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Keywords: polymer
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Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213803-MS
.... However, to perform in high-salinity environments, anionic FRs require one of the following: 1) an increase in polymer activity/concentration/molecular weight, or 2) the introduction of sulfonated/cationic monomers. This study presents the screening process of commercial boosters used to improve...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213872-MS
... salinity 630 ppm Initial oil saturation, S oi 60% This paper includes a brief overview of the design, implementation, operation and preliminary performance of the hot polymer flood pilot in progress in the Days Chapel area of the Slocum oilfield. The facilities used to mix and heat...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213791-MS
... to hydrophobic monomers. This has allowed us to achieve an HLB that facilitates easy dispersion within NAF formulations. The star polymer was produced using a controlled/radical polymerization technique called Reversible Addition Fragmentation Chain Transfer polymerization (RAFT). The properties of the NAFs...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213806-MS
... aromatic polymer. Placement of the resin system entailed a diesel preflush to condition the formation, followed by an aromatic-based resin polymer, then a diesel spacer to ensure regain permeability, followed by a low pH fluid in diesel to activate the resin polymer, and subsequent over displacement...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213793-MS
... to the structure of the polymer. If a second polymer is placed into the lattice then a function g(r), the probability of both polymers to be within some radius r, can be used to find the interaction energy between the two polymers. By defining a "potential" between the two polymers it is easily seen...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213822-MS
... rates of polymer breaking over weeks and months while the same polysaccharides dissolved in brines containing significant amounts of sodium bromide degraded very quickly. These results suggested that clear brine systems of any density within the compatibility limits of the blended components could...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213817-MS
... with a polymeric KHI but adjust the structure so that it also functions as CI and SI, while hopefully not losing the KHI performance. Thermodynamic hydrate inhibitor and synergist solvents could also be added to boost the hydrate inhibition performance. The most common monomer units in commercial KHI polymers...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213802-MS
... environmental impacts, and increase hydrocarbon recovery from unconventional formations. Produced water contains solid suspension and bacteria; these bacteria generate enzymes that degrade the polymer viscosity significantly ( Ba Geri et al. 2019b ) which causes increasing polymer mobility and potentially leads...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213782-MS
... performance. In addition, styrene butadiene latexes with adapted stabilization packages can also represent good option to run HPHT cementing jobs in corrosive environments. geology casing and cementing upstream oil & gas geologist united states government mineral polymer cement chemistry...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213833-MS
... but is often reported to bear some residual micro-crystalline which binds some of the polymeric chains together. From this perspective, HEC behaves partially like a linear flexible polymer in solution and partially like an aggregate or microgel. This microgel structure has also been seen to confer some fluid...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213837-MS
... ) and is expected to yield potentially higher MW for the post-hydrolyzed product. Table 1 Name and type of polymers used in this evaluation. Polymer Type HPAM1 Co-polymerized hydrolyzed polyacrylamide HAPM2 Post-hydrolyzed polyacrylamide Synthetic brines served as the solvent...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204385-MS
... from gas migration events. The shape of the polyaramide additive is unique and versatile. Furthermore, because the material is polymeric, it imparts beneficial mechanical properties like elasticity to cement. A vesicle in form, this polymer allows the manufacturing of new cement additives...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204286-MS
... chloride (APTAC). Amphoteric FRs are polymerized with both anionic and cationic monomers. FRs are generally applied as an invert emulsion, slurry, or dry polymers. A liquid invert emulsified polyacrylamide (ePAM) FR is a form in which the FR polymer is present in water droplets that are emulsified...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204367-MS
... Abstract This study aims to demonstrate the changes to scale inhibitor squeeze lifetimes in a polymer flooded reservoir versus a water flooded reservoir. A squeeze campaign was designed for the base water flood system, then injection was switched to polymer flooding at early and late field life...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204317-MS
... fluids and materials scale inhibition polymer viscosity nano zno nanoparticle rheology Introduction W ith increasing world energy demand, oil companies have expanded their operations to cold environments such as the offshore deep-water for more reservoirs. Hydrocarbon production in cold...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204344-MS
... Abstract Cr 3+ polymer gel flooding technology is very important for enhancing oil recovery and its field trails have obtained significantly oil increment effect. However, its laboratory physical simulation experiments are rarely carried out according to real reservoir conditions. Therefore...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204333-MS
... and increases the cost of operation. Although several polymeric materials have been employed to improve tensile properties of the cement, these additives have also adversely affected the compressive strength of the cement. A highly stable polymeric additive, triazine-based polymers, is designed, synthesized...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204303-MS
... Abstract Friction reducers (FRs) are essential additives for water used in hydraulic fracturing treatments for shale reservoirs. These polymers swell and unfurl in the frac water so that polymer chains align along the direction of flow to inhibit turbulence thereby reducing friction at high...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204348-MS
... composition petroleum engineer vibration upstream oil & gas oil sample asp system surfactant agent enhanced recovery polymer experiment asp flooding field trail result high-carbon component chemical flooding methods Introduction In recent years, ASP (alkali/surfactant/polymer...

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