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Keywords: sulfate
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Journal Articles
SPE Production & Operations (2021)
Paper Number: SPE-200695-PA
Published: 24 March 2021
...Mandhr Al Kalbani; Hatem Al Shabibi; Oleg Ishkov; Duarte Silva; Eric Mackay; Salima Baraka-Lokmane; Pierre Pedenaud Summary Injection of low-sulfate seawater (LSSW) instead of untreated full-sulfate seawater (FSSW) is widely used to mitigate barium sulfate scaling risk at the production wells. LSSW...
Journal Articles
SPE Production & Operations 35 (01): 068–084.
Paper Number: SPE-193575-PA
Published: 17 February 2020
...M. M. Al Kalbani; M. M. Jordan; E. J. Mackay; K. S. Sorbie; L.. Nghiem Summary Barium sulfate (BaSO 4 ) scale is a serious problem that is encountered during oilfield production and has been studied mainly for fields undergoing waterflooding. Chemical enhanced oil recovery (cEOR) processes involve...
Journal Articles
SPE Production & Operations 30 (03): 229–235.
Paper Number: SPE-141400-PA
Published: 18 August 2015
... downhole flowmetering. Strong evidence of the involvement of barium, sulfate, and magnesium ions in reactions, on the basis of the calculations of the relative ion deviations, has been shown for field data. In another case, application of injection-water fraction prompted a re-evaluation of formation-water...
Journal Articles
SPE Production & Operations 30 (01): 26–42.
Paper Number: SPE-169048-PA
Published: 19 February 2015
... reservoir Upstream Oil & Gas composition carbonate co 2 injection water sulfate incremental oil recovery eor process waterflooding PPM salinity seawater Oil Recovery Water injection has been widely used since the early 1950s as a secondary-recovery process for pressure maintenance...
Journal Articles
SPE Production & Operations 23 (03): 404–410.
Paper Number: SPE-118735-PA
Published: 01 August 2008
... 2007 3 4 2008 6 4 2008 1 8 2008 29 4 2007 14 8 2008 2008. Society of Petroleum Engineers Upstream Oil & Gas waterflooding enhanced recovery concentration producer souring operation specification membrane Houston injector corrosion sulfate Injection...
Journal Articles
SPE Production & Operations 21 (04): 467–474.
Paper Number: SPE-92795-PA
Published: 01 November 2006
...-based) [ppm(v)] in the gas phase. Initially nanofiltration to reduce the sulfate level in the seawater was identified to mitigate reservoir souring, but because of the high capital-expenditure (CAPEX) costs, it was dropped and, because there were no other proven mitigation techniques available, it was...
Journal Articles
SPE Production & Operations 18 (03): 200–209.
Paper Number: SPE-84963-PA
Published: 01 August 2003
... corrosion. The most common mineral scales are sulfate- and carbonate-based minerals. However, scale problems are not limited to these minerals, and there recently have been reports of unusual scale types, such as zinc and lead sulfide. This paper focuses on zinc sulfide scale that has been found in several...
Journal Articles
SPE Production & Operations 9 (03): 183–187.
Paper Number: SPE-26396-PA
Published: 01 August 1994
... established to the pit. Bio-oxidation of sulfide to elemental sulfur and sulfate was immediate and complete. Subsequent pilot operations focused on process optimization and process sensitivity to system upsets. The process appeared most sensitive to large variations in sulfide loading owing to maximum water...
Journal Articles
SPE Production & Operations 9 (01): 47–54.
Paper Number: SPE-21710-PA
Published: 01 February 1994
... in the oil field, are compared and contrasted relative to calcium carbonate scale. New saturation indices for barium, strontium, and calcium sulfate scale formation are introduced and discussed, along with an updated version of the Oddo-Tomson calcium carbonate index. An updated version of the CaC03...
Journal Articles
SPE Production & Operations 7 (02): 186–192.
Paper Number: SPE-20894-PA
Published: 01 May 1992
... several facets of scale occurrence and control for a developing North Sea field characterized by a high-salinity, high-barium (up to 1,000 ppm)formation brine. The results justify consideration of new technologies, such astreatment of the seawater to reduce the sulfate content. Introduction Scaling is a...
Journal Articles
SPE Production & Operations 6 (01): 63–72.
Paper Number: SPE-18484-PA
Published: 01 February 1991
...M.D. Yuan; A.C. Todd Summary. This paper presents a model for predicting the scaling tendenciesof barium, strontium, and calcium sulfates resulting from the mixing ofinjected and formation waters and from temperature and pressure effects. The model also predicts competitive simultaneous...
Journal Articles
SPE Production & Operations 5 (04): 448–454.
Paper Number: SPE-19764-PA
Published: 01 November 1990
... single laboratory test can determine the best scale inhibitor. This paper, however, discusses an approach for examining the sulfate-scale-inhibition efficiency with a reference to field experience for both down-hole and topside treatments. Introduction Scaling problems encountered and their severity...

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