Aminex PLC said its Ndovu Resources Ltd. Subsidiary will test a Cretaceous sandstone interval at 2,660-85 m at the Ntorya-1 indicated gas discovery well in the Ruvuma basin onshore southern Tanzania.

Oil & Natural Gas Corp. reported four discoveries in and offshore India.

OGX Petroleo e Gas SA has extended and proposes to rename its Waikiki complex of oil and gas discoveries in the Campos basin offshore Brazil Tubarao Martelo field.

CNOOC Ltd. said it has made a natural gas discovery in a high-pressure high-temperature reservoir at the Dongfang 13-2 well in the western South China Sea offshore western Hainan Island in China.

A sidetrack of the P’nyang South-1 well in Papua New Guinea is interpreted to have extended the gas-bearing Toro sandstone 200 m deeper than the lowest known gas in P’nyang South-1, indicating an increase in the total gas column to 380 m, said Oil Search Ltd., Sydney.

An Anadarko Petroleum Corp.-operated downdip sidetrack of the Heidelberg appraisal well in the deepwater US Gulf of Mexico has confirmed oil pay, found an oil-water contact, and greatly increased the field’s known areal extent, said partner Eni SPA.

Hunt Middle East plans to set intermediate casing at 3,700 m measured depth at a multipay discovery on the Ain Sifni PSC in the Kurdistan Region of Iraq.

Parex Resources Colombia Ltd. and Petroamerica Oil Corp., Calgary, plan to begin a long-term test of the Las Maracas oil discovery well and spud an appraisal well in the second quarter of 2012 on the 110,400-acre Los Ocarros block in Colombia’s Llanos basin.

Wintershall Norge AS said it discovered light oil at a wildcat on its Skarfjell prospect in PL 418 in the North Sea offshore Norway.

Petrobras said an exploratory well north of Lula field in the Santos basin offshore Brazil has discovered good-quality oil in presalt carbonate reservoirs at 5,660 m based on wireline sampling.

Cia. Espanola de Petroleos SAU and Gran Tierra Energy Inc., Calgary, have tested oil from Mirador at a restricted rate of 2,525 b/d at the Ramiriqui-1 discovery well in the Llanos basin in Colombia.

Trinidad and Tobago’s state Petrotrin LLC said appraisal drilling in cluster 6 of Southwest Soldado field onshore Trinidad has confirmed the existence of a minimum of 48 million bbl of oil.

A group led by Petrobras has demonstrated good quality reservoirs at a well drilled to probe the westerly extent of the Iara presalt accumulation in the Santos basin offshore Brazil.