Comparative analysis of the efficacies of ferrous gluconate and synthetic magnetite as sulphide scavengers in oil and gas drilling operations

M. K. Amosa; I.A. Mohammed; S.A. Yaro; A.O. Arinkoola; G.O. Azeez

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Comparative analysis of the efficacies of ferrous gluconate and synthetic magnetite as sulphide scavengers in oil and gas drilling operations

机译：葡萄糖酸亚铁和合成磁铁矿作为硫化物清除剂在石油和天然气钻井作业中的功效对比分析

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Two environmentally safe iron compounds (synthetic magnetite and ferrous gluconate) have been evaluated as sulphide scavengers at temperature conditions of 25 ℃, 35 ℃, 45 ℃ and 55 ℃ at pH of 12 in a sulphide-contaminated drilling mud. The ferrous complex was found to be a better scavenger than synthetic magnetite. It exhibited 100 % scavenging efficiency within the first 40 minutes of agitation. The same concentration of the reagents, which is 700 mg/l scavenger vs. 700 mg/l sulphide, was employed (i.e. sulphide concentration to scavenger concentration ratio was 1:1). Whereas, the synthetic magnetite's scavenging efficiency was only about 30% even after 2 hours of agitation. Addition of the ferrous complex to the drilling mud was not found to be detrimental to the rheological properties of the mud. Its inclusion brought about the stabilization of mud's rheological properties.

机译：在25℃，35℃，45℃和55℃，pH值为12的硫化物污染的钻探泥浆中，两种环境安全的铁化合物（合成磁铁矿和葡萄糖酸亚铁）已被评估为硫化物清除剂。发现亚铁配合物比合成磁铁矿更好。在搅拌的前40分钟内，它表现出100％的清除效率。使用相同浓度的试剂，即700毫克/升的清除剂与700毫克/升的硫化物（即，硫化物浓度与清除剂的浓度比为1：1）。然而，即使搅拌2小时，合成磁铁矿的清除效率也仅为约30％。未发现将铁络合物添加到钻井泥浆中对泥浆的流变性质有害。它的加入带来了泥浆流变性能的稳定。

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来源
《Nafta》 |2010年第3期|117-127|共11页
作者
M. K. Amosa; I.A. Mohammed; S.A. Yaro; A.O. Arinkoola; G.O. Azeez;
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作者单位

Department of Chemical Engineering, Ahmadu Bello University, Zaria, Nigeria;

Department of Chemical Engineering, Ahmadu Bello University, Zaria, Nigeria;

Department of Metallurgical and Materials Engineering, Ahmadu Bello University, Zaria, Nigeria;

Department of Chemical Engineering, Ladoke Akintola University of Technology, Ogbomoso, Nigeria;

Chemistry Unit, Science Laboratory Technology Department, The Polytechnic, Ibadan, Nigeria;

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正文语种 eng
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drilling fluids; environmentally friendly; ferrous gluconate; sulphide scavengers and synthetic magnetite;

机译：钻井液;环保的葡萄糖酸亚铁硫化物清除剂和合成磁铁矿;

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Comparative analysis of the efficacies of ferrous gluconate and synthetic magnetite as sulphide scavengers in oil and gas drilling operations

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