Inventor
ANYAN STEVEN L
US17 patents
⚠️ This page may combine multiple inventors who share the name “ANYAN STEVEN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
12 patentsUS6343791B1Feb 5, 2002
Split mesh end ring
SCHLUMBERGER TECHNOLOGY CORP28 citations92
US5220962AJun 22, 1993
Pump apparatus for pumping well fluids from a wellbore having low formation pressure
SCHLUMBERGER TECHNOLOGY CORP38 citations92
US6808020B2Oct 26, 2004
Debris-free valve apparatus and method of use
SCHLUMBERGER TECHNOLOGY CORP43 citations91
US6732803B2May 11, 2004
Debris free valve apparatus
SCHLUMBERGER TECHNOLOGY CORP46 citations91
US6220353B1Apr 24, 2001
Full bore set down tool assembly for gravel packing a well
SCHLUMBERGER TECHNOLOGY CORP38 citations91
US7128152B2Oct 31, 2006
Method and apparatus to selectively reduce wellbore pressure during pumping operations
SCHLUMBERGER TECHNOLOGY CORP25 citations89
US6575246B2Jun 10, 2003
Method and apparatus for gravel packing with a pressure maintenance tool
SCHLUMBERGER TECHNOLOGY CORP34 citations89
US4979569ADec 25, 1990
Dual action valve including at least two pressure responsive members
SCHLUMBERGER TECHNOLOGY CORP44 citations88
US6382324B1May 7, 2002
One trip seal latch system
SCHLUMBERGER TECHNOLOGY CORP17 citations84
US7128160B2Oct 31, 2006
Method and apparatus to selectively reduce wellbore pressure during pumping operations
SCHLUMBERGER TECHNOLOGY CORP19 citations81
US8365832B2Feb 5, 2013
Position retention mechanism for maintaining a counter mechanism in an activated position
SCHLUMBERGER TECHNOLOGY CORP8 citations74
US9464505B2Oct 11, 2016
Flow control system with variable staged adjustable triggering device
SCHLUMBERGER TECHNOLOGY CORP1 citations51