Tethys Oil raises its operational activities at Block 56 onshore Oman

Muscat: Tethys Oil has raised the level of activity for the operational activities at Block 56 onshore Oman. The Menna-1 exploration well has been completed with logs indicating hydrocarbons in three separate zones and preparations for further testing are underway, the company said in a press statement.

“Also on the earlier Sarha-3 borehole, testing will resume as maintenance work on the borehole has now been completed. Both activities form an important part of the continued data collection and development of a field development plan for Block 56,” Tethys further added.

Menna-1 was drilled vertically to a final depth of approximately 1,600 metres and the logs indicate hydrocarbons in the Al Khlata, Karim and Birba formations. Further evaluation and testing will be conducted in the coming weeks, the company said.

Menna is located about 30 kilometres southwest of the Al Jumd discovery, with which Menna shares similar geological conditions. The prospect is one of several identified on the Eastern Flank trend that runs along the boundary of the productive Karim Small Fields on Block 6.

In parallel with the drilling of Menna-1, Tethys Oil has completed maintenance work on Sarha-3 in preparation for testing the remaining zones of the borehole. Test work is expected to resume in the coming weeks.

Sarha-3 was drilled in 2022 and is located on the Eastern Flank trend about seven kilometres northeast of Menna. The drill had a final depth of 1,200 metres with the target formations Gharif, Al Khlata and Karim. The logs from the drilling indicated hydrocarbons in all targets. The initial tests included the Karim Formation, from which limited oil flows to the surface were recorded. When tests resume, they will focus on establishing oil flows to the surface from the remaining two zones in Al Khlata and Gharif.

The ongoing activities at Block 56 aim to further increase the knowledge of the geological structures and the potential of the prospects and the potentially oil-bearing structures (leads), as well as to determine the resource base of the Eastern Flank trend. In total, the trend currently has more than a dozen prospects and potentially oil-bearing structures. A compilation of drillable prospects and potentially oil-bearing structures is expected to be completed in the first quarter of 2024.

Tethys Oil will use the collected data in the company's ongoing process to determine a field development plan for Block 56. The field development plan, once determined, will in turn serve as the basis for the commercialization of the block.

“We are very pleased to have safely completed exploration drilling on the Menna prospect and to have encountered oil in all three zones. We are now focusing on the testing of Menna-1 and Sarha-3, and look forward to sharing more news about the block's development in the coming months," said Magnus Nordin, Tethys Oil's CEO.

Tethys Oil is an oil exploration and production company with a focus on onshore areas with known oil discoveries. The company’s core area is the Sultanate of Oman, where it holds interests in Blocks 3&4, Block 49, Block 56 and Block 58. Tethys Oil has net working interest 2P reserves of 23.9 mmbo and net working interest 2C Contingent Resources of 14.6 mmbo and had an average oil production of 9,940 barrels per day during 2022.