Inventor
Stephen Byrne Persac
Inventor
Shreveport, LA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling38%
C09KMaterials for miscellaneous applications, not provided for elsewhere31%
F04BPositive-displacement machines for liquids8%
G01BMeasuring length, thickness or similar linear dimensions8%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
G01VGeophysics8%
PatentTitleYear
10,961,835Automated rate control system for hydraulic fracturing202110,683,739Enhancing complex fracture geometry in subterranean formations, net pressure pulsing202010,648,309Enhancing complex fracture geometry in subterranean formations, sequence transport of particulates202010,436,004Enhancing complex fracture geometry in subterranean formations201910,428,633Enhancing complex fracture geometry in subterranean formations, sequential fracturing20199,958,572Synthetic test beds for fracturing optimization and methods of manufacture and use thereof2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2021Patents assigned to HALLIBURTON ENERGY SERVICES INC (6)· patent assignee history
2018–2021Based in Shreveport, LA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 6 | 2018–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shreveport, LA, US | 6 | 2018–2021 |