HDD Planning

Successful construction starts with expert planning, to carefully evaluate the risks and requirements
associated with each project. Entec offers the following Planning services:



Feasibility Studies

Preliminary Investigation

  • Pipeline Route/ construction location Optimization
  • Work Pad Evaluation
  • Site Accessibility and Pipe Layout Consideration

Production Rate Evaluation and Scheduling Forecast

  • Supported by Entec's comprehensive databases Entec tracks Internal Key Performance Indicators, to verify budget and schedule forecasts

HDD Planning

Geo Technical Evaluation

Borehole Drilling

Used to identify:

  • Lithology (Rock or soil types)
  • Stratigraphy
  • Unconfined compressive strengths
  • Potential Penetration rates
  • Identification of potential fluid loss zones

Packer Tests

Used to identify:

  • Potential fluid loss zones
  • Maximum annular pressure for the drill path

3-D Seismic Data, Resistivity and Ground Penetrating Radar (GPR)

Used to identify:

  • Consistency of stratigraphy
  • Size and extent of fractures in three dimensions
  • Anomalies such as boulders, caverns and density pockets

Environmental Studies

Hydrological Investigation

Used to identify:

  • In-stream flow rates
  • Water body depth
  • Potential scour depth
  • 100 yr flood levels
  • Ground water conditions

Environmental Investigation
Identifies potential impact to:

  • Fish habitat
  • Water quality
  • Wildlife

Contracting Strategy Optimization

  • Match Drilling specifications with qualified contractors
  • Develop risk analysis and mitigation program
  • Determine suitable pricing structure
  • Outline required environmental guidelines
  • Outline required health and safety guidelines
  • Distribute bid documents to approved contractors
  • Evaluate and recommend appropriate contractor
HDD Planning