Patents by Inventor Filipp G. Arzamastsev

Filipp G. Arzamastsev has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of construction of multiple-string wells
    Patent number: 4976322
    Abstract: The method of well construction includes the steps of drilling the rock and consolidating it with a conductor casing, a surface casing string and a flow string, and isolating the troublesome zones of the well with profile pipes being reamed in the course of their setting. The reaming of the profile pipes is effected by building up a pressure drop across them and subsequently expanding them. The drilling of the rock after the casing-in of the well with the conductor casing and the surface casing string is preformed with a bit of one and the same diameter, with the troublesome zones being reamed to a diameter equalling the outer diameter of the reamed profile pipes which are successively set in all the troublesome zones of the well as they are exposed by the drilling.
    Type: Grant
    Filed: September 20, 1989
    Date of Patent: December 11, 1990
    Inventors: Gabrashit S. Abdrakhmanov, Albert G. Zainullin, Filipp G. Arzamastsev, Rashid A. Uteshev, Rustam K. Ibat Ullin, Izil G. Jusupov, Anatoly V. Perov, Midkhat R. Mavljutov, Rashit K. Sannikov, Vil F. Galiakbarov, Ilyas A. Urazgildin