Kab rov tav directional drilling tshuab yog ib qho kev siv tshuab hauv av, thiab qhov xwm txheej ntawm lub stratum muaj kev cuam tshuam zoo rau qhov nyuaj ntawm kev siv txoj kev drilling. Txij li thaum xyoo 1980s, vim yog kev tshawb fawb thiab kev txhim kho ntawm qhov tseeb qhov chaw ntawm cov kev taw qhia drilling thiab kev txhim kho txuas ntxiv ntawm cov kev taw qhia drilling system theem, thiab tom qab kev coj ua ntawm kev tsim kho engineering, kev hloov pauv ntawm kev taw qhia drilling tshuab hauv txhua lub stratum tau maj mam nthuav dav.
Kev Ntsuam Xyuas Kev Nyuaj Siab Ntawm Kev Hla Kev Sib Tw geology
◆ Teeb meem hauv pob zeb stratum traversal
(1) Vim qhov kev ntxhib los mos, nyob rau hauv cov txheej txheem ntawm kev taw qhia drilling, yuav muaj cov khoom loj ntawm cov pob zeb khib nyiab, vim nws qhov ntom ntom, cov av nkos tsis yooj yim nqa tawm ntawm lub qhov, uas yuav ua rau muaj teeb meem rau cov tom ntej. rov qab ua haujlwm.
(2) Lub pob zeb yog ib qho nyuaj, lub laum me ntsis rau lub qhov taw qhia lossis reaming kev tsim kho, cov cuab yeej siv drilling yog qhov muaj zog heev, cov cua sov tsim los ntawm lub laum me ntsis yog qhov loj thiab yooj yim ua rau hlawv qhov xyaum, tib lub sijhawm, drilling ceev yog qeeb, cov khoom siv dag zog, av nkos thiab lwm yam ntawm kev noj ntawm qhov tshwm sim ntawm kev nce nqi ntawm kev tsim kho.
◆ nyuaj hla pebble gravel strata
(1) Vim yog pebble gravel particles ntawm ntau qhov sib txawv, cov kev taw qhia xyaum me ntsis yog tshwj xeeb tshaj yog yooj yim rau deviate los ntawm cov qauv tsim sab laug thiab txoj cai.
(2) Thaum lub sij hawm reaming, ib tug loj npaum li cas ntawm pebbles muaj nyob rau hauv lub qhov, uas ua rau kom muaj kev sib txhuam tsis kam thiab ua rau hnyav hnyav rau cov cuab yeej drilling. Txhawm rau nqa tawm ntawm lub qhov zoo, nws yog ib qho tsim nyog yuav tsum tau ua kom cov av nkos twj tso kua mis siab thiab ntws tus nqi, tab sis qhov no yuav ua rau poob ntawm cov cement nyob ib ncig ntawm pebbles ntawm phab ntsa ntawm lub qhov nrog cov av nkos, ua rau lub qhov phab ntsa. ruaj khov.
(3) Yog hais tias qhov kev faib ua feem ntawm pebbles thiab gravel yog siab, qhov sib thooj hardness ntawm seem no ntawm lub stratum yuav siab, uas yuav ua rau kev taw qhia drilling qhov thiab reaming yog nyuaj rau xyaum: nyob rau hauv cov ntaub ntawv ntawm ib tug tsawg feem ntawm pebbles thiab gravel, yog hais tias lub degree ntawm cementation tsis siab, lub directional drilling phab ntsa molding yuav tsis zoo heev, nws yuav tshwm sim ntawm qhov tshwm sim ntawm lub phab ntsa vau teeb meem, ua rau tsis ua hauj lwm ntawm directional drilling project. Nyob rau tib lub sij hawm, vim muaj pebble gravel, thaum lub sij hawm tsim kho, nws yog ib qho yooj yim mus rau loj chunks, uas yog tsis conducive rau av nkos nqa tawm ntawm lub qhov.
(4) Vim lub xub ntiag ntawm pebble gravel, qhov tsim yog ntau permeable thiab yooj yim rau av nkos phenomenon, muaj kev pheej hmoo ntawm kev tiv thaiv ib puag ncig. Nyob rau hauv cov ntaub ntawv ntawm cov av nkos loj heev, lub qhov ntxuav lub qhov yuav tsum tau rov ua dua, uas tsis yog tsuas yog siv tsis tau tab sis kuj ua rau muaj kev nce ntawm tag nrho cov nqi tsim kho.
◆ Kev nyuaj ntawm kev hla cov xuab zeb av strata
Qhov teeb meem loj tshaj plaws hauv kev taw qhia drilling kev ua haujlwm hauv cov xuab zeb av txheej yog tsim cov kev taw qhia drilling qhov. Raws li cov xuab zeb txheej txheej yog mos thiab yooj yim plam, nws yog ib qho nyuaj rau tsim lub qhov ntawm directional drilling, yog li stabilizing lub qhov phab ntsa yog tus yuam sij rau kev daws qhov teeb meem ntawm directional drilling siv nyob rau hauv cov xuab zeb txheej. Niaj hnub no, txoj hauv kev kom ruaj khov ntawm lub qhov phab ntsa hauv qhov kev taw qhia drilling kev tsim kho yog siv qhov tsim nyog cov av nkos. Tab sis nyob rau hauv cov xuab zeb txheej, kom stabilize lub qhov phab ntsa, lub viscosity ntawm av nkos, nyob rau hauv lub qhov phab ntsa tsim ib tug thicker av nkos daim tawv nqaij, tab sis cov av nkos daim tawv nqaij ncaj qha tsub kom lub pipeline rov qab rub quab yuam, rov qab rub lub sij hawm ntev dua qhov kev tiv thaiv thiab ua rau. tsis ua hauj lwm ntawm kev taw qhia drilling rau cov xuab zeb ntiav ntiav, kev siv cov casing los tiv thaiv cov xuab zeb txheej zoo dua. Txawm li cas los xij, los ntawm cov xuab zeb txheej ntev dua cov kav dej hla txoj haujlwm tsis zoo rau kev paub.
◆ Teeb meem nyuaj hauv Karst struts hla
Vim qhov tshwj xeeb geological tej yam kev mob ntawm karst struts, lub pob zeb txheej, pebble txheej, thiab xuab zeb txheej tau hais los saum toj no tej zaum yuav tshwm sim, yog li cov teeb meem ntawm hla txhua txheej uas tau hais los saum toj no yuav tshwm sim los yog tshwm sim tib lub sijhawm.
Tsis tas li ntawd, vim qhov tshwm sim ntawm cov dej tov, muaj cov kab noj hniav thiab qhov tawg ntawm cov pob zeb txheej, thaum lub sij hawm kev tsim kho ntawm kev taw qhia drilling, nws yog ib qho yooj yim rau lub laum me ntsis dai rau saum huab cua thiab ua rau deviation ntawm drilling, ntog. laum me ntsis, jamming ntawm laum ntsis thiab lwm yam phenomena. Yog tias cov fissures txuas ntxiv mus, yuav muaj ntau cov av nkos poob, uas ua rau tsis muaj slurry rov qab, yog li qhov kev pheej hmoo ntawm kev taw qhia drilling kev tsim kho hauv karst toj roob hauv pes yog siab heev.
Roller Reamer
◆ Qhov zoo thiab qhov tsis zoo
Lub zog muaj zog ntau dua, yooj yim los hloov cov menyuam disk thaum nws hnav tawm, qhov tsis zoo yog qhov nws tus kheej tseem ceeb, yooj yim rau kev tsim cov qhov elliptical thaum reaming hauv cov pob zeb mos; thaum hloov cov menyuam disk hauv lub qhov, nws tsis yooj yim rau cov reamer tawm; Nyob rau tib lub sijhawm, vim nws cov yam ntxwv ntawm cov qauv, tshwj xeeb tshaj yog cov reamer nrog ib txoj kab uas hla ntawm ntau tshaj 30 yuav tsum muaj lub zog loj ntawm qhov drilling rig; Nws yog qhov zoo dua kom tsis pub tshaj 500m ntev los ntawm cov pob zeb txheej.
◆ Kev siv tau
Haum rau cov pob zeb mos thiab nruab nrab-nyuaj pob zeb.
Yog tias koj xav tau xaj cov menyuam reamers, peb yuav muab cov kev daws teeb meem rau koj, thov hu rau peb ntawminfo@vigorpetroleum.com.
