塔河油田“井工厂”大位移井组优快钻井技术

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中图分类号：TE243 文献标志码：A 文章编号：1000-7393（2025）-04-0416-0

Abstract：Duringthe process ofdevelopingcarbonatereservoirs innaturereservesusing "fromtheoutertotheiner"extendedreach clusterhorzontalwels，suchhallegesaslitedwelliteapronefmationleakagendllediclt tetootrol， andlargefrictionandtorquearegenrallyfaced，esultinginloweficiencyandlongcycleidirectionaldrlingoperatios.T addressteseissues，onthebasisofmbiedwel-seismictchologyandfour-presureprofileanalysis，raight-leclusterwels andafour-stage welborestructurewithhigh-levelsidetracking weredesignedtoefectivelyavoidorisolatecomplex fomatios.To solvethe leakageandcolapse，atailoreddeformationorrigidparticlesaling fomulacompatible withoil-baseddrillngfluidwas selected，whichicreasedteindoorbaringcapacitytenfold.Aimingattedificultyintrajectorycontrol，seven-segmetprofile design and rotary steering speed-up process were adopted， achieving a 100% target accuracy within a radius no more than 3O meters. Toimprovetheuttngcaryingecytheow-viscosityndigh-yiel-pointperfomanceofdrillngfuidwasoized，nd "large andsmallwelborerule"wasutilizedtoquantitativelyadjust therotaryspeedandsix-speedreadings，reducingthefrictional torque by 48% .Ultimately，anoptimalandfastdrillingtechnologysystemcenteredonimprovingdirectionaldrillingeffciencyand reducingfrictionandresistancewasformed.Thistechnologywasapliedin12wels，shorteningtheaveragedrillngcycleby26 days.The actual driling data show that the horizontal displacement of Δ0149.2mm borehoe achieved 3，473.5m ，and the depth reached 9，432.6m ，which present the leading onshore horizontal well at home.

Keywords：extendedreach well;luster well;optimal&fastdriling;trajetorycontrol; frictionandtorque;rotarysteg;Tahe Oilfield

0 引言

塔河油田红线区域内有水库、沙漠公园和生态环境保护区[1]，油气资源储量丰富，由于自然保护区内禁止施工，需要在红线区外部部署大位移丛式井进行开发。（剩余12085字）