Global Oil & Gas Limited is pleased to announce that Western Gas (“WGC”) has provided an operational update in preparation for rig mobilisation to location on 16 May 2022.

Highlights

  • Valaris MS-1 rig is anchored in the Dampier outer harbour and is on schedule to commence tow to the Sasanof-1 location on 16 May 2022
  • Western Gas’ drilling operations team have been deployed to the field and are now on board the MS-1 rig undertaking pre-mobilisation checks
  • Drilling support vessels commenced logistical operations as scheduled on 9 May 2022, with the transport and loading of drilling equipment and bulk materials to the MS-1 rig
  • More than 800m of 18-3/4” marine riser for deploying the Blow Out Preventer (BOP) is being transported to the rig in preparation of deployment at the Sasanof-1 location (water depth of 1070m)
  • Drilling operations are expected to commence as planned on 24 May 2022

The MS-1 is expected to take approximately four days to reach the Sasanof Prospect, which is approximately 200 km northwest of Onslow, Western Australia, following which the rig and support vessels will prepare for drilling the Sasanof-1 exploration well. The well will be drilled vertically to a total depth of 2500 m in 1070 m of water.

Commencement of the drilling operations (jetting 36” conductor) is expected to commence on 24 May 2022, once the rig is on location and anchors have been set.

ABOUT THE SASANOF PROSPECT

The Sasanof Prospect covers an area of up to 400 km2 and is on trend and updip of Western Gas’ liquids rich, low C02 Mentorc Field.

ERCE estimates the Sasanof Prospect to contain a 2U Prospective Resource of 7.2 Tcf gas and 176 Million bbls condensate (P501), with a high case 3U Prospective Resource estimate of 17.8 Tcf gas and 449 Million bbls condensate (P101).

Sasanof is a large, seismic amplitude supported, structural-stratigraphic trap in the high-quality reservoir sands at the top of the Cretaceous top Lower Barrow Group formation on the Barrow Delta within the Exmouth Plateau.

Sasanof-1 will be Western Gas’ first well drilled from its extensive exploration portfolio surrounding the existing Equus Gas Project that contains a discovered resource of 2 Tcf and 42 MMbbl (2C Gaffney Cline2). The Equus Gas Project has a historic exploration drilling success rate of 88%, with 15 discoveries from 17 wells.