Swedish Tethys Oil Commences Exploration Well Onshore Oman

Sweden-based Tethys Oil said that drilling operations of exploration well Thameen-1 on Block 49 onshore Oman has commenced. The well is planned to be drilled to a depth of about 4,000 meters below ground.

Drilling operations are expected to last about 45 days, Tethys Oil statement said.

Primary target is the Late Ordovician Hasirah Sandstone layer at a depth of 3,500 metres (TVD). A secondary target is the Mid-Ordovician Saih Nihayda Sandstone at a depth of 3,700 metres (TVD). In addition, the well will also investigate the shallower Gharif Sandstone.

“We are delighted to have started drilling operations on Block 49. The Thameen-1 well is designed to penetrate several potentially hydrocarbon bearing rock layers. We have three defined targets, but we will analyse all data from the well to increase our understanding of the potential oil plays in the block, conventional as well as unconventional,” said Tethys Managing Director Magnus Nordin.

The drill site is located within the northern part of Block 49 at Marsudad village in the Wilayat of Muqhsin. Block 49 is an onshore block that covers 15,439 sq km in the South West of Oman within the Governate of Dhofar. Tethys Oil, through its wholly owned subsidiary Tethys Oil Montasar, has signed a contract with Abraj Energy Services for the provision of the Abraj-204 drilling rig.

Tethys Oil entered into a farmout agreement with EOG Resources, Inc. (EOG) in November 2020, whereby EOG acquired 50 percent interest in the exploration and production sharing agreement covering Block 49. The agreement is subject to government approval. Tethys Oil AB, through Tethys Oil Montasar, is the operator of the Block and holds 50 percent of the license interest.

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