Inventor

WEBB EARL D

US21 patents

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

WEBB EARL D

HALLIBURTON ENERGY SERV INC

Well casing fill apparatus and method

Method and apparatus for generating fluid pressure pulses

Apparatus for creating pulsating fluid flow

Method and apparatus for placing and cementing casing in horizontal wells

Apparatus for autofill deactivation of float equipment and method of reverse cementing

Limit clamp for use with casing attachments

Anti-rotation apparatus for limiting rotation of cementing plugs

Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring

Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring

Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore

Connector having offset radius grooves

Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore

Snap-lock seal for seal valve assembly

Removable surface pack-off device for reverse cementing applications

Floating plate back pressure valve assembly

Anti-rotation method and apparatus for limiting rotation of cementing plugs

Anti-rotation method and apparatus for limiting rotation of cementing plugs

HALLIBURTON CO

Well stabilization tools and methods

Well stabilization tools and methods

Apparatus and method for removing gelled drilling fluid and filter cake from the side of a well bore

HALLIBURTON ENERGY SERVICES INC

Downhole plug apparatus