Cov cuab yeej siv dab tsi yuav tsum tau siv rau drilling hauv cov huab cua tsis zoo geology

Cov cuab yeej siv dab tsi yuav tsum tau siv rau drilling hauv cov huab cua tsis zoo geology

1. Lub drilling rig yog nruab nrog kev sib txhuam los yog interlocking kelly bar, uas tuaj yeem ua tau raws li cov kab uas hla thiab pawg ntev.

2. Kelly Bar: xaiv hom tho yeeb nkab raws li lub zog ntawm cov pob zeb uas muaj zog heev (1 meter pawg kab, piv txwv li), qhov kawg ntawm cov kabmob muaj peev xwm qis dua 500 kPa nrog kev sib txhuam kelly bar; siab tshaj 500 kPa nrog kev sib tshuam kelly bar.

3. Cov cuab yeej Drilling: Feem ntau ntawm cov pob zeb uas muaj zog heev tuaj yeem raug laum nrog ob lub thoob hauv qab ntawm cov mos txwv cov hniav; Muab ob npaug rau-cone kauv drilling cuab yeej kuj tuaj yeem siv rau qhuav drilling. Thaum qhov kawg ntawm cov kabmob muaj peev xwm nce mus txog 600 kPa-900 kPa, nws yog ib qho tsim nyog yuav tsum siv lub tshuab nqus tsev laum rau lub nplhaib txiav, tab sis nws tsis tuaj yeem nqa cov cores, yog li nws yuav tsum tau siv ob sab hauv qab crushing dua.

4. Drilling cov hniav: 30/50.22 hli cov mos txwv cov hniav thiab 4S cov mos txwv cov hniav qhia cov hniav yog siv los xyaum rau hauv cov huab cua muaj zog, uas yog qhov zoo rau crushing, txo qhov drilling tsis kam, thiab txo qhov poob zoo.