Investigation of Eco-Friendly HPAM Polymer Performance and Feasibility for Late-Life EOR in Small, Mature, Waxy Oil Reservoir: A Case Study in Maesoon Oilfield, Thailand - Chanapol Charoentanaworakun; Bhanubhong Silla; Jakkarin Paphatchonchaiyakorn; Natthaphon Aorak; Suttavee Aiemla-or (ACS Omega)