*

Swap deal completed as part of recent deal with Vitol, M&P

*

Other customers received last cargoes ahead of deadline

*

U.S.-authorized sales falling, partially offset by

deliveries to

intermediaries

(Adds contract details, context from paragraph 2)

May 28 (Reuters) - Buyers of Venezuelan oil under U.S.

licenses and authorizations have completed loadings and the

vessels departed as a period granted by Washington to wind down

transactions expired this week, shipping data and documents seen

on Wednesday showed.

The U.S. Treasury and State departments gave companies

including Chevron ( CVX ), Maurel & Prom and Repsol

until May 27 to receive cargoes of Venezuelan crude,

fuel and byproducts as authorizations granted in recent years

were revoked in March as part of the Trump administration's

harder stance towards the sanctioned country.

A recent large swap deal between Venezuela's state company

PDVSA, M&P and commodities firm Vitol was completed, with

naphtha supplies discharged at PDVSA's Jose port and vessels

carrying Venezuelan heavy crude setting sail to the U.S., the

data showed.

Other customers also received in recent days their last

cargoes ahead of the wind-down deadline.

PDVSA in April canceled cargoes scheduled for delivery to

one of its main joint-venture partners, Chevron ( CVX ), citing payment

uncertainties related to U.S. sanctions, which cut short the

deadline set to complete those transactions.

Chevron's ( CVX ) broad license to operate in Venezuela ended on

Tuesday, the company confirmed. However, the U.S. producer

received guidelines from the Trump administration allowing it to

preserves its stakes, assets and staff in Venezuela, sources

told Reuters.

PDVSA, Vitol, M&P and Chevron ( CVX ) did not immediately reply to

requests for comment.

As buyers have completed and ceased deals, there has been a

reduction of crude sales to U.S.-authorized companies since last

month, partially offset by an increase in oil and fuel

deliveries to little-known intermediaries allocating

Venezuela-origin cargoes in Asia, the data and documents showed.

Without the licenses, analysts are forecasting a 15-30%

decline of Venezuela's oil output and exports by the end of next

year, following a slow recovery that had pushed average crude

output to around 1 million barrels per day (bpd) this year.

The government of President Nicolas Maduro rejects the

sanctions. Officials have said they amount to an "economic war."