I-Downhole Equipent Casing Shoe Float Collar Guide Shoe
Incazelo:
I-Guide Shoe iyinqubo elula neyongayo yokusebenzisa i-casing emgodini womthombo. Lezi zinamathiselwe ku-casing bottom futhi zinikeza ukuvuleka kuntambo ye-casing ngenkathi yehliswa.
Lo mklamo uqukethe i-taper yangaphakathi ngaphansi ukuze kuqinisekiswe ukungena okungenazinkinga kwamathuluzi okumba abuyele entanjeni ye-casing ngemva kokubhoboza kanye nangesikhathi sokumba. Ikhala eliyindilinga liqondisa i-casing kude namaleji kanye nezithiyo emithonjeni yemithombo njengoba i-casing yehliswa.
I-valve yokuhlola eyakhelwe ngaphakathi inikeza ukuvuthwa kwentambo ye-casing futhi ivimbela usimende ekungeneni kabusha ku-casing ngemva kokukhishwa. Zonke izingxenye zangaphakathi zingashayelwa ngokugcwele i-PDC.
I-Guide Shoe iyithuluzi elibalulekile ekwakheni umthombo, eliklanyelwe ukwenza lula inqubo yokufaka i-casing. Idizayini yayo iqinisekisa ukumelana nokuhlupheka okuncane ngesikhathi sokusebenza. I-valve yokuhlola eyakhelwe ngaphakathi ayisizi nje kuphela ekugcineni ukunyakaza kwentambo ye-casing kodwa futhi iqinisekisa ubuqotho bomsebenzi kasimende ngokuvimbela ukubuya kukasimende. Ngaphezu kwalokho, ukuhambisana kwayo nokubhola kwe-PDC kuyenza ifanelekele imisebenzi yesimanje yokumba. Ukutholakala kwayo ngebanga elibanzi losayizi, kanye nenketho yamasayizi akhethekile uma iceliwe, kuyenza ibe ithuluzi eliguquguqukayo elikwazi ukujwayelana nosayizi abahlukahlukene bomthombo kanye nezintambo ze-casing.