Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Explanation: Polymer gel treatments have emerged as another effective tool. These treatments are carried out with aqueous polymer solutions that are pumped into the formation while still fluid. Cross-linking of the polymer solution, by means of which it is transformed into a robust, viscoelastic solid (gel), is triggered by the formation temperature. Presently, the most widely used polymer gel-forming compositions (gelants) employ a polyacrylamide (PAAm) or an acrylamide co-polymer and a chromium [Cr(III)] cross-linker.1,2 Gelants using organic cross-linkers are being applied with increasing frequency in high temperature formations.3,4