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Foamer Technology Optimizes Artificial Lift in the Alliance Shale-Gas Field

Recently, Quicksilver Resources and Eni E&P, through its subsidiary Eni US Operating, began a common effort to optimize production and lift costs in the Alliance shale-gas field in the prolific Barnett shale play in Texas. Such efforts included a deeper analysis of artificial-lift performance and exploitation of other deliquefication technologies. Previously, foaming agents had been seldom deployed, but now a comprehensive assessment of their technical and economic performance has been conducted.

Introduction

Hydraulic fracturing is the key technology in unlocking production of shale-gas wells. The production of huge amounts of pumped water affects the life of a shale-gas well; the first phase and dewatering methods have to be considered as crucial aspects of a shale-gas development. In fact, as a consequence of reservoir depletion, the gas rate decreases to a point at which the water cannot be transported out of the wellbore and starts to accumulate.

Methods such as gas lift and plunger lift and the use of smaller tubing diameters, pumps, and foaming agents are commonly adopted to control this situation. Foaming agents do not need downhole modification, can be tested easily on existing wells and facilities, and are chemically compatible with corrosion inhibitors, so the same injection points and devices can be used.

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 160282, “Artificial-Lift Optimization With Foamer Technology in the Alliance Shale-Gas Field” by Lisa Farina, Claudio Passucci, Alberto Di Lullo, and Emanuele Negri, Eni; Osvaldo Pascolini, Eni US Operating; and Shawn Anderson and Stan Page, Quicksilver, prepared for the 2012 SPE Annual Technical Conference and Exhibition, San Antonio, Texas, USA, 8–10 October. The paper has not been peer reviewed.
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Foamer Technology Optimizes Artificial Lift in the Alliance Shale-Gas Field

01 July 2013

Volume: 65 | Issue: 7

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