Assignee
CORE LAB INC
US15 patents
Top patents by PatentIndex Score
US4555934ADec 3, 1985
Method and apparatus for nonsteady state testing of permeability
CORE LAB INC77 citations93
US6659175B2Dec 9, 2003
Method for determining the extent of recovery of materials injected into oil wells during oil and gas exploration and production
CORE LAB INC61 citations92
US4402229ASep 6, 1983
Cable tension measuring apparatus
CORE LAB INC34 citations92
US4562726AJan 7, 1986
Method and apparatus for testing the compressibility of subterranean samples
CORE LAB INC41 citations89
US4539837ASep 10, 1985
Driven-capillary viscosimeter
CORE LAB INC37 citations89
US6554065B2Apr 29, 2003
Memory gravel pack imaging apparatus and method
CORE LAB INC33 citations86
US6430508B1Aug 6, 2002
Transfer function method of seismic signal processing and exploration
CORE LAB INC25 citations83
US4426878AJan 24, 1984
Viscosimeter
CORE LAB INC40 citations83
US4537063AAug 27, 1985
Nonsteady-state core holder
CORE LAB INC15 citations71
US5048531ASep 17, 1991
Pressure sensors and manufacture thereof
CORE LAB INC9 citations68
US4119404AOct 10, 1978
Apparatus and method for sour gas analysis
CORE LAB INC16 citations66
US4419879ADec 13, 1983
Particle measuring apparatus
CORE LAB INC11 citations64
US4524420AJun 18, 1985
Signal processing apparatus
CORE LAB INC12 citations62
US4566311AJan 28, 1986
Mercury pump
CORE LAB INC6 citations60
US4419314ADec 6, 1983
Method of coating core samples
CORE LAB INC13 citations59