Tethys Oil issues production update for April 2021 By: Times News Service Photo used for illustrative purpose only Muscat: Tethys Oil’s share of the production, before government take, from Blocks 3&4 onshore the Sultanate of Oman amounted in April 2021 to 307,009 barrels of oil, corresponding to 10,234 barrels of oil per day. The production in April has been adversely affected by operational issues that have been mitigated. Oil production in Oman is currently subject to production limitations under the Organisation of Petroleum Exporting Countries (Opec) plus agreement. As a consequence, production from Blocks 3&4 is subject to limitations but is likely to fluctuate monthly.