Mari Energies Limited has announced a significant gas discovery at the Tibri-1 exploratory well, located in the Kalchas South Block of Dera Bugti district, Balochistan. The discovery was confirmed through a notice to the Pakistan Stock Exchange on Monday, signaling a promising development for Pakistan’s domestic energy sector.
Tibri-1 represents the first exploratory well in the Kalchas South Block and was spudded on November 11, 2025, reaching a total depth of 7,170 feet. The joint venture overseeing the project is operated by United Energy Pakistan Limited with a 46% working interest, while Mari Energies Limited holds 44%, and Dewan Petroleum (Private) Limited holds the remaining 10%.
Initial tests of the Dunghan/Sui Main Limestone formation revealed a gas flow rate of 11 million standard cubic feet per day (MMSCFD) at a 64/64-inch choke, with a wellhead flowing pressure of 561 psig. At a 32/64-inch choke, the well yielded 6.5 MMSCFD with a wellhead flowing pressure of 1,161 psig. Mari Energies stated that further testing is ongoing to determine the full production potential of the Tibri-1 well.
The company highlighted that exploration in the Kalchas South Block had been suspended for an extended period due to security challenges. Operations resumed following the joint venture’s acquisition of working interest from Dewan Petroleum in July 2023, culminating in the discovery at Tibri-1.
Mari Energies emphasized that the discovery underscores the joint venture’s continued focus on advancing Pakistan’s domestic hydrocarbon resources. The company views this milestone as a critical step toward increasing local gas production and reducing reliance on imports, supporting national energy security.
Analysts note that the Tibri-1 discovery could have wider implications for the Balochistan region, which holds significant untapped hydrocarbon potential. If the well’s production proves sustainable, it could attract further exploration investment and contribute to the development of additional infrastructure for gas processing and distribution.
The Kalchas South Block joint venture combines operational expertise and strategic investment, with Mari Energies playing a central role in coordinating exploration and technical assessment activities. The partnership demonstrates the growing collaboration between domestic and international energy companies in Pakistan’s upstream sector.
Mari Energies’ announcement comes amid broader efforts to expand indigenous energy production and strengthen the country’s energy mix. By successfully identifying commercially viable gas reserves, the company reinforces its commitment to leveraging technological expertise and strategic partnerships to support sustainable energy development in Pakistan.
With further testing and evaluation ongoing, industry observers anticipate additional updates on production rates, reserve estimates, and potential development plans for the Tibri-1 well, positioning Mari Energies and its partners at the forefront of Balochistan’s energy exploration landscape.
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