LARGE-WIDTH/DIAMETER RISER SEGMENT LOWERABLE THROUGH A ROTARY OF A DRILLING RIG
摘要
This disclosure includes auxiliary-line riser segment assemblies (e.g., with isolation units) that are suitable for managed pressure drilling (MPD) and that can be lowered (e.g., when connected to other riser segment assemblies) through a rotary of a drilling rig. Some embodiments are configured to have portions of the auxiliary lines connected (e.g., without welding) below the rotary.
申请公布号
WO2014179538(A1)
申请公布日期
2014.11.06
申请号
WO2014US36317
申请日期
2014.05.01
申请人
AMERIFORGE GROUP INC.;FRACZEK, JUSTIN;KENNEDY, ROLAND;ARTHION, RANDY;GIDMAN, ALEX
发明人
FRACZEK, JUSTIN;KENNEDY, ROLAND;ARTHION, RANDY;GIDMAN, ALEX