Inventor

PARROTT ROBERT A

RU27 patents

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

PARROTT ROBERT A

SCHLUMBERGER TECHNOLOGY CORP

Method and apparatus for orienting perforating devices

Method and apparatus for coupling explosive devices

Method and apparatus for orienting perforating devices and confirming their orientation

Shaped charges having reduced slug creation

System for connecting downhole tools

Perforating gun carriers and their methods of manufacture

Impermeable and composite perforating gun assembly components

Optimizing charge phasing of a perforating gun

Charge phasing arrangements in a perforating gun

Shaped recesses in explosive carrier housings that provide for improved explosive performance

Shaped recesses in explosive carrier housings that provide for improved explosive performance in a well

Method for testing perforating and testing an open wellbore

Perforating gun

Completing a multi-stage well

Insert and twist method and apparatus for securing a shaped charge to a loading tube of a perforating gun

Technique and apparatus to form a downhole fluid barrier

Shaped charge loading tube for perforating gun

Insert and twist method and apparatus for securing a shaped charge to a loading tube of a perforating gun

Method and apparatus to reduce trapped pressure in a downhole tool

Gun brake device

Method and apparatus for completing a multi-stage well

PARROTT ROBERT A

Method and apparatus for orienting perforating devices

Method and apparatus for completing a multi-stage well

(unassigned)

Cooling system for downhole tools

SCHLUMBERGER TECHNICAL CORP

Perforating gun having a plurality of charges including a corresponding plurality of exploding foil or exploding bridgewire initiator apparatus responsive to a pulse of current for simultaneously detonating the plurality of charges

BAIHLY JASON

Completing a multi-stage well

BERTOJA MICHAEL J

Method and apparatus for completing a multi-stage well