Artificial Lift Techbook 2018

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40 | July 2018 | ARTIFICIAL LIFT: CASE STUDIES I n new field developments and mature assets alike, electrical submersible pumping (ESP) systems are an effective artificial lift method for boosting production rates and extending the economic life of mature wells. But for many operators, conventional rig- deployed ESPs do not always deliver on their prom- ised potential. A limited inventory of rigs to install ESP systems, coupled with prohibitive intervention costs, unreliable electrical connectivity in the well and the increased safety hazards that work crews may face during rig-based deployment, have limited the wider use of ESPs, especially in remote and offshore applications. Coiled tubing-deployed ESP system allows for faster and safer installations in wells both onshore and off. Improving ESP Installs by Removing the Rig By Lara Zsohar and Yahya Sarawaq Baker Hughes, a GE company The first TransCoil system was installed in December 2016 in a well in the Middle East. The well was brought back into production after one year of downtime, producing at a rate of 8,000 bbl/d. The planned rig schedule was not interrupted, and workover costs for the project were approximately one-half of what they would have been using a rig. (Photo courtesy of Baker Hughes, a GE company)

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