Inventor

SZARKA DAVID D

US55 patents

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

SZARKA DAVID D

HALLIBURTON CO

Apparatus for setting a high temperature packer

Well cementing inflation packer tools and methods

Well jetting apparatus

Fracture oriented completion tool system

Well jetting apparatus and met of modifying a well therewith

Well completions using casing valves

Subsurface release cementing plug apparatus and methods

Stage cementer with integral inflation packer

Coiled tubing operated full opening completion tool system

Well completion method

Short stroke casing valve with positioning and jetting tools therefor

Jetting tool

Casing valve

Positioning tool

Double-grip thermal expansion screen hanger and running tool

Isolation gravel packer

Multiple stage cementer and casing inflation packer

Seal for long-time exposures in oil and gas well tools

High temperature packer with low temperature setting capabilities

Method and apparatus for gravel packing multiple zones

Cement head and plug

Plug container

Method and apparatus for gravel packing multiple zones

Casing cementer with torque-limiting rotating positioning tool

Method and apparatus for gravel-packing a well

Anchor and anchor positioner assembly

Isolation gravel packer

Surface packer and method for using the same

Anchor positioner assembly

Downhole tool metal-to-metal seal

Pressure-assisted dynamic seal apparatus

HALLIBURTON ENERGY SERV INC

Plug systems and methods for using plugs in subterranean formations

Fill up tool and mud saver for top drives

PDF valve

Hydraulic set liner hanger setting mechanism and method

Reverse-cementing method and apparatus

Apparatus and method for opening perforations in a well casing

Slim hole stage cementer and method

Float valve assembly and method

Compressible darts and methods for using these darts in subterranean wells

Circulating cementing collar and method

PDF valve

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

Diverter plugs for use in well bores and associated methods of use

Multiple bottom plugs for cementing operations

Methods and apparatus for use in subterranean cementing operations

Reverse cementing float equipment

Diverter plugs for use in well bores and associated methods of use

ROGERS HENRY E

Internal retention mechanism