Ngokuqala kokuvuselelwa kwedolobha elidala, izinqwaba zamapayipi acwilisiwe kanye nezinqwaba ezenziwe ngaphambilini ezakhiwe ekuqaleni ngawo-1970 kanye nawo-1980 zizoba yizinto ezibalulekile ezithinta intuthuko evamile yokwakha. Ukuphathwa kwezinqwaba zesisekelo zokuqala ezikhona sekuyinto ebalulekile emkhakheni wokwakhiwa kwe-geotechnical. Indlela yokwakha ye-Super Top inikeza indlela entsha nephumelelayo yokwelapha.
Indlela yokwakha i-Super Top (indlela yokuguqula uhlobo lwensimbi yokubhoboza) i-casing rotator esebenzisa ingcindezi eyehlayo kanye ne-torque ekhiqizwa imishini yokujikeleza egcwele ukuze iqhube i-casing yensimbi ukuze ijikeleze, isebenzisa isenzo sokusika sekhanda lokusika elinamandla aphezulu endaweni yombhobho enhlabathini, ibhoboze i-casing emhlabathini, bese isebenzisa uzipho lokubamba ukususa izithiyo ngaphakathi kwe-casing.
Izindlela eziyinhloko zokwelapha isisekelo esikhona ngale mishini yilezi ezilandelayo:
Indlela 1: Sebenzisa le mishini ukumboza isisekelo esikhona epayipini, bese usebenzisa isando esinzima ukuyichoboza, bese usebenzisa into yokubamba ukuze uyikhiphe.
Indlela 2: Sebenzisa lo mshini ukumboza isisekelo esikhona epayipini, sebenzisa isibhamu samanzi esinomfutho ophezulu ukuchoboza inhlabathi ezungeze inqwaba, bese ushayela i-wedge ende yensimbi engunxantathu ukuze ulungise inqwaba ekhona, ujikeleze i-casing, uphendule inqwaba, bese ekugcineni usebenzisa isibhakela nokubamba ukukhipha ingxenye yenqwaba kuze kube yilapho ukwelashwa kuqediwe.
Indlela 3: Kusetshenziswa lo mshini, isisekelo esikhona simbozwa epayipini, bese kufakwa umshini wokuchoboza izicathulo osekela okuningi ekhasejini. Umfutho wokwakheka kwesakhiwo wesicathulo esisekela okuningi usetshenziselwa ukunamathela odongeni lwangaphakathi lwesicathulo. Ngemuva kwalokho, umfutho ojikelezayo wekhaseji usetshenziselwa ukuqhuba umshini wokuchoboza izicathulo osekela okuningi ukuthi ubhoboze futhi uphule inqwaba.
Umdwebo Wesikimu Wokwelashwa Okuphukile Kwezicathulo Eziningi Zokusekela Zezinqwaba Eziyisisekelo Ezikhona.
Le ndlela yokwakha yaziwa ngokuthi “indlela yokwakha yendawo yonke” eJapane. Imishini ingafinyelela ukuphakama okungu-1/500 futhi ingasika idwala elinamandla amakhulu kanye nokhonkolo oqinisiwe, inikeze izixazululo ezintsha ezinkingeni ezintsha ezitholakala ekwakhiweni kwe-geotechnical.
Imininingwane eyengeziwe nge-casing rotator, sicela uxhumane nathi.
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Isikhathi sokuthunyelwe: Mashi-29-2023