Embodiments to enhance recovery of hydrocarbons from a formation by altering wettability
at a surface of the formation towards more water-wet are provided. One embodiment …

(57) ABSTRACT A preconditioning fluid is provided for producing crude oil from a
subterranean formation. The preconditioning fluid produces an interface with crude oil in the …

Maintaining or increasing production from wells in mature oil reservoirs with high pressure,
temperature, brine hardness, and salinity is a significant technological and economic …

The development of new technologies based in the design and application of new
molecules to solve problems related to the removal and control of formation damage by …

Typical adsorption isotherms show the characteristic Langmuir behavior. However, in the
presence of a supramolecular surfactant, its corresponding adsorption isotherms, exhibiting …

(56) References Cited US PATENT DOCUMENTS of high temperature, high pressure and
tolerance to high concentrations of divalent ions such as calcium, magnesium, strontium and …

During the application of enhanced oil recovery (EOR) processes, complex operational
issues, such as the deposition of organic compounds (ie, wax, resins, and asphaltenes …

US10597578B2 - Multifunctional foaming composition with wettability modifying, corrosion
inhibitory and mineral scale inhibitory/dispersants properties for high temperature and ultra high …

The present invention is related to the obtaining and using of multifunctional foaming
compositions with wettability modifying, corrosion inhibitory and inhibitory/dispersants …

Embodiments herein select a brine composition to be injected into a formation to alter
wettability at a surface of the formation to enhance recovery of hydrocarbons from the …