Marine

Carnarvon spuds Buffalo nicely with hopes for financial success to assist re-development


A Valaris-owned jack-up drilling rig has began operations on the Buffalo-10 nicely positioned within the Timor Sea for Carnarvon Vitality, aiming to verify adequate hydrocarbons to assist the re-development of the sphere.

Valaris JU-107 drilling rig - Carnarvon
Valaris JU-107 drilling rig; Supply: Carnarvon Vitality

The Valaris JU-107 jack-up rig has now lastly began drilling the Buffalo-10 nicely following delays because of the rig’s prior engagements.

Specifically, the contract with Valaris was formalised final September and Carnarvon waited for the rig to reach on the nicely location for months. Drilling operations have been initially anticipated to start out in October however have been delayed because of the rig’s earlier engagements.

Earlier in December, Carnarvon anticipated the rig handover to be in late December, emphasising that the delays weren’t associated to the efficiency of the rig or preparation by the corporate. The rig then mobilised to the Buffalo-10 location final week with expectations to start out the drilling operations inside every week, which has now occurred.

Since arriving on the Buffalo-10 nicely location, the rig has concluded preparations for drilling and has drilled the highest gap part following a slight delay brought on by a tropical climate system. The present operation entails the set up and cementing of the Conductor which offers the structural basis for the nicely.

Based on Carnarvon’s replace from Friday, the highest gap part has been drilled all the way down to round 120 metres and present operations contain working and cementing the conductor previous to drilling the 17 ½” gap.

As soon as the floor casing has been cemented in place, the rig will drill the 17 ½” gap to a deliberate part depth of roughly 800 metres Measured Depth (MD), adopted by setting the 13 ⅜” casing. Following this, the nicely is deliberate to drill the 12 ¼” gap part to roughly 2,800 metres MD earlier than setting the 9 ⅝” casing.

No hydrocarbons are anticipated to be intersected in these drilling sections, Carnarvon mentioned.

The Buffalo-10 nicely is being drilled offshore Timor-Leste throughout the TL- SO T19-14 Manufacturing Sharing Contract in a water depth of roughly 30 metres with a goal depth of roughly 3,500 metres. Carnarvon is the operator of the licence and Advance Vitality is its associate.

The nicely is being drilled to check for the presence of economic portions of high-quality mild oil that’s anticipated to result in the early re-development of the Buffalo subject. The estimated time to drill and full the nicely is round 35 days.

Leslie Peterkin, CEO of Advance Vitality, commented: “The three way partnership is working arduous to conclude the drilling program within the coming weeks and stays assured that the Buffalo-10 nicely can be a geological and financial success.”

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