This inventor holds 6 USPTO granted patents. Top assignee: Shell Oil Comapny. Active years: 1977-1984.
Company Filing History:
Years Active: 1977-1984
Title: David R Davies: Innovator in Well Technology
Introduction
David R Davies is a notable inventor based in Rijswijk, Netherlands. He has made significant contributions to the field of well technology, holding a total of 6 patents. His innovative approaches have enhanced the efficiency and effectiveness of various processes in the oil and gas industry.
Latest Patents
Among his latest patents, one includes a method of placing and consolidating a mass of particulate material. This method involves using sand grains coated with a solid non-cured epoxy resin that has a softening point above 35 degrees Celsius. These coated sand grains can be utilized in wells for gravel packing, well repair, or fracturing purposes. The epoxy resin softens at formation temperature and reacts with a hardener, such as a tertiary amine diluted in water, present in the pore space of the mass of sand grains. This process results in a consolidated mass of sand grains that can be transported to the well site and stored over long periods at relatively high temperatures without risking quality degradation.
Another significant patent involves a process for gas-lifting liquid from a well. This process allows for the sampling of a reservoir encountered by a drilling fluid-containing borehole or the removal of liquid from within a borehole. It involves arranging conduits and a packer to isolate the reservoir or a selected fluid-removal location. Liquid is then gas-lifted by injecting an aqueous liquid solution that generates nitrogen gas within the borehole. The depth of injection and the rates of fluid inflow and outflow are adjusted to maintain a selected drawdown at the depth of the fluid-removal location.
Career Highlights
David R Davies is currently associated with Shell Oil Company, where he continues to innovate and develop new technologies. His work has significantly impacted the efficiency of oil extraction and well management.
Collaborations
He has collaborated with notable coworkers such as Edwin A Richardson and Adrianus M Hagelaars, contributing to advancements in their field.
Conclusion
David R Davies stands out as a prominent inventor in well technology, with a focus on improving processes that enhance oil and gas extraction. His contributions through his patents reflect his commitment to innovation and excellence in the industry.