Sinclair Well Products has built a reputation for excellence, serving the drilling industry with high-performance fluid solutions. With multiple decades of experience, we continue to innovate and refine our products, ensuring our clients receive the best of both advanced drilling technology and efficiency.
Sinclair Well Products designs innovative fluid systems for geothermal, oil and gas, water well, environmental, and foundation drilling. Our broad industry expertise allows us to refine solutions that enhance efficiency, performance, and reliability in every drilling operation. With expertise across multiple drilling markets, Sinclair Well Products delivers cutting-edge fluid systems by leveraging shared characteristics of drilling applications to solve issues across geothermal, oil and gas, water well, environmental, and foundation drilling. Our diverse industry reach also allows us to continually refine our solutions, ensuring maximum efficiency and performance for every drilling operation. For nearly 40 years, Sinclair Well Products has been at the forefront of drilling fluid innovation.
As a full-service, SBA-certified Small Business, we bring the depth and capability of a larger service company while maintaining the agility, responsiveness, and personal commitment of a smaller team. Our headquarters in Cerritos, California anchors a growing network of active facilities in Shafter/Bakersfield, Vacaville, and Carson City, Nevada. Beyond our in-house operations, we maintain a strong roster of vendor partners to ensure seamless support for both U.S. and international projects, giving operators access to high-quality materials, technical expertise, and logistical strength wherever they operate.
At Sinclair Well Products, our mission is simple: to deliver drilling fluids solutions that work – safely, effectively, and economically – while standing by our clients from planning through execution.
At Sinclair Well Products, quality isn’t just a promise, it’s the foundation of everything we do. For nearly four decades, we’ve specialized in developing drilling fluid systems that perform under the toughest conditions, from high-temperature geothermal wells to complex oil and gas environments. Our approach combines deep field experience with ongoing research and innovation, allowing us to engineer fluids that are not only reliable but also optimized for safety, efficiency, and environmental stewardship.
Through collaboration with operators, testing in diverse drilling environments, and constant refinement of our product line, we ensure every fluid we deliver meets the highest standards of consistency and performance. Whether it’s reducing non-productive time, protecting wellbore stability, or improving drilling efficiency, our team is committed to pushing the boundaries of what quality drilling fluids can achieve. With Sinclair, operators gain a partner who values long-term performance and stands behind every barrel of fluid we provide.
Always On Call – We’re available 24/7 because the work doesn’t wait.
Complete Support – From casing and screens to tooling, tanks, and fluid programs, Sinclair is your all-in-one source.
Proven Experience – Over 35 years of helping contractors drill and complete wells across California, Oregon, Washington, Hawaii, Arizona, Nevada, Utah and Idaho. We design custom mud programs tailored to each project.
Knowledge You Can Trust – Our field engineers and technical staff are here to answer questions, design programs, and support you on-site.
Regional Presence – Multiple facilities and yards mean faster delivery, local stocking, and less downtime on your
Our expertise spans multiple drilling markets, allowing us to develop cutting-edge fluid systems tailored to geothermal, oil and gas, water well, environmental, and foundation drilling. By leveraging decades of experience, we provide smarter, more efficient solutions to optimize every drilling operation. Sinclair Well Products has built a reputation for excellence, serving the drilling industry with high-performance fluid solutions. We continue to innovate and refine our products, ensuring our clients receive the best in technology and efficiency. . Distinguished by its diverse expertise across multiple drilling markets, Sinclair’s broad industry reach allows it to continuously innovate and design more efficient fluid systems tailored to various drilling needs. Whether for geothermal, oil and gas, water well, environmental, or foundation drilling, Sinclair delivers customized solutions that enhance performance and efficiency. Sinclair Well Products has built a reputation for excellence, serving the drilling industry with high-performance fluid solutions. Our legacy is built on reliability, innovation, and a commitment to delivering solutions that drive success in any drilling environment.
At Sinclair Well Products, safety is more than a policy, it is the foundation of how we work every day. We recognize that the energy industry operates in demanding environments, and we hold ourselves to the highest standards to protect our employees, our partners, and the communities we serve. From the rig site to the laboratory, every step of our process is guided by a proactive health, safety, and environmental (HSE) culture that priorities prevention, accountability, and continuous improvement.
We invest in comprehensive training programs, regular safety audits, and job safety analyses to ensure that every member of our team is equipped to identify risks and take action before incidents occur. We encourage open communication and reporting of near misses, empowering employees at all levels to play an active role in strengthening our safety culture.
Beyond personal safety, we are committed to environmental stewardship minimizing waste, sourcing responsible materials, and designing fluids that meet the strictest environmental standards. By combining technical expertise with a shared responsibility mindset, Sinclair consistently delivers drilling fluids and services that not only perform under pressure but also safeguard people, equipment, and the environment.
For over 39 years, Sinclair Well Products has been at the forefront of drilling fluid innovation. Founded in 1987, we have continuously evolved to meet the demands of an ever-changing industry. Our expertise spans multiple drilling markets, allowing us to develop cutting-edge fluid systems tailored to geothermal, oil and gas, water well, environmental, and foundation drilling. By leveraging decades of experience, we provide smarter, more efficient solutions to optimize every drilling operation.
Since 1987, Sinclair Well Products has built a reputation for excellence, serving the drilling industry with high-performance fluid solutions. With 38 years of experience, we continue to innovate and refine our products, ensuring our clients receive the best in technology and efficiency. For over 38 years, Sinclair Well Products has been at the forefront of drilling fluid innovation.
Unlike other fluid companies, Sinclair’s broad industry reach allows it to continuously innovate, and design more efficient fluid systems tailored to various drilling needs. Whether for geothermal, oil and gas, water well, environmental, or foundation drilling, Sinclair delivers customized solutions that enhance performance and efficiency. Since 1987, Sinclair Well Products has built a reputation for excellence, serving the drilling industry with high-performance fluid solutions. With 38 years of experience, we continue to innovate and refine our products, ensuring our clients receive the best in technology and efficiency. With nearly four decades of experience, Sinclair Well Products continues to push the boundaries of drilling fluid technology. Our legacy is built on reliability, innovation, and a commitment to delivering solutions that drive success in any drilling environment.
Sinclair Well Products is committed to continuous research and development to drive innovation in oil and gas drilling fluids. We invest in new technologies that enhance well performance, improve sustainability, and adapt to evolving industry needs.
Sinclair Well Products & Services
10602 Midway Ave
Cerritos, California 90703
Toll Free: (800) 782-3222
Fax: (562) 403-3564
Northern California
Warehouse & Mixing Facility
887 Cotting Lane
Vacaville, CA 95688
Phone: (707) 747-5128
Fax: (707) 747-5081
vacaville@sinclairwp.com
Wilmington
Warehouse & Mixing Facility
222 E C St
Wilmington, CA 90774
Phone: 951-790-9417
wilmington@sinclairwp.com
Central California (Bakersfield)
Warehouse & Mixing Facility
31137 Imperial St,
Shafter, CA 93263
Phone: (661) 910-2755
