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一種油基鉆井液增粘劑劑的合成與性能評價(已修改)

2025-05-27 23:31 本頁面
 

【正文】 本科畢業(yè)設計(論文)題目一種油基鉆井液增粘劑劑的合成與性能評價學生姓名孫沖學 號0904010228教學院系化學化工學院專業(yè)年級2009級化學指導教師張瑞職 稱副教授單  位西南石油大學化學化工學院輔導教師職 稱單  位完成日期 2013 年 6 月 10 日Southwest Petroleum University Graduation Thesis The synthesis of an oilbased drilling fluid thickener agent and performance evaluationGrade: 2009Name: Sun ChongSpeciality: ChemistryInstructor: Zhang RuiSchool of Chemistry and Chemical Engineering20136摘要對大位移、大斜度、水平井、高溫高壓以及各種敏感性地層,油基泥漿表現(xiàn)出很好的潤滑、抑制和地層保護能力,以及容許污染物和固相的存在,抗污染能力強等優(yōu)點;但油基泥漿在使用過程中存在對鉆井液的黏度控制較為困難的問題,其低剪切速下的黏度值較低,不利于懸浮和攜帶鉆屑,特別是在大斜度、大位移和水平井中。國內(nèi)為了解決油基鉆井液的懸浮問題,一般是加入大量的親油膠體,但這將會導致塑性黏度也隨之增加。目前,國外鉆井液公司是在油基鉆井液中加入特殊的增黏劑,其效果是加量少、提高切力幅度大,并且對塑性黏度的影響較小。針對這一問題,本文研究設計了一種增黏材料,以GMA(甲基丙烯酸縮水甘油酯)接枝SEBS,通過改善油基鉆井液的流變性來提高其懸浮鉆屑能力。確定了最佳反應條件是:質(zhì)量比BPO∶GMA∶SEBS=1∶10∶30,甲苯為70mL,反應溫度為70℃;%關鍵詞:增粘劑;流變性;油基鉆井液;傅立葉紅外光譜儀AbstractFor large displacement, high angle, horizontal wells, and a variety of high temperature and pressure sensitive formations, oilbased mud showed good lubrication, suppression and formation protection, and to allow the presence of pollutants and solid, strong antipollution etc.。 but oilbased mud in the course of the existence of the drilling fluid viscosity control more difficult problems, the low shear rate viscosity value is lower, is not conducive to suspension and carry cuttings, especially in highangle, large displacement and horizontal wells. Domestic oilbased drilling fluid in order to solve the problem suspension, adding a large number of generally lipophilic gel, but this will cause the plastic viscosity increases.At present, foreign panies in oilbase drilling fluid by adding a special thickening agent, and its effect is to add
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