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Keywords: sulphate
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Proceedings Papers

Paper presented at the SPE Offshore Europe, September 3–6, 1991
Paper Number: SPE-23141-MS
... words, direct thermochemical reduction of sulphate from seawater; maturation of sulphur-containing organic matter; dissolution of sulphide minerals, such as pyrrhotite, in acidic water; reduction of FeS 2 (pyrite or marcasite) followed by (c); conversion of injected sulphite, which...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 8–11, 1987
Paper Number: SPE-16540-MS
... inhibition crystal growth sulphate upstream oil & gas scale remediation INTRODUCTION Scale formation is normally associated with the deposition of unwanted solid materials on a surface and typically with precipitates of compounds such as calcium carbonate, calcium sulphate, barium sulphate...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 8–11, 1987
Paper Number: SPE-16539-MS
... ABSTRACT The formation water of the Murchison reservoir has a natural scaling potential. As pressure reduces from reservoir conditions carbonate scaling can occur. Also the water has a barium and strontium content so that when injected seawater broke through to the producing wells sulphate...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 10–13, 1985
Paper Number: SPE-14007-MS
... injection water oilfield chemistry installation sulphate bacteria high-output uv lamp upstream oil & gas uv lamp disinfection flowrate production chemistry enhanced recovery sterilization flow rate society of petroleum engineers inhibitor mineral ultra-violet disinfection ultraviolet...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 10–13, 1985
Paper Number: SPE-14010-MS
... in this industry are the carbonate and sulphate salts of calcium, barium and strontium which can be encountered from the reservoir rock itself all the way through the complete process train to the oil exporting system. It can therefore be appreciated that considerable decreases in efficiency of equipment...

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