Invention Grant
- Patent Title: Process for coating gravel pack sand with polymeric breaker
- Patent Title (中): 用聚合物破碎机涂覆砾石包砂的方法
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Application No.: US11424194Application Date: 2006-06-14
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Publication No.: US07972997B2Publication Date: 2011-07-05
- Inventor: Charles Svoboda , Hugh Caffery , Li-Jein Lee
- Applicant: Charles Svoboda , Hugh Caffery , Li-Jein Lee
- Applicant Address: US TX Houston
- Assignee: M-I L.L.C.
- Current Assignee: M-I L.L.C.
- Current Assignee Address: US TX Houston
- Agency: Osha • Liang LLP
- Main IPC: E21B43/267
- IPC: E21B43/267 ; C09K8/80
Abstract:
A process for making a coated substrate that includes treating a proppant with a coating agent, wherein the coating agent comprises at least one of monomeric alpha-hydroxycarboxylic acids, alpha-hydroxycarboxylic acid polymers, and combinations thereof, reacting the treated proppant to form a polymer coated proppant, and recovering the polymer coated proppant is disclosed.
Public/Granted literature
- US20070054054A1 PROCESS FOR COATING GRAVEL PACK SAND WITH POLYMERIC BREAKER Public/Granted day:2007-03-08
Information query
IPC分类:
