ZISTHLP handles major oil & gas work both in litigation and advisory capacities. ZISTHLP’s major clients for oil & gas litigation practice include Shell Malaysia Trading Sdn Bhd, Sarawak Shell Berhad, Sabah Shell Petroleum Company Limited and subsidiary companies of Petronas.

The litigation portfolio includes complex upstream matters and complex issues which require intimate knowledge of oil & gas operations. ZISTHLP acted in one of the largest oil pollution claims, for Newfield, a U.S. company. ZISTHLP has also acted in major litigations for Petronas Carigali and Petronas Penapisan, amongst others.

ZISTHLP also handle advisory work in the oil & gas industry particularly in advising clients on industry related contracts and regulatory matters. This also includes drafting and preparation of documents for oil & gas business deals.