通道压裂：致密气增产模式的转变.pptx

Channel Fracturing:A Paradigm Shift in Tight Gas StimulationInnovationfor a Step-Changein Conductivity HiWAY Incrementalimprovements in: ? Fluid technology (gel loading, polymer-free) ? Proppants (size,mesh, strength) ? Breaker(oxidizer,encapsulated,enzymes)FractureConductivityTheoretical 2010-2011 maximum1947ChannelFracturing TechniqueChannelfracturingChannelfracturingThe channel fracturing technique engineersstable flow channels into the proppant packenabling infinite flow capacity…Hydrocarbonnow flows through the channelsformed, rather than through a homogenousproppantpack..Providessuperiorwellperformance:????Significantly higher fracture conductivityImproved fracture clean-upLonger effective fracture half lengthsLowerpressuredrop along the fracChannelfracturingChannelfracturingHiWAY is Applicable in a Broad Range of Reservoirs? Oil,condensate-richandgaswells? Competentrock –Sandstone/carbonate/shale(E/sMIN 275)? Requiresthe use ofviscousfluids? Casedhole,openhole,verticalandhorizontalwells? BHST 345 oF ( 174+ oC)Designand Execution? Engineeredcandidateselection? Designvia FracCADE*HiWAY module? Thoroughpeer reviews anddesigncertification? Optimizedprocess controlusingSLB standardfracturingequipment8Designand Execution? Engineeredcandidateselection? Designvia FracCADE*HiWAY module? Thoroughpeer reviews anddesigncertification? Optimizedprocess controlusingSLB standardfracturingequipment9Designand Execution? Engineeredcandidateselection? Designvia FracCADE*HiWAY module? Thoroughpeer reviews anddesigncertification? Optimizedprocess controlusingSLB standardfracturingequipment10Job Execution – From ConceptTo Reality Schematicpump schedule Conventional HiWAY Pad TimeSand ConcentrationCleanFluid(clean)pulseProppant(dirty) pulseCycleTail-instageJob Execution – From ConceptTo Reality Actualpump schedulein typical HiWAY job600480360240120 0543210Sand Concentration, kg added/m3Sand Concentration, PPA11:39:4311:46:2311:53:0311:59:43HiWAY:Extensive Worldwide Experience10,000