A method to probe the pore-throat structure of tight reservoirs based on low-field NMR: Insights from a cylindrical pore model

H Huang, R Li, F Xiong, H Hu, W Sun, Z Jiang… - Marine and Petroleum …, 2020 - Elsevier
This research proposes a new method of estimating pore-throat size distribution that
converted based on nuclear magnetic resonance (NMR) T 2 spectra, so as to more …

Revisiting movable fluid space in tight fine-grained reservoirs: a case study from Shahejie shale in the Bohai Bay Basin, NE China

H Huang, R Li, W Chen, L Chen, Z Jiang… - Journal of Petroleum …, 2021 - Elsevier
Assessment of movable fluid is a key topic in production of tight formations. Evaluation of the
movable fluid was usually conducted on tight sandstone formations while rarely on black …

Determination of nuclear magnetic resonance cutoff value based on multifractal theory — An application in sandstone with complex pore structure

X Ge, Y Fan, X Zhu, Y Chen, R Li - Geophysics, 2015 - library.seg.org
The cutoff value of nuclear magnetic resonance (NMR) transversal relaxation time T 2 is vital
for pore structure characterization, permeability prediction, and irreducible water saturation …

Effects of pore-throat structure on gas permeability in the tight sandstone reservoirs of the Upper Triassic Yanchang formation in the Western Ordos Basin, China

H Huang, W Sun, W Ji, R Zhang, K Du, S Zhang… - Journal of Petroleum …, 2018 - Elsevier
The effects of pore throat structure on gas permeability in tight sand reservoir were
investigated using helium-measured porosity, pulse decay permeability, casting thin …

Pore structure characterization of the tight reservoir: systematic integration of mercury injection and nuclear magnetic resonance

L Wang, N Zhao, L Sima, F Meng, Y Guo - Energy & Fuels, 2018 - ACS Publications
Pore structure is the most important factor affecting reservoir quality and petrophysical
property of tight reservoir. The effective characterization of pore structures, including pore …

Groundwater characterization in arid regions using seismic and gravity attributes: Al Jaww Plain, UAE

PPG Bruno, A Vesnaver - Frontiers in Earth Science, 2021 - frontiersin.org
This paper discusses a multivariate approach aimed at geophysical characterization of
subsurface rocks for groundwater exploration in arid environments. We integrate several …

Bootstrap calibration and uncertainty estimation of downhole NMR hydraulic conductivity estimates in an unconsolidated aquifer

AD Parsekian, K Dlubac, E Grunewald, JJ Butler… - …, 2015 - Wiley Online Library
Abstract Characterization of hydraulic conductivity (K) in aquifers is critical for evaluation,
management, and remediation of groundwater resources. While estimates of K have been …

Evaluation of carbonate rocks integrity after sequential flooding of chelating agent solutions

AM Hassan, HS Al-Hashim - SPE Middle East Oil and Gas Show and …, 2017 - onepetro.org
Recently chelating agents flooding have been emerged as an effective enhanced oil
recovery (EOR) technique for carbonate and sandstone reservoirs. The exact recovery …

Method and system for determining hole cleaning efficiency based on wellbore segment lengths

MA Al-Malki, MF Abughaban - US Patent 12,037,857, 2024 - Google Patents
A method may include obtaining, in real-time with a drilling operation, density data regarding
a drilling fluid circulating in a wellbore. The method may further include determining mud …

Method and system for real-time hole cleaning using a graphical user interface and user selections

MA Al-Malki, MF Abughaban, MM Al-Rubaii… - US Patent …, 2024 - Google Patents
A method may include obtaining, in real-time, well data regarding a wellbore and drilling
fluid data regarding drilling fluid circulating in the wellbore. The method may further include …