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首页> 外文期刊>Journal of Petroleum & Environmental Biotechnology >Comparative Study of Local Cements with Imported Class G Cement at Different Temperatures for Oil Well Cementing Operations in Ghana
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Comparative Study of Local Cements with Imported Class G Cement at Different Temperatures for Oil Well Cementing Operations in Ghana

机译：加纳油井固井作业中不同温度进口G级水泥局部水泥的对比研究

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The purpose of this research is to determine the suitability of local cements as an alternative to imported class G cement at different temperatures using oil well cement additives. Laboratory investigations on both local and imported cements to determine physical properties such as thickening time, fluid loss, compressive strength, free fluid and rheology were conducted at bottom hole circulating temperature of 27°C (80°F) and 66°C (150°F). The results indicated that locally manufactured cements are compatible with oil well cement additives at 80°F and 150°F and can be used as an alternative to imported class G cement in oil and gas well cementing operations. However, premature gelations of test results were phenomenal at 66°C (150°F) for the entire locally manufactured cements especially sample CEM B. Therefore, for local cements to be used effectively for cementing high temperature operations, stringent quality control during their manufacturing process is imperative.
机译：本研究的目的是确定使用油井水泥添加剂在不同温度下替代进口G级水泥的当地水泥的适用性。在27°C（80°F）和66°C（150°C）的井底循环温度下，对本地和进口水泥进行了实验室研究，以确定物理性能，如增稠时间，流体损失，抗压强度，自由流体和流变性。 F）。结果表明，本地生产的水泥与80°F和150°F的油井水泥添加剂兼容，可以在油气井固井作业中替代进口的G级水泥。但是，对于整个本地制造的水泥，特别是样品CEM B，在66°C（150°F）时，测试结果会出现过早的胶凝现象。因此，要使本地水泥有效地用于高温作业，必须在制造过程中严格控制质量流程势在必行。

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