Alternative Deployed ESP systems

Introduction to Alternative Deployed ESP systems

Todays focus on Marginal fields, requiring Artificial lift to enable or boost recovery. 

The most efficient and economical way to produce these small fields is to use submersible pumping systems The major costs are not the initial installation (CAPEX) but the OPEX involved in servicing the ESP.


PROBLEM: How to quickly and economically change out the submersible pumps offshore.

What is alternative deployed?

Alternative deployed ESP systems are installed on other than conventional tubulars.


Why?

1-High Cost of Conventional Deployment :

• Mobilization cost
• Operational cost

2-Timing of conventional deployment :

• Mobilization time & resultant deferred Oil

3-Need for live well deployment :

• eliminate reservoir damage

Alternative ESP Completion Options : 

• Dual LIFE* ESP Deployed on jointed tubing, external power cable :

          Fluid produced through jointed tubing (back up pump to minimize deferred oil)

• Standard ESP deployed on coiled tubing, external power cable :

           Fluid produced through the coiled tubing (eliminate rig requirement)

• Inverted ESP run on a load carrying wireline, stabbed into a packer/profile :

           Fluid produced up the casing annulus or production casing

• Inverted ESP run on coiled tubing, external power cable, stabbed into packer or landed in a profile :

          Fluid produced through the annulus

• Inverted ESP run on coiled tubing, internal power cable, stabbed into packer or landed in a profile  - REDACoil :

          Fluid produced through the casing/liner annulus