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Keywords: polymer
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Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 21–23, 2024
Paper Number: SPE-217925-MS
.... Relative permeability modifiers (RPMs) . Relative permeability modifiers are hydrophilic polymer systems, meaning they attract water and repel oil, resulting in a resistance force to water flow in the pores with minimal impact on oil flow ( Figure 1 ). Consequently, effective water permeability is reduced...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 21–23, 2024
Paper Number: SPE-217874-MS
... of common clay control additives. To address this problem in our industry, the team functionalized bio-based polymers to maximize polydentate encapsulation of fluid sensitive minerals on the fracture face. This interaction is exploited to reduce reservoir damage in the crucial early stages...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 21–23, 2024
Paper Number: SPE-217867-MS
..., 400 psi, and ramping temperature from 77F (25°C) to 350F(176°C) with a ramping rate 10F/min. We synthesized CNC-polymer-modified additives via Surface Initiated polymerization (SIP) on CNC FTIR spectra. We demonstrated the successful functionalization of atom transfer radical polymerization or ATRP...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 23–24, 2022
Paper Number: SPE-208839-MS
... and flow control of various zones provided flexibility in production management for a four well campaign. The Shape Memory Polymer (SMP) conformable sand screen technology was key to produce sand free from the fine particle sands in this marginal field in Cabinda Province offshore Angola. Unlike...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 23–24, 2022
Paper Number: SPE-208865-MS
...DNA Background Deoxyribonucleic acid (DNA) is a polymeric nucleic acid macromolecule that encodes the heritable genetic information for all forms of life on planet earth. Together with ribonucleic acid (RNA), DNA comprises one of four major classes of macromolecules (nucleic acids, proteins...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 23–24, 2022
Paper Number: SPE-208835-MS
.... In 1953, however, water began to be used as a fracking liquid and various gelled fluids were created. Historically, our industry used aqueous fluids viscosified using natural polymers (linear or crosslinked) to transport the proppant into the created fractures. Linear gels are formed by mixing polymer...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199271-MS
... to be less damaging to the formation. The DIF consists of polymers for building the required viscosity to transport cuttings and deposit a filter cake around the wellbore to reduce fluid loss. Most DIFs are composed of starch, cellulose or Xanthan polymers added with bridging agents of calcium carbonates...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199258-MS
... penetration. Currently, many in-situ crosslinked gelled acid systems generally consist of polymers, an iron crosslinker, and a breaker agent, in addition to other additives. This paper discusses an alternative crosslinker that provides effective diversion with minimal residuals at temperatures up to 275°F...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199333-MS
... is the acrylamide polymers crosslinked with polyethyleneimine (PEI), these polymers have wide range of molecular weights and environment friendly, in addition the their relatively low cost. ( El-karsani et al., 2014 ). Polyacrylamide (PAM) is a simple chemical structure of acrylamide, synthesized by polymerization...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199312-MS
... Abstract Many gas wells in Adriatic Sea are suffering from both water and sand production. An original sand control polymer technology has been successfully implemented and has proven to be an efficient way to stop sand production and thus maintain gas well under steady production. In many...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199311-MS
... viscosity of the polymer. Polyacrylamide polymers Polyacrylamide polymers are formed by the polymerization of acrylamide monomer with or without additional comonomers. The literature frequently describes these polymers as partially hydrolyzed polyacrylamide (PHPA) which means that the polymers...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199334-MS
... Abstract A novel branched synthetic polymer capable of changing the relative permeability of water and oil in a formation was developed. The new polymer has the capacity to anchor to the sandstone formation, allowing it to endure production fluid flow. Thermal aging tests were conducted...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199318-MS
.... Rheological performance of nanocellulose was found to be synergistic with bridging solids. In one particularly interesting example, it was also shown to complement a synthetic polymer in a high-temperature calcium bromide application. Nanocellulose provides superior rheological performance and reduced...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189534-MS
..., customary human force, and the methods are environmental friendly. Consequently, the silicate methods may open new vistas in brown field operations curing problems arising at oil and gas fields even in time of volatile oil and gas price. enhanced recovery polymer Exhibition Water Shutoff chemical...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178976-MS
... This type of MCDP fracturing fluid could be easily damaged by hardness (mainly Ca 2+ and Mg 2+ ions) in the water. In other words, water hardness would lower or even eliminate the fluid viscosity, especially at elevated temperatures. As a result, higher polymer loadings may be needed...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178937-MS
...Solution Development The ZDPM fluid comprises two polymers and a viscoelastic surfactant at a concentration below the critical micelle concentration. The combined components create a resistance to water flow once the ZDPM is adsorbed onto the rock, decreasing the effective permeability...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179029-MS
... Abstract Polymer gels used in hydraulic fracturing to generate fracture geometry and ensure proppant transport are also known to damage the proppant pack permeability, and this damage reduces the well production rate. As reuse of produced water and other highly saline water sources...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179012-MS
... Product A the advantage in performance over Product B when it comes to use with produced waters. Abstract This study was conducted to determine the advantages of replacing guar-based polymers with polyacrylamide (PAM) engineered polymers in unconventional shale gas plays. Hydraulic fracturing...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178985-MS
... dioxide. Using the molecular structure of chlorophyll, we hypothesized that chlorophyll functions as a breaker by producing hydrogen peroxide or other radicals in the alkaline environments of borate-fracturing fluids. This study evaluated leaf extract containing chlorophyll as a potential polymer breaker...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178986-MS
... To meet the requirement to completely seal off the depleted reservoir, a temporary gel plug was selected. This polymer is a gelled diverting agent for hot wells that forms a solid impermeable seal. It can also be used to isolate zones in workover operations and to seal lost-circulation zones...

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