✧ Cov Lus Qhia Tshwj Xeeb
| Tus Qauv | API Spec 16A |
| Qhov loj me me | 7-1/16" txog 30" |
| Tus nqi siab | 2000PSI txog 15000PSI |
| Qib kev qhia tshwj xeeb ntawm kev tsim khoom | NACE MR 0175 |
✧ Kev piav qhia
Kev Taw Qhia Txog Annular Blowout Preventers:Cov Tshuaj Tiv Thaiv Kev Tawg Zoo Tshaj Plaws rau Kev Ua Haujlwm Drilling.
Hauv ntiaj teb kev ua haujlwm drilling, kev nyab xeeb thiab kev ua haujlwm tau zoo yog qhov tseem ceeb tshaj plaws. Cov kev pheej hmoo thiab kev phom sij uas cuam tshuam nrog kev drilling rau kev tshawb nrhiav roj thiab roj av xav tau kev siv cov thev naus laus zis siab heev thiab cov khoom siv txhim khu kev qha. Ib qho ntawm cov khoom tseem ceeb uas ua kom muaj kev nyab xeeb thiab kev tswj hwm ntawm kev ua haujlwm drilling yog lub blowout preventer (BOP).
Peb cov khoom siv tiv thaiv kev tawg ntawm cov annular yog ib qho kev daws teeb meem tshiab thiab ua haujlwm tau zoo uas ua tau zoo tshaj cov qauv kev lag luam. Tsim los kaw lub qhov dej thiab tiv thaiv kev tawg, cov khoom siv tiv thaiv kev tawg ntawm cov annular yog ib qho cuab yeej tseem ceeb hauv kev lag luam drilling niaj hnub no.
Lub luag haujlwm tseem ceeb ntawm cov khoom tiv thaiv kev tawg yog tiv thaiv lub qhov dej thiab tiv thaiv kev tawg los ntawm kev txiav cov kua dej hauv lub qhov dej. Thaum lub sijhawm ua haujlwm tho qhov, cov xwm txheej tsis tau xav txog, xws li kev ncaws lub qhov dej uas muaj roj lossis kua dej ntws, tuaj yeem ua rau muaj kev pheej hmoo loj. Hauv qhov no, cov khoom tiv thaiv kev tawg annular tuaj yeem ua haujlwm sai sai, kaw lub qhov dej, nres cov dej ntws, thiab rov qab tswj hwm kev ua haujlwm.
Qhov sib txawv ntawm cov khoom siv tiv thaiv kev tawg ntawm cov hlau thiab cov khoom siv tiv thaiv kev tawg ib txwm muaj yog lawv qhov ua haujlwm tau zoo thiab kev ntseeg tau zoo heev. Cov khoom siv niaj hnub no siv cov thev naus laus zis sealing siab heev los ua haujlwm zoo txawm tias nyob rau hauv qhov xwm txheej drilling hnyav tshaj plaws, ua kom muaj kev nyab xeeb kaw thiab tiv thaiv kev xau. Nws cov qauv ruaj khov ua kom muaj kev ruaj khov thiab kev ywj pheej los tiv taus kev nyuaj siab thiab kev cov nyom ib puag ncig.
Peb cov khoom siv tiv thaiv kev tawg ntawm lub annular muaj lub kaw lus tswj hwm zoo heev, ua rau lawv yog cov khoom siv zoo thiab yooj yim siv. Nws muaj lub interface yooj yim thiab cov yam ntxwv tsis siv neeg uas txo qhov kev pheej hmoo ntawm kev ua yuam kev ntawm tib neeg thiab txhim kho kev ua haujlwm zoo. Lub BOP tuaj yeem pib thiab tswj tau nyob deb, muab rau cov kws tshaj lij drilling ib txheej kev nyab xeeb ntxiv.
Cov khoom tiv thaiv kev tawg ua ib ncig raug kuaj xyuas thiab tshuaj xyuas kom ua raws li cov cai ntawm kev lag luam thiab cov qauv zoo. Tsim thiab tsim los ntawm pab pawg kws tshaj lij hauv kev siv tshuab drilling, cov khoom tiv thaiv kev tawg tau raug sim ntau hauv thaj chaw kom ua tau zoo tshaj qhov xav tau thiab tau ua pov thawj tias nws ntseeg tau hauv cov xwm txheej tiag tiag.
Cov BOPs annular sib xws nrog ntau yam kev siv drilling thiab tuaj yeem yooj yim koom ua ke rau hauv cov haujlwm uas twb muaj lawm. Nws txoj kev tsim qauv me me ua rau siv qhov chaw rig zoo, ua rau nws tsim nyog rau ob qho tib si onshore thiab offshore daim ntawv thov. Tsis tas li ntawd, nws cov kev xav tau kev saib xyuas thiab kev pabcuam yog tsawg heev, txo cov sijhawm tsis ua haujlwm thiab ua kom zoo dua qub.
Kev nyab xeeb tseem yog lub hauv paus ntawm kev tsim cov khoom siv tiv thaiv kev tawg annular. Nws cov txheej txheem tiv thaiv kev ua tsis tiav thiab cov khoom seem ntxiv muab kev thaub qab zoo thaum muaj kev ua haujlwm tsis zoo, ua kom ntseeg tau tias teb sai thiab tswj tau txhua qhov kev tawg. Qib kev ntseeg siab thiab kev txo qis kev pheej hmoo no ua rau cov kws tshaj lij drilling ntseeg siab thiab muaj kev thaj yeeb nyab xeeb.
Hauv kev xaus lus, cov khoom siv tiv thaiv kev tawg ntawm cov annular yog cov kev daws teeb meem tshiab rau kev tiv thaiv kev tawg hauv kev ua haujlwm drilling. Nws txoj kev tsim qauv zoo, cov thev naus laus zis sealing siab heev thiab cov yam ntxwv yooj yim rau tus neeg siv ua rau nws yog ib qho khoom muaj nqis hauv kev ua kom muaj kev nyab xeeb, kev tswj hwm thiab kev ua tiav ntawm cov haujlwm drilling. Nrog cov khoom siv tiv thaiv kev tawg ntawm cov annular, koj tuaj yeem ntseeg siab tias koj txoj haujlwm drilling tau nruab nrog qib siab tshaj plaws ntawm kev tiv thaiv, cia koj ua haujlwm nrog kev ntseeg siab.