Location History:
- Walters, OK (US) (1998 - 2003)
- Lawton, OK (US) (2018)
Company Filing History:
Years Active: 1998-2018
Title: Grant L. Hartman: Innovator in Wellbore Technology
Introduction
Grant L. Hartman is a notable inventor based in Walters, OK (US), recognized for his contributions to wellbore technology. He holds 3 patents that showcase his innovative approach to cementing systems and fluid column maintenance in subterranean formations. His work is instrumental in enhancing the efficiency and safety of drilling operations.
Latest Patents
Hartman's latest patents include a "Reverse circulation cementing system for cementing a liner." This invention presents a method for cementing a liner in a wellbore that extends through a subterranean formation. The system utilizes a running tool equipped with an expansion cone, release assembly, annular isolation device, and reverse circulation assembly. The annular isolation device is set against the casing, allowing for effective cementing operations through reverse circulation.
Another significant patent is the "Method and apparatus for maintaining a fluid column in a wellbore annulus." This invention provides a solution for maintaining the fluid column in an annulus by employing a fluid column support that engages the first casing as the second casing is lowered. This innovative seal allows for upward flow while preventing downward flow, ensuring the stability of the fluid column in the well.
Career Highlights
Grant L. Hartman is currently employed at Halliburton Energy Services, Inc., where he applies his expertise in wellbore technology. His work has significantly contributed to advancements in the field, particularly in cementing and fluid management systems.
Collaborations
Throughout his career, Hartman has collaborated with notable colleagues, including Henry Eugene Rogers and Harold Otis Treece. These partnerships have fostered innovation and development in the technologies he has worked on.
Conclusion
Grant L. Hartman is a distinguished inventor whose work in wellbore technology has made a lasting impact on the industry. His patents reflect a commitment to improving drilling efficiency and safety, solidifying his reputation as a leader in his field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.