UNOCAL REDEVELOPS HELDER FIELD WITH HORIZONTAL WELLS
Unocal Netherlands BV has increased production by 160% in Helder field in the Dutch North Sea with a $19.5 million redevelopment program involving horizontal wells. The program involved Unocal drilling five horizontal wells and kicking off horizontal laterals from nine of 10 existing vertical wells. Prior to the program, the field was producing 4,200 b/d. After the horizontal program was completed in February, production jumped to 10,900 b/d.