This inventor holds 3 USPTO granted patents. Top assignee: Halliburton Energy Services, Inc.. Active years: 2006-2007.
Company Filing History:
Years Active: 2006-2007
Title: Innovations of Donald M Justus
Introduction
Donald M Justus is a notable inventor based in Houston, TX, who has made significant contributions to the field of subterranean formation fracturing. With a total of 3 patents to his name, Justus has developed innovative tools and methods that enhance the efficiency and cost-effectiveness of fracturing operations.
Latest Patents
One of Justus's latest patents is the Hydrajet perforation and fracturing tool. This invention includes methods and apparatus for fracturing a subterranean formation using a hydrajet tool, which features at least one fluid jet and one fracturing port extending through the liner. The tool also incorporates a rotating sleeve with interior fracturing and fluid jet ports. During operations, fracturing fluid is pressured through the fluid jet to create microfractures, followed by the formation of larger fractures through the stagnation pressure of the fluid.
Another significant patent is the low-cost method and apparatus for fracturing a subterranean formation with a sand suspension. This invention utilizes a centrifugal pump to mix fracture fluid, sand suspension, and liquid additives, which are then injected into the formation using a high-pressure pump. The design includes a control pinch valve that allows precise control over the sand suspension, eliminating the need for expensive blenders and reducing operational costs.
Career Highlights
Donald M Justus is currently employed at Halliburton Energy Services, Inc., where he continues to innovate in the field of energy services. His work focuses on developing efficient and cost-effective solutions for fracturing subterranean formations, contributing to advancements in the oil and gas industry.
Collaborations
Throughout his career, Justus has collaborated with notable colleagues, including David W Ritter and Bradley Leon Todd. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in the field.
Conclusion
Donald M Justus is a prominent inventor whose work in subterranean formation fracturing has led to significant advancements in the industry. His innovative patents and contributions continue to shape the future of energy services.