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NZS 2403:1991

$66.30

Code of practice for deep geothermal wells

Published By Publication Date Number of Pages
SNZ 1991-06-06 100
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Applies primarily to wells of between 250 m and 3000 m depth with subsurface conditions up to 350oC. Covers drilling, operation, maintenance, repair and abandonment and comprises well design, site preparation, drilling equipment, tools, materials and practices. It includes all subsurface work plus the wellhead up to the top flange of the master valve.

NZS 2403:1991
$66.30