公开(公告)号：US20210148195A1

公开(公告)日：2021-05-20

申请号：US17044893

申请日：2019-04-04

Applicant: PETROLEO BRASILEIRO S.A. - PETROBRAS

Inventor： Ricardo FREIRE GRANDI ,  Renan DA SILVA COSTA ,  Otavio CAMPOS DE ARAUJO ,  Leonardo MARAZZO GARCIA ,  Kris PERNASETTI DUNLOP ,  Jose Ricardo BRIGIDO DE MOURA FILHO ,  Joao Paulo SANSEVERINO ABDU ,  Joao Marcelo MUSSI BAPTISTA ,  Gustavo SALGUEIRO DE OLIVEIRA ,  Giovani FERREIRA MACHADO ,  George SOUZA COSTA ,  Frederico FERREIRA CHAVES VAZ ,  Ednaldo GONCALVES DE MOURA ,  Cristiane KOSLINSKI ,  Carolina BERTHOLDO DA CUNHA ,  Aliel FARIA RIENTE ,  Antonio Carlos RAMOS JUNIOR ,  Alexandre CAMPOS MANHAES

IPC: E21B41/00 ,  E21B47/00 ,  E21B23/00 ,  E21B33/064 ,  E21B7/00 ,  E21B33/14 ,  E21B23/06

Abstract: There is provided a method for well construction comprising the steps of: a first phase of the well construction, in which a bottom hole assembly, BHA, with a first drill is used for drilling, and a conductor casing is lowered into the well and cemented; a second phase of the well construction, in which a second drill is used for drilling, wherein a production adapter base, PAB, is installed in parallel with lowering a blowout preventer, BOP; and a third phase of the well construction in which a third drill is used for drilling, for the steps of landing and geonavigation inside a reservoir.