As one of the most widely used technology to ameliorate the reservoir's heterogeneity,
polymer gels have been applied for more than 60 years. However, how to plug fractured …

Lithologic reservoirs, such as conglomerate reservoirs, exhibit stronger heterogeneity
compared with conventional sandstone reservoirs. Their early stage development usually …

Nanoparticles have recently been widely used in polymer gel systems to enhance gel
strength. However, it is yet unclear how various types of nanoparticles affect the gelation …

This paper surveys the role of re-crosslinkable preformed particle gels (RPPG) in addressing
conformance challenges within mature oilfields. Despite widespread preformed particle gel …

Polymer flooding is the most commonly used method to enhance oil recovery. Due to the
harsh stratum environment, it is particularly important to prepare polymer systems with high …

Gel treatment is an economical and efficient method of controlling excessive water
production. The gelation of in situ gels is prone to being affected by the dilution of formation …

In situ cross-linked polymer gels (ISCPGs) are widely used for conformance control and
enhanced oil recovery (EOR) in heterogeneous petroleum reservoirs. However, the …

A heterogeneous phase combined flooding system composed of polymers, surfactants, and
branched-preformed particle gel (B-PPG) has been successfully applied to enhance oil …

Preformed particle gel (PPG) treatment is a cost-effective technology for controlling
excessive water production. However, PPG exhibits limited plugging efficiency when dealing …

Lost circulation presents a complex challenge in drilling operations. Ascribed to the
favorable remaining in fracture, strong resistance to efflux, and entire gel block rather than …