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 rheology of a gel system composed of polyacrylamide (PAM) and chitosan is studied
under typical reservoir conditions. The impacts of the degree of chitosan deacetylation …

In situ polymer gels have been received as a useful tool for sealing operations such as fluid
loss control during well drilling and workover and completion, well stimulation, water shutoff …

Achieving the ideal replacement for robust biological tissues requires biocompatible
materials with a nuanced blend of characteristics, including organ specific toughness …

Polymer gel has been accepted as a useful tool for solving many sealing operations such as
fluid loss control, enhanced oil recovery, water and gas shutoff, wellbore integrity, and well …

The exploration of a multipressure well is often faced with the problem of blowout and loss of
circulation coexisting. Using a high-density temporary plugging agent to plug the lower layer …

The presence of heavy metals in wastewater has adverse effects on humans and the
ecosystem. The removal of heavy metals from wastewater using adsorbents is a promising …