David S Pye

This inventor holds 14 USPTO granted patents, primarily in Drilling Technology. Top assignee: Union Oil Company of California. Active years: 1976-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David S Pye. Retrieved from https://idiyas.com/inventor/david-s-pye

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 11

Forward Citations = 302(Granted Patents)

Location History:

Brea, CA (US) (1976 - 1980)
Indio, CA (US) (1985)

Company Filing History:

14 out of 1,113

Union Oil Company of California

patents

Years Active: 1976-1985

Loading Chart...

Areas of Expertise:

Foam Drilling

Low Fluid Loss

Biodegradable Agents

Corrosion Control

High Temperature Wells

Gas Drilling

Well Completion

Subterranean Formations

Workover Operations

Emissions Reduction

Aqueous Fluids

Dolomite Formations

14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4498543 - Method for placing a liner in a pressurized well (1985-02-12),

2. 4201678 - Foam drilling and workover in high temperature wells (1980-05-06),

3. 4192753 - Well completion and workover fluid having low fluid loss (1980-03-11),

4. 4161222 - Method for reducing contaminant emissions in gas drilling operations (1979-07-17),

5. 4121674 - Method for foam drilling using a biodegradable foaming agent (1978-10-24),

6. 4121664 - Biodegradable foaming agent in drilling and workover operations (1978-10-24),

7. 4120369 - Method for drilling a well through unconsolidated dolomite formations (1978-10-17),

8. 4092252 - Controlling corrosion in gas-containing aqueous drilling fluid (1978-05-30),

9. 4088583 - Composition and method for drilling high temperature reservoirs (1978-05-09),

10. 4088190 - Carbon dioxide foam flooding (1978-05-09),

11. 4036764 - Method of foam drilling using a sulfoacetate foaming agent (1977-07-19),

12. 3989632 - Method of conducting drilling operations (1976-11-02),

13. 3979305 - Low fluid loss additive composition (1976-09-07),

14. 3979304 - Method for drilling and treating subterranean formations using a low (1976-09-07),

Title: Innovator David S. Pye: Pioneering Methods in High-Pressure Well Technology

Introduction: David S. Pye, located in Brea, California, is a notable inventor with an impressive portfolio of 14 patents. His contributions focus on innovative methods for enhancing operations in high-pressure wells, particularly in geothermal applications.

Latest Patents: Among his latest patents, Pye has developed a groundbreaking method for placing a liner in a pressurized well. This invention involves inserting hollow plugs in a preperforated liner which temporarily close the holes. The liner can then be positioned in a well while maintaining pressure integrity. Once in place, a cutting tool removes the plugs, allowing for the production of reservoir fluids. Additionally, Pye has crafted a method for foam drilling and workover operations tailored for high-temperature geothermal reservoirs, utilizing specialized aqueous foaming solutions.

Career Highlights: David S. Pye's career has been marked by significant advancements in drilling technologies. His work at the Union Oil Company of California has cemented his reputation as a leader in the field. His inventions not only improve efficiency but also enhance safety in challenging high-pressure environments.

Collaborations: Throughout his career, Pye has collaborated with talented professionals, including Paul W. Fischer and Julius P. Gallus. These collaborations have fostered a rich exchange of ideas, further advancing their collective expertise in oil and gas technologies.

Conclusion: David S. Pye stands out as an influential inventor in the realm of high-pressure well technologies. His innovative methods and collaborative spirit contribute enormously to the ongoing advancements in the field, establishing a legacy that impacts future developments in geothermal and oil extraction operations.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]