公开(公告)号：US20230323189A1

公开(公告)日：2023-10-12

申请号：US18332821

申请日：2023-06-12

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Kevin A. HARNSBERRY ,  Paul Scott NORTHROP

IPC: C09K8/532 ,  C09K8/74

CPC classification number: C09K8/532 ,  C09K8/74

Abstract: Solvent mixtures for downhole elemental sulfur removal and formation stimulation, and methods for utilizing such solvent mixtures, are described herein. One method includes providing a solvent mixture that includes an elemental sulfur solvent fraction and an odorant fraction that includes a lactate ester solvent. The method also includes injecting the solvent mixture into a hydrocarbon well such that the elemental sulfur solvent fraction of the solvent mixture dissolves elemental sulfur deposited on well components, and contacting the solvent mixture with water such that the lactate ester solvent within the odorant fraction reacts with the water to generate lactic acid. The method further includes stimulating a formation through which the hydrocarbon well extends by flowing the solvent mixture including the lactic acid through the hydrocarbon well and into the formation.