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Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165180-MS
... the ionic strength. In this work we explore the effects of varying salinities from formation water down to very low salinity on brine permeability and on effluent composition. The following effects have been investigated: the presence and absence of oil in the core, the cation exchange capacity (CEC...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165197-MS
... were investigated using related models. Based on results, plugging became dominant mechanism of permeability impairment, although surface deposition may exist during the tests. The pressure drop diagrams confirm the most pressure reduction was encountered at the entrance of the core; hence permeability...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, June 7–10, 2011
Paper Number: SPE-143648-MS
... RCPs to mitigate this problem. However, after the hydraulic fracturing treatment, the well started producing a large quantity of solids. To identify the probable causes for this job failure, a laboratory investigation and experiments were conducted using samples of recovered solids, formation sand from...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 25–27, 2005
Paper Number: SPE-94660-MS
.... This paper reports an experimental investigation of an innovative water shutoff chemical deemed suitable to accomplish this task. The chemical is soluble in oil without any reaction, and is transferred into and reacts with water to form a stable gel. Core flow experiments consisting mostly of the injection...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 25–27, 2005
Paper Number: SPE-94559-MS
... porous media (glass bead packs) containing two phases. Highresolution images are used to reveal the reaction-mass transfer phenomena on the (macro-) pore scale. The results prove to be very promising for further investigations with the NMR methods. osc reaction experiment bulk system...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 21–22, 2001
Paper Number: SPE-68928-MS
... one are similar for the case considered by BP. investigation gradient fracture profile stress gradient society of petroleum engineers spe 68928 analytical solution propagation fracture drilling fluids and materials situ stress fracture propagation cuttings transport fracture...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 31–June 1, 1999
Paper Number: SPE-54771-MS
.../ formation interface was also examined, resulting in significant changes in proppant-sizing criteria for frac-packing operations. These findings should have a significant impact on future frac-pack designs. interface proppant criteria investigation particle mechanism permeability spe 54771 sma...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 15–16, 1995
Paper Number: SPE-30084-MS
... ABSTRACT Field data presented in the paper suggest that an open-choke perforating practice improves perforation clean-up. An experimental and numerical investigation of this technique confirmed that an open-choke perforating practice leads to higher core flow efficiency compared to closed-choke...

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