Abstract: An improved method and apparatus for operating or setting equipment within a subsea marine wellhead from the surface having an indicating signal provided at the surface of the successful completion of such operation. The steps of the method include the lowering of a well component and the detecting and transmitting equipment on a running string from the surface; detecting the successful completion of the subsea operation, and transmitting to the surface of a signal signifying that the operations within the subsea well head have been successfully completed.

Abstract: The present invention relates to a method and an apparatus for making a casing patch while the casing is held under tension. The method includes the steps of lowering a casing patch tool to position the annular member to which the upper end of the casing is to be connected and a casing protection collar both in surrounding relationship to the upper end of the casing and with the cold forging tool and the tensioning spear within the casing, setting the spear within the casing at a level surrounded by the casing protection collar, pulling on the spear to tension the casing, and cold forging the casing into tight gripping and sealing engagement with the annular member.