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Sand Production Management


COURSE AND WORKSHOP

Feb. 25 - March 1, 2018

Instructor : Bill Ott, Ph.D.


WHO SHOULD ATTEND

Petroleum and Production engineers, Operation and development geologists, supervisors and managers.

COURSE OBJECTIVES

The business of fueling the world through hydrocarbon production must be carried out with optimum profitability. Participants will learn how sand production and inadvertent formation damage can erode these profits. Methods and procedures will be presented to guide the participants in decision making with regard to completing a well with optimum control of formation sand while incurring minimal damage to the well or production zone. Extensive theory will be presented illustrating why certain practices should either be employed or strictly avoided. The very latest in the use of forecasting methods, tools, techniques, and personal experiences will be presented.

The course will use lecture and class discussion. PowerPoint slides will serve as visual aids and as the lecture outline. Hands-on participation will be included in the form of problem solving exercises and learning helps.

COURSE OUTLINE

1) Day One:
  • Introduction to the causes and effect of sand production
    • The geology of sedimentary formations
    • The nature of cohesive failure, and contributing issues
    • Terms that describe sanding formations
  • Prediction of formation behavior
    • Formation properties logs used to predict sand propensity to produce
    • Understanding each element of Darcy's Law
    • Drawdown issues, predictions and calculations
    • Time dependence and multiphase flow
  • Productivity and flow efficiency
    • The concept of radial vs. linear flow
    • Issues related to near wellbore restrictions
  • Formation damage and issues that contribute to it
    • Drilling the well
    • Cementing operations
    • Damage due to perforating
    • Chemistry of formation clays
    • Damage due to mishandling of clays
    • Treatments to minimize clay damage

2) Day Two:
  • Review of day one material
  • Continuation of formation damage issues:
    • Well treatment chemicals i.e. surfactants
    • In-situ damage compounds; i.e. scales, paraffins and asphaltenes
    • Use and misuse of HCl and HF acids
  • Evolution of Sand Management Techniques
    • Philosophies vs. results
    • Risk management
    • Handling of produced sand
  • Cased -Hole Sandface Completions
    • Drill-in and completion fluids
      • Chemistry and application of specialty brines
      • Filtration and viscosifying brines
      • Safety video on ZnBr2 brines
      • Fluid loss tests and what the numbers mean
      • Discussion of mechanical devices
      • Methods used to manufacture screens & liners
      • Special purpose screens
    • Planning a Gravel pack
      • Formation sand sizing issues
      • Sieve analysis
      • Analysis by electronic instruments
      • Types of proppant materials and their use
      • Pack Sand or gravel sizing (Exercises to calculate pack sand size)

3) Day Three:
  • Review of day two material
  • Continuation of cased-hole sandface completions
    • Fluid filtration techniques
    • Cartridge vs. D.E. filtration
    • Quantifying filtration results
    • Beta ratings
  • Perforating
    • Gun design and deployment
    • Evolution of charge designs
    • Perforation sizing and shapes
    • Perforation cleaning methods
  • Types of Gravel packs
    • Water packs (pros & cons)
    • Slurry packs (pros & cons)
    • Discussion about polymers used to viscosify gravel pack fluids
    • Carrier fluid selection
    • Discussion about chemical breakers
  • Gravel placement techniques
    • Over-the-top method
    • Through-tubing gravel packs
    • Inside pressure pack
    • Perforation packing
    • How fluids selection relates to tool design
  • Tool designs to achieve void-free packing
    • Components of a gravel packing tool string & purpose of each
    • Multi-position gravel pack packers
    • One-trip perf. & pack system

4) Day Four
  • Review of Day Three material
  • Introduction to Frac Packing in cased completions
    • Comparing Frac-packs with other methods
    • Hydraulic fracturing concepts
      • Rock mechanics concepts
      • Hard rock vs. soft rock (high permeability )strategies
      • Fracture length, width, height & conductivity
      • Tip screen-out designs
      • Modern proppant design theories
    • Measuring In-situ stresses
      • Use of mini-fracs
      • Estimation by sonic log tools
    • Fracturing Fluid Systems (Gel mixing and real fluid comparisons)
      • Water packs
      • HEC (Mix and compare HEC gels)
      • HP guars (Mix and compare guar-based gels)
      • Discussion of crosslinkers and breakers
      • Oil gels
      • Foams
    • Sand Control in Open-hole Completions
      • More on fluids related to drill-in (examine fluid loss control products)
        • Unique problems related to long deviated intervals
      • Sand exclusion devices
        • Screens & Liners
        • Expandable screens
        • Specialty screens
        • CAPS
        • Shunt screens
      • Vertical open-hole completions
        • Over-the-top tools and procedures
        • Cup packer- tubing placement
        • Use of "Tell-Tale Screens"
    • Chemical Consolidation Methods
      • Consolidation resins used in pre-pack screens
      • Epoxy resin consolidation systems
      • Furan resin consolidation systems
    • Combination packing/consolidation systems
    • Application of packing/consolidation systems in frac packing
    • Chapter 4; Surface Operations & Equipment

5) Day 5
  • Review of the first 4 days material


LOCATION

First day will be held at the Holiday Inn Maadi Hotel, in Cairo. The participants will be transported the next day to Al Ain el Sokhna. The course will be continued in Al Ain el Sokhna.

COURSE FEES

The cost is inclusive of course manual, guidebook, accommodation in Al Ain el Sokhna and transportation to/from Al Ain el Sokhna.

INSTRUCTOR PROFILE

Owner and Independent Consultant - international consulting and lecturing with 39 years on drilling and completion/consulting company experience, SPE Distinguished Lecturer 2007-08 Areas of experience is covering cementing, stimulation, well completion, tubing-conveyed, perforating, sand control, formation damage control, and workover Training program development and teaching for international oil companies as BP Exploration and North America. Designed well completions for converting oil wells in a depleted Southeast Texas field to gas injection wells for storage. Formulated inorganic, high temperature stimulation fluid for hydraulic fracturing and acidizing applications. Design treatment of deep wells in Germany and two geothermal steam wells in Indonesia. Developed multiple zone gravel packing procedures for a JAPEX workover project on a 13 well platform, offshore Japan. Planned and help implement comprehensive production enhancement program in a mature oil field for an operator in Myanmar. Designed well completions, including drill-in fluid and open-hole gravel pack, in Rio Negros field, Colombia for an independent operator. Supervised gravel packs project offshore Peoples' Republic of China. Field supervision and massive hydraulic fracturing treatment in Australia's Cooper Basin. Designed and supervised first known geothermal well fracturing treatments, Nigorikawa Field, Japan. Worked wit Halliburton Limited, Singapore, Duncan, Oklahoma And Texas and Kansas.