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Keywords: brine
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Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200710-MS
... The cations and anions brines were heated through separate heat exchange tubes in a heated oven. The heated components entered a mixing tee after reaching the elevated temperature used in this study (138°C). The mixture of anions and cations brines immediately ran through a 1-m long stainless...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200704-MS
... prediction. paraffin remediation wax inhibition asphaltene remediation remediation of hydrates hydrate remediation hydrate inhibition asphaltene inhibition deposition brine wax remediation oilfield chemistry scale inhibition barite deposition scale remediation induction time nucleation...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200655-MS
... Abstract The production of high salinity brines (Total Dissolved Solids (TDS) > 250,000 ppm) during oil and gas production is known to cause severe scaling issues. When high TDS conditions are coupled with high concentrations of dissolved iron in a produced water, the challenges...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200669-MS
... remediation hydrate inhibition remediation of hydrates asphaltene inhibition treatment rate inhibitor production chemistry upstream oil & gas brine paraffin remediation enhanced recovery oilfield chemistry scale inhibition polymer eor polymer hex international symposium dynamic tube...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200690-MS
... The main reactions that occur between the injected high pH alkaline brine and the oil, brine and rock, are discussed here, highlighting the potential implications not only to oil recovery behaviour, which is the main objective of alkaline related floods, but also to the scale precipitation...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200685-MS
... is shown well past five months and ongoing. The product has undergone extensive compatibility testing which includes product stability in high temperatures, compatibility with brine and KCl fluids, effect of shear, and high temperature and pressure. Possible formation damage was studied in regain perm...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200671-MS
... The laser-light based mKTT apparatus [ Figure 1 ] is designed in Brine Chemistry Consortium, Rice University. The apparatus and method is optimized to evaluate the inhibitors for calcium sulfate scale inhibition. The test apparatus is designed to run for up to four samples simultaneously...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200702-MS
... In the latterpart of the study, produced water received from field was used with a pre-filtration step before chemical dosing. The field brine was filtered through 0.45 μm filter paper via a vacuum filtration setup. This was done to remove unwanted solids and contaminants in the field brine...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200709-MS
... were assessed with respect to their compatibility in synthetic high calcium / high TDS brine, which is comparable to the target field formation brine, at 130 °C and 10 % concentration, see Table 2 for the synthetic brine ion composition. Figure 3 provides a good example of brine compatibility...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200693-MS
... modeling software program developed by Rice University's "Brine Chemistry Consortium", estimated the scaling potential and the scaling tendency based on the system conditions 14 . Saturation index (SI) is a measure of the degree of scaling ion super saturation in an aqueous system and an indication...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200694-MS
... Fe(II) can be included in the test to fully represent the field brine ( Zhang et al., 2015 and references therein). The following are summaries of product testing without and with iron which support results of previous publications and the need for iron inclusion, and highlighting the importance...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200695-MS
... by a mineral scale prediction software to investigate the specific switching strategy for a field that has multiple wells and significantly more complex heterogeneity. Results show that Ba 2+ concentrations in the formation brine impact the choice of switching time more than the output SO 4 2...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190733-MS
... in a cost-wise sustainable manner. The chemistry development is described from the selection of the suitable chemical functionalities through the evaluation of the "must have" properties – brine compatibility, thermal resistance, eco-toxicity profile – to the assessment of performance for calcite, calcium...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190705-MS
... Abstract The formation of silica and silicate scales caused troublesome issues in various water-handling systems, including steam generators, geothermal wells, and waste-water disposal systems. Recently, a produced water with over 300 ppm of silica, and a spent brine off the strong acid cation...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190706-MS
... on the main methods used in the industry such as the injection of LSSW, smart well technology with active ICD and SS, coatings, careful mixing of produced gases and brines and re-injection and in situ scale deposition deep in the reservoir. SRP uses nano filtration membranes to remove the sulphates...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190754-MS
... hydrate inhibition data mining wax inhibition asphaltene remediation scale remediation oilfield chemistry scale inhibition Brine co 2 Upstream Oil & Gas concentration anhydrite solubility electrolyte equation asphaltene inhibition scale prediction prediction aqueous phase virial...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190731-MS
... souring. This paper reports on the design of an experimental rig allowing diffusion of H 2 S into a scaling brine under dynamic environments. Multiphase conditions induced by introduction of a light distillate within the system were used to create an emulsion in order to reflect more accurately...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190736-MS
... The KTT equipment was operated at 122°F. By cooling the testing brine from 176°F to 122°F, NaCl was forced to precipitate and thus the performance of various halite inhibitor formulations was evaluated. Three formulations, A, B and C were investigated in KTT at the dose rates of 2500 ppm, 3000...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190724-MS
... Table 2 Formation and injected brine salinities and ionic concentrations. NaCl (ppm) 35,000 30,000 3,000 Ba 2+ (ppm) 500 0 0 SO 4 2− (ppm) 0 3,000 100 To show the effect of the polymer slug salinity in the 2D heterogeneous model, the polymer flood...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190732-MS
... field sampling and water characterization, assess scaling potential, review vendor chemical recommendations, and to identify and establish an optimal scale management strategy. The injected water includes produced water and spent brine from a field plant, with a ratio of approximately 4.5:1...

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