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2022 - Category A
Project Name Asset/Basin/Plant Date of EC Granted
Grant of Environmental Clearance to project activity under EIA Notification 2006 Jorhat Asset 16 Feb 2022
Environmental Clearance for Proposed project for “Drilling of exploratory wells (38 nos.)in the non-forest areas of Cachar district PML block and Pre-NELP Block AA-ONJ/2,Assam” Jorhat Asset 15 March 2022
Onshore Development & Production from 105 wells in 12 nomination PML blocks in Sipahijala, West Tripura and Gomati districts of Tripura and 10 wells and Khubal GCS in NELP PML of North Tripura districts, Tripura

Tripura
30 May 2022

Asset Publisher

2022 - Category B
Project Name Asset/Basin/Plant Date of EC Granted
Drilling of exploratory wells in OALP-VI Block GV-ONHP-2021/1

Bihar
27 May 2022
Environmental Clearances for drilling of exploratory wells in OALP-IV Block VN-ONHP-2019/1 Madhya Pradesh 20 Jan 2022
Environmental Clearances for drilling of exploratory wells in OALP-IV Block VN-ONHP-2019/4 Madhya Pradesh 20 Jan 2022
Environmental Clearance for drilling of exploratory well in OALP-IV Block VN-ONHP-2019/2 Madhya Pradesh
15 Feb 2022

Asset Publisher

2021 - Category A
Project Name Asset/Basin/Plant Date of EC Granted
Environmental Clearance for conversion of 37 exploration wells & laying of Associated Flowlines, involving construction of Well Manifold at Kunjaban & Sundalbari and Pipeline at NorthTripura Tripura Asset 07 June 2021
Environmental Clearance for Drilling of development wells (108 nos. oil and gas wells) in the oil fields of Ahmedabad Asset at Mehsana and Gandhinagar Districts of Gujarat Ahmedabad Asset --

Asset Publisher

2021 - Category B
Project Name Asset/Basin/Plant Date of EC Granted
Environmental Clearance accorded for Drilling of 5 exploratory wells in NELP-VIII Block VN-ONN-2009/3 Frontier Basins 11 Oct 2021
Environment Clearance for Exploration, Development and Production in five onshore PML blocks in AAFB, A&AA Basin, Cachar District and Karimganj District, Assam A&AA Basin 27 Sep 2021
Onshore Development and Production of oil & gas from 53 wells in 7 ML blocks by M/s Oil and Natural Gas Corporation Limited located in Jorhat and Golaghat districts, Assam Jorhat Asset 17 March 2021
Environmental Clearance Certificate for "Drilling and exploratory location TIAG" falling in Tichna PML at Jagatrampur, Kathalia Tehsil, Sonamura Sub-Division, Sepahijala District Agartala 04 Sep 2021
Environmental Clearance Certificate for drilling and exploratory location BMSD falling in Baramura Extn-IV PML at Patni Tehsil, Harbhanga, West Tripura Tripura Asset 08 March 2021
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Asset Publisher

2020
Project Name Asset/Basin/Plant Date of EC Granted
Expansion of onshore oil & gas processing plant by M/s ONGC Ltd. at Uran by establishing Additional Cogeneration Unit GT-IV and Enhanced Reactive Thermal Oxidizer (ERTO) within the existing Uran Plant, located in Uran, Maharashtra Uran Plant 13 Oct 2020
CRZ Clearance for laying of 20-inch gas pipeline of 31 km length from Offshore Platform, in the East Coast passing through the mouth of the Gautami – Godavari River, part of Yanum (2.51 km) U.T. of Puducherry and East Godavari District, Andhra Pradesh Eastern Offshore Asset 15 Oct 2020
Conversion of exploratory well KSAB to Development well located at Kasomarigaon, District Golaghat, Assam Jorhat Asset 08 Dec 2020
Offshore oil/gas development by drilling of four wells by M/s ONGC Ltd. under the NELP V Offshore Block CB-OSN-2003/1 at Aliabet Field, Ankleshwar Asset (Gujarat) Ankleshwar Asset 22 Apr 2020
Exploration in Kangra-Mandi PEL Block in Mandi and Kangra Districts, Himachal Pradesh Frontier Basin 15 Apr 2020

Asset Publisher

2019
Project Name Asset/Basin/Plant Date of EC Granted
Expansion of OGT and CPP at onshore and addition of Process cum Living Quarters Platform bridge connected to Well Head Platform at offshore of Development Operation by M/s Gujarat State Petroleum Corporation Ltd in KG-OSN-2001/3 Offshore Block at Village Mallavaram, Mandal Tallarevu, District Godavari (Andhra Pradesh) HP-HT Asset 30 Jul 2019
Deen Dayal Development project (KG-OSN-2001/3 Block NELP-III) regarding setting up of offshore well Head platform in KG Basin, offshore to onshore sub-sea pipeline, Onshore gas terminal (OGP), Condensate Storage Unit / (CSU) at Mallavaram, Andhra Pradesh with landfall point at Avipolam Hamlet of Yanam in Puducherry HP-HT Asset 13 Nov 2019
Onshore exploration, development and production of oil & gas in 21 onshore PML blocks in Upper Assam North, A & AA Basin at District Sivasagar (Assam) A&AA Basin 06 Dec 2019
Onshore Exploration and development of oil & gas by M/s ONGC Ltd in Assam and Assam Arakan Basin (A&AA Basin) in Districts Cachar and Hailakandi (Assam) A&AA Basin 07 Aug 2019
Onshore development and production of oil and gas from six wells in 5 Mine Lease Blocks in Districts Jorhat and Golaghat (Assam) Jorhat Asset 01 May 2019
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Asset Publisher

2018
Project Name Asset/Basin/Plant Date of EC Granted
Onshore Development and Production of Oil and Gas from 72 wells in two onland PML Blocks (Godavari, West Godavari and Krishna (Andhra Pradesh) Rajahmundry Asset 31 Oct 2018
Development and Production of Gas in Banskandi and Bhubandar Block with Interconnecting pipelines by M/s ONGC Limited at Tehsil Silchar, District Cachar (Assam) Exploratory Asset, Silchar 06 Jul 2018
Onshore Oil and Gas Development and Production from 3 wells by M/s ONGC Ltd at Nagayalanka in the onland NELP-V Block KG-ONN-2003/1 in District Krishna (Andhra Pradesh) Rajahmundry Asset 20 Mar 2018
Shale Oil & Gas Exploration in 11 Blocks by M/s Oil and Natural Gas Corporation Ltd in Cambay Basin in the districts of Mehsana, Gandhinagar, Ahmedabad, Kheda and Bharuch (Gujarat) Western Onshore Basin 20 Mar 2018
Oil and Gas Exploration in 10 ML Blocks of Western Onshore Basin in the Districts of Patan and Mehsana (Gujarat) Western Onshore Basin 20 Mar 2018
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Asset Publisher

2017
Project Name Asset/Basin/Plant Date of EC Granted
Drilling of 6 Exploratory Wells (RBK-1, LBAA, RPAA, RLBK-1, RTDN-1 and RBK-3) in Pre-NELP Block AA-ONJ/2 at Cachar, Assam A&AA Basin 06 Mar 2017
Development drilling of 108 wells laying of 4”and 8”oil and gas flow lines & establishment of 03 numbers of EPS, 01 number of WHI, 03 nos of Water injection facilities and 03 nos. of ETP of M/s ONGC in operation areas of Cambay Sub Asset in Gujarat Cambay Asset (Gujarat) 16 Mar 2017
Proposed 8 no. of exploratory drilling in ML areas of Sivasagar, Assam A&AA Basin 20 Mar 2017
Drilling of Development wells (108 nos.) in oil field of Ahemdabad Asset of ONGC Ltd. at Mehsana and Gandhinagar, Gujarat Ahmedabad Asset 20 Mar 2017
Additional Exploratory Drilling of 15 wells in NELP-1 Offshore Block KG-DWN-98/2, KG Basin, Andhra Pradesh KG Basin 28 Mar 2017
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Asset Publisher

2016
Project Name Asset/Basin/Plant Date of EC Granted
Development Plan of CBM Block (BK-CBM-2001/1 in District Bokaro, Jharkhand by M/s ONGC) CBM Asset 28 Mar 2016
Development Drilling of (406 nos.) of wells (Oil and natural Gas) in oil Field of Ahmedabad Asset at Kheda, Gandhinagar and Ahmedabad District of Gujarat Ahmedabad Asset 22 Mar 2016
Development drilling of 45 wells at Block KG-DWN-98/2, KG offshore, Tehsil Allavaram, District East Godavari, Andhra Pradesh Eastern Offshore Asset 22 Jan 2016
Exploratory Drilling of 22 nos. of Wells in NELP-IX Blocks GEI-ONN 201011, CB-ONN-201 0/6 & CB-ONN-201019 at Banaskantha, Gandhinagar and Ahmedabad District, Gujarat Western Onshore Basin 28 Mar 2016

Asset Publisher

2015
Project Name Asset/Basin/Plant Date of EC Granted
Exploratory Drilling (3 wells) in Bengal Onshore Block WB-ONN-2005/3, West Bengal under NELP-VII MBA Basin 22 Jan 2015
Drilling of one Exploratory Well at MB-OSN-2005/3 (NELP-VII Block), Mumbai Offshore southwest of the Mumbai High-DCS platform Western Offshore Basin 7 Jan 2015
Exploratory Drilling of 4 wells at NELP-VII Block, VN-ONN-2009/3, Son Valley, Vindhyan, Frontier Basin, District Damoh, Madhya Pradesh Frontier Basin 27 Oct 2015
Exploratory Drilling of 10 wells at NELP-VI, Onshore Block CY-ONN-2004/2 in Ariyalur District, Tamil Nadu Cauvery Basin 10 Sep 2015
Development of North Karanpura CBM Block NK-CBM-2001/1 in Jharkhand CBM Asset 12 May 2015
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Asset Publisher

2013
Project Name Asset/Basin/Plant Date of EC Granted
Exploratory Drilling of additional 2 Wells (MDM-H & One additional Well) in On-shore NELP-IV Block CY-ONN-2002/2 of Cauvery Basin, Nagapattinam District, Tamil Nadu Cauvery Basin 12 Mar 2013
Environmental Clearance for Exploratory Drilling in Off-shore of Cauvery Basin(04.09.2012) Cauvery Basin 04 Sep 2012
Environmental Clearance letter for NELP Blocks of FB (26.07.2011) Frontier Basin, Rajasthan 26 Jul 2011
Exploratory Drilling in NELP-VIII (Block: OSN-2009/1, KG-OSN-2009/2 & KG-OSN-2009/4 in KG Offshore in Basin off Andhra Pradesh KG Offshore 26 Feb 2013
Posting Environmental Clearance for exploratory drilling in NELP VIII Block, GK-OSN-2009/1 in Kutch offshore Kutch Offshore 14 Jun 2013
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Asset Publisher

2012
Project Name Asset/Basin/Plant Date of EC Granted
Environmental Clearance for Exploratory Drilling of additional 24 On-land Well in KG Basin(18.05.2012) KG Basin 18 May 2012
Environmental Clearance for drilling of 4 Exploratory wells at Suket #1 of Frontier Basin.(05.09.12) Frontier Basin 5 Sep 2012
Environmental Clearance for exploratory drilling in Offshore KG-Basin in Andhra Pradesh. (050912) KG Basin 5 Sep 2012

Asset Publisher

2011
Project Name Asset/Basin/Plant Date of EC Granted
Environmental Clearance for exploratory well Chechat-1 of Frontier Basins (08.12.2011) Frontier Basins 8 Dec 2011
Environmental Clearance for Clearance w.e.f. 01.01.2010 to March 2011 & Granted by MoEF during 2011-12 Pan-India
Environmental Clearance letter for NELP Blocks of Cauvery Basin (14.01.2011) Cauvery Basin 14 Jan 2011
Environmental Clearance of well Palaita #1 of Frontier Basin (17.12.2011) Frontier Basins 26 Jul 2011

Asset Publisher

2010
Project Name Asset/Basin/Plant Date of EC Granted
Environmental Clearance letter for NELP Blocks of WOB (20.09.2010) WOB 20 Sep 2010

Asset Publisher

Asset Publisher

2009
Project Name Asset/Basin/Plant Date of EC Granted
Environmental Clearance for ONSHORE Development Drilling, Projects and Platforms from ASSETS, OFFSHORE Pipelines, Supply Base and Plants w.e.f. 14.09.2006 up to 31.12.09 Pan-India