Primeline Energy Holdings Inc. has signed a petroleum contract with China National Offshore Oil Corp. covering Block 33/07 in the East China Sea.

The Cameroon government has awarded a group led by a unit of Dana Petroleum PLC, Aberdeen, a production sharing contract for the Bakassi West block in the Rio Del Rey basin adjoining the marine border with Nigeria.

National Fuel Gas Midstream Corp., Williamsville, NY, placed in service the Trout Run gathering system in Lycoming County, Pa., with initial production from four wells operated by NFG unit Seneca Resources Corp.

San Leon Energy PLC said Poland’s Ministry of Environment has merged the Rawicz and Winsko concessions in the Permian/SW Carboniferous basin of Poland and expanded the total concession area.

Apache North Sea Ltd. has spudded a well on the Tryfan prospect on Block 3/17 in the UK northern North Sea, said Valiant Petroleum PLC.

Cobalt International Energy Inc., Houston, plans to plug its Ligurian-2 exploratory well in 5,500 ft of water on Green Canyon Block 814 in the Gulf of Mexico after it penetrated all of the targeted Miocene formations without encountering commercial hydrocarbons.

3D Geophysical Inc., Houston, has reached agreement with the Three Affiliated Tribes of the Fort Berthold Reservation to conduct a three component 3D seismic survey covering 1000 sq miles of the reservation.

AWE Ltd., Sydney, said the Atlas-1 exploratory well in the East Java basin is to be plugged and abandoned at present depth of 613 m having encountered gas with a high percentage of carbon dioxide.

Niko Resources Ltd., Calgary, has moved the Hercules 208 jackup to the Ratnadewi-1 prospect from Candralila-1 on the Lhokseumawe block in Indonesia.

New Zealand invited bids by Oct. 15 for 23 exploratory blocks that cover 40,198.5 sq km of seabed and 3,305.5 sq km of land in Waikato, Taranaki, Tasman, the West Coast, and Southland.

Esso Highlands Ltd. has spudded the Trapia-1 exploratory well in PRL 11 in Papua New Guinea 13 km east of Angore gas field and 23 km east of Hides gas field.

Zion Oil & Gas Inc., Dallas, and Lapidoth Israel Oil Prospectors Corp. Ltd. have signed a memorandum of understanding under which they would establish a company to acquire a land rig with a depth capacity of as much as 25,000 ft.

China’s State Oceanic Administration has formally approved the environmental impact assessment report that relates to the LS36-1 gas field development on Block 25/34 in the East China Sea, said Primeline Energy Holdings Inc. and CNOOC Ltd.

A group led by AWE Ltd., Sydney, last week spudded the Atlas-1 exploratory well on the Titan production sharing contract area in the East Java basin, Indonesia.