气制油合成基钻井液流变性能影响评价
针对气制油合成基钻井液体系流变性的调控问题,研究了对其流变性影响的因素。实验结果表明：乳化剂应适量,不足或过量都会对体系流变性产生一定影响;有机土、增粘提切剂、油水比和温度是合成基钻井液流变性的主要影响因素。为了获得合适的流变性,一定要控制好有机土的加量,对于未加重体系,有机土加量可适当提高3%～4%（w）;而对于加重体系,有机土加量应控制在1.5%～3%（w）;随着合成基钻井液中含水量的增加,体系塑性粘度和动切力明显增大。增粘提切剂和温度对合成基钻井液粘切都有很大影响,增粘提切剂的加量应控制在1%以下,高温时可适当加入抗温剂。...
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| Published in | 石油与天然气化工 Vol. 42; no. 1; pp. 53 - 57 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
胜利石油管理局钻井工程技术公司
2013
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1007-3426 |
| DOI | 10.3969/j.issn.1007-3426.2013.01.012 |
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| Summary: | 针对气制油合成基钻井液体系流变性的调控问题,研究了对其流变性影响的因素。实验结果表明：乳化剂应适量,不足或过量都会对体系流变性产生一定影响;有机土、增粘提切剂、油水比和温度是合成基钻井液流变性的主要影响因素。为了获得合适的流变性,一定要控制好有机土的加量,对于未加重体系,有机土加量可适当提高3%～4%（w）;而对于加重体系,有机土加量应控制在1.5%～3%（w）;随着合成基钻井液中含水量的增加,体系塑性粘度和动切力明显增大。增粘提切剂和温度对合成基钻井液粘切都有很大影响,增粘提切剂的加量应控制在1%以下,高温时可适当加入抗温剂。 |
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| Bibliography: | 51-1210/TE In view of rheology control problem for gas-to-liquid（GTL） based drilling fluid system,the influence of various factors on the rheological properties was studied.The results showed that the amount of emulsifier employed should be moderate,i.e.,insufficient or excessive quantity will have a certain impact on the rheological properties.Further,organic clay,viscosifier,oil/water ratio and temperature are the main factors affecting the synthetic drilling fluid rheology.The organic clay content of 3%~4% is appropriate to a non-weighting drilling fluid,while 1.5%~3% content is desirable to a weighting drilling fluid.Usually the greater the density is,the smaller the amount of the organic clay is.The plastic viscosity and yield stress of a drilling fluid can be significantly increased with an increase of water content.Viscosifier and temperature have great influences on the viscosity and gels.Viscosifier dosage should be less than 1%,and a proper temperature resistant agent should be added at high temperat |
| ISSN: | 1007-3426 |
| DOI: | 10.3969/j.issn.1007-3426.2013.01.012 |