Inventor

MEEK DALE E

US9 patents

Patents

9 patents

US6419014B1Jul 16, 2002

Apparatus and method for orienting a downhole tool

SCHLUMBERGER TECHNOLOGY CORP174 citations98

US5704426AJan 6, 1998

Zonal isolation method and apparatus

SCHLUMBERGER TECHNOLOGY CORP143 citations98

US5691712ANov 25, 1997

Multiple wellbore tool apparatus including a plurality of microprocessor implemented wellbore tools for operating a corresponding plurality of included wellbore tools and acoustic transducers in response to stimulus signals and acoustic signals

SCHLUMBERGER TECHNOLOGY CORP174 citations98

US5010958AApr 30, 1991

Multiple cup bridge plug for sealing a well casing and method

SCHLUMBERGER TECHNOLOGY CORP58 citations94

US4658904AApr 21, 1987

Subsea master valve for use in well testing

SCHLUMBERGER TECHNOLOGY CORP90 citations94

US4718494AJan 12, 1988

Methods and apparatus for selectively controlling fluid communication between a pipe string and a well bore annulus

SCHLUMBERGER TECHNOLOGY CORP31 citations92

US4597439AJul 1, 1986

Full-bore sample-collecting apparatus

SCHLUMBERGER TECHNOLOGY CORP38 citations92

US4553598ANov 19, 1985

Full bore sampler valve apparatus

SCHLUMBERGER TECHNOLOGY CORP28 citations92

US4610308ASep 9, 1986

Bottom hole sampler and safety valve and valve therefor

SCHLUMBERGER TECHNOLOGY CORP19 citations73