Polymer gels are widely used in oil–gas drilling and production engineering for the
purposes of conformance control, water shutoff, fracturing, lost circulation control, etc. Here …

One of the most challenging issues during drilling operations is lost circulation, which can
cause several problems that could lead to increasing the non-productive time (NPT) and …

A cross-linked polymer gel system used for lost-circulation control during drilling with a high-
temperature resistance of 160° C was prepared from a formulation containing 1% of polymer …

One of the most prevalent, expensive, and time-consuming problems during drilling
operations is the loss of circulation. Uncontrolled lost circulation of drilling fluids may lead to …

Drilling fluid loss in fractured formations hinders the progress of oil and gas exploration and
its development worldwide. Improving the success rate of lost circulation control in fractured …

Polymer gels, composed of preformed particle gels and in-situ gels, have generated broad
interest in lost circulation control for decades. However, there are some drawbacks to them …

Retarders are used to prevent hydration of oilwell cement by prolonging thickening and
setting time for cement slurry application under deep and high-temperature conditions …

The coexistence of blowout and lost circulation in multi-pressure fractured reservoirs has
always been a huge challenge to the oil industry. Although the use of high-density kill fluids …

The construction of catalytic membranes with excellent catalytic efficiency and stability has
become a desirable strategy for the treatment of refractory organic wastewater. In this work …

The use of gels in oil production processes has become a regular practice in oilfield
operations and is constantly developing in all oil-producing countries of the world, as …