Rheology-controlled flowable and pumpable aqueous...

Details Rheology-controlled flowable and pumpable aqueous... Rheology-controlled flowable and pumpable aqueous...

E - Fixed Constructions

21

B

E21B 21/14 (2006.01) B01F 17/00 (2006.01) C09K 8/22 (2006.01) C09K 7/02 (1995.01)

Patent

CA 2152778

The invention concerns the use of lower all alkoxylates, which are boundary-layer-soluble in water at room temperature, of water- insoluble alcohols of natural and/or synthetic origin to control the rheological properties, even at high temperatures, of pumpable, fluid aqueous preparations of fine particulate mineral substances of natural and/or synthetic origin, the aqueous preparations being suitable for use in particular as working fluids in the disintegration zone in soil and/or geological formations, e.g. as water-based drilling fluids.

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