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Keywords: inhibitor concentration
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Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213858-MS
... adsorption isotherm equilibrium inhibitor concentration long-term scale control dissolution kan dosage si-4 adsorption isotherm Introduction Buildup of inorganic scales in O&G fields can cause significant production loss due to clogged wellbore formation and constrained production tubing...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213843-MS
... with differential pressure trending scaling ions, suspended solids assessment via environmental scanning electron microscope (ESEM) and measurement of inhibitor concentration within the produced water was carried out to ensure scale control was effective. The current regulatory challenges with REACH (registration...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213849-MS
... of halite inhibitors are not well-known, and lack of information can lead to overtreating the scale with higher inhibitor concentrations than needed. By simulating the temperature drop that occurs when brine is transported from the downhole to the surface, this approach can establish the effective SI range...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213877-MS
... by the automated scale rig: The first is ‘Chemical’ where cation and anion brines are mixed with inhibitor solution and being pumped into the scaling coil at a flow rate 10 mL/ min. The test consists of several automated periods, each with a duration of 1 hr. In each test the inhibitor concentration is getting...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213830-MS
... image analysis to characterize how chemical inhibitors affect the overall deposition rate. We show the impact of time and inhibitor concentrations on corrosion processes. upstream oil & gas hydrate inhibition europe government asphaltene inhibition asphaltene remediation wax inhibition...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213787-MS
... inhibition production chemistry wax inhibition scale remediation inhibitor experiment paraffin remediation adsorption brine flow-through experiment synthetic brine kan spca-2 breakthrough calcite hydrate remediation wax remediation spca-2 reservoir inhibitor concentration breakthrough flow...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204349-MS
... inhibitor concentration f-tagged inhibitor 2 application inhibition performance field brine synthetic brine detection f-tagged inhibitor Introduction Scale inhibitors have been widely applied in the oil and gas industry for scale control. The accurate detection of scale inhibitor...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204398-MS
.... Furthermore, a new BCC CSTR Inhibition (BCIn) test method that applied the Continuous Stirred Tank Reactor (CSTR) theory has been developed, for the first time. This BCIn method was used for calcite inhibitor screening tests and minimum inhibitor concentration (MIC) estimation. By only running one experiment...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204282-MS
... chemistry scale inhibition brine inhibitor concentration area 2 induction time scale inhibitor inhibitor composition paraffin remediation scale remediation production chemistry upstream oil & gas concentration tomson saturation index protection time inhibitor performance inhibitor...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204383-MS
... is the influence of EOR chemicals, such as hydrolyzed polyacrylamide (HPAM), on scale inhibitor (SI) squeeze lifetime for barium sulphate and calcium carbonate scale risk. Squeeze lifetime is defined as the duration of time (or produced water volume) before the minimum inhibitor concentration (MIC) is reached...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 8–9, 2019
Paper Number: SPE-193578-MS
... sizes are achieved by utilising branched, or chair-like carboxylic acids, rather than the long-chain molecules more commonly used. The use of FTIR, XRD, DLS and SSNRM have been combined to demonstrate that inhibitor concentration is the dominant effect in preventing crystal growth but does not account...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 3–5, 2017
Paper Number: SPE-184518-MS
.... Experimental results were consistent and reproducible. Furthermore, a novel inhibition model has been developed based on data from this study. Finally, field observations on carbonate scaling kinetics of a number of wells are used to validate our new model and minimum inhibitor concentrations observed...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 3–5, 2017
Paper Number: SPE-184534-MS
... asphaltene inhibition inhibitor concentration scale inhibitor surfactant reservoir chemical flooding methods inhibitor performance international symposium Introduction Calcium carbonate (CaCO 3 ) is the primary scale type occurring in the oil production systems in Saudi Arabia. Scale formation...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 13–15, 2015
Paper Number: SPE-173768-MS
... control of inhibitor concentration during production remains one of the big challenges. Indeed, current techniques of inhibitor monitoring that use elemental analysis appear too complex for an efficient long-term industrial solution. With this in mind, we have developed a simple and accurate method...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 13–15, 2015
Paper Number: SPE-173779-MS
... a timely and accurate scale inhibitor concentration to the facility operator. Field operators with minimal training use sample preparation protocols that are minimized and standardized to determine polymer concentrations within 15 minutes down to 1 ppm active polymer. The testing protocol uses an aqueous...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 13–15, 2015
Paper Number: SPE-173792-MS
... proppant scale inhibitor application Delivery System Chemical Delivery System Upstream Oil & Gas inhibitor concentration field trial chemically scale remediation Production Chemistry asphaltene remediation asphaltene inhibition inhibitor porous ceramic proppant placement trial well...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 11–13, 2011
Paper Number: SPE-141145-MS
... inhibition concentration calcium carbonate inhibition time international symposium production chemistry upstream oil & gas brine ppm atmp dynamic tube-blocking test remediation of hydrates inhibitor concentration scale inhibitor marcellus water static inhibition test ppm fe 2...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 11–13, 2011
Paper Number: SPE-141575-MS
... hydrate inhibition asphaltene inhibition concentration ppm sulphonated copolymer inhibitor concentration scale inhibitor assay graham brine inhibitor detection recovery filtration sulphonated polymer calibration curve polymeric scale inhibitor cartridge spe 141575 separation...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 20–22, 2009
Paper Number: SPE-121563-MS
... in Table 1 . Scale inhibitor stock solutions were prepared and neutralized to pH 6. A small volume of scale inhibitor stock solutions were added to the anionic solutions at an inhibitor concentrations of 0.2 to 10 mg/L. Table 1 Scale inhibitors used in this study. Abbreviated Name Active...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 2–4, 2005
Paper Number: SPE-93427-MS
... paraffin remediation brine oilfield chemistry scale formation scale remediation asphaltene inhibition time profile inhibitor concentration scale inhibition Introduction The Kittiwake field, located in the central North Sea, has been in production since the early 1980's. Originally operated...

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