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Title: Methods for forming wellbores in heated formations

Patent ·
OSTI ID:1078132

A method for forming a wellbore in a heated formation includes flowing liquid cooling fluid to a bottom hole assembly in a wellbore in a heated formation. At least a portion of the liquid cooling fluid is vaporized at or near a region to be cooled. Vaporizing the liquid cooling fluid absorbs heat from the region to be cooled.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000Sa
Assignee:
Shell Oil Company
Patent Number(s):
8,272,455
Application Number:
R&D Project: 12/250,288
OSTI ID:
1078132
Country of Publication:
United States
Language:
English

References (15)

The Thermal and Structural Properties of a Hanna Basin Coal journal June 1984
Kinetics of oil generation from Colorado oil shale journal June 1978
Converter-fed subsea motor drives journal January 1996
Some Effects of Pressure on Oil-Shale Retorting journal September 1969
The case for frequency domain PD testing in the context of distribution cable journal July 2003
Molecular Mechanism of Oil Shale Pyrolysis in Nitrogen and Hydrogen Atmospheres book August 1983
Application of a Microretort to Problems in Shade Pyrolysis journal July 1970
An Analog Computer for Studying Heat Transfer During a Thermal Recovery Process journal December 1955
The Characteristics of a Low Temperature In Situ Shale Oil conference April 2013
Evaluation of downhole electric impedance heating systems for paraffin control in oil wells journal January 1992
Analysis of oil shale and petroleum source rock pyrolysis by triple quadrupole mass spectrometry: comparisons of gas evolution at the heating rate of 10.degree.C/min journal May 1991
Electrical Heating With Horizontal Wells, The Heat Transfer Problem conference April 2013
Monitoring oil shale retorts by off-gas alkenealkane ratios journal June 1980
Direct Production of Low Pour Point High Gravity Shale Oil journal March 1967
Methods and Energy Sources for Heating Subsurface Geological Formation, Task 1: Heat Delivery Systems report January 2003

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