Results 11 to 20 of about 5,633,795 (158)

The geometry and thickness of deformation-band fault core and its influence on sealing characteristics of deformation-band fault zones [PDF]

open access: yes, 2005
Deformation-band faults in high-porosity reservoir sandstones commonly contain a fault core of intensely crushed rock surrounding the main slip surfaces.
Thompson, L.B.   +2 more
core   +8 more sources

Towards using seismic anisotropy to interpret ductile deformation in mafic lower crust [PDF]

open access: yes, 2008
The lower crust forms an important geodynamic control in continental tectonics and the communication and coupling of kinematics between surface and deep-Earth processes.
Tatham, Daniel John
core   +7 more sources

Seismic anisotropy in siliciclastic reservoir rocks [PDF]

open access: yes, 2006
The interpretation of geophysical field measurements of seismic anisotropy is presently limited by our knowledge of the controls of the elastic anisotropy of sedimentary rocks in the subsurface. Traditionally, laboratory ultrasonic velocity measurements
Maddock, Jamie Stewart
core   +9 more sources

Petrophysical properties across scales and compositions [PDF]

open access: yes, 2023
The scales at which observations from geophysical imaging are made are orders of magnitude larger than those made in field-based studies of fossil subduction and collision zones.
Zertani, Sascha   +6 more
core   +1 more source

3D Petrophysical Modelling Of Queen Field, Onshore Niger Delta, Nigeria

open access: yesJournal of Applied Sciences and Environmental Management, 2021
Petrophysical-Modelling is indispensable in upstream Projects, considering the high cost, risks and uncertainties associated with this sector. Petrophysical qualities for Queen Field was modeled using Information obtained and analyzed from well-logs and
C Eze, G Emujakporue, DC Okujagu
doaj   +1 more source

Petrophysical Analysis Based on Well Logging Data for Tight Carbonate Reservoir: The SADI Formation Case in Halfaya Oil Field

open access: yesIraqi Journal of Chemical and Petroleum Engineering, 2023
Carbonate reservoirs are an essential source of hydrocarbons worldwide, and their petrophysical properties play a crucial role in hydrocarbon production.
Safiyya A. Jassam   +2 more
doaj   +1 more source

Stochastic modelling of spatial variability of petrophysical properties in parts of the Niger Delta Basin, southern Nigeria

open access: yesJournal of Petroleum Exploration and Production Technology, 2019
Three-dimensional models of petrophysical properties were constructed using stochastic methods to reduce ambiguities associated with estimates for which data is limited to well locations alone.
Ebong D. Ebong   +2 more
doaj   +1 more source

Integrating Petrophysical and Geomechanical Rock Properties for Determination of Fracability of the Iraqi Tight Oil Reservoir

open access: yesIraqi Geological Journal, 2022
Tight oil reservoirs have been a concerned of the oil industry due to their substantial influence on oil production. Due to their poor permeability, numerous problems are encountered while producing from tight reservoirs.
Ali Khaleel Farouk, Ayad A. Al-haleem
doaj   +1 more source

Petrophysical parameters of rocks from the areas of eastern sector of the Dnieper-Donets depression promising for shale gas

open access: yesГеофизический журнал, 2014
Consideration is given to feature the method and results of petrophysical investigations by studying complex-built terrigenous reservoirs. Results of evaluation petrophysical parameters and their link with capacitive properties of sandstones, siltstone ...
S.A. Vyzhva   +2 more
doaj   +1 more source

Petrophysical seismic inversion based on lithofacies classification to enhance reservoir properties estimation: a machine learning approach

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
For estimation of petrophysical properties in industry, we are looking for a methodology which results in more accurate outcome and also can be validated by means of some quality control steps.
Amir Abbas Babasafari   +4 more
doaj   +1 more source

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