The Status Quo of the Standards of Organophilic Clays for Oil Base Drilling Fluids and Discussion Thereof
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摘要: 通过对收集的24个有机土标准进行统计分析,对标准中设定的检测项目进行考察,对比了不同的检测项目在24个标准中出现的频率,其中外观、水分、筛余、胶体率、表观黏度、塑性黏度、动切力指标出现频率高于60%。结合文献资料和油基钻井液施工过程中的实际情况,着重指出了目前有机土标准中存在的6个问题,详细论述了问题存在的原因及解决办法,对有机土标准的制定提出了建议。Abstract: Studies were conducted on the testing items in 24 standards of organophilic clays. It was found that the frequency of occurrence of those items such as appearance, moisture, screening residue (particle sizes greater than a specified value), ratio of colloid, apparent viscosity, plastic viscosity and yield point is more than 60%. It is pointed, based on the investigation of relative literature and field operation with oil base drilling fluids, that there are 6 problems in the standards that need to be addressed. This paper discusses in detail the cause of the problems and the methods of solving these problems. Advices to the formulation of the standards of the organophilic clays are also presented.
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Key words:
- Oil base drilling fluid /
- Organophilic clay /
- Standard /
- White oil /
- Diesel oil
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