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Keywords: composition
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Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174206-MS
... Remediation production control hydrate inhibition Reservoir Surveillance Upstream Oil & Gas Production Chemistry formation water composition scale inhibition water content drawdown reservoir pressure wax remediation scale remediation oilfield chemistry waterflooding remediation of hydrates...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174210-MS
... radical polymerization technique affords associative polymers of significantly higher performance through the reduction of chain to chain compositional heterogeneities which are known to be a significant limitation of the Micellar polymerization process. The present study demonstrates that primary...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174277-MS
...). The results of the experiments showed that the possibility of calcium carbonate deposition was increased by growing the amount of the formation water and temperature. Increasing the pressure had reverse effect on scale formation. In this investigation, a new inhibitory chemical composition was developed...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165083-MS
... and thickness and composition of the filter cake. The quantity and quality of spurt loss and fluid loss was compared on different temperatures and core samples. Filtration rate is one of the most complex mud properties because it may be influenced by almost any change in other properties-rheology, composition...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165118-MS
... at reducing the rate of diagenetic reactions are evaluated. Data for four proppants and six coatings subjected to 350°F flowing simulated formation water for six months are presented. Proppants were analyzed for changes in mechanical and compositional properties after 0, 2, and 6 months by scanning electron...
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-165146-MS
... to control fluid losses. Table 1 shows the composition and the TCT (true crystallization temperature) difference between each brine system. The new surfactant was tested using a fluid-loss cell that can hold a ceramic disk 2.5 in. in diameter and 0.25-in. thick. The fluid-loss test was done at 158°F...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165185-MS
... to 70 MMscf/d to 20 to 30 MMscf/d and below. On the basis of the analyses of liquid and solids samples, on the investigations and simulations from the hydrocarbon compositions and PVT analyses and on production history, it can be concluded that the productivity impairment of the Cavendish C1 and C3...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, June 7–10, 2011
Paper Number: SPE-144009-MS
... 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...
Proceedings Papers

Paper presented at the 8th European Formation Damage Conference, May 27–29, 2009
Paper Number: SPE-122225-MS
... the gas condensate studies are critically reviewed and the potential of wettability alteration evaluated using reservoir simulations. Radial flow in a prototypical gas condensate reservoir is simulated using the compositional simulator GEM of the CMG suite. The simulations are done in two parts: first...
Proceedings Papers

Paper presented at the 8th European Formation Damage Conference, May 27–29, 2009
Paper Number: SPE-122109-MS
... microemulsion composition and their performance. Microemulsion treatments have proved to be effective for improving gas production rates by increasing formation permeability and for enhancing fluid recovery from sand-packed and shale-packed columns. For achieving maximum benefits, microemulsion formulations...
Proceedings Papers

Paper presented at the European Formation Damage Conference, May 30–June 1, 2007
Paper Number: SPE-108025-MS
... as a result of thermal disequilibrium or phase changes. Many mineral species can be present, depending on rock composition and injection water quality, but one of the more prevalent is silica (SiO2). Normally, such mineral deposits are removed, periodically, by acidising with combinations of hydrochloric...
Proceedings Papers

Paper presented at the European Formation Damage Conference, May 30–June 1, 2007
Paper Number: SPE-107787-MS
... enhanced recovery sand control acidizing Campos Basin deepwater horizontal injector well drilling operation byproduct spe 107787 filter cake gravel falloff test log-log plot society of petroleum engineers Directional Drilling Upstream Oil & Gas composition nonlinear regression...
Proceedings Papers

Paper presented at the European Formation Damage Conference, May 30–June 1, 2007
Paper Number: SPE-107745-MS
... Brine Hydrate Remediation hydrate inhibition asphaltene inhibition inhibitor concentration acid inhibitor deployment sulphide scale operation scale remediation Production Chemistry Upstream Oil & Gas concentration composition condensate Scssv compatibility international symposium...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 25–27, 2005
Paper Number: SPE-95025-MS
... on the knowledge of the invasion profile and their composition. Therefore, a better characterization of the invasion profile could improve substantially the clean up procedures and the treatment selection. In this first result the aim of study is to address this problem an experimental procedure was developed...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 25–27, 2005
Paper Number: SPE-94686-MS
... properties regarding pumping through drill pipes, adjustment of setting time and especially strength of the lost zone sealing. gel spe 94686 upstream oil & gas fracture drilling fluids and materials particle composition concentration circulation gel strength gelation time shear strength...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 25–27, 2005
Paper Number: SPE-93892-MS
... but the measurement of the type, amount, texture and composition of solids within produced fluids via environmental scanning electron microscopy (ESEM) combined with energy dispersive analysis (EDX) has not until now been used as a routine method to monitor the effective scale control programs applied downhole...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 13–14, 2003
Paper Number: SPE-82199-MS
... for a full compositional analysis of both the fluids and gas including pH-measurements at reservoir conditions. The downhole pH-probe The downhole pH-probe system used in this project was developed through a 3-year R&D programme sponsored by Statoil, Saga Petroleum, Exxon Mobil, BP UK...

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