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Articles by Andrew Farr

Directional Drilling
Drill Master: Drilling Fluid Properties

Bentonite-based drilling fluids are used in both vertical and horizontal drilling. The desirable drilling fluid properti...

February 1, 1999
Directional Drilling
Drill Master: Getting the Most From Your Directional Mud Motor

Directional mud motors are the most proven and common method utilized by HDD contractors to complete installations in ha...

December 1, 1998
Directional Drilling
Drill Master: The Dollars & Sense of Mud Recovery and...

The benefits of pumping greater volumes of fluid (mud) while boring are rapidly gaining favor from most horizontal direc...

October 1, 1998
Directional Drilling
Drill Master: Fluid Volumes — How Much is Enough?

There seems to be a certain amount of confusion about the role of drilling fluids in horizontal directional drilling, es...

August 1, 1998
Directional Drilling
Drill Master: Taking Care of Business

In a short time, some drilling contractors have grabbed hold of the technology and are making really good money....

June 1, 1998
Directional Drilling
Drill Master: What to Consider When Purchasing a Locating System

Alocating system is an integral part of the HDD process and it represents a substantial investment, ranging from about $...

April 1, 1998
Business/People
1998 Trenchless Technology Person-of-the-Year: John Jurgens and Dave Gellings

Trenchless Resources International Inc. is a young organization founded in a partnership of Dave Gellings and John Jurge...

March 1, 1998
Directional Drilling
Drill Master: Four-Square Drilling

When a contractor calls about a drilling fluid problem, he's sometimes surprised when we seem to ask questions about wha...

February 1, 1998
Directional Drilling
Drill Master: While We’re Making Things Cleaner for a Better...

One of the hot new topics in the horizontal directional drilling industry today is fluids recirculation and reclamation....

October 1, 1997
Directional Drilling
Drill Master: How to Poison a Pump

Expendables such as valves, plungers, packing, pistons and liners are exactly that: expendable. Over time these items wi...

August 1, 1997
Directional Drilling
Drill Master: Electronic Equipment in HDD

In recent years the advancement of technology in the electronics field has made electronic equipment the key element in...

May 1, 1997
Business/People
1997 Trenchless Technology Person-of-the-Year: Leo Barbera

"It doesn't do any good to have knowledge if you don't share it with somebody." That motto and the commitment to trenchl...

March 1, 1997
Directional Drilling
Drill Master: You Might Not Be Stuck After All —...

You're in the middle of a backream operation and everything is going well. You lose flow. Gradually your reverse thrust...

May 1, 1996
Business/People Prime Drilling 500,000-lb rig
1996 Trenchless Technology Person-of-the-Year: Bob Affholder

His career started in 1958 when no one called it trenchless technology, and Bob Affholder has been upbeat and positive a...

March 1, 1996
Archives
Mark Gorman

Test...

March 3, 1995
Business/People
1995 Trenchless Technology Person-of-the-Year: Mike Garver

Any discussion of microtunneling in North America ultimately turns to BRH-Garver and Mike Garver, the pioneer who has do...

March 1, 1995
Business/People
1994 Trenchless Technology Person-of-the-Year: Richard O. Thomasson

When Richard Thomasson began his engineering career some 25 years ago, he doubtless could not have conceived of his role...

March 1, 1994
Business/People
1993 Trenchless Technology Person-of-the-Year: Dr. Tom Iseley

Tom combines the traits of educator, researcher, contractor, and more. He moves easily in all three spheres, knowing the...

March 1, 1993