Saudi Arabian Oil Company

King Fahd University of Petroleum and Minerals

Nour Baqader

Rajendra Arunkumar Kalgaonkar

Nisar Ullah

Muhammad Mansha

Mohammed Abudullah Bataweel

Khalid Alnoaimi

Muhammed Mansha

A method of controlling a permeability zone in a reservoir includes introducing a diverter agent comprising a morpholinium based zwitterionic surfactant including a sulfonate terminal moiety, an ammonium-based zwitterionic surfactant, and an activator in a wellbore. Once introduced, the diverter agent contacts a high permeability zone in the reservoir. The diverter agent heats and gels to form a gelled diverter agent in the high permeability zone, subsequently forming a zone of decreased permeability.

Viscoelastic surfactants for acid diversion in downhole operations

A diverter agent includes a morpholinium based zwitterionic surfactant having a sulfonate terminal moiety; and an ammonium based zwitterionic surfactant.

Methods and materials for wellbore fluid diversion using visco-elastic surfactants

A wellbore fluid may include a gemini surfactant, a zwitterionic surfactant; an activator, and an aqueous base fluid. The gemini surfactant may have a structure represented by formula (I): where Ris a C-Chydrocarbon group or a monovalent cation, Ris a C-Chydrocarbon group, m is an integer ranging from 1 to 4, n is an integer ranging from 8 to 12, and X is a monovalent anion.

Methods and compositions using a combination of zwitterionic surfactants and gemini surfactants as diversion agents

A wellbore fluid may include a gemini surfactant, a zwitterionic surfactant, an activator, and an aqueous base fluid. The gemini surfactant may have a structure represented by formula (I):  where Ris a C-Chydrocarbon group, m and o are each, independently, an integer ranging from 1 to 4, and n is an integer ranging from 8 to 12.

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Khobar, Saudi Arabia

Nour Baqader