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MPD Cementing

Cementing Solution for Problem Formations

'Managed Pressure Cementing' or 'MPC' is a cementing solution for narrow and ultra narrow pressure windows that cannot be cemented using conventional methods. MPC is a variation of Managed Pressure Drilling (MPD) technology and works on the same principles as MPD.

Challenge/Problem

Cementing pipe in formations that have narrow/ultra narrow pressure windows and challenges such as (a) severe loss of circulation, (b) low formation leak-off, (c) low formation strength, (d) highly faulted and fractured formations, (e) high pressure fluid flows, (f) formation stability issues, etc.

Action/Solution

Perform MPC by using Constant Bottomhole Pressure (CBHP) MPD principles to minimize losses and avoid formation fluid gains, and to place cement at desired depth(s).

Execution/Results

Pruitt Optimal has successfully planned and executed MPC on multiple projects (10+) in USA to cement pipe using static and dynamic Surface Backpressure.

Details

  • An operator in US cemented several wells on a multi well pad using MPC on their production openhole section. MPD was used for drilling the openhole on both intermediate and production sections on 8 wells, while MPC was used on 5 of these wells (≤ 0.5 ppge pressure window).
  • Another operator in US had multiple wells with a very high permeability and communication across multiple formation layers in the production hole. The objective was to stay within a 0.5 ppge window while cementing entire production hole section using multiple density cementing fluids.

Attached Files

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Case Study 02 - MPD Cementing Final.pdfDownload