I-Downhole Equipent Casing Shoe Float Collar Guide Isihlangu

Inkcazelo emfutshane:

Isikhokelo: Uncedo ekwalathiseni ingxowa kwiqula.

Ukuqina: Yenziwe ngezinto ezomeleleyo ukumelana neemeko ezinzima.

I-drillable: Isuswa ngokulula emva kwesamente ngokugrumba.

Indawo eHambayo: Ivumela indlela egudileyo yodaka lwesamente.

I-Backpressure Valve: Ikhusela ukubuyisela ulwelo kwi-casing.

Uqhagamshelo: Incamatheleka ngokulula kumtya wengxowankulu.

Impumlo engqukuva: Ihamba kwiindawo ezixineneyo ngempumelelo.

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

Inkcazo:

I-Guide Shoe yinkqubo elula kunye neyoqoqosho ukuqhuba i-casing kwi-wellbore. Ezi zincanyathiselwe kumzantsi we-casing kwaye zibonelela nge-buoyancy kumtya we-casing ngelixa uthotywa.

Olu yilo luqulethe i-taper yangaphakathi emazantsi ukuze kuqinisekiswe ukungena okungenangxaki kwezixhobo zokugaya ukubuyisela kumtya we-casing emva kokubhoboza kunye nangexesha lomsebenzi wokugaya. Impumlo engqukuva ikhokela i-casing kude ne-ledges kunye nezithintelo kwi-wellbores njengoko i-casing ithotywa.

Ivalve yokukhangela eyakhelwe-ngaphakathi ibonelela nge-buoyancy kumtya we-casing kwaye ikhusela isamente ekungeneni kwakhona kwi-casing emva kokuba isusiwe. Onke amacandelo angaphakathi aqhutywa ngokupheleleyo kwiPDC.

Umzobo we-Float-Collar-Float-Shoe-Drawing

I-Guide Shoe sisixhobo esibalulekileyo sokwakhiwa kwequla, esiyilelwe ukulungelelanisa inkqubo yofakelo lwe-casing. Uyilo lwayo luqinisekisa ukuchasana okuncinci kunye nokuphazamiseka ngexesha lokusebenza. I-valve yokukhangela eyakhelwe-ngaphakathi ayincedi kuphela ekugcineni i-buoyancy yentambo ye-casing kodwa iqinisekisa ukunyaniseka komsebenzi we-cement ngokuthintela ukubuya kwe-samente. Ngaphaya koko, ukuhambelana kwayo nokugrumba kwePDC kuyenza ilungele imisebenzi yokomba yangoku. Ukufumaneka kwayo kuluhlu olubanzi lweesayizi, kunye nenketho yeesayizi ezikhethekileyo kwisicelo, kuyenza ibe sisixhobo esiguquguqukayo esilungelelaniswa nobukhulu obahlukeneyo be-wellbore kunye neentambo ze-casing.