Results 231 to 240 of about 2,742,123 (281)

True amplitude migration taking fine layering into account

55th EAEG Meeting, 1993
The central process in wave‐equation—based depth migration is inverse wavefield extrapolation. The commonly applied matched filter approach to inverse wavefield extrapolation ignores the angle‐dependent amplitude and phase distortions that are related to fine layering.
C. P. A. Wapenaar, F. J. Herrmann
openaire   +1 more source

Fines migration and compaction in diatomaceous rocks

Journal of Petroleum Science and Engineering, 2014
Abstract Reservoir rocks typically have clay and other fine material attached to pore surfaces. Fines mobilization is advantageous in that the removal of fines from pore walls exposes water-wet rock thereby aiding oil recovery. On the other hand, fines mobilization is deleterious if mobilized particles obstruct pore throats. In this work, waterfloods
J.R.P. Lagasca, A.R. Kovscek
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Fine-Scaled Orientation Changes in Migrating Shorebirds

Ardea, 2012
Flight directions and routes of migrating birds are determined by the birds' compass orientation, but also by effects of wind, social influence, responses to topography and landmarks, and to navigation cues. We investigated the orientation and routes taken by arctic shorebirds during autumn migration in southern Sweden at three different sites situated
Johanna Grönroos, Martin Green, Thomas Alerstam   +2 more
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Well Productivity Impairment Due to Fines Migration

SPE International Conference and Exhibition on Formation Damage Control, 2018
Abstract Compressibility needs to be accounted for when estimating productivity decline in closed gas and oil reservoirs, and in closed aquifers. Previous works derived an analytical model and well index for inflow performance accompanied by fines migration and consequent permeability damage for incompressible flow towards well.
Zhenjiang You, Pavel Bedrikovetsky
openaire   +1 more source

Wettability of sandstone rocks and their mineral components during CO2 injection in aquifers: Implications for fines migration

, 2020
This paper presents CO2-brine wettability of sandstones and minerals composing the sandstones. The measured contact angles are used further to analyse the effect of wettability on fines migration during CO2 injection. Limited data are available to assess
Xiaozhou Zhang, J. Ge, F. Kamali, F. Othman, Yamin Wang, F. Le-Hussain   +5 more
semanticscholar   +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

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

Fine-Grained Failover Using Connection Migration

2004
This paper presents a set of techniques for providing fine-grained failover of long-running connections across a distributed collection of replica servers, and is especially useful for fault-tolerant and load-balanced delivery of streaming media and telephony sessions.
Snoeren, Alex C., Andersen, David G., Balakrishnan, Hari   +2 more
openaire   +1 more source

Fines migration in geothermal reservoirs: Laboratory and mathematical modelling

Geothermics, 2019
Fines migration with consequent well productivity reduction is a well-known phenomenon occurring during exploitation of geothermal reservoirs. Laboratory corefloods with piecewise constant decreasing ionic strength have been performed with measurements ...
Z. You, A. Badalyan, Yulong Yang, P. Bedrikovetsky, M. Hand   +4 more
semanticscholar   +1 more source

Injectivity formation damage due to fines migration

The APPEA Journal, 2018
Formation damage by fines migration during low-salinity water injection can greatly affect field-scale waterflooding projects. In this paper, we present the basic governing equations for single-phase flow with detachment, migration and straining of natural reservoir fines.
Larissa Chequer, Mohammad Bagheri, Abbas Zeinijahromi, Pavel Bedrikovetsky   +3 more
openaire   +1 more source