Kuzey Marmara Underground Gas Storage Expansion Project

The Silivri Underground Gas Storage Facilities in the depleted gas fields of Kuzey Marmara and Degirmenköy have been successfully operated by Türkiye Petrolleri A.O (TPAO) since April 2007. In September 2016, Petroleum Pipeline Corporation (BOTAS) took over the existing Silivri Underground Gas Storage Facilities from TPAO, including the Kuzey Marmara Underground Gas Storage Expansion (Phase III) Project. Due to Turkey’s need for more gas storage capacity and recently discovered additional available working gas capacity in the Kuzey Marmara reservoir, the Kuzey Marmara Underground Gas Storage Expansion (Phase III) Project is being developed to increase the injection and withdrawal capacity by the installation of the following facilities: 

Installation of a New Surface Plant (NSP) with an injection rate of 30 MMSm³/d and a withdrawal rate of 50 MMSm³/d

Installation of a new 28” onshore pipeline from Kuzey Marmara Gathering Station (KMGS) to New Surface Plant

Installation of a new 36” pipeline connected to 36” BOTAS pipeline grid

Integration of the existing Shared Facility (SF) to the NSP

Installation of two new offshore platforms in the Marmara Sea close to KMGS

Installation of two new 28” offshore pipelines from platforms to KMGS connected to the existing 24” and the new 28” onshore pipelines to NSP

Scope of work:

Design, Engineering and Procurement

Manufacturing and Supervision

Installation, Commissioning and Performance Test on Silica Gel Adsorption Units