Inventor
COSTLEY JAMES M
US4 patents
Patents
4 patentsUS6776239B2Aug 17, 2004
Tubing conveyed fracturing tool and method
SCHLUMBERGER TECHNOLOGY CORP63 citations95
US6425443B1Jul 30, 2002
Pressure compensated disconnect system and method
SCHLUMBERGER TECHNOLOGY CORP52 citations95
US7011157B2Mar 14, 2006
Method and apparatus for cleaning a fractured interval between two packers
SCHLUMBERGER TECHNOLOGY CORP46 citations92
US6533037B2Mar 18, 2003
Flow-operated valve
SCHLUMBERGER TECHNOLOGY CORP47 citations91