Oman's crude and condensate production in May edged up 1.3% to 935,898 b/d, from 924,270 b/d in April, the country's oil and gas ministry said in its monthly oil report.
Oman produced a total 29.013 million barrels of oil and condensate in May, compared with 27.728 million barrels in April. The volume was up from 28.513 million barrels in May 2013.
The country's oil and condensate exports averaged 846,405 b/d in May, up 12% from April.
China remained Oman's biggest customer, receiving 76% of total exports in May, up 8% from April, according to the data.
Oman's crude and condensate production over 2013 averaged 941,949 b/d.
The country's crude and condensate output has rebounded in recent years, with its relative stability and openness to international partnerships helping it to attract large investments in challenging hydrocarbon projects.
In 2007, Oman's output bottomed out at 713,000 b/d, according to a BP Statistical Review of World Energy.