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Horizontal Well Intervention Re-Stimulation & Remedial Workover Optimization 2014

The continued growth of lateral lengths combined with increasing complexity of fractured stages in horizontal wells mean the risk of wellbore, tubing and casing damage downhole and the complexity of repairs necessary to ensure integrity and productivity has rocketed. This combined with the fact that unconventional wells are also typically depleting 65-85% in the first year and another 20% in the subsequent years mean there is a growing impetus to optimize and innovate workover, re-stimulation and well intervention operations to improve the life of existing wells and restore production to maximize recovery in costly unconventional wells.

Innovations in coiled tubing, conveyance, eline and logging tools and the introduction of techniques for re-completions may ensure that depleting wells can be recovered and production maximized but such operations are not without significant cost implications and technical challenges. Unpredictable complications throughout production including damaged casing, pump changes, blocked perforations and broken and lost equipment downhole incur great risk, come at a high cost to repair and can, of course, result in complete failure of the well. A balance must be struck between optimizing the cost and speed of workovers and remedial well intervention while increasing the long-term effectiveness and safety of operations to reduce the economic risk of repairing wellbores and adequately extend the production time between workovers.

Additionally, the economic viability of re-completions operations is still relatively unknown and the technical challenges of re-fracturing are complex. Operators therefore need to carefully consider the economic gamble in repairing a depleting well or potential in-fill drilling operations against the cost of drilling a new well.

The Horizontal Well Intervention, Re-Stimulation & Remedial Workover Optimization 2014 is the only E&P led forum to provide technical talks and case study based strategies on effective optimization and cost reduction of both workovers and remedial well interventions. Senior E&P presenters will examine techniques for optimizing plug drillouts, cleanouts, coiled tubing interventions, casing repairs and fishing and evaluate how to enable re-completions in depleting wells. The content of the detailed two-day agenda has been created entirely by workover and intervention professional across American unconventional oil & gas operators.

Over two days, production, intervention and completions industry experts will evaluate the most reliable new developments in well servicing tools and technology including coiled tubing strength, fiber optic cable, eline and conveyance tools, expandable casings, workover fluid and corrosion mitigation innovations, straddle packers and dissolvable frac plugs and evaluate the cost of stick pipe vs coiled tubing interventions to determine the most cost-effective investment in well interventions is achieved. Over 18 presentations will be delivered across the following key themes:

  • DRILLOUTS: Examining speed, availability, and reach of stick pipe vs. coiled tubing drillouts to identify which method is most cost-effective
  • MILLING OPTIMIZATION: Comparing methods for selecting BHA and optimizing milling operations to shorten drillout time and effectively clean the hole
  • CORROSION MITIGATION: Examining chemical, mechanical and physical barriers against corrosion development and how to target highly corrosive zones to cost-effectively reduce pipe damage
  • RE-COMPLETIONS: Strategies for recording and analyzing well conditions in depleting wells to locate un-stimulated zones and select optimal wells for re-completions
  • FLUID DIVERSION & ZONAL ISOLATION: How to reduce formation communication between existing perforations and annulus to achieve a high enough pressure and flow rate for re-completion
  • CASING REPAIRS: The comparative benefits, cost and applications for cement squeezes, patches and innovations in cementing to optimize remedial casing repairs
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What Is Different About Horizontal Well Intervention, Re-Stimulation & Remedial Workover Optimization 2014?

  • HORIZONTAL FOCUS: The only congress designed for the specific challenges facing onshore, horizontal well interventions and workovers to provide targeted solutions for the technical challenges that face extended laterals present
  • E&P-LED: This is not a congress led by suppliers or researchers. Over 15 experts from operating companies will be speaking using technical case studies and cost reduction strategies to demonstrate tried and tested methodologies for well interventions
  • REDUCING DOWNTIME FOCUS: The comprehensive two day agenda has been entirely designed towards the end goal of reducing downtime and lowering costs of workovers and well interventions while increasing the longevity of the wellbore
  • RE-COMPLETIONS FOCUS: Presenters on day two will focus on discussing the feasibility of re-completions in horizontal wells to enable dramatic recovery enhancement
  • PRACTICAL SOLUTIONS: This is not a congress analyzing problems - it is a congress delivering tried and tested solutions. All presentations have been developed to offer applicable, practical solutions to the specific group of workover, completions, production and operations professionals
  • LATEST TECHNOLOGIES: Operator case histories will demonstrate the efficiency of the very latest technologies being employed including innovative e-line, tractoring, and logging technology to evaluate most efficient and cost-effective methods for conveyance and logging


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