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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-191172-MS
... drilling fluid property concentration kaolinite clay mineral drilling fluid chemistry drilling fluid formulation experiment fluid damage drilling fluid selection and formulation Upstream Oil & Gas sandstone filter cake drilling fluids and materials sludge sample aluminosilicate...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191200-MS
... and the gelation time are related to each other, in which the reaction rate depends on the concentration of the reactants (i.e., polymer, crosslinker, and additives), temperature, and interactions with the reservoir fluids and rocks ( Hatzignatiou et al. 2016 ). Increasing the concentration of the reactants...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191180-MS
... al. (2014) and successfully managed to increase the gel strength. Six histograms have been generated in order to properly understand the ranges under which the main HPAM/CrAc gel properties can be applied, including crosslinker concentration, polymer concentration, polymer molecular weight...
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-191204-MS
...) is used in CMG for the calculation purposes. From the polyMF the concentration in ppm can be determined. Equation 1 shows the relation between polyMF and concentration. (1) x p = w p / M W p w p / M W p + w w / M W w Where wp is the weight...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191165-MS
... sludge scale inhibition HCl concentration coreflood experiment wax remediation wax inhibition asphaltene remediation asphaltene inhibition crude oil propagation stimulation fluid asphaltene sludge corrosion inhibitor wormhole GLDA agent dispersant coconut oil Acidizing treatment...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191171-MS
... concentration colloidal solution surfactant heavy oil Oil Recovery Thermal methods predominantly applied for heavy oil recovery have many drawbacks such as high consumption of fresh water, energy, and CO 2 emissions. These disadvantages led the industry to search for lowered cost and more efficient...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191222-MS
... with fixed C d LS , (c) having the same mid-concentration although they have large different range of effective salinity, and (d) various non-linear forms. The weighting function is only shown for the transition of concentration. The LSWF simulation model, which includes salinity dependence...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191257-MS
... waterflooding mechanism salinity Brine composition crude oil enhanced recovery concentration experiment Reconcavo Basin water injection recôncavo basin rock surface Oil Recovery cation formation water injection Upstream Oil & Gas botucatu sandstone LSWI divalent cation...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191219-MS
... concentration kg/m 3 240 210 210 195 Slot Test – 1500 μm Flat Slot Spurt ml 20.0 42.1 42.1 20.3 Filtrate (30 minutes) ml 7.2 1.0 1.0 1.4 Pressure psi 2,000 2,000 2,000 2,000 Well C was the first in the sequence to be drilled, and lessons learned from...
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-191240-MS
... initial proppant porosity were controlled. Table 3 shows the initial fracture width and proppant porosity of the fracture models prepared using different proppant sizes and concentrations. Fig. 2 shows an image of a propped fracture model after proppant packing. Finally, 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
... examined for mineral overgrowth and dissolution using scanning electron microscope (SEM) with energy dispersive X-ray spectroscopy (EDS). The supernatant fluid was analyzed for cations’ concentrations using inductively coupled plasma (ICP) and the sulfate ion concentration was measured using...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 13–15, 2016
Paper Number: SPE-180834-MS
... mud. However the open literature did not show any studies conducted to determine the impact of drilling fluid hydraulics and drilling fluid compatibility on well-bore stability. In this study, twenty-five water based drilling mud formulations were prepared using different concentrations of sodium...
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 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-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 Energy Resources Conference, June 9–11, 2014
Paper Number: SPE-169931-MS
... Followed by polymer flooding, asphalt particle emulsion flooding is carried out. The concentration, injection amount and rate are the same as the polymer flooding. And the particle size includes two types: 0.02mm, 0.5mm and 0.8mm. similarly, water flooding following asphalt is performed...
Proceedings Papers

Paper presented at the SPETT 2012 Energy Conference and Exhibition, June 11–13, 2012
Paper Number: SPE-157147-MS
... and can be used to study the tracer transport in fractured reservoirs with variable fracture intensity. artificial intelligence drillstem/well testing catalyst probability density function complex reservoir concentration tracer upstream oil & gas heterogeneity rock matrix block tracer...

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