Company Filing History:
4 out of 5,071 
1 out of 1,152 
Years Active: 1995-2004
Title: **Alvin Evans: Innovator in Drilling Fluid Technologies**
Introduction
Alvin Evans, a prominent inventor based in Bartlesville, Oklahoma, has made significant contributions to the field of drilling fluid technologies. With a total of five patents to his name, Evans has focused on creating innovative solutions that enhance the efficiency and safety of drilling operations.
Latest Patents
One of Evan's latest patents addresses the challenge of reducing fluid loss in drilling fluids. This invention introduces a low-toxicity drilling mud oil that, through the incorporation of a butadiene-styrene-butadiene (BSB) block copolymer, can minimize fluid loss characteristics to less than 0.2 ml in 30 minutes. By varying the concentration of the BSB from about 0.05% to 2.0% by weight, this invention presents a promising approach for borehole applications.
Another notable patent involves the development of stable liquid suspension compositions and their corresponding suspending mediums. This invention features environmentally friendly suspension formulations designed to maintain solid particulates within a liquid carrier. The suspension medium, composed of various elements including organophyllic clay and an activating alcohol, demonstrates substantial stability and usability in various industrial applications.
Career Highlights
Alvin Evans has a dynamic professional background, having worked for well-known organizations in the energy sector. He has held positions at Phillips Petroleum Company and Chevron Phillips Chemical Company LP, gaining valuable experience that informs his innovative work. His expertise in drilling technologies has positioned him as a thought leader in the industry.
Collaborations
Throughout his career, Evans has collaborated with talented professionals such as Kelly B. Fox and Wayne S. Stewart. These partnerships have likely fostered a creative environment that enhances the development of inventive solutions in the field.
Conclusion
Alvin Evans continues to be a valuable player in drilling fluid innovations, with patents that not only demonstrate his inventive prowess but also contribute to more effective and environmentally friendly drilling operations. His work stands as a testament to the importance of innovation in addressing challenges faced by the petroleum industry.