INSULATIVE COATING PROCESSES FOR ELECTROMAGNETIC TELEMETRY MANDRELS
摘要
Disclosed is a process for applying an insulative coating to a mandrel used in an electromagnetic telemetry antenna assembly. One process includes applying a bond coat to at least a portion of an outer radial surface of a mandrel; applying an electrical isolation layer to the bond coat; applying a first sealant layer to the electrical isolation layer; and heat treating the mandrel in an oven.
申请公布号
EP2904187(A4)
申请公布日期
2016.05.18
申请号
EP20130843211
申请日期
2013.09.30
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
CARTER, DANIEL, PATRICK;HENDRICKS, WILL, EDGAR;ONYA, CHUKA, BENJAMIN