	US 11,999,897 B2
	Polymer blends for use in wellbore applications
Sandeep Thatathil, Singapore (SG); Shashwat Shukla, Singapore (SG); and Arpana Singh, Singapore (SG)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Sep. 14, 2021, as Appl. No. 17/474,592.
Prior Publication US 2023/0082733 A1, Mar. 16, 2023
Int. Cl. C08F 10/06 (2006.01); C08F 14/26 (2006.01); C08F 14/28 (2006.01); C08L 15/02 (2006.01); C09K 8/508 (2006.01)

CPC C09K 8/5083 (2013.01) [C08F 10/06 (2013.01); C08F 14/26 (2013.01); C08F 14/28 (2013.01); C08L 15/02 (2013.01)]

19 Claims

1. An elastomer composition for use in a wellbore or wellbore operation, comprising:

an elastomer blend;

one or more additives;

one or more fillers; and

one or more curative agents;

wherein the elastomer blend is a blend consisting of a partially fluorinated elastomer and a fluorocarbon rubber elastomer, wherein the partially fluorinated elastomer and the fluorocarbon rubber elastomer are immiscible, wherein the elastomer blend exhibits a first glass transition temperature at a first temperature of from −40° C. to −5° C. and a second glass transition temperature at a second temperature of from −15° C. to 5° C.