1. ALRDC Seminar New and Novel Artificial Lift Technologies ConocoPhillips, Houston, Texas May 14, 2014 3 ½” Inverse Gas Lift System and Dual Flow Hanger Norman Strachan; Jerry Sutton; Brian Marr, Weatherford Presented by: Norman Strachan, Global Product Manager, Aberdeen

2. Contents Overview of an IGLS. Components of a system. Description of new technology. Development status. Industry support needed. May 14th, 2014 ALRDC Seminar, New and Novel Artificial Lift Technologies, ConocoPhillips, Houston, Texas 2

3. Overview of IGLS IGLS provides retrofit gas injection via an insert string. –Insert string can be Coiled Tubing or Macaroni String. –Production via annulus between insert string and existing tubing. –Gas tight casing not required. –Suitable for mono-bore and cemented completions. –Full well depth injection possible. –Installed using traditional intervention techniques. –Utilises existing tree with new intermediate spool. –Maintains fully functional master valves and SCSSV. –Fully removable with no effect on original completion. May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 3

4. Gas Injection valve and Coiled Tubing Dual Flow Safety Valve Suspension Hanger / Dual Flow Hanger Seal Stinger and Jointed Pipe Concentric HangerIntermediate Spool IGLS Components – Bottom up May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 4

5. Existing Sizes of DFSV May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 5 Tubing SizeSeal Bore 4 ½”3.813 5 ½” 4.313 4.562 7” 5.750 5.950

6. Description of New Technology Propose 2 new technology developments that work hand in hand. –Develop a 3 ½” Dual Flow Safety Valve. New size to serve a wider market. Suggest 2.750” and 2.812” SSV Seal bores initially. –Advance the hanger design Develop a Dual Flow Hanger (DFH) –Maximise Flow areas. –Reduce system costs. –Simplify deployment. –Complete system review and optimisation Hanging capacity, Temperature, Flow areas (injection to production ratio) etc. May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 6

7. Development Status Conceptual design complete on both developments. To date systems have been a client specific design requiring extensive eng. resources for each project. Optimisation and standardisation of design required. May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 7

8. 3-1/2” DFSV Concept OD 2.740”. Inner bore ID 0.75”?. Pressure rating 5000psi (Is this required). Temperature rating 135C or higher? Self Equalising. Damaged Seal Bore option? May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 8

9. Dual Flow Hanger Nipple types common to all operators. –Halliburton –Baker –Camco/Schlumberger No-Go and Selective. Can we get the most common 2 or 3 lock types. Damaged Seal Bore option? May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 9

10. What Support is Needed from Industry? Gauging of market potential and industry needs. Input on size standardization. Optimisation of production and injection paths. Partnerships to ensure final product is what the industry requires. R&D funding. Field trials. May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 10

11. R&D Funding and Field Trials Are there any Operators willing to help develop and fund this project. The more participants the wider the cost would be spread. Additionally this would allow standardisation of design and dimensions that would be accepted by all. No one wants to be the first. Are there clients willing to offer a well for trial. This would then give Operators additional information for justification. May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 11

12. 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 ALRDC Seminar for New or Novel Artificial Lift Technologies, they grant to the Artificial Lift Research and Development Council (ALRDC) rights to: –Display the presentation at the Seminar. –Place it on the www.alrdc.com web site. Other use of this presentation is prohibited without the expressed written permission of the author(s). The owner company(ies) and/or author(s) may publish this material in other journals or magazines if they refer to the ALRDC Seminar where it was first presented. May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 12

13. Disclaimer The Artificial Lift Research and Development Council and its officers and trustees, and the ALRDC Seminar 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 and their company(ies), provide this presentation at the ALRDC Seminar "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 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. May 14, 2014 2014 ALRDC Seminar for New or Novel Artificial Lift Technologies, Houston, Texas 13