US 11,807,811 B2
Flowback aid for fracturing fluids
Samuel Danican, Sugar Land, TX (US)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Appl. No. 15/552,454
Filed by SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
PCT Filed Feb. 18, 2016, PCT No. PCT/US2016/018430
§ 371(c)(1), (2) Date Aug. 21, 2017,
PCT Pub. No. WO2016/134123, PCT Pub. Date Aug. 25, 2016.
Claims priority of provisional application 62/118,506, filed on Feb. 20, 2015.
Prior Publication US 2018/0044572 A1, Feb. 15, 2018
Int. Cl. C09K 8/68 (2006.01); C09K 8/60 (2006.01); C09K 8/88 (2006.01); E21B 43/267 (2006.01); C09K 8/528 (2006.01)
CPC C09K 8/68 (2013.01) [C09K 8/602 (2013.01); C09K 8/604 (2013.01); C09K 8/685 (2013.01); C09K 8/88 (2013.01); C09K 8/885 (2013.01); C09K 8/887 (2013.01); E21B 43/267 (2013.01); C09K 8/528 (2013.01); C09K 8/605 (2013.01); C09K 2208/26 (2013.01); C09K 2208/28 (2013.01); C09K 2208/32 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An aqueous fracturing fluid comprising a polyethylene oxide 2-ethylhexyl ether according to the formula:

OG Complex Work Unit Chemistry
wherein ‘n’ is a value from within a range of from 1 to 100;
an aqueous medium; and,
a viscosifying agent, present in an amount suitable to provide a fluid viscosity between about 20 mPa-s and about 400 mPa-s at a shear rate of 100 s−1, over a temperature range between about 80° F. and 300° F.