Application Number: 00102576
Application Date: 2000.03.21
Publication Number: 1267701
Publication Date: 2000.09.27
Priority Information:
International: C09K7/02
Applicant(s) Name: Petroleum Univ. (East-China)
Address:
Inventor(s) Name: Ding Rui
Patent Agency Code: 00000
Patent Agent:
Abstract During the construction of oil and gas well, temporary blocking agent containing oil soluble deforming particles is used to prevent damage of unstable well wall and oil reservoirs. The present invention introduces one kind of temporary blocking agent prepared with waste polyolefine as main material and containing at least four components of polyolefine 5-96 wt%, hydrocarbon fraction 0.1-83 wt%, surfactant 0.1-15 wt% and water 0.1-68 wt%.