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  • kev xaiv ntawm cia-lub qhov-rauj (dth) thiab cov menyuam lub khob hliav

28

2025

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03

kev xaiv ntawm cia-lub qhov-rauj (dth) thiab cov menyuam lub khob hliav


selection between Down-The-Hole Hammer (DTH) and Roller Cone Bit


selection between Down-The-Hole Hammer (DTH) and Roller Cone Bit


selection between Down-The-Hole Hammer (DTH) and Roller Cone Bit


Nyob rau hauv cov roj roj drilling, kev xaiv ntawm cia-lub rauj rauj (dth) thiab cov txheej txheem drawer, nqi zog-ua hauj lwm **, thiab ** cov hom phiaj ua haujlwm **. Hauv qab no yog qhov sib piv ntawm ob thiab lawv cov ntawv thov raug:


1. Down-the-qhov rauj (dth) 

Ua haujlwm ua haujlwm:  

  Siv cov pa roj siab siab (huab cua / nitrogen) kom tsav lub piston uas cuam tshuam rau cov laum me ntsis, tawg pob zeb los ntawm kev sib xyaw ntawm ** cuam tshuam **.  

Qhov Zoo:  

High efficiency hauv Hard Pob Zeb: Ceev Drilling Ceev rau hauv nyuaj, Congittic Firations zoo li Granite thiab Basalt (2-3 zaug sai dua cov menyuam yaus lub khob).  

Cov txheej txheem dej tsis muaj pa: Roj ncig ua si minimizes kua ntxeem tau (haum rau cov khoom siv qis lossis nruj lossis nruj lossis nruj cov dej khov).  

  Directional yooj yim: ua tau zoo rau cov khoom siv ntsug lossis cov dej ntiav ntiav.  

Qhov tsis zoo:  

Kev vam khom roj: Yuav tsum muaj cua compressors lossis nitrogen cov tshuab hluav taws xob, cov nqi nce ntxiv.  

 Qhov tob txwv: zoo tshaj plaws rau qhov ntiav mus rau nruab nrab-qhov tob (

  Tsis tsim nyog rau cov khoom muag tsis zoo: nquag mus rau me ntsis kev ua pob hauv shale lossis av nkos.  

Cov Ntawv Thov Raug Raug:  

 Cov roj hauv siab puas nyob rau hauv cov roj nruj lossis shale roj (piv txwv li huab cua, ua npuas dej drilling).  

  Kev tshawb nrhiav cov dej khov lossis qhov chaw nyob hauv lub pob zeb tawv (piv txwv li, gravel cov khaubncaws sab nraud, pob zeb loj).  

 Dej-cov cheeb tsam thaj chaw: tsis muaj kua ncig yuav tsum tau.  

2. Cov menyuam lub khob sab ntsis

Ua haujlwm ua haujlwm:  

  Tig lub cav cres tsoo thiab shear pob zeb ntawm dov thiab nyem.  

Qhov Zoo:  

  Versatility: hloov tau rau cov khoom muag muag muag-rau-nyuaj / tsim tau cov hniav / cov kabmob thiab cov kabmob hom).  

  Sib sib zog nqus tau zoo li cas: haum rau cov qhov dej tob (> 3,000 meters) thiab qhov ntsuas kub / hethp) ib puag ncig.  

3,000 meters) thiab qhov ntsuas kub / hethp) ib puag ncig.  

  Nqi-Zoo: Cov nqi qis dua Upfront, paub tab, thiab kev koom ua ke yooj yim (piv txwv li, av nkos drilling).  

Qhov tsis zoo:  

  Tsawg efficiency hauv Hard Pob zeb: Kev hnav ceev ceev hauv kev nyuaj, xav tau hloov ntau zaus.  

  Reservoir Puas muaj kev pheej hmoo: av nkos ncig yuav txhaws pores (yuav tsum tau optimized drilling kua).  

  Directal cov kev sib tw: tsis tshua muaj kev tswj hwm hauv cov kab rov tav piv rau PDC cov khoom lossis dth.  

Cov Kev Siv Raug:  

  Cov pa roj ntsug ntsug - teb drilling hauv nruab nrab-nyuaj tsim (sandstone, mudstone).  

  Cov roj sib sib zog nqus cov khoom siv: ua khub nrog cov av nkos high-ntom hauv kev sib npaug ntawm kev tsim kev ntxhov siab.  

  Cov kev tsim qauv nyuaj: interbedded lossis fractured ib thaj chaw (txhim kho kev nyab xeeb ntawm cov qauv hniav).  

3. Cov ntawv pov thawj ntxiv

PDC Bits: Hauv cov roj nkev drilling, polycrystalline pob zeb pob txha (PDC) tseem muaj dav, muab cov kab rov tav zoo tshaj plaws thiab txiav txuas ntxiv.  

Kev Siv Hybrid: Cov khoom sib txawv yuav raug siv rau theem, E.G.:  

  DTH rau cov txheej tawv tawv, hloov mus rau cov menyuam cov khoom noj hauv cov khoom plig tob tob.  

   PDC cov khoom hauv kab rov tav, cov menyuam cov khoom hauv cov khoom hauv kab.  

DTH Rauj rau lub pob zeb nyuaj, roj av, roj av, ntiav / qis-siab pas tsoom, qhia txog kev tiv thaiv ceev thiab dej tiv thaiv.  

Cov menyuam lub khob taw ntsis: zoo dua rau cov pa av pa hluav taws xob, cov hmoov av tob, ntsuas qhov nqi, ntsuas tus nqi thiab kev yoog tau.  


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