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Keywords: deposition
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Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218743-MS
... coreflood system, which consists of a plug flow reactor of 4mm internal diameter filled with sandstone grains, 0.25-0.5mm grain size. This technique is capable to detect the location and magnitude of surface deposits ( Løge et al., 2023b ). The aim is to bridge the observations from bottle tests...
Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218722-MS
... of issues related to mineral scale deposition can be encountered that impact the efficiency of CO 2 injection and utilisation/storage. These can include calcium carbonate deposition during CO 2 capture in a calcium looping process, halite (NaCl) precipitation during supercritical dry CO 2 injection...
Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218736-MS
... Calcite scale formation is a common issue in oilfield production from carbonate reservoirs. It causes losses in production and additional costs for prevention or even remediation of the deposits in the pipe walls and valves. Although the thermodynamics of the equilibrium and the use of scale...
Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218724-MS
...Steamline/turbine Common Scale in Geothermal Plants The common type of scale deposits that might precipitated in geothermal plants are carbonates, silica, sulphates, and sulphides. The type of scale encountered will depend on the geological setting of the play, which will determine...
Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218700-MS
... and minimising over treatment of wash water injection and the impact this has on production. remediation of hydrates geology scale inhibition asphaltene inhibition geologist mineral wax inhibition enhanced recovery calculation halite deposition asphaltene remediation kaasa oilfield chemistry...
Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218720-MS
... is a water injection supported oil field tied back to the Cormorant Alpha platform and has been in production since 1996. In early field life, the initial scaling assessment predicted barite scale deposition in the tubing, prompting the adoption of preventive inhibition measures. Scale dissolver treatments...
Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218737-MS
... Abstract The drive towards net zero by 2050 has instigated the development of alternative energy sources to fossil fuels which has resulted in a big focus on geothermal energy projects. Geothermal brines typically contain dissolved minerals and gases that can cause scale deposition in wells...
Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218702-MS
... Two hypotheses regarding the cause of the productivity reduction have been proposed: (1) Erosion of the carbonate reservoir, resulting in deposition on the ESPs or (2) Precipitation of aragonite on the ESP due to thermodynamic variations and turbulent flow regime within the complex geometry...
Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218728-MS
... asphaltene inhibition geologist asphaltene remediation dissolution mineral geology remediation of hydrates scale inhibition wax inhibition paraffin remediation sulfide corrosion scale control production chemistry scale remediation thp deposition international symposium aberdeen...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 25–26, 2022
Paper Number: SPE-209512-MS
... this, we tracked the evolution of growth over time. This was done by extracting the internal void volume, Pa, Psk and P10z. These showed essential insights into how thermodynamics affect the structure of a deposited scale layer. We illustrated how the height of surface deposition is dependent...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 25–26, 2022
Paper Number: SPE-209484-MS
... scale remediation production chemistry upstream oil & gas deposition paraffin remediation wax inhibition asphaltene remediation remediation of hydrates hydrate remediation hydrate inhibition asphaltene inhibition residence time wax remediation oilfield chemistry scale...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200704-MS
... Abstract Barium sulfate is one of the most serious problem in mineral scale precipitation, the deposition of barite on the surface is a concern to flow assurance in the oil well. The scale formation is typically predicted by thermodynamic solubility limit. However, it is believed...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200668-MS
... smoothness of the pumping job. During the well shut-in period between the completion and the put-on-production (POP) date, scale deposition can negatively impact the conductivity of the created fractures impacting reservoir integrity and performance. Scale management at this stage requires understanding...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200655-MS
... for controlling scale deposition increase significantly. The formation of the more common mineral scales (barium/strontium sulfate, calcium carbonate, and calcium) is expected in these produced waters and often other challenges associated with high TDS brines include the propensity for halite (sodium chloride...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200714-MS
... inhibition concentration brine concentration pipe scale formation production chemistry upstream oil & gas deposition pressure drop pressure distribution valve orifice particle size distribution scale inhibition precipitation flow rate experiment orifice reynolds number valve...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200705-MS
... the core plug and were used to determine the location of BaSO4 deposition. Ba 2+ concentrations in effluents were measured and compared with the bottle test results to investigate the performance of PPCA in porous media. Results show that PPCA cannot stop scale deposition in porous media at the MIC...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200670-MS
... depend on the types of ions in water, sulfate and carbonate scales are the most commonly found scales in oil and gas fields. In this study, we investigated a single approach to prevent complex mineral scales from deposition using water-soluble polymer dispersant or the combination of water-soluble...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200664-MS
... homogeneous nucleation and precipitation over the heterogeneous process. As a result, a suspension of small scale particles (5-8μm in diameter) is formed in preference to surface deposition, which is then transported through the production system ( Krag et al., 2014 ). Mineral scale deposition in the Near...

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