Inventor

DALLAS L MURRAY

US86 patents

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

DALLAS L MURRAY

(unassigned)

Blowout preventer protector and method of using same

Blowout preventer protector and method of using same

Method and apparatus for perforating and stimulating oil wells

Blowout preventer protector and method of using same

Blowout preventer protector and setting tool

Wellhead isolation tool and method of using same

Blowout preventer protector for use during high pressure oil/gas well stimulation

Backpressure adaptor pin and methods of use

Reciprocating lubricator

Wall stimulation tool and method of using same

Well stimulation tool and method of using same

Spool for pressure containment used in rigless well completion, re-completion, servicing or workover

Dual string coil tubing injector assembly

Method and apparatus for well workover or servicing

Lockdown mechanism for well tools requiring fixed-point packoff

Method and apparatus for dual string well tree isolation

Apparatus for increasing the flow of production stimulation fluids through a wellhead

Apparatus and method for completing and recompleting wells for production

High pressure fluid seal for sealing against a bit guide in a wellhead and method of using

Apparatus and method for completing/recompleting production wells

Cup tool for high pressure mandrel

Slip spool and method of using same

Method and apparatus for inserting a tubing hanger into a live well

STINGER WELLHEAD PROT INC

Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same

Wellhead and control stack pressure test plug tool

Multi-lock adapters for independent screwed wellheads and methods of using same

Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel

High-pressure plug valve

Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same

Hybrid wellhead system and method of use

Wellhead and control stack pressure test plug tool

Gate valve with replaceable inserts

Multi-lock adapters for independent screwed wellheads and methods of using same

Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use

System and method for low-pressure well completion

Blast joint swivel for wellhead isolation tool and method of using same

Apparatus for controlling a tool having a mandrel that must be stroked into or out of a well

High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same

OIL STATES ENERGY SERVICES INC

Hybrid wellhead system and method of use

Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use

Metal ring gasket for a threaded union

H W C ENERGY SERVICES INC

Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel

Well stimulation tool and method for inserting a backpressure plug through a mandrel of the tool

H W CES INTERNAT

Multi-lock adapters for independent screwed wellheads and methods of using same

Backpressure adapter pin and methods of use

HWC ENERGY SERVICES INC

Adapters for double-locking casing mandrel and method of using same

H W C E S INTERNAT

Slip spool and method of using same

GARNER JONATHAN W

Wellhead isolation tool and setting and method of using same

DALLAS L MURRAY

Wellhead isolation tool and method of use

MCGUIRE BOB

High-pressure plug valve