The present invention concerns a method to produce a porous oxygen-silicon insulating layer comprising following steps:. The invention includes forming corners on the wire that align with inside corners of the magnetic core such that the wire is more tightly wound around the magnetic core. The first and second semi-rigid surfaces are joined together at their first and second curved edges by a second joint structure adapted to permit the first and second semi-rigid surfaces to fold approximately together when the first and second semi-rigid surfaces are adjacent the vehicle. A retarding requirement is determined based on the determined inclination and speed. Finally, the monetary measure for the good are modeled based upon the selected monetary values for each technology. Specific equipment, including novel casing joints, whipstocks, intermediate liners and tubing completion assembly components applicable to new wells are described herein.