逆循环椭圆力激振自同步钻井液振动筛研制.docx

第32卷第2期

石油钻采工艺

Vol.32No.2

2010年3月

OILDRILLINGPRODUCTIONTECHNOLOGY

Mar.2010

文章编号：1000-7393(2010)02-0089-04

逆循环椭圆力激振自同步钻井液振动筛研制

王宗明王瑞和史凌2黄德辉2

(1.中国石油大学，山东东营257061;2.渤海钻探井下技术服务公司，天津300280)

摘要：利用自同步原理，采用逆循环椭圆力激振，设计了一种自同步平衡椭圆运动钻井液振动筛。该振动筛采用较小振幅，选用特制弹性元件，并设有多功能缓冲箱、筛网限位板、防短路挡板、防溅挡板等专用机构。现场应用表明，逆循环椭圆力激振可以有效诱导颗粒团聚，使筛面有自清洁作用，减少筛糊和颗粒透筛现象，明显改善固控质量，处理量比同规格直线振动筛高30%以上。该筛具有设计新颖、运转平稳、椭圆精度高、处理量大、排屑干度高、筛网使用寿命长、噪音低等优点，具有较大的推广应用价值。

关键词：逆循环椭圆力；自同步；平衡椭圆运动；钻井液振动筛；现场应用

中图分类号：TE928文献标识码：A

Developmentandapplicationofaself-synchronizationandbalancedellipticalmotionshaleshakerexcitedbybackwardellipticalvibratingforces

WANGZongming,WANGRuihe,SHILing?,HUANGDehui2

(1.ChinaUniversiryofPeroleum,Dongving257061,China;2.DownholeTechnologyServiceCompany,BHDC,Tianjin300280,China)

Abstract:Employingbackwardellipticalvibratingforces,anewtypeofaself-synchronizationandbalancedellipticalmotionshaleshakerisdeveloped.Thisshaleshakeremploystheprincipleofself-synchronizationandtheconceptofsmallamplitudeandhighfrequency.Theoptimumbalancedellipticalmotionisobtained.Andtheshaleshakerischaracterizedbythespecialcompositespring,themultifunctionalbufferingbox,theheightlimitplateofscreenend,thebaffleboardtopreventshortcircuitandthefrontsplashshield.Fieldapplicationshowsthatusingthebackwardelipticalvibratingforcesmoreparticleclusterscanbeformed,andthescreencanbecleanedbytheparticlecluster.Soscreenblindingandparticlepenetrationcanbereduced.Comparedwithlinearshakerswiththesamesizetheflowcapacitycouldbeincreasedbymorethan30%.Andtheshaleshakercangreatlyimprovethequalityofsolidcontrolwithitssteadyrunning,moreexactlybalancedllipticalmotion,largeflowcapacity,moredrycuttings,longscreenlifeandlownoise.

Keywords:backwardellipticalvibratingforces;self-synchronization;balancedelliptical