Results 221 to 230 of about 1,825 (260)

Efficient fine-grain thread migration with active threads

Proceedings of the First Merged International Parallel Processing Symposium and Symposium on Parallel and Distributed Processing, 2002
Thread migration is established as a mechanism for achieving dynamic load sharing. However, fine-grained migration has not been used due to the high thread and messaging overheads. This paper describes a fine-grained thread migration system whose extensible event mechanism permits an efficient interface between threads and communications without ...
Boris Weissman, Benedict Gomes, Jürgen Quittek, Michael Holtkamp   +3 more
openaire   +1 more source

Analytical Modelling of Low-salinity Waterflooding with Fines Migration

Proceedings, 2016
Low-salinity waterflood is presently one of the most cost-effective EOR methods. The governing system of equations for oil and water flow with changing water salinity is derived. So-called mechanistic model is developed. This model accounts for two EOR factors: A) fines migration, which is induced by salinity variation and reduces the relative ...
Borazjani, S., Behr, A., Genolet, L., Van Der Net, A., You, Z., Bedrikovetsky, P.   +5 more
openaire   +2 more sources

Parallel Objects Migration: A Fine Grained Approach to Load Distribution

Journal of Parallel and Distributed Computing, 2000
Migration is a fundamental mechanism for achieving load balancing and locality of references in parallel and distributed applications. This paper presents the migration mechanisms implemented in the Parallel Objects (PO) programming environment, which assumes a fine granularity in allocation and reallocation of objects.
Antonio Corradi, Letizia Leonardi, Franco Zambonelli   +2 more
openaire   +2 more sources

Fines Migration in Aquifers and Oilfields: Laboratory and Mathematical Modelling

2018
Migration of natural reservoir fines is one of the main causes of formation damage in oil and gas fields. Yet, fines migration can be employed for enhancing reservoir sweep and water production control. Permeability decline due to fine particles’ detachment from reservoir rocks, mobilisation, migration and straining has been widely reported in the ...
Yang, Y., Siqueira, F. D., Vaz, A., Badalyan, A., You, Z., Zeinijahromi, A., Carageorgos, T., Bedrikovetsky, P.   +7 more
openaire   +4 more sources

Modified Mathematical Model for Fines Migration in Oilfields

All Days, 2011
Abstract Permeability decline during corefloods with varying water composition, especially with low salinity water, has been widely reported in the literature. It has often been explained by the lifting, migration and subsequent plugging of pores by fine particles, which has been observed in numerous core flood tests with altered water ...
A.. Zeinijahromi, F.. Machado, P.. Bedrikovetsky   +2 more
openaire   +1 more source

Quantitative Theory for Fines Migration and Formation Damage

SPE International Symposium and Exhibition on Formation Damage Control, 2010
Abstract Particle detachment from the matrix during suspension transport in porous media was widely observed for laboratory corefloods and flows in natural reservoirs. A new mathematical model for detachment of particles is based on mechanical equilibrium of a particle positioned on the internal cake in the pore space. The torque balance
P. Bedrikovetsky, F. D. Siqueira, C. Furtado, A. L. de Souza   +3 more
openaire   +1 more source

Prediction of Fines Migration through Core Testing

SPE Annual Technical Conference and Exhibition, 2017
AbstractFines migration is a commonly observed phenomenon in oil and gas wells, but often difficult to duplicate in the laboratory. A suite of labs tests was conducted to gauge the effect that different test conditions have on fines migration and to improve fines migration prediction through updated test strategies.
Oya Karazincir, Wade Williams, Peggy Rijken   +2 more
openaire   +1 more source

An Experimental Investigation of Fines Migration in Porous Media

SPE Annual Technical Conference and Exhibition, 1983
ABSTRACT Permeability decline in argillaceous sandstone formations has tendered a broad spectrum of explanations and related remedial treatments. This decline has often been attributed to the mobilization, migration, and plugging of fine particles in the formation pore spaces.
G. A. Gabriel, G. R. Inamdar
openaire   +1 more source

High-Temperature Acidization Prevents Fines Migration

Journal of Petroleum Technology, 2002
This article is a synopsis of paper SPE 73745, "High-Temperature Acidization to Prevent Fines Migration," by T. Huang, SPE, P.M. McElfresh, SPE, and A. Gabrysch, SPE, Baker Oil Tools, originally presented at the 2002 SPE International Symposium and Exhibition on Formation Damage Control, Lafayette, Louisiana, 20-21 February.
openaire   +1 more source

The Trapping Capacity of Nanofluids on Migrating Fines in Sand

SPE Annual Technical Conference and Exhibition, 2013
Abstract Fines Migration in reservoirs during hydrocarbon production has posed a big challenge to the oil and gas industry. Various methods have been tried but a lasting solution to the problem seems elusive. The application of nanotechnology to solve fines migration problem in reservoirs is still under investigation.
openaire   +1 more source