TCI Трехшарошечное бит

HejianHuanyuPetroleumMachineryCo.,Ltd.specializesindrillbits,drillpipe,Mudpumpand stabilizersforwaterwell,oilfield,construction,geothermal,directionalboring,andunderground foundationworkallovertheworld.Ourpurposeistosellthebestqualityproductsatthelowest possibleprice.Weareaprofessionalsupplierofnewandused(rebuilt)drillbitsusedforoilfiled,waterwell.Includingtriconebits,PDCbitsanddrillpipe.Variousof modelanddimensionavailable.Goodconditionandreasonableprice. ProductDescription 114-117, SoftFormationToothBits The114-117bitsareusedtodrilllow-compressivestrength,softformation.Longprojectiontoothlengthsareusedonhighoffsetconesto providethegreatestpenetrationratespossible.Wear-resistanthardfacingisusedtocontroltoothwear.Onthesoftestbitstypethishardfacing completelycoversthebitteeth. 127 Medium-HardFormationToothBits The127bitsareusedtodrillhigh-compressivestrength,mediumhardformations.Shortprojectionteethwithreducedcrestlength areusedinthisseriesofbitdesigns.Durablehardfacingisappliedtoreducetoothwear. 437 SoftFormationTCITriconeBits The437TCIbitsareusedtodrilllowcompressivestrength,verysoftformations.TCIbitsmaximize theuseofbothconicalandchiseltungstencarbideinsertsoflargediametersandhighprojection. Thiscuttingstructuredesign,combinedwithmaximumconeoffset,resultinhighbitpenetratione rates.Thedeepintermeshofcutterrowspreventsbitbailinginstickyformations. Size BitType In. mm 6 152.4 517G,537G,617G,637G 61/2 165.1 517G,537G 77/8 200.0 517G,527G,547G,617G,627G,637G 81/2 215.9 437G,447G,517G,537G,617G,627G,637G 91/2 241.3 437G,517G,537G,547G,617G 95/8 244.5 437G,517G,537G,547G,617G 97/8 250.8 437G,517G,537G,547G,617G 121/4 311.1 437G,517G,537G,617G,627G,637G 171/2 444.5 517G,537G,617G,627G,637G IADC 537 adapted to be used in low compressive strength and high drillability soft rock formations. IADC 437 517 537 617 637 737 WOB KN/mm(bitdia.) 0.5-0.75 0.5-0.85 0.5-0.85 0.55-0.85 0.55-0.85 0.55-0.85 Lb/in(bitdia.) 2860-4280 2860-4860 2860-4860 3140-4860 3140-4860 3140-4860 r.p.m