Awal -managed-pressure-drilling_(mpd)

M anaged- P ressure- D rilling (MPD) Definition: “ MPD is an adaptive drilling process used to precisely control the annular pressure profile throughout the wellbore. The objectives are to ascertain the downhole pressure environment limits and to manage the annular hydraulic pressure profile accordingly.” By: IADC Underbalanced Operations and Managed Pressure Committee. Ref. Frink, P. (2006). “Managed pressure drilling—what’s in a name?” in Drilling Contractor, Mar-Apr. p. 36-39.

Managed-Pressure-Drilling (MPD) Explanation: “ MPD is an adaptive drilling process used to precisely control the annular pressure profile throughout the wellbore. The objectives are to ascertain the downhole pressure environment limits and to manage the annular hydraulic pressure profile accordingly.” By: Dr. Awal. Active, continuous control.

Managed-Pressure-Drilling (MPD) Explanation: “ MPD is an adaptive drilling process used to precisely control the annular pressure profile throughout the wellbore. The objectives are to ascertain the downhole pressure environment limits and to manage the annular hydraulic pressure profile accordingly.” By: Dr. Awal. Active, continuous control of pressure in the un-cased portion.

Managed-Pressure-Drilling (MPD) Explanation: “ MPD is an adaptive drilling process used to precisely control the annular pressure profile throughout the wellbore. The objectives are to ascertain the downhole pressure environment limits and to manage the annular hydraulic pressure profile accordingly.” By: Dr. Awal. Determine Formation Pore & Frac Pr profiles

Managed-Pressure-Drilling (MPD) Explanation: “ MPD is an adaptive drilling process used to precisely control the annular pressure profile throughout the wellbore. The objectives are to ascertain the downhole pressure environment limits and to manage the annular hydraulic pressure profile accordingly.” By: Dr. Awal. Apply ( Pc + Static Pr + / - Friction Pr ) to stay >< Formation Pore & < Frac Pr profiles

How to Manage-Pressure-Drilling The key is Pc > 0 : Apply ( Pc + Static Pr + / - Friction Pr ) to stay >< Formation Pore & < Frac Pr profiles Pc > 0 is possible only when the Drilling Fluid Circulation Loop is a CLOSED SYSTEM.

How to Manage-Pressure-Drilling In Conventional (read: Overbalanced ) drilling method, the only way to control/adjust the Annular Pressure is to: Increase the mud weight, Or Decrease the mud weight. The Pump is not used to control the ECD.

How to Manage-Pressure-Drilling In Conventional (read: Overbalanced ) drilling method, the only way to control/adjust the Annular Pressure is to: Increase the mud weight, Or Decrease the mud weight. The Pump is not used to control the ECD. ,[object Object],[object Object]

How to Manage-Pressure-Drilling ,[object Object],[object Object],[object Object],[object Object],Ref. McCaskill, J. et al. (2006). “Managing wellbore pressure while drilling,” in Drilling Contractor, Mar-Apr. p. 40-42.

How to Manage-Pressure-Drilling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Ref. McCaskill, J. et al. (2006). “Managing wellbore pressure while drilling,” in Drilling Contractor, Mar-Apr. p. 40-42.

Objectives of Manage-Pressure-Drilling ,[object Object],[object Object],[object Object],[object Object],Ref. McCaskill, J. et al. (2006). “Managing wellbore pressure while drilling,” in Drilling Contractor, Mar-Apr. p. 40-42.

Benefits of Manage-Pressure-Drilling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Awal -managed-pressure-drilling_(mpd)

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