The tubing of a cased petroleum well is heated for any purpose such as to prevent deposition of solids by coupling a microwave source to the well annulus at the surface and transmitting the waves down the annulus. Special coupling means is provided to couple at the annulus to accommodate the arbitrary positions of naturally occurring microwaves in the annulus of the well.
申请公布号
US4678034(A)
申请公布日期
1987.07.07
申请号
US19860867338
申请日期
1986.05.23
申请人
FORMATION DAMAGE REMOVAL CORPORATION
发明人
EASTLUND, BERNARD J.;SCHMITT, KENNETH J.;BASS, RONALD M.