APPARATUS AND METHOD FOR DRILLNG A WELLBORE, SETTING A LINER AND CEMENTING THE WELLBORE DURING A SINGLE TRIP

APPARATUS AND METHOD FOR DRILLNG A WELLBORE, SETTING A LINER AND CEMENTING THE WELLBORE DURING A SINGLE TRIP

A method of forming a wellbore is disclosed. An inner string and an outer string are conveyed downhole. The inner string is attached to the outer string at a first location and the wellbore is formed. The inner stringy is attached to the outer string at a second location us hole of the first locatio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: REGENER, THORSTEN, SCHWARTZE, SASCHA, SORHEIM, TORE, GRINDHAUG, GAUTE, RODERS, INGO, CLEMMENSEN, CARL C, SKAR, TROND R, EIDEM, MORTEN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:A method of forming a wellbore is disclosed. An inner string and an outer string are conveyed downhole. The inner string is attached to the outer string at a first location and the wellbore is formed. The inner stringy is attached to the outer string at a second location us hole of the first location and an annulus between the outer string and the wellbore is cemented without retrieving the inner string from the wellbore.