The maximum uplift force during spud can extraction.

Source: API RP 781 Security Plan Methodology for the Oil and Natural Gas Industries.1st Ed. September 2016. Global Standards


Mechanical process resulting in a division of particles on the basis of size by their acceptance or rejection by a screening surface.

Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global Standards



“Screening” means an environmental assessment that is conducted pursuant to section 18 and that includes a consideration of the factors set out in subsection 16(1); examen préalable.

Source: Canadian Environmental Assessment Act, 1992, c. 37, Canada, as consolidated November 2003. Legislation

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