COMPOSITIONS AND METHODS FOR THE RECOVERY OF OIL UNDER HARSH CONDITIONS

• Main Authors: WEST, SCOTT P, NIZAMIDIN, NABIJAN, DWARAKANATH, VARADARAJAN, WILHELM, AARON, PINNAWALA, GAYANI W, TANG, GUO-QING
• Format: Patent
• Language: English; French
• Published: 29.07.2021
• Subjects: ADHESIVES; CHEMISTRY; DYES; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MINING; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PAINTS; POLISHES

Described herein are surfactant compositions for use in oil and gas operations. The surfactant compositions are stable under harsh conditions, including in formations that exhibit high salinity, high temperature, and/or high H2S concentration. Also provided are methods of using these compositions. S...