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Keywords: concentration
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Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191180-MS
... to the other. A mathematical model was also generated and validated in this study. This model gives a relation between the polymer concentration and the oil residual resistance factor (Frro). This model is extremely important since it can predict the effect of polymer concentration on the reduction of the oil...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191155-MS
... in suspensions, as demonstrated by zeta potential ( ζ -potential) measurements, which can minimize formation damage. Increasing the concentration of Fe 3 O 4 NPs from 0.5 to 1.5 wt% showed an insignificant variation in the filtrate invasion, spurt loss, and filter cake permeability; however, an increase...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191182-MS
... and condensate fluids. ULW proppants (i.e., P-7 and P-8) showed significantly improved suspension properties over the examined HSP proppants. The solubility of the HSP proppants in HCl acid depended on the acid concentration, soaking time, surface area. The solubilities obtained was up to 10 wt% in concentrated...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191165-MS
... of 13 wt% sludge with 15 wt% HCl and it increased to 19 and 30 wt% with increasing acid concentrations to 20 and 28 wt%, respectively. The presence of iron(III) in the system increased the sludge precipitation to 17.8 wt% at 15 wt% HCl and 3,000 ppm iron concentration. The sludging decreased to 7.5 wt...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191172-MS
..., and Palygorskite. The CT scan of core plug before/after coreflooding indicated the acid dissolved rock minerals. There was no clear indication of core damage or solids plugging. drilling fluid property concentration kaolinite clay mineral drilling fluid chemistry drilling fluid formulation experiment...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191219-MS
... a pathway for sourcing and procuring the necessary wellbore strengthening materials. Wellbore Design drilling fluid management & disposal drilling fluids and materials help ensure Upstream Oil & Gas Exhibition wellbore integrity pore pressure concentration rig reservoir laboratory...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191251-MS
... applications, particularly at high temperatures. chemical flooding methods concentration foam system Brine experiment crude oil Upstream Oil & Gas co 2 recovery factor foam stability different foam solution application foam Oil Recovery nanoparticle foam solution enhanced recovery...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191204-MS
... Value (NPV). Three (3) phases were conducted for the polymer flooding assessment. Phase 1 included a core flooding simulation to assess the oil viscosity sensitivity region and the ranges of polymer concentration for optimization. Phase 2 carried out uncertainty analysis using synthetic models...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191222-MS
... salt concentration and relative permeability have been presented in the literature, as have the differences in the effective salinity range over which salt content takes effect. This paper focuses on these properties and their impact on the fractional flow of LSWF. We present observations that help...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191240-MS
.... An experimental model of propped fracture in Eagle Ford shale was prepared using outcrop samples. Sand proppant of the size 20/40, 40/70, and 100-mesh were tested at the concentrations of 0.2, 0.4, and 0.6 lb/ft 2 . A high-pressure core holder with modified fittings was used to subject the fracture model...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191225-MS
... spectroscopy (EDS). The supernatant fluid was analyzed for cations’ concentrations using inductively coupled plasma (ICP) and the sulfate ion concentration was measured using a spectrophotometer. The proppant and Eagle Ford formation were then aged separately at the same conditions to explain the sources...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191200-MS
... spot pattern with two thief zones. CMG-STARS simulator was used that has the capabilities of modeling different parameters. The gelation process of this gel system was initiated by lowering the gelant's pH, and then the reaction process proceeded, which is dependent on temperature, concentration...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191257-MS
... Abstract Several researchers have demonstrated in laboratory experiments and field applications that reducing the concentration of salts and the content of multivalent cations in the injection water may increase oil recovery. This study evaluates the performance of low salinity water injection...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 13–15, 2016
Paper Number: SPE-180796-MS
... the benefits of their use in these regions. In particular, four (4) sensor technologies subject to bench-scale testing in mid-2016 and their working principles are outlined. Upstream Oil & Gas separator operation sensor produced water discharge linear separator concentration hydrocarbon...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 13–15, 2016
Paper Number: SPE-180834-MS
... stability. In this study, twenty-five water based drilling mud formulations were prepared using different concentrations of sodium chloride, potassium chloride and calcium chloride. The rheological properties of each formulation were determined and the Bingham Plastic and Power Law models were applied...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 13–15, 2016
Paper Number: SPE-180877-MS
... equations as a function of temperature, salinity, and pH, which control the biodegradation reactions and microbial growth rate. This involves investigating the impact of biosurfactant adsorption, maximum growth rate, and nutrient concentration. Next, the effects of environmental factors are implemented...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 13–15, 2016
Paper Number: SPE-180838-MS
... on variable hierarchy. The optimization process aims the maximization of NPV and the variables optimized are: number and location of wells, production systems capabilities, schedule of well drilling, production and injection rates, economic water cut limit for well shutdown, polymer concentration and slug...
Proceedings Papers

Paper presented at the SPE Energy Resources Conference, June 9–11, 2014
Paper Number: SPE-169931-MS
... recovery Fluid Dynamics waterflooding asphalt particle numerical simulation pore polymer flooding flow in porous media Asphalt Emulsion concentration well group thief zone injection oil production water cut reservoir asphalt size water flooding flooding Oil Recovery Introduction...
Proceedings Papers

Paper presented at the SPETT 2012 Energy Conference and Exhibition, June 11–13, 2012
Paper Number: SPE-158106-MS
... petrotrin resin asphaltene ratio asphaltene remediation remediation of hydrates concentration viscosity dispersant society of petroleum engineers Introduction Paraffin deposition related problems have manifested itself in oil production processes around the world; from formation deposition...

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