ZEiTECS Shuttle System Decreases ESP Replacement Time by 87% | SLB
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ZEiTECS Shuttle System Decreases ESP Replacement Time by 87%

Published: 09/17/2015

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Graph: ZEiTECS Shuttle System Decreases ESP Replacement Time by 87%
In response to this challenge, the 550 series ZEiTECS Shuttle system was installed in the well with a standard 450 / 400 series ESP. The ESP ran for 72 days when it experienced an unexpected failure. After the initial response, the ZEiTECS Shuttle system was used to riglessly replace the ESP on coiled tubing in 1 day, 21 hours, and 15 minutes.
Location
Ecuador, South America
Details

Ecuador

Temperature
246 degF [119 degC]
 
Pump setting depth
7,575 ft [2,309 m]
 
Casing size
95/8 in
 
Casing weight
47 lbm/ft [69.9 kg/m]
 
Motor OD
4.50 in [11.43 cm]
 
Pump OD
4.00 in [10.16 cm]
 
Well inclination
31.56°

Background
After experiencing multiple ESP failures, a customer needed to reduce well downtime when replacing the ESP. In Ecuador, it is typical for rigs and hoists to take 7 to 10 days to respond to an ESP failure and then an additional 4 days to replace an ESP on jointed tubing. For this well, the inability to quickly source a rig or rapidly retrieve ESPs would result in deferred production of up to 9,000 bbl for each heavy workover required.
Products Used
Shuttle rigless electric submersible pumps
Replacement system

Retrieve and deploy any standard ESP assembly without a rig using wireline, coiled tubing, or sucker rods.
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