This inventor holds 2 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents. Top assignee: Weatherford Technology Holdings, LLC. Active years: 2016-2017.
Company Filing History:
Years Active: 2016-2017
Title: Michael W. Cast: Innovator in Sliding Sleeve Technology
Introduction
Michael W. Cast is a notable inventor based in Houston, TX (US), recognized for his contributions to the field of sliding sleeve technology. With a total of 2 patents, he has made significant advancements that enhance the functionality and efficiency of downhole operations.
Latest Patents
Michael's latest patents include innovative designs for sliding sleeves that utilize contracting, dual segmented ball seats. The first patent describes a sliding sleeve that opens with a deployed ball. This sleeve features a seat within the housing, which has segments biased outward by a C-ring or similar biasing element. Initially, the seat is in an expanded state, allowing the segments to press against the housing's bore. When a suitably sized ball is deployed downhole, it engages the expanded seat. Fluid pressure applied against the seated ball moves the seat into the inner sleeve's bore, causing it to contract and increase the engagement area with the ball. Eventually, the seat reaches the shoulder in the inner sleeve, allowing pressure against the seated ball to move the inner sleeve in the housing, thus opening the sliding sleeve's flow port.
The second patent also focuses on a sliding sleeve with a ramped, contracting, segmented ball seat. Similar to the first, this design allows for efficient operation when a ball is deployed downhole. The mechanics of this invention mirror those of the first patent, showcasing Michael's expertise in creating effective solutions for complex engineering challenges.
Career Highlights
Michael W. Cast is currently employed at Weatherford Technology Holdings, LLC, where he continues to innovate and develop new technologies. His work has significantly impacted the oil and gas industry, particularly in enhancing the reliability and performance of downhole equipment.
Collaborations
Throughout his career, Michael has collaborated with talented individuals such as James Frederick Wilkin and Michael Shane Larisey. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Michael W. Cast is a distinguished inventor whose work in sliding sleeve technology has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to improving downhole operations and enhancing industry standards.