Dab tsi yog qee cov kev ua yuam kev ua txhaum nrog kab rov tav doming drilling rigs?

1. Kev taw qhia kev sib cav
Qhov tshwm sim: lub drilling trajectory txawv txawv ntawm txoj kev tsim, cuam tshuam rau kev teeb tsa kev ua haujlwm.
Ua rau:
Drilling Rig Tshaj Tawm Yuam Kev Yuam Kev (Cegrine Dagiation> 0.1 Qib) los yog sib nqus Daim teb ua tsis muaj kev tswj hwm qhov tsis ua haujlwm.
Cov kev tsim qauv nyuaj (xws li Cobblestone txheej thiab cov aav txwv) ua rau tho txav deflection.
Kev daws:
Kho cov kev taw qhia dr drill ua ntej kev tsim kho thiab siv PII DIRECTIONAL MEFOURSE software thiab khoom siv tsim khoom sib nqus.
Siv cov av nkos Tsav laum me ntsis hauv cov pob zeb tawv tawv kom txo tau deflection.
2. Rub tawm
Qhov tshwm sim: ntau dhau kev tawm tsam thaum lub sij hawm ribback, txawm tias tiv thaiv kev nce qib.
Ua rau:
Kev nthuav dav ntau dhau ntawm cov kev nthuav dav (piv txwv li, qhov nthuav dav uas hla tsawg dua 1.3 npaug ntawm lub raj nplaim hluav taws xob.
Pebble txheej thiab tsis muaj zog ntawm cov ceg xuab zeb ua rau lub qhov ncauj txo. Kev daws:
Siv cov yeeb nkab npamping rauj lossis cov xaim xaim kom pab nrog rub tawm, thiab siv lub ntsuas phoo kom loj zog yog tsim nyog.
Ua ntej -} embred casing nyob rau hauv kev xaiv mos thiab tawv tawv kom tiv thaiv qhov muab vau.
3. Tho yeeb nkab kev puas tsuaj
Cov tsos mob: Laum cov yeeb nkab tawg, xov hnav, lossis qaug zog tsis ua haujlwm.
Ua rau:
Cov chaw tsis ncaj (xws li tawv pob zeb nyuaj 5-7) ua rau kev co rog nkees.
Cov xov tsis txaus siv lubrication lossis tsis raug lub zog ua rau ua rau sticking.
Kev daws:
Cov yeeb nkab laum yuav tsum tau ua ntej -
Thaum Drilling hauv cov av zeb, nruab ib qho chaw hauv nruab nrab kom txo viav vias.
4. Borehole Phab Ntsa Qhov Tsis Yooj Yim thiab Slurry Takeage
Cov tsos mob: Borehole inch txo, qhov sib tsoo, lossis slurry khiav tawm ntawm qhov chaw.
Ua rau:
Cov av nplaum minerals nqus dej, nthuav dav, lossis tawg ua kom loj hlob, ua rau muaj lub zog ntawm phab ntsa.
Slurry siab siab dhau (ntau dua qhov tsim cov kabmob muaj peev xwm) lossis qis dhau (tsawg dua qhov kev tiv thaiv phab ntsa uas xav tau). Kev daws:
Nyob rau hauv cov kev sib raug zoo uas tsis muaj zog, siv MAAs slurry mus foob tawg.
Yog tias to taub yog hnyav, ua ntej ua ntej -} φ φ φ φ1500 risers tuaj yeem txo cov slurry siab.
5. Khoom siv hydraulic system tsis ua hauj lwm
Cov tsos mob: roj xau hydraulic, siab kev hloov pauv, lossis lub tog raj kheej chais.
Ua rau:
Deterioration ntawm cov ntsaws ruaj ruaj lossis cov roj paug (piv txwv li, kev cuam tshuam dej).
Kev daws:
Nquag hloov cov roj hydraulic (txhua 400 teev) thiab tshawb xyuas cov ntsaws ruaj ruaj.