US 12,331,244 B2
Alkyl lactone-derived hydroxyamides and alkyl lactone-derived hydroxyesters for the control of natural gas hydrates
Jeremy Wayne Bartels, Sugar Land, TX (US); and Jeffrey M. Servesko, Bend, OR (US)
Filed by ChampionX LLC, Sugar Land, TX (US)
Filed on May 30, 2024, as Appl. No. 18/678,158.
Application 18/678,158 is a continuation of application No. 17/861,360, filed on Jul. 11, 2022, granted, now 12,037,539.
Application 17/861,360 is a continuation of application No. 16/507,873, filed on Jul. 10, 2019, granted, now 11,414,588, issued on Aug. 16, 2022.
Claims priority of provisional application 62/697,153, filed on Jul. 12, 2018.
Prior Publication US 2024/0318065 A1, Sep. 26, 2024
Int. Cl. C09K 8/524 (2006.01); C07C 237/10 (2006.01); C07D 223/04 (2006.01); C09K 8/52 (2006.01)
CPC C09K 8/524 (2013.01) [C07C 237/10 (2013.01); C07D 223/04 (2013.01); C09K 8/52 (2013.01); C09K 2208/22 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method of inhibiting formation of agglomerates of natural gas hydrates, the method comprising:
introducing into a fluid a composition comprising an alkyl lactone-derived hydroxyester to inhibit formation of the agglomerates of the natural gas hydrates, wherein the alkyl lactone-derived hydroxyester comprises:

OG Complex Work Unit Chemistry