Inventor
READ DENNIS M
US6 patents
⚠️ This page may combine multiple inventors who share the name “READ DENNIS M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
4 patentsUS6433991B1Aug 13, 2002
Controlling activation of devices
SCHLUMBERGER TECHNOLOGY CORP130 citations97
US6328109B1Dec 11, 2001
Downhole valve
SCHLUMBERGER TECHNOLOGY CORP120 citations97
US6772842B2Aug 10, 2004
Curved flapper valve
SCHLUMBERGER TECHNOLOGY CORP10 citations65
US6715557B2Apr 6, 2004
Tool string
SCHLUMBERGER TECHNOLOGY CORP3 citations60