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08659 THPS: A Holistic Approach to Treating Sour Systems

Picture for 08659 THPS: A Holistic Approach to Treating Sour Systems
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Product Number: 51300-08659-SG
ISBN: 08659 2008 CP
Author: Chris R. Jones, Gareth Collins, Brian L. Downward, and Kansas Hernandez
Publication Date: 2008
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$20.00
$20.00
The production of hydrogen sulfide within oilfield systems can result in severe operational and health and safety issues. Hydrogen sulfide can be produced by both abiotic (chemical) or biotic (microbiological) mechanisms. Biotically produced hydrogen sulfide is caused by the proliferation of sulfate reducing bacteria (SRB) and successful treatment programmes need to target both the causative organism and remove or mitigate the secondary effects of SRB activity, i.e. iron sulfide deposition and particulate stabilised emulsions. This paper will describe the use of THPS and, in particular, new generation THPS formulations, as a holistic approach for treating sour systems by controlling SRB, dissolving iron sulfide deposits and removing particulate iron sulfide from produced fluids to facilitate demulsification processes.
The production of hydrogen sulfide within oilfield systems can result in severe operational and health and safety issues. Hydrogen sulfide can be produced by both abiotic (chemical) or biotic (microbiological) mechanisms. Biotically produced hydrogen sulfide is caused by the proliferation of sulfate reducing bacteria (SRB) and successful treatment programmes need to target both the causative organism and remove or mitigate the secondary effects of SRB activity, i.e. iron sulfide deposition and particulate stabilised emulsions. This paper will describe the use of THPS and, in particular, new generation THPS formulations, as a holistic approach for treating sour systems by controlling SRB, dissolving iron sulfide deposits and removing particulate iron sulfide from produced fluids to facilitate demulsification processes.
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Picture for 02030 (THPS) FOR DISSOLVING IRON SULFIDES...
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02030 TETRAKISHYDROXYMETHYLPHOSPHONIUM SULFATE (THPS) FOR DISSOLVING IRON SULFIDES DOWNHOLE AND TOPSIDE - A STUDY OF THE CHEMISTRY INFLUENCING DISSOLUTION

Product Number: 51300-02030-SG
ISBN: 02030 2002 CP
Author: Paul D Gilbert, Jason M Grech, Robert E Talbot, Malcolm A Veale, and Kansas A Hernandez
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Recently, it has become apparent that THPS, often used as a biocide in oilfield operations, also dissolves iron sulfide scales. The chemistry of this process is reviewed and a study of iron sulfide dissolution, over a range of conditions, is reported.
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