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Keywords: inhibitor concentration
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Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218736-MS
... of the important questions in the industry about scale management: What is the minimum inhibitor concentration to be used? The fact that many parameters, such as SI, Reynolds number, temperature, and brine composition can be tuned to reproduce oilfield conditions makes this methodology unique when compared...
Proceedings Papers

Paper presented at the SPE Oilfield Scale Symposium, June 5–6, 2024
Paper Number: SPE-218746-MS
... of hydrates carbonate rock optimization problem oilfield chemistry scale remediation brine compatibility experiment chen reservoir conference squeeze treatment inhibitor concentration matrix adsorption treatment design mec lives Introduction To address down-hole inorganic scaling...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 25–26, 2022
Paper Number: SPE-209503-MS
... Abstract Scale inhibitors have been widely used for scale control in oil and gas production. The accurate measurement of residual scale inhibitor concentration in the produced brine is essential for scale prevention. However, these scale inhibitors are effective at sub-stoichiometric...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 25–26, 2022
Paper Number: SPE-209477-MS
... and efficient than the methods commonly used in industrial laboratories. The BCIn CSTR method varies the inhibitor concentration so that constant feeding of the same background solution maintains a constant supersaturation and volume as the inhibitor concentration exponentially decreases. The inhibitor...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 25–26, 2022
Paper Number: SPE-209488-MS
... of interrupting the oil production to run squeeze jobs. Coupling technologies as a strategy to reduce the Minimum Inhibitor concentration (MIC) and consequently enhance the duration of a remediation job is also an attractive benefit. Inhibitor performance in terms of the minimum inhibitor concentration (MIC...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 25–26, 2022
Paper Number: SPE-209504-MS
..., leading to a more accurate squeeze lifetime prediction. reservoir simulation inhibitor concentration upper limit 2 evolutionary algorithm upstream oil & gas isotherm sensitivity study result artificial intelligence case 2 noise lower limit 100 0 linear regression case 3 machine...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200671-MS
... hydrate inhibition asphaltene inhibition hdtmp ionic strength concentration brine brine chemistry consortium inhibitor concentration water management wax inhibition asphaltene remediation remediation of hydrates calcium sulfate inhibitor ppm experiment inhibitor test induction time...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200687-MS
... by increasing the scale inhibitor concentration in the main treatment slug; however, the increase in squeeze lifetime is greatly reduced at very high concentrations. Four generic scale inhibitors were used with different adsorption isotherms to validate these calculations. In cases where either V SI or V T...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200692-MS
... squeeze lifetime, believed to be due to reduction of adsorption sites by HPAM. However, this impact could be countered by injecting this type of scale inhibitor at a low pH (e.g. pH 2). Static tests performed alongside the corefloods show that even low inhibitor concentrations (as found in SI pre-flushes...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200706-MS
... hydrate remediation asphaltene remediation remediation of hydrates inhibitor sulfide upstream oil & gas inhibitor concentration scale inhibitor hydrate inhibition asphaltene inhibition iron sulfide scale inhibition spe international symposium water management oilfield chemistry scale...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200705-MS
... Abstract Bottle test and tube-blocking test are two major methods to estimate the minimum inhibitor concentration (MIC) for scale inhibitor applications, such as scale squeeze and continuous injection. However, they may not adequately represent the behaviors of scales and inhibitors in porous...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200682-MS
... untagged scale inhibitors like sulphonated copolymers, phosphonates and phosphate esters. The two techniques can be used individually or in combination with each other and, in addition, offer the advantage of being able to detect polymeric and phosphonate scale inhibitors to minimum inhibitor concentration...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190734-MS
... water chemistry Upstream Oil & Gas asphaltene inhibition inhibitor scale inhibitor water sample scale management program barium ion concentration unpreserved sample scale inhibitor concentration wax remediation oilfield chemistry scale inhibition concentration Preservation...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190751-MS
... of the main treatment and overflush stages remain at the original scale inhibitor concentrations. To calculate the concentration profile the mass conservation principle is applied: C 1 ⋅ V 1 + C 2 ⋅ V 2 + … + C n ⋅ V n = C 0 ⋅ α ⋅ V M T Abstract Scale...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190741-MS
... chemistry paraffin remediation Hydrate Remediation scale inhibition field test separator asphaltene remediation remediation of hydrates inhibitor hydrate inhibition asphaltene inhibition inhibitor concentration scale remediation stage separator composition glass coil residence time particle...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190723-MS
... solution iron sulfide society of petroleum engineers Upstream Oil & Gas Brine Efficiency Scale Inhibitor Performance evaluation asphaltene remediation remediation of hydrates inhibitor concentration asphaltene inhibition scale inhibitor bottle test interaction concentration calcium...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 11–12, 2016
Paper Number: SPE-179898-MS
... squeeze simulation shows low initial inhibitor return percentage and long lifetime of squeeze treatment in different rock formations. The colloidal inhibitor formula can be tailored to different minimum inhibitor concentrations (MIC) to protect the oil wells of different scaling risks. This new colloidal...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 11–12, 2016
Paper Number: SPE-179875-MS
... inhibitor concentrations, anhydrite scale has been controlled in this field, which provides validation that the proposed scaling risk model is a powerful tool to optimize scale treatment plan. scale remediation Production Chemistry Upstream Oil & Gas SPCA concentration wax remediation wax...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 11–12, 2016
Paper Number: SPE-179887-MS
... proppant Upstream Oil & Gas shale gas fracturing fluid concentration proppant adsorption hydraulic fracturing structural geology inhibitor concentration porosity isotherm fraction Embedment rock matrix squeeze treatment fracture network spooner fracture fracturing materials complex...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 11–12, 2016
Paper Number: SPE-179886-MS
... Hydrate Remediation Production Chemistry Upstream Oil & Gas scale squeeze treatment inhibitor concentration concentration inhibitor wax remediation Modeling & Simulation hydrate inhibition asphaltene inhibition precipitation scale management composition seawater fraction squeeze...

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