cov khoom xov xwm

Casing, tubing thiab laum yeeb nkab yog txhua yam tseem ceeb ntawm cov roj drilling thiab cov kav dej thauj mus los.

L245 yog cov dej tsis tshua muaj siab seamless steel yeeb nkab. Nws qhov kev ua tau zoo zoo ib yam li 20 # seamless yeeb nkab. Cov khoom siv kho tshuab thiab tshuaj lom neeg mua...

API 5CT P110 roj zoo casing yog seamless steel yeeb nkab siv rau cov roj zoo drilling uas ua raws li API 5CT cov qauv thiab muaj qib steel ntawm P110.

API 5CT R95 tubing yog ib hom roj av casing siv hauv kev lag luam roj thiab roj.

Hard chrome plating yog txheej txheem nyuaj chrome plating. Dab tsi yog qhov txawv ntawm nws thiab chrome plating? Kab lus no yuav piav txog qhov teeb meem no.

Muaj ntau txoj hauv kev ntawm kev kho hlau saum npoo, ib qho yog hu ua electroplating. Electroplating siv lub hauv paus ntsiab lus ntawm electrolysis los coated txheej nyias nta...

ASTM Specification A106 npog seamless carbon steel nominal phab ntsa yeeb nkab rau high-temperature kev pab cuam, haum rau dabtsi yog khoov, flanging thiab zoo sib xws ua hauj lwm.

Cov kav hluav taws tua hluav taws kuj tseem hu ua galvanized steel kav. Kab lus no yuav qhia luv luv txog cov yeeb nkab steel no thiab xa mus rau qhov kawg ntawm cov lus xav tau...

Cov kav dej ntev ntev yuav hla hauv tsev, tsev kawm ntawv, chaw ua haujlwm, thiab ua liaj ua teb. Kev phom sij ntawm kev sib raug zoo li no yog qhov tseeb ntawm tus kheej. Yog l...

Cov kev faib ntawm cov kav dej ntev ntev yog dab tsi? Dab tsi yog cov cuab yeej txhawb nqa rau kev thauj mus los ntawm cov kav dej? Kab lus no yuav qhia lawv nyob rau hauv lem.

Cov kauj ruam kawg hauv kev tso cov roj kav dej yog trench backfilling. Yog li yuav ua li cas tshwj xeeb? Kab lus no yuav qhia cov kauj ruam no.

Tom qab cov yeeb nkab vuam tiav lawm, cov yeeb nkab yuav tsum tau patched thiab puas. Tom qab ntawd, cov yeeb nkab yuav tsum tau qis dua. Kab lus no yuav qhia ob kauj ruam no ua...