Inventor

EVANS RANDY L

US12 patents

⚠️ This page may combine multiple inventors who share the name “EVANS RANDY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HILL FREEMAN L

3 patents

US8256337B2Sep 4, 2012

Modular initiator

HILL FREEMAN L125 citations96

US8127846B2Mar 6, 2012

Wiper plug perforating system

HILL FREEMAN L79 citations96

US8074737B2Dec 13, 2011

Wireless perforating gun initiation

HILL FREEMAN L98 citations96

BAKER HUGHES INC

3 patents

US7721820B2May 25, 2010

Buffer for explosive device

BAKER HUGHES INC37 citations92

US7757767B2Jul 20, 2010

Through tubing gun lock

BAKER HUGHES INC16 citations83

US7757769B2Jul 20, 2010

Wellbore and reservoir treatment device and method

BAKER HUGHES INC4 citations61

EVANS RANDY L

3 patents

US8169337B2May 1, 2012

Downhole communications module

EVANS RANDY L11 citations82

US8286697B2Oct 16, 2012

Internally supported perforating gun body for high pressure operations

EVANS RANDY L17 citations80

US9062534B2Jun 23, 2015

Perforating system comprising an energetic material

EVANS RANDY L11 citations79

MYERS JR WILLIAM D

1 patent

US8127848B2Mar 6, 2012

Selectively angled perforating

MYERS JR WILLIAM D24 citations88

HETZ AVIGDOR

1 patent

US8839863B2Sep 23, 2014

High pressure/deep water perforating system

HETZ AVIGDOR10 citations81

CHACE DAVID M

1 patent

US8525103B2Sep 3, 2013

Method for hydrocarbon saturation and hydraulic frac placement

CHACE DAVID M0 citations49