• 专利标题:   Well wall repairing agent for crushing stratum, comprises superfine cement, elastic binder, high temperature stabilizer, interface reinforcing agent, water, where the elastic adhesive comprises elastic epoxy resin, epoxy resin emulsifier.
  • 专利号:   CN113845890-A, CN113845890-B
  • 发明人:   ZHANG Y, ZHANG D, WU X, ZHAO S, LIU J, WANG W, LI F, LI D, JIN J
  • 专利权人:   SINOPEC RES INST PETROLEUM ENG, CHINA PETROLEUM CHEM CORP
  • 国际专利分类:   C09K008/42, C09K008/467
  • 专利详细信息:   CN113845890-A 28 Dec 2021 C09K-008/42 202223 Chinese
  • 申请详细信息:   CN113845890-A CN10596610 28 Jun 2020
  • 优先权号:   CN10596610

▎ 摘  要

NOVELTY - Well wall repairing agent comprises 100 pts. wt. superfine cement, 10-30 pts. wt. elastic binder, 1-35 pts. wt. high temperature stabilizer, 1-10 pts. wt. interface reinforcing agent, 40-70 pts. wt. water, where the elastic adhesive comprises elastic epoxy resin, epoxy resin emulsifier, latent curing agent, nano-material component. USE - Well wall repairing agent used for crushing stratum. ADVANTAGE - The agent solves the crushing stratum collapse caused by the complex drill and ensures the safety drilling in the later period. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing a well wall repairing agent involving: a. mixing the components containing the superfine cement, high temperature stabilizer, elastic adhesive, interface reinforcing agent, water according to the dosage and stirring to obtain product.