Airdrie, Canada

Dana Pettigrew

This inventor holds 2 USPTO granted patents and 1 published patent application, plus 3 CIPO patents. Top assignee: Nexen Energy Ulc. Active years: 2014-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dana Pettigrew. Retrieved from https://idiyas.com/inventor/dana-pettigrew

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 2 

% Patents Active = 50.0


Average Co-Inventor Count = 1.5

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2014-2015

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2 patents (USPTO):Explore Patents

Title: Innovations by Dana Pettigrew in Hydrocarbon Fracturing Technology

Introduction

Dana Pettigrew is an accomplished inventor based in Airdrie, Canada. She has made significant contributions to the field of hydrocarbon extraction through her innovative designs and methods. With a total of two patents to her name, Pettigrew is recognized for her expertise in developing advanced pumping technologies.

Latest Patents

Pettigrew's latest patents include a high-pressure multistage centrifugal pump designed specifically for fracturing hydrocarbon reserves. This invention features a unique assembly that includes diffusers, impellers, and a shaft, all enclosed within a robust high-pressure housing. This design allows for safe pressure containment of the fluids being pumped and enhances the discharge pressure capabilities beyond the 6,000 psig of current designs.

Another notable patent is her method for high-pressure hydrocarbon fracturing on demand. This process utilizes water from an underground aquifer, which may contain undesirable chemical compounds. The method involves pumping the water at a pressure above its bubble point pressure, ensuring that the water remains stable and clear during the fracturing process. A closed loop is established to keep the aquifer water circulating, allowing for efficient hydrocarbon extraction.

Career Highlights

Dana Pettigrew is currently employed at Nexen Energy ULC, where she applies her innovative ideas to real-world challenges in the energy sector. Her work focuses on improving the efficiency

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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