About Us

Formed in 2005, Riggall & Associates aims to provide independent, professional expertise and advice on Horizontal Directional Drilling (HDD) projects. This service is based on theoretical knowledge combined with years of experience in challenging HDD projects. The company understands the position of all parties involved in large HDD projects, with experience working for pipeline companies, drilling contractors, and specialist service suppliers.


Tim Riggall, BSc. (Hons) Geology, MSc. (Distinction) Geotechnical Engineering & Management

Tim has worked in the HDD industry since 2001, initially as a guidance engineer for AJ Lucas drilling in Australia and later with Prime Horizontal based in Europe. For the previous 11 years Tim worked as a mining and exploration geologist throughout Australia and Africa holding senior positions with gold miner Resolute Limited. Setting up Riggall & Associates in 2005, Tim completed a part time masters degree in Geotechnical Engineering and Management in 2008. This combination of extensive field experience and academic achievement provides a sound basis for decision making and problem solving on challenging HDD projects.

QUALIFICATIONS

  • 1987 – 1990, University of Sydney, B.Sc., Honours, Geology
  • 2006 – 2008, University of Birmingham, M.Sc., Distinction, Geotechnical Engineering and Management

HDD EXPERIENCE

On site involvement in over 95 HDD crossings and technical input in dozens more.

2005 – Present:

Riggall & Associates, UK

  • Specialist advice during tender review and drilling of a major HDD gas pipeline project in southern UK.
  • HDD feasibility reviews on several southern UK gas pipeline projects
  • Writing HDD guidance training modules for Prime Horizontal.
  • HDD guidance for Drilltec, LMR, Longbore, Bohlen & Doyen, Beerman, De Lange, Stocktons.
  • Training HDD guidance personnel for Prime Horizontal, Surtron UK, JFE Koken Japan, CNPC China.

Part time MSc. studies

  • Dissertation topic: “Analysis of steering data from horizontal directional drilling using downhole motors”. Supervisor: Dr. David Chapman.
  • Awarded a distinction and the Midland Geotechnical Society prize.

2003 – 2005:

Senior Guidance Engineer, Prime Horizontal, Netherlands.

  • Guidance of over 60 HDD bores throughout Europe, North and South America, Asia, Africa, Australasia.
  • Crossings beneath rivers, canals, motorways, railways, urban areas, environmental areas.
  • Company specialist in intersects utilising Rotating Magnet, Passive Magnetic Ranging, and Benchmark systems.
  • Involved in 6 of the worldwide total of 17 successful HDD intersects completed by mid 2006. Lead guidance engineer on 5 of those projects.
  • Highly experienced in the use of Paratrack 1 & 2, AC Beacon, MicroCoil, TruTrack.
  • Computer software used includes CAD and RivCross.
  • Lead guidance engineer for the world’s longest HDD crossing beneath the Elbe River in Germany (2.6 km), July 2005.

2001 –2003:

Drilling Guidance Engineer, AJ Lucas, Australia.

  • Guidance of 22 HDD bores for river crossings, gravity sewers into tunnels, environmental drains, coal bed methane drainage, and mineral exploration drilling.
  • Developing technical spreadsheets for surveying and engineering.
  • Drill site management and QA paperwork.