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The Dhurnal Oilfield was discovered in 1984 and is one of the largest oil field discovered to-date in Pakistan. It is located 60 kms south west of Islamabad, in the Attock District in North Potwar region. OPL, with 70%working interest, is successfully operating the Dhurnal Mining Lease along with its Joint Venture Partners: Oil and Gas Development Company Limited, Pakistan Oilfields Limited and Attock Oil Company since 1982. In order to ensure enhanced and stabilized production and efficient water disposal, an environment friendly water injection secondary recovery project was implemented at Dhurnal, which was the first ever-secondary recovery project in Pakistan. To date production from the field has been 50.384 million barrels of Oil, 130.458 BCF of Gas and 393,277 metric tons of LPG. In 2009 OPL acquired 104 Sq Km of 3D Seismic data. OPLís Technical Team is re-evaluating the undrained remaining potential of the field and to exploit this EOR and IOR technologies are being considered to improve the production and oil recovery.

Discovered in 1989, the Bhangali Oilfield in the Soan Block is located in Gujar Khan, Rawalpindi in the prolific Potwar Oil Basin. Oil production started in October 1989 whereas the sales started in August 1990. It is being operated under a joint venture partnership of OPL, Oil and Gas Development Company Limited, Pakistan Oilfields Limited and Attock Oil Company since 1988. In 2011, OPL acquired 119.07 Sq Km of 3D seismic to define a new drillable location to test the remaining potential of the field. After the interpretation of the new 3-D seismic data location of an additional development well Bhangali-3 was finalized. The well has been spud on February 1st 2014 at the apex of the structure targeting the production from Eocene carbonates. To date cumulative production from the field has been 3.75 million barrels of Oil, 9.25 BCF of Gas and 1,611 metric tons of LPG. OPL has a 40% Working Interest in the field.

Since 1991 Ratana field is operated by OPL with Oil and Gas Development Company Limited, Pakistan Oilfields Limited and Attock Oil Company as Joint Venture Partners. Ratana Oilfield is located at Pindigheb/Jand, Attock. Discovery was made in the Ratana Concession in 1992 whilst production started in July 1993. Ratana-3, well is the world's deepest horizontal completion. In 2008 OPL identified a new deeper potential, in the top part of Datta Formation of the Jurassic age by deepening Ratana -2 well, the well continues to produce gas and condensate since 2009. In 2011, an Amine plant to process additional gas was installed at Ratana Field. In 2012 another initiative was taken to explore further deeper potential of the field by deepening of Ratana-4 well up to Permian aged Wargal Formation that proved a significant potential. This reservoir tested more than 20 MMCF gas per day. This new discovery has opened a new chapter in the success history of the field. OPL team is re-evaluating the potential of the entire field with the new ideas including the deeper proven potential in all the compartments of the field. In third quarter, 2013 a new reservoir horizon of Jurassic Lower Datta was tested with positive results and the well was completed in this zone. Current production from this well is 450 BBLs of oil per day and 6.5MMSCFD of gas. To date, cumulative production from Ratana field has been 2.3 million barrels of Condensate, 53.39 Bcf of Gas and 22,000 metric tons of LPG. OPL has 65.91% Working Interest in the field.


Marwat E.L. is located in district D. I. Khan, Tank and Laki, NWFP Province. It lies in the prolific Bannu/Kohat Basin. The E.L. was awarded to OPL and Zaver Petroleum Corporation Limited on January 1, 2007 for an initial period of 5 years. Recently, a license extension of eighteen months has been granted by the Government of Pakistan in order to continue the exploration work in security sensitive areas of the Block. Geological and geophysical work is ongoing and new 2D seismic program is planned to be acquired during 2014-15. The recent geophysical evaluation of the available seismic data through new concepts has shown significant exploration potential in the Block that is planned to be targeted using latest technologies. OPL, as Operator has 85% whereas ZPCL holds 15% working interest in Marwat block.

Sakhi Sarwar Block is located in District D.G. Khan and Rajanpur, Punjab Province. OPL has acquired 151.7 kms of 2D seismic. The Block is considered one of the prime Exploration Blocks in the Country. OPL team is re-visiting the overall potential of the Block through reevaluating the existing data. OPL is Operator and has 40% Working Interest in Sakhi Sarwar Block.

Harnai South Block is located 50 Km southeast of Quetta City, and adjacent to Tullowís Block-28 in Baluchistan. Zarghun South and Ziarat discoveries of Mari Gas are approximately 15 Km northwest and 27 Km north of the Block, respectively. Harnai South Block is in the southwestern part of Sulaiman Range. Geological and geophysical work is ongoing in this Block and the surrounding drilling results suggest a model where complete stratigraphic package is involved in structuring. About six east-west trending anticlinal structures ranging from 9 to 45 km in length exist on surface. Zarghun south oil and gas discoveries in the Dunghan and Chiltan are only 13 km north-west of this block. In 1985-1990, 13 shallow surface holes had produced about 80,000 Bbls of oil from the Dunghan (Paleocene) from Khattan oil seep in the adjacent Block-28 to the east. OPL has 80% working interest in the Block.


OPL is a joint venture partner in Sinjhoro concession. Ten discoveries have been made in Sinjhoro out of the seventeen exploratory wells drilled in the area by Oil and Gas Development Company Limited as operator. Development work of phase-I of Sinjhoro field has been completed whereas completion of phase-II is at an advance stage.3D seismic data has been acquired recently and based upon the interpretation of the new data several new leads have been identified in the Block. One exploration well is planned to be drilled in early 2014. Currently an average daily production of 900 BOPD with 10 MMSCF/D Gas from only three discoveries is contributing to the system which will be enhanced by tying-in the remaining discoveries to the processing plant after completion of phase-II in mid-2014.

Pakistanís National Oil Company - OGDCL is Operator of Sinjhoro block. OPL has 19% pre-commerciality and 15% development phase working Interest in this Block.

Mehar Block located in Sindh was discovered by Petronas Carigali of Malaysia in 2003 through the successful results of Mehar -1 well. Subsequently Mehar-2 and Mehar-3 wells were drilled as appraisal and development wells respectively. Mehar Development & Production Lease has been granted and the field has been put on stream since November 2013 with alternate planned production from three producer wells to ascertain individual well performance. Average production from Mehar-1 during December 2013-January 2014 was 1400 BCPD and 14 MMSCFD of gas while Mehar -2 is producing 3000 BCPD and 27 MMSCFD of gas.

In 2013 another discovery was made at Sofiya- 2 well where oil and gas was tested at the rate of 17.79 MMSCFD of gas and 1526 BCPD from Ranikot sands of Paleocene age. The well is expected to be put on production in 2014. A 3D seismic campaign is being launched for the appraisal and development of Sofia discovery in the same year. The parallel exploration activities are continuing in the northern part of the block on Mitto lead by acquiring 2D seismic data.

OPL has pre-commercial working interest of 15% and post commercial working interest of 11.84%.

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