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Inertial navigation system for directional surveying

Technical Report ·
DOI:https://doi.org/10.2172/6764339· OSTI ID:6764339
A Wellbore Inertial Navigation System (WINS) was developed and tested. Developed for directional surveying of geothermal, oil, and gas wells, the system uses gyros and accelerometers to obtain survey errors of less than 10 ft (approx. 3 m) in a 10,000-ft (approx. 300-m) well. The tool, which communicates with a computer at the surface, is 4 in. (approx. 10 cm) in diameter and 20 ft (approx. 6.1 m) long. The concept and hardware is based on a system developed by Sandia for flight vehicles.
Research Organization:
Sandia National Labs., Albuquerque, NM (USA)
DOE Contract Number:
AC04-76DP00789
OSTI ID:
6764339
Report Number(s):
SAND-82-1668; ON: DE83000406
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020300 -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
15 GEOTHERMAL ENERGY
150901* -- Geothermal Engineering-- Drilling Technology & Well Hardware
DIRECTIONAL DRILLING
DRILLING
GEOTHERMAL WELLS
Geothermal Legacy
INERTIAL GUIDANCE
NATURAL GAS WELLS
NAVIGATIONAL INSTRUMENTS
OIL WELLS
SURVEYS
WELLS