Jan 3 (Reuters) – Venezuela's state-run oil production and refining were functioning normally on Saturday, with no damage reported from a U.S. operation aimed at capturing the country's president, according to two sources familiar with the energy company PDVSA's situation.

U.S. President Donald Trump announced that U.S. forces captured President Nicolas Maduro after months of pressure regarding allegations of drug trafficking and his contested rule.

However, the port of La Guaira, located near Caracas and one of the largest in the country (though not used for oil exports), reportedly experienced significant damage, according to one of the sources.

In December, Trump declared a blockade on oil tankers entering or leaving Venezuela, leading to the U.S. seizing two shipments of Venezuelan oil.

This blockade reduced the country's oil exports last month to about half of the 950,000 barrels per day (bpd) that were shipped in November, based on monitoring data and internal documents.

As a result of U.S. measures, many vessel owners have been avoiding Venezuelan waters, which has caused a rapid increase in PDVSA's inventory of crude and fuel.

PDVSA has had to slow down deliveries at ports and store oil on tankers to prevent cuts in crude output or refining operations.

Additionally, PDVSA's administrative system has not fully recovered from a cyberattack in December that forced the company to isolate terminals, oil fields, and refineries from its central system, relying on written records to keep operations running.