API 5CT J55Roj casing:
J55Roj casing yog cov yeeb nkab steel siv los txhawb cov phab ntsa ntawm cov roj thiab cov qhov dej hauv qhov dej kom ntseeg tau tias kev ua haujlwm zoo ntawm tag nrho cov roj zoo thaum lub sijhawm drilling thiab tom qab ua tiav.Txhua lub qhov dej yuav tsum muaj ob peb txheej ntawm casing nyob ntawm qhov sib txawv ntawm qhov tob tob thiab qhov chaw geological.Tom qab lub casing poob lawm, cementing yuav tsum tau.Nws txawv ntawm cov tubing thiab laum yeeb nkab thiab tsis tuaj yeem rov qab siv dua.
API 5CT J55 Casing Tubing Specification:
J55 API casing los yog tubing yog ib qho tseem ceeb hauv cov roj drilling.Vim tias qib qis steel ntawm J55, nws yog siv rau cov roj ntiav thiab cov roj extraction.The J55 API casing los yog tubing yog dav siv nyob rau hauv lub extraction ntawm natural gas thiab coalbed methane, thiab muaj feem ntau pom nyob rau hauv qhov dej ntiav, geothermal qhov dej, thiab dej qhov dej.