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Webinar Download: Gas Lift: Lessons Learned in Canadian Unconventional Shale Plays

Webinar Download: Gas Lift: Lessons Learned in Canadian Unconventional Shale Plays

←  SPE - Calgary Section

Gas Lift: Lessons Learned in Canadian Unconventional Shale Plays

Date: Tuesday February 23rd, 2021
Speaker: Dean Gordon

SPE Members: Free, Non Members: $10

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The resurgence of gas lift as a viable method of artificial lift in Canada has taken hold. Historically known as being dependable for wells producing wide ranges of production, GLR’s, sand content and well deviations, gas lift has once again proven itself over the past decade. Current estimates are 75% of Montney and Duvernay produced wells requiring lift have chosen gas lift. Viking and Cardium production have also benefited from gas lift being reviewed as cost effective method from a CAPEX and OPEX perspective. The progression from continuous flow gas lift to PAGL (plunger assisted gas lift) and GAPL (gas assisted plunger lift) has allowed many operators to extend out this method of lift on the wells natural decline curve.

Current horizontal drilling and completion technology have provided many challenges in today’s daily production practices. Starting out as high fluid and gas rates carrying large quantities of frac sand to surface, flush production from shut ins (+- 3000m HZ) and declining reservoir pressures has compelled operators to reevaluate long term lift choices.

The transition to understanding gas lift operations has not been without lessons learned and reestablishing industry best practices whilst writing new practices for the challenges on hand. I will present brief technical summaries on the following

  • Well evaluation -friction vs velocity designing / tubing size review
    • Living with early decisions
  • Pressure differential – Injection pressure vs line pressure
    • What’s optimal and what’s restrictive – minimum required
  • Startup and unloading practices – the early killer
    • – best practices / API recommendation
  • Point of injection – well simulation
    • Multi pointing cause and effect
    • Gas passage calculations and limitations
    • Determination methods
  • Valve performance – understanding IPO valve mechanics
    • Opening & closing pressures
    • Temperature affect / chattering

Speaker Bio:

Dean Gordon has worked in the production and artificial lift facet for the last 35 years. Predominately in gas lift evaluation, design, implementation, optimizing / troubleshooting, with a decade involvement in plunger lift and hydraulic lift businesses as well. He also has extensive working experience with NODAL Analysis combined with field involvement. His experience also includes Regional Business Manager for Production & Testing Services, Operations Manager for Western Canada Artificial Lift Systems, Product Line Manager for RRP while working closely with completions and software / automation groups. Dean is a strong team leader and has been successful and efficient in managing all aspects of prior businesses including project management, market analysis, QHSSE, OEPS, inventory management and career development. Mr. Gordons current role is North American Product Line Manager for Gas Lift, Hydraulic Lift and Capillary Lift.     

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