Trepano Tricono SMITH 12.25 BF04BODVPS Tricono Datasheet19930

Gemini TCI 121/4inGF04BODVCPSTCI FEATURES

(311.15mm)ID:0060118090 IADC:417X

Spinodal2bearingwith silverplatedcomponents ensureslongerrunsat higherROP.Thisproprietary materialoffersmaximum wearresistanceand withstandsextremeload forcesforlongerperiods thanconventionalbearing materials.

TheGeminiDynamicTwinSealSyst TheGeminiDynamicTwinSealSystemistheindustry emistheindustryleaderindurabilityand leaderindurabilityand reliability.Offeringtwopreciselyconfigured reliability.Offeringtwopreciselyconfiguredsealswithextraordinary sealswithextraordinarymaterial material properties,Geminibitsdeliverconsistent properties,Geminibits deliverconsistentperformanceoverlong performanceoverlongrunintervals. runintervals.

Specifications Bearing Type Seal Type

Spinodal* 2 Bearing w/Silver Plated Components Gemini™ Twin Seal System

Bit Connection Type

6 5/8 Reg

Rows

Total: 10

Inner: 7

Inserts/Teeth

Total: 71

Inner: 38

Gage: 3 Gage: 33

OperatingParameters Weight on Bit

Rotary Speed (RPM)

15,000 To 60,000 (lbf) 6,818To27,270(daN) 7To27(Tonnes) 280 To 50

Recommended Make-up Torque

28,000 To 32,000 ft/lbs

Operatingparametersaretypicalranges.Pleasecontacty Operatingparametersaretypicalranges.P leasecontactyourSmithBits ourSmithBits representativeforrecommendationsforyourindividualwell.

TheGeminitwinsealsystem consistsofaprimaryseal whichprotectsthebearing, andasecondarysealthat protectstheprimaryseal. Thisdualsealsystemwill performreliablyforextended periodsoftimeinhighRPM, heavierWOB,highmud weightandseveredogleg applications. Diamondenhancedheel insertsmaintaingaugein abrasive,hardformation drillingandsignificantly increaseconedurability. Thisfeatureextendsbitlife andensuresthatafullgauge holeisdrilled. TheV-Rampseal'sunique designdistributescontact pressureoverawider contactareaensuringa moreconsistenttrackonthe bitleg.Thisresultsin extendedseallifewhich allowsthebittostayinthe holelongeranddrillmore footage. TheCenterJetmaximizes fluidflow,andincreases ROPbycleaningthebit moreeffectivelyand reducingbitballing. ThePSfeatureoffers strategicallyplacedclusters ofsemi-roundtop(SRT) shapedcarbideinsertsthat maximizelegprotection, preventbitwear,and substantiallyincreasebitlife inabrasiveformations.

*MarkofSchlumberger Copyright©2018Schlumberger.AllRightsReserved. Date:05/05/2016DatasheetID:19930

Theproprietarygeometryof therelievedgaugechisel insertincorporatesan aggressiveleadingedgethat efficientlycutsgaugeanda www.slb.com/gemini generouslycontoured, relievedtrailingsidethat mitigatesthetensilestresses