{"title":"A Novel Experimental Method for Mudcake Removal Efficiency of Spacer","authors":"Rui Zheng, Yong Li, Jianzhou Jin, Zi-Shuai Liu","doi":"10.2118/205008-PA","DOIUrl":null,"url":null,"abstract":"Effective removal of mudcake from the wellbore before cementing is critical to developing an excellent bond between cement and formation. The application of spacer can remove mudcake effectively. The evaluation of mudcake removal efficiency is significant to the design of spacer. The methods proposed by scholars have limits on the development of mudcake and the simulation of the flushing process. For this paper, a novel apparatus used to test mudcake removal efficiency was designed. A novel experimental method for mudcake removal efficiency of spacer was proposed. The influence factors of mudcake removal efficiency are discussed. The method can evaluate the flushing efficiency quantitatively and provide guidance for designing of spacer.","PeriodicalId":51165,"journal":{"name":"SPE Drilling & Completion","volume":"1 1","pages":"1-10"},"PeriodicalIF":1.3000,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"SPE Drilling & Completion","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.2118/205008-PA","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, PETROLEUM","Score":null,"Total":0}
引用次数: 2
Abstract
Effective removal of mudcake from the wellbore before cementing is critical to developing an excellent bond between cement and formation. The application of spacer can remove mudcake effectively. The evaluation of mudcake removal efficiency is significant to the design of spacer. The methods proposed by scholars have limits on the development of mudcake and the simulation of the flushing process. For this paper, a novel apparatus used to test mudcake removal efficiency was designed. A novel experimental method for mudcake removal efficiency of spacer was proposed. The influence factors of mudcake removal efficiency are discussed. The method can evaluate the flushing efficiency quantitatively and provide guidance for designing of spacer.
期刊介绍：
Covers horizontal and directional drilling, drilling fluids, bit technology, sand control, perforating, cementing, well control, completions and drilling operations.
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