Drilling xuab zeb choj daig thiab kev sib tsoo kev kho mob

Xuab zeb choj daig tseem hu ua xuab zeb nyob rau hauv daig, nws qhov xwm txheej zoo ib yam li lub cev qhuav dej, thiab nws qhov kev puas tsuaj yog qhov phem dua li kev sib tsoo.

1.Qhov laj thawj ntawm cov xuab zeb choj tsim

(1) Nws yog ib qho yooj yim uas tshwm sim thaum drilling nrog dej huv hauv kev tsim mos;
(2) Lub qhov rooj saum npoo yog me me, thiab cov stratum mos raug nthuav tawm ntau dhau;
(3) Ntxiv flocculant ntau dhau rau cov dej drilling;
(4) mechanical drilling ceev ceev, drilling kua xaav tsis tuaj yeem khaws cia;
(5) Hloov cov dej hauv qhov dej hauv qhov dej, lossis hloov qhov ua tau zoo ntawm cov dej drilling;

Sand choj sticking phenomenon

(1) Tsis muaj cov dej drilling rov qab mus rau lub qhov dej thaum lub sij hawm drilling los yog cov dej drilling yog thim rov qab hauv tnws laum yeeb nkab;

(2) Qhov tsis kam ntawm cov cuab yeej drilling yog qhov muag muag, thiab tsis muaj qhov ruaj khov tam sim ntawd ptshuaj pleev;

(3) Yog xuab zeb choje tshwm sim thaum lub sij hawm drilling, lub annulus kua theem poob, thiab cov kua theem nyob rau hauv lub qhov dej ntawm lub drilling cuab yeej poob sai sai;

(4) Tom qab cov cuab yeej drilling nkag mus rau hauv cov xuab zeb choj, ua ntej lub twj tso kua mis pib, qhov nce thiab nqis txav thiab kev sib hloov yog dawb. Yog tias lub twj tso kua mis pib, lub twj tso kua mis siab yuav riYog li, qhov hnyav hnyav yuav poob, thiab cov kua dej drilling yuav tsis rov qab los yog rov qab me ntsis ntawm lub qhov dej;

(5) Nyob rau hauv drilling, xws li me me drilling kua displacement los yog pluag xuab zeb nqa peev xwm, nyob rau hauv lub twj tso kua mis ncig txheej txheem, lub drilling cuab tam nce thiab nqis zog rotation yog tsis muaj kev tiv thaiv, thaum lub twj tso kua mis nres, lub cuab tam drilling tsis tuaj yeem nqa, tshwj xeeb tshaj yog tsis muaj cov khoom theem drilling kua, qhov no tshwm sim ntau dua.

Kev tiv thaiv ntawm daig xuab zeb choj

(1) Nws yog qhov zoo tshaj kom tsis txhob xyaum nrog dej;

(2) Nyob rau hauv lub qhov qhib seem, lub sij hawm ntawm drilling kua so yuav tsum tsis txhob ntev dhau lawm;

(3) Optimization ntawm drilling kua tsim;

(4) Thaum drilling, qhov tsim nyog tus nqi ntawm lub twj tso kua mis yuav tsum raug xaiv raws li tus yam ntxwv tsim;

(5) Ua kom muaj kev ruaj ntseg ntawm cov dej drilling thiab kev ua haujlwm.

Kev kho cov xuab zeb daig

(1) Yog tias qhov drilling fluid tsuas tuaj yeem nkag mus rau hauv lub twj tso kua mis, lub cuab yeej drilling yog daig, thiab nws tsis tuaj yeem txav mus los, nws yuav tsum tau suav nrog txoj haujlwm ntawm daim npav, thiab lub sijhawm yuav tsum tau thim rov qab los ntawm qhov ze ntawm daim npav.

(2) Txoj hauj lwm ntawm kev tsim cov xuab zeb choj yuav nyob rau sab sauv lossis sab qis, tab sis nws qhov chaw zoo tsis ntev dhau, thiab nws tsis tuaj yeem faus tag nrho cov cuab yeej drilling. Yog tias tus choj xuab zeb nyob rau sab saud, txawm hais tias tsis muaj ntau cov cuab yeej laum nchuav rau thawj zaug, nws tsis tuaj yeem siv lub tes tsho ntev milling kom tshem tawm cov xuab zeb choj, thiab tom qab ntawd cov cuab yeej laum yog nyob rau ntawm lub pob. restore lub voj voog, thiab tom qab ntawdtej yam yooj yim ua. Yog hais tias tus choj xuab zeb nyob rau hauv qis qis, txoj kev ntawm blasting xoob backbuckle yuav tsum tau siv los ncuav lub unstuck laum cov cuab yeej ntawm ib lub sij hawm, thiab cov cuab yeej xyaum nram qab no tsuas yog unstuck los ntawm milling backbuckle.

(3) Sand choj daig drilling feem ntau tshwm sim nyob rau hauv tus txheej txheem ntawm tripping, lub laum tsis nyob rau hauv qab ntawm lub qhov, yog li nyob rau hauv lub milling txheej txheem, cov ntses yuav tog, nyob rau hauv cov ntaub ntawv no, nws yuav tsum tau immed.iately ntawm lub pob, cov cuab yeej drilling, nws muaj peev xwm tso tawm daim npav hauv kev ua si. Yog tias peb tseem tuaj yeem nthuav tawm cov dej drilling, txhua yam teeb meem yuav raug daws.

(4) Yog hais tias lub laum txoj hlua yog nruab nrog lub hauv paus, cov xuab zeb choj feem ntau yog siab tshaj qhov kawg ntawm lub hauv paus, yog li tom qab lub tshuab txiav mus rau lub hauv paus, nws tsis tas yuav reamer rau zeb lub hauv paus, thiab lub hub tuaj yeem raug jolted thiab tsis muaj dab tsi.