Inventor
ANGMAN PER
CA32 patents
⚠️ This page may combine multiple inventors who share the name “ANGMAN PER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBOLD CORP
17 patentsUS10704383B2Jul 7, 2020
Downhole operations using remote operated sleeves and apparatus therefor
KOBOLD CORP6 citations83
US10662750B2May 26, 2020
Methods and electrically-actuated apparatus for wellbore operations
KOBOLD CORP10 citations83
US10287866B2May 14, 2019
Methods and electrically-actuated apparatus for wellbore operations
KOBOLD CORP8 citations83
US11649696B2May 16, 2023
Wireline completion tool and method
KOBOLD CORP2 citations72
US11480030B2Oct 25, 2022
Thermal expansion actuation system for sleeve shifting
KOBOLD CORP2 citations72
US11346169B2May 31, 2022
Sleeve valves, shifting tools and methods for wellbore completion operations therewith
KOBOLD CORP3 citations72
US11208871B2Dec 28, 2021
Apparatus, systems and methods for completion operations
KOBOLD CORP2 citations71
US12060756B2Aug 13, 2024
Coupled downhole shifting and treatment tools and methodology for completion and production operations
KOBOLD CORP1 citations62
US11959359B2Apr 16, 2024
Sleeve valves, shifting tools and methods for wellbore completion operations therewith
KOBOLD CORP1 citations62
US11319802B2May 3, 2022
Downhole operations using remote operated sleeves and apparatus therefor
KOBOLD CORP1 citations62
US11261682B2Mar 1, 2022
Mode selector for a downhole tool
KOBOLD CORP0 citations62
US10961808B2Mar 30, 2021
Tension release packer for a bottomhole assembly and methods of use
KOBOLD CORP0 citations62
US11365606B2Jun 21, 2022
Downhole sleeve assembly and sleeve actuator therefor
KOBOLD CORP1 citations59
US11215048B2Jan 4, 2022
System and method for monitoring and controlling fluid flow
KOBOLD CORP0 citations51
US10975642B2Apr 13, 2021
Shifting tool for a downhole tool
KOBOLD CORP0 citations51
US12338709B2Jun 24, 2025
Multi-position sleeve assembly, systems, and methods for use in a wellbore
KOBOLD CORP0 citations50
US10871054B2Dec 22, 2020
Closeable sleeve assembly and method of use
KOBOLD CORP0 citations41
KOBOLD SERVICES INC
7 patentsUS10024150B2Jul 17, 2018
Bottom hole assembly for wellbore completion
KOBOLD SERVICES INC19 citations93
US10472928B2Nov 12, 2019
Downhole sleeve assembly and sleeve actuator therefor
KOBOLD SERVICES INC7 citations80
US10267140B2Apr 23, 2019
Extendable/collapsible apparatus for fracture imaging and use of same
KOBOLD SERVICES INC6 citations72
US9720118B2Aug 1, 2017
Microseismic monitoring with fiber-optic noise mapping
KOBOLD SERVICES INC5 citations72
US10605061B2Mar 31, 2020
Bottom hole assembly for wellbore completion
KOBOLD SERVICES INC1 citations61
US10605045B2Mar 31, 2020
Downhole tool having a shock-absorbing sleeve
KOBOLD SERVICES INC0 citations43
US9840888B2Dec 12, 2017
Downhole tool having a shock-absorbing sleeve
KOBOLD SERVICES INC0 citations43
ANGMAN PER
7 patentsUS10472919B2Nov 12, 2019
Tension release packer for a bottomhole assembly
ANGMAN PER2 citations72
US10100588B2Oct 16, 2018
Mixed form tubular centralizers and method of use
ANGMAN PER2 citations72
US10000978B2Jun 19, 2018
Tubular centralizer
ANGMAN PER2 citations72
US11952858B2Apr 9, 2024
Isolation tool and methods of use thereof
ANGMAN PER1 citations62
US8192127B2Jun 5, 2012
Tubular handling system for drilling rigs
ANGMAN PER5 citations61
US11905798B2Feb 20, 2024
Power-generating apparatus for downhole tubulars
ANGMAN PER0 citations51
US10309164B2Jun 4, 2019
Mixed form tubular centralizers and method of use
ANGMAN PER0 citations51