2022 - Category A
| Project Name | Asset/Basin/Plant | Date of EC Granted | |
|---|---|---|---|
| Grant of Environmental Clearance (EC) to the proposed Project Activity under the provision of EIA Notification 2006 - regarding | Ankleshwar Asset |
13 Apr 2023 |
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| 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 |
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2022 - Category B
| Project Name | Asset/Basin/Plant | Date of EC Granted | |
|---|---|---|---|
| Grant of Environmental Clearance (EC) to the proposed Project Activity under the provision of EIA Notification 2006-regarding | Madhya Pradesh |
13 Oct 2022 |
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| Onshore Additional Exploration drilling of 50 wells in Godavari on-land PML blocks of KG Basin in East and West Godavari Districts of Andhra Pradesh | Andhra Pradesh |
06 Dec 2022 |
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| Exploration drilling of 3 wells in CD-ONHP-2020/1 (OALP-VI) Block of Cuddapah Basin in Kurnool, Avantapur and YSR KADAPA Districts of Andhra Pradesh | Andhra Pradesh |
06 Dec 2022 |
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| Grant of Environmental Clearance (EC) to the proposed Project Activity under the provision of EIA Notification 2006-regarding | Dehradun |
|
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| Drilling of exploratory wells in OALP-VI Block GV-ONHP-2021/1 | Bihar |
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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 | -- |
2021 - Category B
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2020
2019
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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 |
| Exploratory Drilling of 22 Wells (Onshore) in Ramanathapuram PML Block, District Ramanathapuram (Tamil Nadu) | Cauvery Basin | 30 Aug 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 |
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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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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 45 wells at Block KG-DWN-98/2, KG offshore, Tehsil Allavaram, District East Godavari, Andhra Pradesh | Eastern Offshore Asset | 22 Jan 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 |
| 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 |
2015
| Project Name | Asset/Basin/Plant | Date of EC Granted |
|---|---|---|
| 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 (3 wells) in Bengal Onshore Block WB-ONN-2005/3, West Bengal under NELP-VII | MBA Basin | 22 Jan 2015 |
| Development of Vashishta and S-1 fields of K.G. offshore, Eastern Offshore Asset at Kakinada, Andhra Pradesh and expansion of Odalarevu Onshore Terminal, A.P. | Eastern Offshore Asset | 12 Nov 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 |
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2013
| Project Name | Asset/Basin/Plant | Date of EC Granted |
|---|---|---|
| Posting Environmental Clearance for exploratory drilling in NELP VIII Block, GK-OSN-2009/1 in Kutch offshore | Kutch Offshore | 14 Jun 2013 |
| Exploratory drilling (24 additional wells) in onshore PEL Block L-II of Cauvery Basin, District Nagapattinam, Tamil Nadu | Cauvery Basin | 21 Aug 2013 |
| Exploratory Drilling of 3 Wells in Onshore NELP-VII Block PR-ONN-2005/1 of Cauvery Basin, Tamil Nadu | Cauvery Basin | 14 Oct 2013 |
| Environmental Clearance for Exploratory Drilling of 25 wells in KG onland PEL Blocks in AP | KG Onland | 14 Jun 2013 |
| Posting Environmental Clearance for exploratory drilling in NELP VIII Block, GK-OSN-2009/2 in Kutch Offshore | Kutch Offshore | 14 Jun 2013 |
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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 |
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 |
2010
| Project Name | Asset/Basin/Plant | Date of EC Granted |
|---|
2009
| Project Name | Asset/Basin/Plant | Date of EC Granted |
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