DUBAI - The Abu Dhabi National Oil Company (ADNOC) said on Wednesday it would invest 5.1 billion dirhams ($1.4 billion)to upgrade and expand its onshore Bu Hasa field.

The upgrade will increase crude oil production capacity to 650,000 barrels per day, from 550,000 bpd, by the end of 2020, ADNOC said in a statement.

(Reporting by Asma Alsharif Writing by Maha El Dahan; Editing by Susan Fenton) ((asma.alsharif@thomsonreuters.com; +20225783290; Reuters Messaging: asma.alsharif.reuters.com@reuters.net))