C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/52 (2006.01) C09K 8/50 (2006.01)
Patent
CA 2682949
A pill for wellbore operations, that includes a base fluid; and at least two polymers that interact to form a gelatinous structure characterized as isolating and controllably transmitting hydrostatic pressure between a first wellbore fluid above the pill in a wellbore and a second wellbore fluid below the pill in the wellbore is disclosed.
L'invention concerne une boue polymère destinée à des opérations de forage, qui inclut un fluide de base et au moins deux polymères qui interagissent pour former une structure gélatineuse caractérisée comme étant isolante et transmettant de manière contrôlable une pression hydrostatique entre un premier fluide de forage au-dessus de la boue dans un forage et un second fluide de forage en dessous de la boue dans le forage.
Friestad Anne-Marie
Mikalsen Renate
Norman Monica
Prebensen Ole Iacob
Ronaes Egil
M-I Llc
Moffat & Co.
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