In order to work properly, every bit is designed to run with a given amount of down pressure. It takes a certain amount of push. When drilling vertically, this is bit weight.
Experience and adapting to the times are two things that Tim Kelly, vice president of Brotcke Well & Pump (BWP) in Fenton, Mo., credits to his successful career.
The PDAC is one of the biggest mining conventions in the world; the attendance totaled 25,606 people from 130 countries. The annual event hosts people, companies and organizations in, or connected to, mineral exploration.
When stuck between a rock and a hard place, I was determined to come up with a solution to penetrate very coarse alluvial gravels, where traditional split spoon and Shelby-tube sampling methods could not.
I have had great success drilling around the world with multiple types of mud drilling in water well, exploration and construction. The success came from understanding the basic components of drilling fluids.
A while back, I wrote about gravel packs and well development, but I have had several calls and emails about wells that wouldn’t clear during development.
This begins a series of columns on water conditioning and problems of water quality I have encountered in my career in southeast Michigan. First, I want to write a little bit about a stopgap method of getting soft water that carried on for many, many years.
As usual, winter — or the slow season — is the time most drillers take the time to maintain their equipment in order to get ready for the peak season. One of the main parts that usually needs attention is the mud pump.
John A. “Jack” Hayes, PE, D.I.C. is a widely recognized authority on Osterberg cell (O-cell) testing, a method of evaluating the integrity of drilled piles. We spoke to Hayes at this year’s Osterberg Memorial Lecture at the International Foundations Congress and Equipment Expo (IFCEE).
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