This paper provides an introduction to the topic of water shutoff and conformance
improvement. After indicating the volumes of water produced during oilfield operations, a …

This review presents our perspective on the factors that have brought polymer flooding to its
current state. Insights are provided on why HPAM is the dominant polymer used as well as …

Nanoemulsions are kinetically stable homogeneous dispersions of immiscible liquids with
droplet sizes in the order of 500 nm. The nano-size droplets are advantageous in enhancing …

This paper provides an extensive review of the polymer concentrations, viscosities, and
bank sizes used during existing and previous polymer floods. On average, these values …

Gel treatment has been widely applied in mature oilfields to improve sweep efficiency and
control water production. Correct numerical simulation is of major importance to the …

In recent times, the application of nanoparticles has been studied by researchers for use in
enhanced oil recovery (EOR). This article presents a comprehensive review of recent …

Unwanted water production is a serious issue in oil-and gas-producing wells. It causes
corrosion, scale, and loss of productivity. One method of treating this problem is to …

Polymer flooding is a widely used commercial process with a low cost per barrel of produced
oil, and hydrolyzed polyacrylamide (HPAM) polymers are the most widely used type of …

Context Polymer microgels are submicron-to-micron size, water-dispersible particles that are
formed through use of a crosslinking agent. Their permeability reduction capabilities, when …

Polymer gel has been established as water‐blocking agents in oil recovery application. In
this practice, a mixture known as gelant is injected into target area and set into a semisolid …