The primary objectives for centralization design (that is the number, type and spacing of cementing centralizers) should satisfy both the need to get the casing to the bottom as well as zonal isolation. However, despite this being apparently simple and obvious, cementers do not seem to appreciate the fact that without the casing at target […]
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Trapped Pressure risk from incomplete cementing
Primary cementing objective recap Trapped pressure is always something to be aware of in cementing. A common objective of the primary cementing operation of intermediate casings is to have the top of the cement at the surface. In some cases, due to the presence of losses during or after the cement placement, this objective is […]
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