Title:
SALTWATER CULTIVATING WELL AND METHOD FOR SINKING THE WELL
Document Type and Number:
Japanese Patent JP3268159
Kind Code:
B2
Abstract:
PURPOSE: To enable the intake of underground deep seawater approximating to a sterile state by checking any penetration of sundry germs, agricultrual chemicals and the like on the ground and fresh water due to a rainfall into a well, and keeping a state of perfect balance in brine by means of pumping, thereby stabilizing the extent of ion concentration high at all times.
CONSTITUTION: Permanent excavation is carried out on the basis of data of those of geologocal structure, electric conductivity, natural water level, thickness in fresh-water layer and brine zone water layer, water level drop, variations or the like in water conductivity obtained by way of test-pit digging, electric conductivity measuring and pumping test processes. In this permanent excavation, topsoil 15 is removed and, after a pretreatment process to form a water- stop layer 4 on a surface of lime-stone is performed, an outer well 1 is excavated and then an inner well 5 being reached to an inner part of the brine zone water layer is excavated, while an intake hole 7 is installed in a position where the brine in specified concentration seeps, locking a casing whose other parts become impermeability.
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| JPS54164340 | METHOD OF CLEANING WELL |
Inventors:
Yoshinobu Shimabukuro
Application Number:
JP7836195A
Publication Date:
March 25, 2002
Filing Date:
March 10, 1995
Export Citation:
Assignee:
Naoya Shimabukuro
International Classes:
E03B3/15; E21B43/00; (IPC1-7): E21B43/00; E03B3/15
Domestic Patent References:
| JP6225661A | ||||
| JP6213689A | ||||
| JP243492A |
Attorney, Agent or Firm:
Shigenobu Oshiro (2 outside)
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