The event comes just after the nation's independence 20th anniversary when Australian Prime Minister Scott Morrison travelled to capital Dili to sign the Marine Border Treaty into effect, effectively allowing development of both the Greater Sunrise and Buffalo fields.
The summit runs October 3 and 4 and will be sponsored by SundaGas and hosted by petroleum authority ANPM.
This is the first time the body will be sharing on- and offshore updates for the region's leading oilers and new opportunities for smaller producers.
National oiler Timor Gap will discuss its plans for Timor-Leste and the wider industry.
"With more exploration and production projects on the way, the need for
new partners is higher than ever," it said.
The nation's most senior ministers and oil company executives will speak, as will Carnarvon Petroleum COO Phil Huizenga and Timor Resources Suellen Osborne.