Underground heat exchange system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 7, 1997
Issued Date -
N/A
app pub date -
Sep 12, 1995
filing date -
Sep 12, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention discloses a system and method for simultaneously installing a pipe loop and a grout pipe in a wellbore. In another aspect such a system is then used to grout the wellbore by releasing the grout pipe from the pipe loop or from a bottom member connected with the pipe loop and then introducing grout through the pipe into the wellbore as the grout pipe is removed upwardly from the wellbore. In another aspect a drilling-grouting system is provided with which while one hole is being drilled a previously-drilled hole is being grouted.
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