Tangguh LNG Expansion Project

Type of project: Gas Infrastructure

Client: BP/SAIPEN
Location: West Papua, Indonesia
Completed in: 2018

The Tangguh Expansion Project was an expansion of the Tangguh liquefied natural gas (LNG) facility located on the southern shore of Bintuni Bay in Teluk Bintuni Regency of Papua Barat Province (West Papua).

The expansion increased the production capacity of the LNG plant by approximately 50% to 11.4 Mtpa. The full project included the construction of two offshore platforms, 13 new production wells, an expanded loading facility and associated infrastructure. The Tangguh LNG Expansion HDD project required:

• Three HDD landfalls 2065 meters in length.
• Two 16-inch diameter boreholes for the  installation of 10-inch casings.
• One 40-inch diameter borehole for the installation of 24-inch product pipe.

Project works included all required support activities; construction and maintenance of launch pit and work area; provision and transportation of consumables, material and equipment.