Well spacer/tie-back template

A well spacer/tie-back template is a multiwell template used as a drilling guide to predrill wells at a single seabed location.

Often this type of template is used prior to installing a surface facility above the template to which the wells are subsequently tied back (see Figure A.19). The wells can also be completed using subsea trees and individual production risers from each subsea tree, tied back to a floating or fixed host facility located above the template. Alternatively, a manifold may be subsequently landed on the template, thus effectively converting this system into a multiwell manifold template, as described further below.

Source: API RP 17A, Design and Operation of Subsea Production Systems—General Requirements and Recommendations, Fourth Edition, Reaffirmed 2011. Global Standards


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