Location of a bore restriction in a tubing string using a bore member
Номер патента: NZ587214A
Опубликовано: 30-03-2012
Автор(ы): Andrew Philip Churchill
Принадлежит: Churchill Drilling Tools Ltd
Опубликовано: 30-03-2012
Автор(ы): Andrew Philip Churchill
Принадлежит: Churchill Drilling Tools Ltd
Реферат: A method of checking for restrictions in a string of tubing located in a hole or bore and comprising a plurality of tubing sections in preparation for use of the tubing sections in a subsequent operation, comprises identifying the diameter of a ball, dart, plug or other device to be passed through the tubing in a subsequent operation, providing a profile 20 in the tubing string, providing a drift member 14 adapted to engage with the profile 20, selecting a drift member 14 diameter at least as great as the diameter of the ball, dart, plug or other device, passing the drift member 14 through the tubing string, determining whether the drift member 14 has engaged with the profile 20, pulling the tubing string out of the hole and separating the tubing sections, and further comprising reconnecting drifted tubing sections, running the resulting tubing string back into the hole, and performing the subsequent operation, wherein the subsequent operation includes running the ball, dart, plug or other device through the reconnected tubing sections.
Device for fixing borehole devices in a pumping and compressor pipe string
Номер патента: RU2768333C9. Автор: Юрий Михайлович Штейнберг,Анатолий Кириллович Пономарев,Сергей Григорьевич Вольпин. Владелец: Федеральное государственное учреждение "Федеральный научный центр Научно-исследовательский институт системных исследований Российской академии наук" (ФГУ ФНЦ НИИСИ РАН). Дата публикации: 2022-04-26.