Overseas oil explorer ROC Oil Company Ltd (ASX: ROC) admitted on Monday that its June quarter output showed weaker numbers as compared to the previous production period, though the company remained steadfast that it would reach its production guidance target this year.

ROC said that its oil production in the three months leading to June saw an average of 8,207 barrels of oil equivalent per day (BOEPD), which showed declines of four percent from the output posted on the quarter before.

However, the company reiterated that it is right on path to achieve this year's production guidance of between 8,000 to 9,000 BOEPD, with a solid commitment of year-to-date production to July 18 of 8,545 BOEPD.

ROC said that the company's year-to-date sales revenue of $US100.2 million or $A111.94 million provided it sufficient springboard in jumping to a solid net cash position of $US52.7 million by the quarter's end, enabling the company to push ahead for its proposed accelerated expenditures on development and exploration for the last half of 2010.

The company said that planned exploration and appraisal activity should commence by this year's third quarter and would cover the drilling of the Tuatara-1 exploration well located in New Zealand and another drilling activity in Angola, where its Castanha-2 appraisal well is being initiated.