| BLOCK NAME | TYPE OF LICENCE | PARTIES | DATE OF APPLICATION | ACREAGE | EFFECTIVE DATE |
| Balata East Shallow Horizons (Petrotrin F) | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited | 10th January, 2005 | 513 hectares | 10th October, 2006 |
| Central Block | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited And BG Trinidad Central Block Limited | No date found on licence from Legal Library and Licence is not on the file from Registry | 11, 104 hectares | 18th September, 2006 |
| Columbus Basin DE200101923260D001 DE200101923381D001 DE200101923402D001 DE200101923523D001 DE200101923644D001 DE200101923765D001 DE200101923886D001 DE200101923907D001 DE200101924039D001 DE200101924150D001 | BP Trinidad and Tobago LLC | On or around 2001 | |||
| Columbus Basin Shallow (Teak, Samaan, Poui) Teak Field – 12 E&P Licences Samaan Field – 13 E&P Licences Poui Field – 56 E&P Licences | Exploration and Production (Public Petroleum Rights) Licence | Repsol E&P T&T Limited National Gas Company of Trinidad and Tobago Limited Petroleum Company of Trinindad and Tobago | On or around 2001 | ||
| Cory Moruga Block | Exploration and Production (Public Petroleum Rights) Licence | Primera Oil and Gas Limited Parex Resources (Trinidad) Ltd. Primera Energy Resources Limited | 4,790 hectares | 29th August, 2007 | |
| Cruse Horizons (Petrotrin A) | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited | 10th January, 2005 | 17,889 hectares | 10th October, 2006 |
| East Brighton Area, Offshore Now East Brighton Block | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited & SOOGL Antilles (Trinidad) Ltd. & Primera East Brighton Limited | 1st July, 1952 4th May, 2011 | 8332 hectares | 22nd December, 2014 |
| Fyzabad Block DE201002130544 | Exploration and Production (Public Petroleum Rights) Licence | Primera Oil and Gas Limited | 38 hectares | 20th August, 2007 | |
| Galeota Area | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited And Bayfield Energy (Galeota) Limited | 11th December, 2007 | 12,300 hectares | 21st April, 2009 |
| Guapo Bay/Brighton Marine Block Trinidad (Offshore) (Block B) | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited And Venture Production (Trinidad) Limited | No date found on Licence from Legal Library | 6,450 hectares | 7th October, 1999 |
| Guapo Offshore | |||||
| Guapo-Oropouche-Brighton Horizons (Petrotrin D) | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited | 10th January, 2005 | 12,119 hectares | 10th October, 2006 |
| Herrera Horizons (Petrotrin C) | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited | 10th January, 2005 | 30,665 hectares | 10th October, 2006 |
| Icacos Field 11 Private Mining Leases | Exploration and Production (Private Petroleum Rights) Licence | Primera Oil & Gas Limited Party to Private Mining Leases (Fiscal Year 2010/2011) | 790 hectares | ||
| Mayaro-Guayaguayare Block | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited and Niko Ltd. Now Petroleum Company of Trinidad and Tobago Limited and Voyager Energy (Trinidad) Limited | No date found on Licence from legal Library and Licence not on file from Registry | 22,272 hectares | 27th July, 2007 |
| Mayaro-Guayaguayare Horizons (Petrotrin B) | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited | 10th January, 2005 | 4,886 hectares | 10th October, 2006 |
| Mora Field (Block 44/57) No. 13189/95 | Exploration and Production (Public Petroleum Rights) Licence | Mora Oil Ventures Limited off the East Coast of Trinidad | 22nd september, 1994 | 2036.88 hectares | 30th December, 1994 |
| Moruga North | Advance Oil Company (Trinidad) Limited | 24th January, 1995 | |||
| Moruga West Block (Renewal) No. 25951 of 1999 No. 25952 of 1999 | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited and Neal & Massy Energy Resources Limited | 26th October, 1999 | ||
| Ortoire Block (Onshore) | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited & Primera Oil and Gas Limited | 31st October, 2013 | 18,102 hectares | 31st October, 2014 |
| Palo Seco Block DE201002130423 | Exploration and Production (Public Petroleum Rights) Licence | Primera Oil and Gas Limited | No date found on Licence from Legal Library | 202 hectares | 20th August, 2007 |
| Parrylands Deed of Assignment (Supplement to Head Licence dated 22nd September, 1954 and registered as No. 11662 of 1954) | Petroleum Company of Trinidad and Tobago Limited and New Horizon Exploration Trinidad and Tobago Limited | 1st August, 2000 | |||
| Pt. Liguore Block | |||||
| Point Ligoure, Guapo Bay, Brighton Marine Licence | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited And Ten North Operating Company Limited | No date found on Licence from Legal Library | 6,390 hectares | 18th December, 2012 |
| Rio Claro Block (Onshore) | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited and Lease Operators Limited | 31st October, 2013 | 30,333 hectares | 31st October, 2014 |
| South East Coast Consortium (SECC) – Blocks 1,2,3 Deed of Assignment (Supplemental to Head Licence dated 28th December, 1973 and registered as No. 4434 of 1978) | Exploration and Production (Public Petroleum Rights) Licence | Shell Trinidad Limited and Texaco Trinidad Limited and Trinidad-Tesoro Petroleum Company Limited Now EOG Resources Trinidad Limited and Petroleum Company of Trinidad and Tobago Limited and National Gas Company of Trinidad and Tobago Limited | 187,400 acres | 28th December 1973 | |
| South East Coast Consortium (SECC) – Pelican Field Renewal Licence (Supplemental to Head Licence dated 28th December, 1973 and registered as No. 4434 of 1978 | Exploration and Production (Public Petroleum Rights) Licence | Trintopec and The National Gas Company of Trinidad and Tobago Limited Now Trinidad and Tobago Marine Petroleum Company Limited and EOG Resources Trinidad Limited | 5,903 hectares | 17th March, 1989 | |
| Southwest Peninsula Block – Erin Bay | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited And Trinidad Exploration and Development Company Unlimited | No date found on Licence from Legal Library | 3,720 hectares | 24th May, 2007 |
| Southwest Peninsula Block – Islote Bay | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited And Trinidad Exploration and Development Company Unlimited | No date found on Licence from Legal Library | 1,205 hectares | 24th May, 2007 |
| Southwest Peninsula Block – Onshore | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited And Trinidad Exploration and Development Company Unlimited | No date found on Licence from Legal Library | 12,323 hectares | 24th May, 2007 |
| Southwest Peninsula Onshore Trinidad | Exploration and Production (Private Petroleum Rights) Licence | Trinidad Exploration and Development Limited Now Petroleum Company of Trinidad and Tobago Limited and Beach Oilfield Limited | 7th June, 1993 | 1,338 hectares | 16th February, 1996 |
| St. Mary’s Block (Onshore) | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited and Range Resources Trinidad Limited | 31st October, 2013 | 15,281 hectares | 31st October, 2014 |
| Tabaquite (Petrotrin E) Oil Mining Licences: No. 10588 of 1954 No. 10241 of 1956 No. 10242 of 1956 No. 10243 of 1956 No. 10509 of 1957 No. 1277 of 1964 | Party to Oil Mining Lease (Fiscal Year 2010/2011) Petroleum Company of Trinidad and Tobago Limited | ||||
| Trinidad North Marine | |||||
| Trinidad Northern Areas | Exploration and Production (Public Petroleum Rights) Licence | Petroleum Company of Trinidad and Tobago Limited | 7th July, 2007 | 76,873 hectares | 31st December, 2012 |