例句與造句

1. Occidental Petroleum Corp ., Getty Oil ( Britain ) Ltd ., Thomson North Sea Ltd ., and Allied Chemical ( North Sea ) Ltd ., that later transformed into the OPCAL joint venture, obtained an oil exploration licence in 1972 and discovered the Piper oilfield in early 1973 after seismically mapping the area.
2. ODECO rigs continued to rack up  firsts in the industry in the 1970s, with " Ocean Viking " discovering the giant Ekofisk oil field for Phillips Petroleum Company in the North Sea and " Ocean Victory " discovering the Piper oilfield and Claymore field, also in the North Sea, for Occidental Petroleum.
3. It's difficult to find piper oilfield in a sentence. 用piper oilfield造句挺難的