Industry Article: ‘Sourceless’ LWD Improves Horizontal Analysis

Compact multimeasurement logging-while-drilling tool provides essential information to solve a petrophysical puzzle.

Publication: E&P
Publication Date: 06/01/2010

The Auk field, located in the Central North Sea, comprises oil bearing aeolian sandstones of the Rotliegend formation. In 2009, Talisman Energy (UK) Limited planned to drill three new horizontal development wells into the Auk North field, which was originally drilled over 30 years ago. The well design consisted of long 8 1/2-in. production intervals of between 5,000 ft (1,525 m) and 6,500 ft (1,980 m). The first two wells have been drilled and were evaluated using the Schlumberger EcoScope multifunction logging-while-drilling (LWD) tool.

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