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Keywords: crossflow
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Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 8–10, 2013
Paper Number: SPE-164071-MS
... of the scale inhibitor in complex wells using a combination of placement techniques such as crossflow balancing during shut in and diversion using wax, illustrates that the new inhibitor has demonstrated improved retention and desorption characteristics leading to longer squeeze lifetimes while highlighting...
Proceedings Papers

Paper presented at the International Symposium on Oilfield Chemistry, February 28–March 2, 2007
Paper Number: SPE-105907-MS
... For the case of radial flow with barriers to crossflow, 4 - 7 , 9 the distance of penetration is roughly proportional to the square root of the permeability/porosity ratio for a given zone ( Table 1 ). Certainly, more viscous fluids penetrate to a greater extent than low viscosity fluids...
Proceedings Papers

Paper presented at the International Symposium on Oilfield Chemistry, February 28–March 2, 2007
Paper Number: SPE-106498-MS
... Abstract The effective placement of chemical squeeze treatments in heterogeneous wells and long reach horizontal wells has proved a significant challenge, with various factors including heterogeneity, crossflow and pressure gradients between otherwise non-communicating zones within the well...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 4–6, 1987
Paper Number: SPE-16275-MS
... and 10:1 viscosity ratio were performed which demonstrated the importance of crossflow mechanisms in polymer flooding processes. The experiments were modelled using a curvilinear grid in a chemical flood simulator. All of the main features observed in these experiments were successfully reproduced...
Proceedings Papers

Paper presented at the SPE Oilfield and Geothermal Chemistry Symposium, April 9–11, 1985
Paper Number: SPE-13569-MS
... of a conformance treatment. Among the conclusions that have been drawn from this study are: 1. A low level of reservoir crossflow is conducive to a successful vertical conformance treatment; 2. The contrast in the permeability-thickness product of the reservoir layers is a useful parameter in identifying treatment...
Proceedings Papers

Paper presented at the SPE Oilfield and Geothermal Chemistry Symposium, April 9–11, 1985
Paper Number: SPE-13586-MS
... ABSTRACT Polymers are known to degrade chemically under reservoir conditions. In this paper we simulate the effect of chemical degradation on polymer flooding, using a modified chemical flooding code. We particularly investigate layered reservoirs, in which vertical crossflow is shown...

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