Yadda PDC Drill Bits Suke Aiki

Polycrystalline Diamond Compact (PDC) rawanin hakowa suna matsayin kayan aiki masu muhimmanci a cikin hakowa na zamani, sanannu saboda ingancinsu da ɗorewarsu. Fahimtar yadda suke aiki yana bayyana tasirinsu a cikin yanayi daban-daban na hakowa.

Wadannan bits sun ƙunshi jikin bit da PDC cutters, waɗanda aka tsara su cikin hikima don ingantaccen aiki. Jikin bit, wanda yawanci ake ƙirƙira daga ƙarfe ko kayan matrix, yana ba da ƙarfi na tsari, yayin da PDC cutters, waɗanda suka ƙunshi yadudduka na lu'u-lu'u na roba da aka haɗa zuwa tushe na tungsten carbide, suna aiwatar da aikin yankan daidai.

Yayin da bit ɗin ke juyawa, PDC masu yankan suna shiga cikin dutsen, suna amfani da aikin yanka wanda ya fi ingancin hanyoyin murkushewa na gargajiya. Wannan hanya ba kawai tana tabbatar da saurin shiga ba amma kuma tana tsawaita kaifin masu yankan, yana rage buƙatar sauyawa akai-akai. A cewar Baker Hughes, PDC bits na iya ƙara saurin hakowa da kashi 30-50% kuma rage yawan sauyin bit da kusan kashi 40%.

Kamfanin Hakowa na Fengsu: Pioneers a cikin sabbin hanyoyin hakowa, Kamfanin Hakowa na Fengsu ya haɗa sabbin fasahohi cikin hakowa da bit ɗin haɗin PDC. Da farko an iyakance su ga ayyukan filin mai, dabarun su masu ban mamaki sun ratsa sassan hakar kwal da hakar rijiyar ruwa. Wannan faɗaɗawa ta haɓaka inganci da tsadar aikin hakar kwal da hakar rijiyar ruwa sosai.

Nau'ikan PDC Drill Bits

Daban-daban na PDC rawar hakowa suna biyan bukatun daban-daban na yanayin hakowa da tsari na duwatsu. Kowanne nau'i yana da keɓaɓɓun fasalulluka na ƙira waɗanda aka tsara don inganta aiki a takamaiman yanayi.

1. Fixed Cutter PDC Bits: Ana bambanta su da jikin mai ƙarfi tare da masu yankan PDC na dindindin, waɗannan bits suna yin fice a cikin matsakaici zuwa tsauraran tsari, suna ba da sauƙi da dorewa don aikace-aikace iri-iri.
2. Shear-Type PDC Bits: An ƙera su don ƙasa mai laushi zuwa matsakaici, waɗannan bits suna amfani da ingantaccen aikin yankan don cimma mafi girman saurin shiga a ƙarƙashin yanayi masu dacewa.
3. Haɗaɗɗen PDC Bits: Haɗa abubuwan yankan ƙulli da kuma bits na abin nadi, haɗaɗɗen bits suna ba da damar sassauci wajen hako ta cikin nau'ikan ƙasa daban-daban, ciki har da layukan haɗin gwiwa na dutse mai laushi da mai wuya.
4. Ƙwararrun PDC Bits: An tsara su musamman don aikace-aikace na musamman kamar hakar geothermal, hakar rijiyar ruwa, da hakar ma'adinai, ƙwararrun bits an ƙera su don magance ƙalubale na musamman kamar zafi mai yawa da tsattsauran yanayi.

Kayan aiki da Kera na PDC Rawar Rami

Zaɓin kayan aiki da tsauraran hanyoyin kera su ne tushen aikin da amincin PDC rawar dutsen. Lu'ulu'u na roba, waɗanda aka samar ta hanyar matakai masu matsanancin zafi da matsa lamba (HPHT), suna zama ginshiƙin yankan PDC. Ana haɗa waɗannan lu'ulu'u cikin ƙwarewa zuwa tushe na tungsten carbide, wanda ke haɗa taurin lu'ulu'u da ƙarfin carbide.

Jikin bit, wanda aka ƙera daga ƙarfe mai ƙarfi ko kayan matrix, yana fuskantar tsauraran hanyoyin kera don tabbatar da ɗorewa da aiki. Jikin ƙarfe yana ba da ɗorewa da sauƙin samarwa, yayin da jikin matrix ke ba da ƙarin juriya ga lalacewa da tasiri, wanda ya dace da yanayin abrasive.

Kera PDC na'urorin hakowa yana da matakai masu rikitarwa, ciki har da samar da yankan PDC, haɗa jikin bit, da brazing yankan, duk suna buƙatar injiniyan daidaito da tsauraran kulawar inganci. Ci gaba mai ɗorewa a cikin kimiyyar kayan aiki da dabarun kera, kamar yadda aka lura ta Materials Today, sun ƙara haɓaka ɗorewa da ingancin PDC bits, suna tabbatar da matsayin su a matsayin kayan aikin da ba za a iya maye gurbinsu ba a cikin ayyukan hakowa na zamani.

Matakan kula da inganci masu ƙarfi, waɗanda suka haɗa da gwaje-gwajen juriya ga tasiri, kwanciyar hankali na zafi, da juriya ga lalacewa, suna tabbatar da cewa kowanne yanki ya cika tsauraran ka'idojin masana'antu kuma yana aiki da aminci a ƙarƙashin yanayin hakowa mai wahala.

Don ƙarin bayani kan PDC rawar soja, don Allah danna nan.

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