SLNR纳米乳液在高难度浅层大位移水平井的应用  

Application of SLNR Nanometer Emulsion Liquid in Long Displacement Horizontal Wells

作　　者：司贤群[1] 吕振华[1] 

机构地区：[1]胜利石油管理局钻井泥浆公司

出　　处：《钻井液与完井液》2006年第3期74-76,共3页Drilling Fluid & Completion Fluid

摘　　要：垦东405-平1井是胜利油田沿海地区的一口浅层大位移水平井,完钻斜深为2888.86 m,井底垂深为1186.40 m,水平位移为2073.46 m,位移与垂深比为1.74∶1,是目前胜利油田位移垂深比最大的一口大位移水平井。由于该井是在浅层易造浆地层实施的一口大位移井,造斜段、稳斜段和水平段钻井施工难度非常大、风险高,对钻井液质量提出了更高的要求。根据该井的地层特点,结合室内实验,首次使用了抑制和润滑效果好的新型处理剂———纳米乳液,成功地完成了这口大位移延伸水平井的施工,并取得了良好的油气显示效果。完钻时该井水平段长952.16 m,油层厚度为604.00 m,初步投产射孔井段为257.3 m时,日产油48 t。Well KD-P1 is a large displacement horizontal well in the shallow formations in the coastal area of Shengli Oilfield.Its total depth is 2888.86 m,vertical depth is 1186.40 m,bottom horizontal displacement is 2073.46 m and its ratio of bottom displacement over vertical depth is 1.74 that represents a new record in Shengli Oilfield.As the deflecting,angle maintaining and horizontal segments were all in the shallow soft formations,so severe engineering difficulty and risk may indispensably be encountered and this brought up strict requirements to the drilling fluid technology.A new type nanometer emulsion liquid with good inhibitive and lubricating effect developed recently was applied in this well that ensured its smooth and successful accomplishment.

关 键 词：水基钻井液 纳米乳液 润滑性 抑制性 水平井 大位移井 

分 类 号：TE254.3[石油与天然气工程—油气井工程]