skip to main content
DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Borehole data transmission apparatus

Abstract

A borehole data transmission apparatus is described whereby a centrifugal pump impeller(s) is used to provide a turbine stage having substantial pressure characteristics in response to changing rotational speed of a shaft for the pressure pulsing of data from the borehole through the drilling mud to the surface of the earth.

Inventors:
Issue Date:
OSTI Identifier:
6252361
Patent Number(s):
5197040
Application Number:
PPN: US 7-860882
Assignee:
HQPR; EDB-93-122607
DOE Contract Number:  
FG01-90CE15471
Resource Type:
Patent
Resource Relation:
Patent File Date: 31 Mar 1992
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; DATA TRANSMISSION SYSTEMS; DESIGN; MWD SYSTEMS; BOREHOLES; DRILL PIPES; DRILLING FLUIDS; PRESSURIZATION; PULSE TECHNIQUES; PUMPS; ROTATION; CAVITIES; DRILLING EQUIPMENT; EQUIPMENT; FLUIDS; MOTION; PIPES; 440400* - Well Logging Instrumentation

Citation Formats

Kotlyar, O M. Borehole data transmission apparatus. United States: N. p., 1993. Web.
Kotlyar, O M. Borehole data transmission apparatus. United States.
Kotlyar, O M. Tue . "Borehole data transmission apparatus". United States.
@article{osti_6252361,
title = {Borehole data transmission apparatus},
author = {Kotlyar, O M},
abstractNote = {A borehole data transmission apparatus is described whereby a centrifugal pump impeller(s) is used to provide a turbine stage having substantial pressure characteristics in response to changing rotational speed of a shaft for the pressure pulsing of data from the borehole through the drilling mud to the surface of the earth.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1993},
month = {3}
}