Ib feem ntawm cov txheej txheem ntawm kev npaj ib lub qhov dej ntxiv rau qhov drilling, ntau lawm lossis tso tseg, cementing a well is the txheej txheem ntawm kev txhim kho thiab tso cov cement rau hauv qhov chaw hauv lub qhov dej. … Hauv kev taw qhia drilling, cementing yog siv los ntsaws lub qhov dej uas twb muaj lawm, txhawm rau khiav lub qhov dej taw qhia los ntawm qhov ntawd.
Vim li cas cementing tseem ceeb hauv roj thiab roj?
Cementing ntawm wellbore yog ib qho ntawm cov haujlwm tseem ceeb tshaj plaws hauv kev drilling thiab ua tiav cov roj thiab cov qhov dej. Lub luag haujlwm tseem ceeb tshaj plaws ntawm Roj & Gas zoo cementing yog txhawm rau cais ntau thaj chaw hauv qhov dej zoo, muab kev txhawb nqa txaus rau cov casing, thiab tiv thaiv kom tsis txhob muaj cov kua dej nkag mus.
Kev ua haujlwm cementing yog dab tsi?
Cementing yog txheej txheem ntawm kev sib xyaw cov cement slurry, cement additives thiab dej thiab tso nws los ntawm casing mus rau cov ntsiab lus tseem ceeb hauv lub annulus ib ncig ntawm casing lossis hauv qhov qhib hauv qab txoj hlua casing. Ob lub luag haujlwm tseem ceeb ntawm cov txheej txheem cementing yog: … Txhawm rau cog thiab txhawb nqa lub casing.
Yuav ua li cas yog cement siv rau hauv cov roj qhov dej?
Oil-well cements yog siv rau roil-well grouting, qee zaum hu ua roj-zoo cementing. … Cov cement yog tov nrog dej thiab cov khoom ntxiv los tsim cov slurry, uas yog tom qab ntawd tso rau hauv lub qhov dej nyob ib ncig ntawm lub casing, uas yog cov yeeb nkab loj tso rau hauv lub qhov drilled tshiab.
Class H cement yog dab tsi?
Class H. GCC's Class H zoocement ua tau zoo heev nyob rau hauv qhov xav tau ntawm cov dej tob thiab kab rov tav thiab nyob rau hauv qhov kub thiab txias. Nws muab superior high-sulfate (HSR) tsis kam thiab tiv thaiv lub qhov dej los ntawm huab cua sulfate.
