Methods and systems for determining fracture and matrix permeability of a subsurface formation

JJ Zhang, LIU Hui-Hai, H Chen - US Patent 11,579,065, 2023 - Google Patents
US11579065B2 - Methods and systems for determining fracture and matrix permeability of a
subsurface formation - Google Patents US11579065B2 - Methods and systems for determining …

Determining matrix permeability of subsurface formations

JJ Zhang, LIU Hui-Hai, J Duncan - US Patent 11,643,924, 2023 - Google Patents
APMonitor. com [online],“Proportional integral derivative (PID).” Sep. 2020, retrieved Oct. 13,
2021 from URL< https://apmonitor. com/pdc/index. php/Main/ProportionalIntegralDerivative> …

Test method to simulate shale oil recovery

E Acosta - US Patent 10,557,785, 2020 - Google Patents
A fracture simulated oil recovery test apparatus includes a sleeve, the sleeve positioned
within an oven and an oil saturated matrix positioned within the sleeve. The fracture …

Laboratory measurement of dynamic fracture porosity and permeability variations in rock core plug samples

AA Santagati, OEM Camargo, T Mahmood… - US Patent …, 2021 - Google Patents
Fracture porosity and permeability variations with increasing effective stress, are measured
and determined by laboratory testing of rock cylindrical core plugs of various types …

Method for determining a matrix permeability of a subsurface formation

JJ Zhang, LIU Hui-Hai, J Duncan - US Patent 12,050,168, 2024 - Google Patents
A method for determining a matrix permeability of a subsurface formation, including the
steps: acquiring a core from the subsurface formation, imposing a fluid to the core until the …

Determining rock properties

JJ Zhang, LIU Hui-Hai, J Duncan - US Patent 11,680,887, 2023 - Google Patents
the at least three test operations includes a second test operation subsequent to the first test
operation, the second test operation including operating the first pump to circulate the test …

Wellbore pressure surge simulation systems, methods to perform surge simulations, and methods to configure pressure surge simulation systems

L Dubs, JA McGregor, BM Grove - US Patent 11,203,928, 2021 - Google Patents
Wellbore pressure surge simulation systems, methods to perform pressure surge
simulations, and methods to config ure pressure surge simulation systems are disclosed. A …

Indentation method to measure multiple rock properties

HAN Yanhui - US Patent 12,025,589, 2024 - Google Patents
A method for measuring multiple rock properties using a multi-stage indentation test is
provided. The method includes measuring load and displacement versus time on an …

Water-soluble graphene oxide nanosheet assisted high temperature fracturing fluid

F Liang, A Santra, A Buenrostro - US Patent 12,071,589, 2024 - Google Patents
US12071589B2 - Water-soluble graphene oxide nanosheet assisted high temperature
fracturing fluid - Google Patents US12071589B2 - Water-soluble graphene oxide …

Evaluating gel stability by injection in alternating flow directions

AM Al-Sofi, W Jinxun - US Patent 11,614,391, 2023 - Google Patents
US11614391B1 - Evaluating gel stability by injection in alternating flow directions - Google
Patents US11614391B1 - Evaluating gel stability by injection in alternating flow directions …