US 11,926,788 B2
Foamed treatment fluids for lost circulation control
Brendon Chia Han Tan, Spring, TX (US); Samuel Jason Lewis, The Woodlands, TX (US); Thomas Jason Pisklak, Cypress, TX (US); and Paul Joseph Jones, Houston, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Feb. 12, 2021, as Appl. No. 17/174,607.
Application 17/174,607 is a division of application No. 16/462,146, granted, now 10,954,426, previously published as PCT/US2018/042135, filed on Jul. 13, 2018.
Prior Publication US 2021/0163809 A1, Jun. 3, 2021
Int. Cl. C09K 8/506 (2006.01); C04B 14/04 (2006.01); C04B 14/10 (2006.01); C04B 16/06 (2006.01); C04B 28/04 (2006.01); C09K 8/487 (2006.01); C09K 8/518 (2006.01); E21B 33/138 (2006.01); C04B 103/00 (2006.01); C04B 103/40 (2006.01); C04B 103/46 (2006.01)
CPC C09K 8/487 (2013.01) [C04B 14/045 (2013.01); C04B 14/10 (2013.01); C04B 16/0675 (2013.01); C04B 28/04 (2013.01); C09K 8/506 (2013.01); C09K 8/518 (2013.01); E21B 33/138 (2013.01); C04B 2103/0085 (2013.01); C04B 2103/40 (2013.01); C04B 2103/46 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A foamed treatment fluid comprising:
a cement;
a viscosifying agent;
a thixotropic additive;
a foaming surfactant;
a gas; and
water;
wherein the foaming surfactant comprises a polyethylene glycol alkyl ether (C6-C10), sulfate ammonium salt.