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Underbalanced Drilling

Managed Pressure Drilling (MPD)

Managed Pressure Drilling

“Managed Pressure Drilling, MPD, is an adaptive process used to precisely control the annular profile throughout the well bore. The objectives are to ascertain the down‐hole pressure environment limits and to manage the annular hydraulic pressure profile accordingly.

 

This may include the control of back pressure by using a closed and pressurized mud return system, an annular back pressure pump or other such mechanical devices. MPD is intended to avoid continuous influx of formation to surface.”

 

MPD involves drilling utilizing a controlled environment that proactively manipulates the annular pressure profile by increasing or decreasing back pressure at the surface.

The surface pressure can be managed by the incorporation of specialized MPD equipment, such as Rotating Control Flow Diverter (RFCD), MPD choke manifold, and Annular Back Pressure (ABP) pumps.

MPD techniques allow control the annular pressures dynamically, enabling drilling in areas where otherwise it would not be economically or technically attainable with conventional drilling techniques.

The main reasons for considering MPD techniques are shown below:

 

  • To enable drilling

  • Maximize production through minimizing reservoir impairment

  • Reservoir characterization

  • Minimizing NPT

  • Reduce drilling cost

 

 

This technique resolves many traditional drilling problems and hazards. Some of the benefits include:

 

  • Elimination of a casing string

  • Decrease probability of differential sticking

  • Instantaneous reduction/increase in bottom hole pressure (Well control)

  • Reduce probability of lost returns

  • Improve ROP

  • Decrease formation damage

  • Lower probability of formation stability problems

  • Mitigate the problems associated with ballooning

  • Improve hole cleaning

  • Increase the length of the hole that can be drilled

  • Kick detection and control

  • Reservoir characterization

Technological Advantages and Cost Saving Features of our Equipment

Reform Energy Services has taken great pains in designing its own equipment with many innovative features to save time and money, and enhance safety. The following are some of the key differences versus other equipment on the market.

 

MPD semi-automatic manifold with Integrated Control System: Our MPD manifolds have been designed to automatically maintain the annulus surface back pressure during drilling operations within a predetermined pressure operating window by using a set of two tight shut off capable actuated full bore drilling chokes. These are controlled by a PLC based control system to maintain the selected set point pressure using an HMI interface panel for operator input of required settings and for displaying control system output parameters.

 

Higher pressure separators: Most MPD separators have a working pressure of less than 250 psi. Reform Energy Service’s MPD units have a working pressure separator of 500 psi. This translates to less erosion on the equipment and lower costs to you for downtime.Multiple inlets with sleeves: Most separators have only one inlet, which means when it erodes, it causes immediate downtime. Our MPD units have multiple inlets, so flow can be dispersed. We also sleeve the inlets to reduce downtime and cost (sleeves are inexpensive and relatively easy to replace). No heat treatment or radiography is required.

 

Rotating Flow Control Diverter: Our RFCDs are one of the industries newest passive rotating control heads, designed in accordance with API Specification RCD-16. These RFCDs have several unique patent pending design components intended to make this RFCD one of the safest and most efficient available.

CONTACTS

Canada 

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Operations



United States 

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403.539.6219

403.318.4929

403.885.0151

832.957.6093

832.957.6093

832.957.6093

Kurdistan

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Operations   

+964 750.445.6653

+964 770.734.7918

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