days. Water based mud will be used. Depth of drilling will be 3000 mtrs. Oil storage tank capacity will be 40 cu. Mtrs for each tank. The new wells will be directly connected to the existing installations or to the nearest existing flow line. Maximum length of new line to be laid is 500 mtrs to 2000 mtrs. Expected production of oil is 395 cu. mtrs/day and gas is 0.855 MMSCMD. Total wastewater generation will be around 20 cu. mtrs/day. Produced water will be treated in the two existing ETPs with total capacity of 1900 cu. mtrs/day. Used oil will be sent to authorized recyclers. [Info as of: Feb. `15]

India \ Tamil Nadu