1. Gas Well Deliquification Workshop Sheraton Hotel, Denver, Colorado February 22 - 25, 2015 Gas Well Deliquification Breakout Session Troubleshooting Gas-Lift Systems Session Coordinators: Mike Wood & Mark Laine Weatherford International

2. February 24 th, 2015 2015 Gas Well Workshop2 Breakout Session Details Session Purpose Identify Industry Gas Lift Related Challenges, Needs, Advances……. Number of Attendees= 20 –Operating Companies= 15 –Service / Supply Companies= 5 –Others= 0 Duration of Session: 2:30- 3:45 Good interaction and open discussion between operators and service companies.

3. 2015 Gas Well Workshop3 Primary Discussion Points Point 1: Over-Injection & Optimization  How to determine optimal inj. rates in Poor-Boy Gas Lift in Gas Wells, No Packer Use Critical Unloading Velocity Use Nodal Analysis System Deliverability Plots  Each time a well is brought online, high liquid rates initially, then decreases Inj. gas pressure is acting against the formation Install a packer February 24, 2015

4. 2015 Gas Well Workshop4 Primary Discussion Points Point 2: Shared Compression on Multi-Well Pads Prioritize the wells to bring on Automation to assist ramp-up Packer wells – Use IPO bottom valve to conserve casing pressure Use API unloading procedure to avoid cutting out valves Take the time to bring wells on properly February 24, 2015

5. 2015 Gas Well Workshop5 Primary Discussion Points Point 3: What is a Good Gas Lift Application? High GLR/GOR Compression in the field Gas available in high volumes If you see gas interference in pumps Point 4: Advanced Troubleshooting Modeling, Surveys Real-Time Information February 24, 2015

6. 6 Summary Key Learings - Mentioned Previously Should This Session Be Repeated in the Future? YES February 24, 2015 2015 Gas Well Workshop

7. Why are we here………..? Facilitate an industry discussion on Gas Lift What industry challenges are we facing? We can all learn from our collective experiences! This works best with input from both: –Operators –Service Companies This is not a service company commercial! –Let’s police ourselves on this one –Open polite discussions! One Conversation at a time March 1, 2011 2014 Gas Well Workshop7

8. Let’s Get Started…….. Please introduce yourself to the group…. –Name –Company –Gas Lift Experience –Brief summary of what you would like to get out of this breakout session….. I am experiencing this problem…. I would like to know how…..? I would like to share this technology….. How do I………….? March 1, 2011 2014 Gas Well Workshop8

9. February 24, 2015 2015 Gas Well Workshop9 Copyright Rights to this presentation are owned by the company(ies) and/or author(s) listed on the title page. By submitting this presentation to the Gas Well Deliquification Workshop, they grant to the Workshop, the Artificial Lift Research and Development Council (ALRDC), and the Southwestern Petroleum Short Course (SWPSC), rights to: –Display the presentation at the Workshop. –Place it on the www.alrdc.com web site, with access to the site to be as directed by the Workshop Steering Committee. –Place it on a CD for distribution and/or sale as directed by the Workshop Steering Committee. Other uses of this presentation are prohibited without the expressed written permission of the company(ies) and/or author(s) who own it and the Workshop Steering Committee.

10. 2015 Gas Well Workshop10 Disclaimer The following disclaimer shall be included as the last page of a Technical Presentation or Continuing Education Course. A similar disclaimer is included on the front page of the Gas Well Deliquification Web Site. The Artificial Lift Research and Development Council and its officers and trustees, and the Gas Well Deliquification Workshop Steering Committee members, and their supporting organizations and companies (here-in-after referred to as the Sponsoring Organizations), and the author(s) of this Technical Presentation or Continuing Education Training Course and their company(ies), provide this presentation and/or training material at the Gas Well Deliquification Workshop "as is" without any warranty of any kind, express or implied, as to the accuracy of the information or the products or services referred to by any presenter (in so far as such warranties may be excluded under any relevant law) and these members and their companies will not be liable for unlawful actions and any losses or damage that may result from use of any presentation as a consequence of any inaccuracies in, or any omission from, the information which therein may be contained. The views, opinions, and conclusions expressed in these presentations and/or training materials are those of the author and not necessarily those of the Sponsoring Organizations. The author is solely responsible for the content of the materials. The Sponsoring Organizations cannot and do not warrant the accuracy of these documents beyond the source documents, although we do make every attempt to work from authoritative sources. The Sponsoring Organizations provide these presentations and/or training materials as a service. The Sponsoring Organizations make no representations or warranties, express or implied, with respect to the presentations and/or training materials, or any part thereof, including any warrantees of title, non-infringement of copyright or patent rights of others, merchantability, or fitness or suitability for any purpose. February 24, 2015