In-situ polymerization of dicyclopentadiene for rock reinforcement

Autor: Zhifeng Chen, S. Sherry Zhu
Rok vydání: 2019
Předmět:
Zdroj: Journal of Petroleum Science and Engineering. 173:912-921
ISSN: 0920-4105
Popis: With the advances in the ring opening metathesis polymerization (ROMP) and the recent findings of long term stability of polydicyclopentadiene (pDCPD) in extreme conditions of high temperature and high pressure in water, it's desirable to develop suitable DCPD formulation towards downhole application as sealants or plugs because of its unique advantages as a low viscosity resin to penetrate into rocks and as a cured polymer with high mechanical strength to reinforce rocks. We have optimized the gel time and rheology of the resin before gel point to allow desired diffusion and polymerization of the resin into dry or 50% water saturated rocks. The decrease of rock porosity and permeability confirms the resin diffusion and polymerization inside the rocks. The storage modulus and flexural strength of the rock samples are improved, which favors DCPD's application as sealants, plugs or reinforcements for rock mechanical properties.
Databáze: OpenAIRE