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Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200669-MS
... scale precipitation phosphonate 4 scale inhibitor inhibition performance ppm differential pressure incumbent product new product inhibitor chemistry Calcium carbonate, also known as calcite or aragonite, is one of the most common mineral scales operators encounter in oilfields. Under...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200705-MS
... the synthetic formation brine and seawater. After the solutions were prepared, they were filtered by 0.45μm filter paper to remove impurity. Table 1 Compositions of synthetic formation brine and seawater Component Formation Brine, ppm Seawater, ppm Na + 25000 15000 Ba 2+ 400 0...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200671-MS
... are run in the absence of inhibitor, although this might not be necessary. Inhibitors (phosphonates, carboxylates, phosphate ester, sulfonates and polymers) as listed in Table1 are then evaluated at their various concentrations (0.12-20 ppm) to observe the length of protection time. The new mCSTR...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200693-MS
...+ : 4.89 ppm; Zn 2+ : 5.6 ppm; H 2 S: 250 ppm; pH: 7.5 Inhibitor Conditions 250 ppm 500 ppm 750 ppm 1,000 ppm Product A Initial without H 2 S Cloudy Cloudy Cloudy Cloudy Initial with H2S Cloudy Cloudy Cloudy Cloudy 2 hours Precipitate Precipitate Precipitate...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 24–25, 2020
Paper Number: SPE-200695-MS
... remediation of hydrates reservoir characterization water management hydrate remediation flow in porous media waterflooding fluid dynamics brine ppm production monitoring reservoir surveillance production chemistry asphaltene remediation asphaltene inhibition precipitation permeability layer...
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-190728-MS
... levels of dissolved iron, with typical ferrous iron concentrations ranging from a few ppm to several hundred ppm. The presence of iron can cause issues in production, one problem being a detrimental effect on the performance of scale inhibitors. The aim of this work was to investigate scale inhibitor...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 14–15, 2014
Paper Number: SPE-169805-MS
... testing. Successful scale inhibitor implementations in the field applications and case history are also presented in this paper. wax remediation wax inhibition water management oilfield chemistry paraffin remediation Hydrate Remediation scale inhibition fresh water PPM high-salinity brine...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 14–15, 2014
Paper Number: SPE-169808-MS
... Figure 2a Dynamic-scale loop equipment Figure 2b Scale loop set up Fe 2+ (500 ppm) and stoichiometric equivalent S 2- and HS - in the form of Na 2 S.9H 2 O and NaHS.H 2 O respectively, were each prepared under nitrogen in 50 gL -1 pH 7 NaCl solution. FeCl 2 .4H 2 O (10...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 14–15, 2014
Paper Number: SPE-169797-MS
... application Cuvette PPM synthetic brine detection residual monitoring Recent work has focused on improving the detectability of residual scale inhibitor concentrations in produced water streams through either tagging of inhibitor molecule ( Todd et al. 2012 , Poynton et al. 2012 , Kerr et al...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 30–31, 2012
Paper Number: SPE-155110-MS
... asphaltene remediation remediation of hydrates hydrate remediation hydrate inhibition asphaltene inhibition concentration flow rate post flush acid wash scale inhibitor main treatment brine ppm experiment scale remediation production chemistry upstream oil & gas adsorption nffw si...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 30–31, 2012
Paper Number: SPE-155039-MS
... Ion Geothermal Brine Concentration (ppm) Test Brine #1 Concentration (ppm) Test Brine #2 Concentration (ppm) Test Brine #3 Concentration (ppm) Chloride 139,315 14,200 139,315 139,315 Sulphate 60 0 Barium 155 155 Calcium 24,866 8,000 24,866 Magnesium 37...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 30–31, 2012
Paper Number: SPE-155109-MS
... concentration paraffin remediation precipitation apparent adsorption ppm pure adsorption kaolinite siderite omthp experiment filtration process hydrate remediation hydrate inhibition upstream oil & gas adsorption scale inhibitor precipitate filter paper adsorption precipitation static...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 30–31, 2012
Paper Number: SPE-155112-MS
... production chemistry scale inhibition remediation of hydrates stage only permeability contrast ppm flowback squeeze lifetime inhibitor operation scale inhibitor concentration frac and pack wax inhibition hydraulic fracturing radial flowback radial injection injection scenario stimulation...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 30–31, 2012
Paper Number: SPE-155235-MS
... at laboratory studies. oilfield chemistry upstream oil & gas inhibitor possible interaction flow assurance well integrity concentration selection phosphino carboxylic acid anti-corrosion product production chemistry corrosion inhibitor ppm scale inhibitor anti-scale efficiency...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 30–31, 2012
Paper Number: SPE-156019-MS
... montmorillonite ppm experiment interaction rock formation retention squeeze treatment This study investigated how nitrilo-tris methylene-phosphonic acid (NTMP) as a model scale inhibitor interacts with three different types of clays. The intention of this work is to understand the scale inhibitor...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 26–27, 2010
Paper Number: SPE-130463-MS
... in the Gulf of Mexico, offshore West Africa and Brazil. This case study is a good example of lessons learned and sharing of best practice from another oil basin. wax inhibition combination product production chemistry inhibitor injection scale inhibition ppm remediation of hydrates asphaltene...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 26–27, 2010
Paper Number: SPE-130733-MS
... detpmp paraffin remediation test temperature ppm production chemistry concentration upstream oil & gas wax inhibition inhibition efficiency asphaltene remediation polymeric scale inhibitor hydrate remediation inhibitor permeability wax remediation new p-tagged sulphonated copolymer...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 26–27, 2010
Paper Number: SPE-131100-MS
...), there are a number of known difficulties when assaying residual ppm and sub ppm levels of sulphonated polymers where separation of the inhibitor from the brine phase can be a time consuming, labour intensive and often difficult operation. This paper describes a number of recent developments made to enable rapid...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Scale, May 26–27, 2010
Paper Number: SPE-130506-MS
... acidic demulsifier, which should reduce corrosion and by-product scaling caused by the incumbent. emulsion acid demulsifier naphthenic acid ppm spe 130506 carboxylic acid non-acid demulsifier dosage injection demulsifier sodium soap emulsion alkyl benzoic acid society of petroleum...

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