Deep water completions fracturing fluid compositions

Details Deep water completions fracturing fluid compositions Deep water completions fracturing fluid compositions

E - Fixed Constructions

21

B

E21B 43/267 (2006.01) C08L 5/00 (2006.01) C09K 8/68 (2006.01)

Patent

CA 2411559

It has been discovered that fracturing fluid compositions can be designed for successful deep water completion fracturing fluid operations. These fluids must be pumped relatively long distances from offshore platforms to the reservoir, and they are often subjected to a wide temperature range. Under these conditions, it is necessary to inhibit the formation of gas hydrates in the fracturing fluid compositions, as well as to delay the crosslinking of the gels that are formed to increase the viscosity of the fluids prior to fracturing the formation. Preferably, two different gas hydrate inhibitors are used to ensure placement of a gas hydrate inhibitor in most parts of the operation. In addition, as with all offshore or deep water hydrocarbon recovery operations, it is important that the components of the fracturing fluid compositions be environmentally benign and/or biodegradable.

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