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SNZ NZS 2403

Code of practice for deep geothermal wells

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Organization: SNZ
Publication Date: 30 April 2015
Status: active
Page Count: 116
scope:

Application of the code

The good practices specified in this code may be applied to a range of circumstances. However, it is applicable specifically to geothermal wells that

(a) Reach, or may reasonably be expected to reach, a depth exceeding 250 m and contain predominantly water or steam at temperatures exceeding the boiling point of water for the mean ambient conditions at the surface of the well site; or

(b) Reach, or may reasonably be expected to reach, a depth of between 150 m and 250 m, and that:

(i) Contain steam or hot water that may reasonably be expected to exert a shutin pressure at the wellhead of 0.5 MPa or greater, or

(ii) Have expected or actual downhole temperatures within 20°C of the boilingpoint- for-depth (BPD) temperature as measured from the local water level.

Document History

SNZ NZS 2403
April 30, 2015
Code of practice for deep geothermal wells
Application of the code The good practices specified in this code may be applied to a range of circumstances. However, it is applicable specifically to geothermal wells that (a) Reach, or may...
January 1, 1991
Code of Practice for Deep Geothermal Wells
A description is not available for this item.

References

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