Method and apparatus for forming an insulated oil well casing
Номер патента: CA1274172A
Опубликовано: 18-09-1990
Автор(ы): Homer L. Spencer, Jack E. Bridges, Joseph O. Enk, Vincent R. Young
Принадлежит: Uentech Corp
Опубликовано: 18-09-1990
Автор(ы): Homer L. Spencer, Jack E. Bridges, Joseph O. Enk, Vincent R. Young
Принадлежит: Uentech Corp
Реферат: METHOD AND APPARATUS FOR FORMING AN INSULATED OIL WELL CASING Abstract of the Disclosure A method and apparatus for forming an electrically conductive externally insulated casing for an oil well of the type in which the casing carries electrical current to a primary heating electrode positioned downhole, using multiple prefabricated casing segments; each casing segment is a long steel pipe having a female thread coupling on one end and a male thread on the other end. Each segment has an insulator covering, over substantially all of its length, that has a figure of merit
Apparatus for, and Method of, Controlling Sand Production from an Oil Well
Номер патента: GB2595491A. Автор: Skåland Aksel. Владелец: Fourphase AS. Дата публикации: 2021-12-01.