Title:
坑井システム
Document Type and Number:
Japanese Patent JP2005517105
Kind Code:
A
Abstract:
The drilling system includes a work string supporting a bottom hole assembly. The work string including lengths of pipe having a non-metallic portion. The work string preferably includes a composite coiled tubing having a fluid impermeable liner, multiple load carrying layers, and a wear layer. Multiple electrical conductors and data transmission conductors may be embedded in the load carrying layers for carrying current or transmitting data between the bottom hole assembly and the surface. The bottom hole assembly includes a bit, a gamma ray and inclinometer instrument package, a steerable assembly, an electronics section, a transmission, and a power section for rotating the bit. It may or may not include a propulsion system. The drilling system may be a gravity based drilling system that does include a propulsion system. Various motive means may be provided, such as gravity, to apply weight on the bit.
Inventors:
Terry, james, bee
Wilson, Thomas, Pratt
Eppink, Jay, M
Oder, Albert, Sea
Trainer, William, F
Steppe, James, W
Song, haoshi
Wilson, Thomas, Pratt
Eppink, Jay, M
Oder, Albert, Sea
Trainer, William, F
Steppe, James, W
Song, haoshi
Application Number:
JP2003566350A
Publication Date:
June 09, 2005
Filing Date:
January 30, 2003
Export Citation:
Assignee:
Halliburton Energy Services, Inc.
International Classes:
E21B4/00; E21B4/18; E21B7/00; E21B7/06; E21B7/08; E21B17/00; E21B17/02; E21B17/03; E21B17/20; E21B19/07; E21B19/086; E21B19/16; E21B19/22; E21B29/00; E21B29/06; E21B47/01; E21B49/08; G01V3/30; G01V11/00; E21B23/00; E21B; (IPC1-7): E21B29/00; E21B47/00; E21B47/01
Attorney, Agent or Firm:
Hidehiko Okada
Tetsuo Fukuda
Tatsuhiko Inukai
Takashi Ishioka
Tetsuo Fukuda
Tatsuhiko Inukai
Takashi Ishioka