STUDY ON THE APPROACH OF H2S RELEASED FROM DEGRADED SULFONATED POLYMER OF DRILLING MUD CONDITIONING AGENT

Guo Shengwu; Chen Zhixin; Han Yong

doi:10.3969/j.issn.1000-7393.1999.05.010

Guo Shengwu, Chen Zhixin, Han Yong. STUDY ON THE APPROACH OF H2S RELEASED FROM DEGRADED SULFONATED POLYMER OF DRILLING MUD CONDITIONING AGENT[J]. Oil Drilling & Production Technology, 1999, 21(5): 42-44,52. DOI: 10.3969/j.issn.1000-7393.1999.05.010

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STUDY ON THE APPROACH OF H2S RELEASED FROM DEGRADED SULFONATED POLYMER OF DRILLING MUD CONDITIONING AGENT

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At high temperature or SRB or electrolytic action,the sulfonated high molecular compound of water-based drilling mud conditioning agent is degraded releasing out H2S.The corrosion products are Fe9S8 at room temperature,and FeS when temperature is above 60℃.The derived H2S is also hazardous to the drilling string and casing,and may reduce the performance of drilling mud.

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STUDY ON THE APPROACH OF H2S RELEASED FROM DEGRADED SULFONATED POLYMER OF DRILLING MUD CONDITIONING AGENT

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