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Title:
METHOD FOR INTRODUCING AN ELONGATED ELEMENT, IN PARTICULAR GEO-THERMAL HEAT EXCHANGER, INTO THE SOIL
Document Type and Number:
WIPO Patent Application WO/2011/126359
Kind Code:
A3
Abstract:
Method for introducing en elongated element into a soil, such as a tubular geothermal heat exchanger, comprising the following steps: - in a drilling motion introducing a drill tube into the soil, which drill tube for that purpose has been provided with a drill head at its lower end, - during the drilling motion supplying a liquid, particularly a bentonite mixture, through the space within the drill tube, - introducing the elongated element in the space within the drill tube, - detaching the drill tube from the drill head, - retracting the drill tube while keeping the elongated element in the soil.

Inventors:
LEHMANN, Reijer, Willem (MJ Lopik, NL-3411, NL)
LEHMAN, Jacob (MJ Lopik, NL-3411, NL)
Application Number:
NL2011/000024
Publication Date:
December 15, 2011
Filing Date:
April 05, 2011
Export Citation:
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Assignee:
GEOTHEX HOLDING B.V. (Ambachtsweg 2A, MJ Lopik, NL-3411, NL)
LEHMANN, Reijer, Willem (MJ Lopik, NL-3411, NL)
LEHMAN, Jacob (MJ Lopik, NL-3411, NL)
International Classes:
F24J3/08; E21B7/00; E21B17/046; E21B19/24
Domestic Patent References:
WO2006089400A12006-08-31
Foreign References:
BE1016899A32007-09-04
US3198269A1965-08-03
NL1010725C12000-06-06
JP2003082970A2003-03-19
US4286651A1981-09-01
DE2930773A11981-02-12
Attorney, Agent or Firm:
FERGUSON, Alexander (Octrooibureau Ferguson B.V, P.O. Box 970, AZ Amersfoort, NL-3800, NL)
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