J. Mark Hutchinson

Bio

Q&A by J. Mark Hutchinson

• Are rheological properties important in the drilling fluid on HDD projects?

  Yes, very important! The following is a basic explanation based on using what is known as The Bingham Plastic Model.Plastic Viscosity (PV),...

• How can I identify an inadvertent return and how can I fix it?

  In the geotech surveys on most horizontal directional drilling (HDD) crossings, the soils being drilled are identified. So you can plan...

• What is IR mitigation and what does it entail?

  When drilling HDD bores, the measured depth is typically shallow at around 120 feet. A 3,500-foot underground crossing may pass under a...