C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/70 (2006.01) B01F 17/00 (2006.01) C09K 8/467 (2006.01) C09K 8/536 (2006.01) E21B 43/26 (2006.01) E21B 43/267 (2006.01)
Patent
CA 2709451
The invention provides a well treatment composition comprising: a viscoelastic surfactant or a cementing composition and an environmentally friendly component made of cellulosic matrix with organic acid trapped within. A method is disclosed comprising introducing into a wellbore penetrating a subterranean formation an environmentally friendly component made of cellulosic matrix with organic acid trapped within. Also, the invention provides a method for rheology modification optimization of a viscoelastic surfactant, comprising: (a) defining a rheology profile of the viscoelastic surfactant; (b) defining a comparative rheology profile of a composition of the viscoelastic surfactant and a first environmentally friendly naturally occurring component made of cellulosic matrix with organic acid derivative trapped within; (c) repeating step (b) with a second environmentally friendly component made of cellulosic matrix with organic acid derivative trapped within; (d) defining between the first and second environmentally friendly components, environmentally friendly component showing optimum modification of the rheology based on analysis of the rheology profile and comparative rheology profile.
Li Leiming
Lin Lijun
Samuel Mathew M.
Tempel Michael
Veneruso Anthony Frank
Schlumberger Canada Limited
Smart & Biggar
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