One of the more exciting aspects of artificial lift is the constant influx of new technologies and new ideas that the discipline invites. Inventors appear to be regularly developing “the next new thing” in artificial lift. Some ideas are so brilliant and so obvious, you ask yourself, “Why didn’t I think of that?” Other ideas seem so zany and so ill-conceived, you ask yourself, “What were they thinking?” In every case, these new technologies have the same goal: To produce more oil and gas more reliably and more cost-effectively.
One of my artificial-lift mentors has such a long history of developing and championing new downhole pumping technologies that he once described his career as the “relentless pursuit of the everlasting pump.” Even in retirement, he continues this lifelong passion. Yet, it occurs to me that the everlasting pump may actually exist today—through the correct application of field-proven technology. Although we seem to have a never-ending supply of new artificial-lift technologies, the technologies that consistently allow us to achieve our technical and business goals are usually the old ones. There is a catch, however: You need to apply those technologies correctly.
Applying artificial-lift technology correctly means selecting the right lift method in the first place, selecting the right system components, installing the equipment correctly, performing effective surveillance, and performing root-cause failure analysis so that we can learn from our mistakes and enable continuous improvement. All of this requires a coordinated effort, not just between vendors and operators but also between the various groups within the operating companies themselves. Each of these groups has a stake in the success of the well and should be aligned around a common set of goals to ensure that the artificial-lift system performs reliably and delivers optimal production and does so in a cost-effective manner.
All of the papers selected for this section concern the correct application of field-proven artificial-lift technology. Paper SPE 181216 describes the surveillance methods used by one operator to improve the reliability and performance of their beam pumping systems. Paper SPE 186254 describes a method to deploy electrical submersible pumps in gassy horizontal wells to improve gas handling and mitigate slugging. Paper SPE 186110, written by one of our recent Legends of Artificial Lift inductees, provides new insights into the application of injection-pressure-operated gas-lift valves, to allow operators to improve the design and overall reliability of gas-lift installations.
To see more great artificial-lift papers like these and to welcome our latest class of Legends, I invite you to join us for the 2018 SPE Artificial Lift Conference and Exhibition—Americas on 28–30 August 2018 in The Woodlands, Texas, USA.
This Month's Technical Papers
Recommended Additional Reading
OTC 28123 A Step Change in Safety and Quality for ESP Deployment in the North Sea by L. Pastre, Schlumberger, et al.
SPE 190090 Detecting Failures and Optimizing Performance in Artificial Lift Using Machine Learning Models by Mike Pennel, OspreyData, et al.
SPE 187490 A Novel Approach to Distributed Field-Based Gas-Lift Facilities by Siddharth Mullick, Anadarko Petroleum, et al.
Greg Stephenson, SPE, Senior Engineering Adviser, Occidental Petroleum
01 July 2018
Interview With George King: Better Practices for Well Shut In and Startup
The industry has very limited experience in shuttering production on a large scale in unconventional reservoirs. Many questions remain on how stimulated, nanodarcy shale reservoirs may respond. George King discusses the paradigm shifts needed in the industry.
The Great Shale Shut-In: Uncharted Territory for Technical Experts
As tight-oil producers move to curtail production, hard-to-answer questions are being raised about how shuttered wells will come back. The issue reveals key uncertainties about the delicate flow paths that define unconventional reservoirs.
Subsurface Compression Lifts Liquids, Increases Gas Production in Unconventional Well Trial
A downhole compressor solution based on advanced magnetic technologies completed its first field trials in an unconventional gas well. It resulted in a 62% increase in gas production and significant increase in liquid production compared to using a rod pump previously in the well
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