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Special Topics & Reviews in Porous Media: An International Journal

Publication de 4  numéros par an

ISSN Imprimer: 2151-4798

ISSN En ligne: 2151-562X

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Indexed in

EXPERIMENTAL EVALUATION OF WATER SENSITIVITY IN POROUS MEDIA USING COMPUTERIZED TOMOGRAPHY SCANNING METHOD

Volume 6, Numéro 2, 2015, pp. 211-219
DOI: 10.1615/.2015013018
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RÉSUMÉ

During the design of an oilfield development plan, reservoir sensitivity must be considered since it will be related to the damage of formation and the change of field output. Traditionally, reservoir sensitivity is evaluated in laboratory by monitoring the change of core permeability through different types of flow experiments. This method can only reflect the macroscopic phenomena, such as pressure and production changes. However, some detailed information cannot be recognized well, like the positions in the core where the formation damage occurred or the microscopic mechanisms involved in that. In this paper, a new method is introduced in characterization and microscopic analysis of water sensitivity by the aid of computerized tomography (CT) scanning technology. Three formation core samples drilled from the same layer were used for waterflooding, gasflooding, and "designing waterflooding" experiments. Significant water sensitivity was implied by comparing the waterflooding with gasflooding experiment results. A "designing waterflooding" experiment with two new variables, virtual porosity and relative porosity, is proposed to investigate the details of water sensitivity. It can be deduced from the experimental results that the formation damage occurred only near the inlet end where the average porosity decreased by 10% to 15%. Porosity reduction of large pore area was relatively higher than that of small pore area by comparing the initial porosity histogram with the final virtual porosity histogram. Microscopic understanding of water sensitivity can be explained that new materials were produced by the reaction between brine and clay minerals, which led to a larger scale of porosity reduction and CT number reduction.

Prochains articles

HYDROMAGNETIC CASSON FLUID FLOW ACROSS AN INCLINED VERTICAL SURFACE IN POROUS CHANNEL WITH BUOYANCY AND THERMO-DIFFUSION EFFECTS Sowmiya C, Rushi Kumar B Effect of Helical Force on Thermal Convection of a Ferrofluid: A Weakly Non-linear Theory Jagathpally Sharathkumar Reddy, Kishan N, Shiva Kumar Reddy G, Ravi Ragoju STABILITY ANALYSIS OF A COUPLE-STRESS FLUID WITH VARIABLE GRAVITY IN A POROUS MEDIUM FOR DIFFERENT CONDUCTING BOUNDARIES Shalu Choudhary, Reeta Devi, Amit Mahajan, Sunil Sunil CREEPING FLOW ABOUT A TAINTED LIQUID DROP WITH A MICROPOLAR FLUID AND ALIGNED IN A POROUS MEDIUM FILLED WITH VISCOUS FLUID UTILISING SLIP PHANI KUMAR MEDURI, VIJAYA LAKSHMI KUNCHE Reviewing the Impact of Magnetic Prandtl Number and Magnetic Force Parameter on Convective Heat Transfer in Boundary Layers Hossam Nabwey, Muhammad Ashraf, Zia Ullah, Ahmed M. Rashad, Ali J. Chamkha Spectral Analysis for Entropy Generation and Irreversibility on NiZnFe_2O_4 – Engine Oil based Fluids RamReddy Chetteti, Sweta ., Pranitha Janapatla Study of global stability of rotating partially-ionized plasma saturating a porous medium Vishal Chandel, Sunil Kumar, Poonam Sharma Porous Medium Influenced Dissipative Hybrid Casson Nanofluid Flow over a Nonlinearly Stretching Sheet under Inclined Ohmic Lorentz Force Field A. R. Deepika, K. Govardhan, Hussain Basha, G Janardhana Reddy Effect of Motile Gyrotactic Microorganisms on Arterial Stenosis Sisko Nanofluid Flow Through Porous Medium : A Numerical Study Galal Moatimid, Mona Mohamed, Khaled Elagamy, Ahmed Gaber ELECTROTHERMOSOLUTAL CONVECTION IN NANOFLUID SATURATING POROUS MEDIUM Pushap Lata Sharma, Mohini Kapalta EFFECT OF VARIABLE GRAVITY ON THERMAL CONVECTION IN ROTATING JEFFREY NANOFLUID: DARCY-BRINKMAN MODEL Deepak Bains, Pushap Lata Sharma, Gian C. Rana Activation energy effect on MHD convective Maxwell nanofluid flow with Cattaneo-Christove heat flux over a porous stretching sheet JYOTHI NAGISETTY, VIJAYA KUMAR AVULA GOLLA Effects of different fins on Maxwell liquid under hybrid surveys of magnetic and porous material in presence of radiation factors Pooya Pasha, Payam Jalili, Bahram Jalili, Loghman Mostafa, Ahmed Mohammed Mahmood, Hussein Abdullah Abbas, D.D. Ganji
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