The navigational lock system for the dam, built during the New Deal civil construction boom of the later 1930s and early ’40s, accommodates 600-foot barges. Drillers are helping the U.S. Army Corps of Engineers open up that bottleneck to barges twice that size.
PVC casing is inexpensive, reliable, never rusts and, used within limits, will make a lifetime well. However, PVC has one major drawback: It is not as strong as steel pipe.
We recently got the results back from our latest email survey, and we found that more than six in 10 contracting firms either strongly agree or agree that the shortage of good help has limited the amount of work they can take on.
This particular column is going to be about the recently held 2017 NGWA Groundwater Week and the upcoming 2018 MGWA (Michigan Ground Water Association) Conference.
This spring, Schramm is releasing the T455 series drilling rig, their first Tier-4 Final compliant offering, for the water and mineral exploration sectors. The Driller spoke with Michael Dynan, vice president for portfolio and strategic development, about the new rig, demands on contractors to meet updated emissions standards and more.
If you are running conventional oilfield drill pipe, drilling deep with a mud rotary or perhaps drilling 5,000 feet for natural gas with flush joint drill pipe, then you are familiar with the term "upset."
The biggest difference between high yield bentonite drilling fluid products and drilling fluid products specifically designed for HDD applications is in gel strength and fluid loss/filtration control.
Like all contractors, I have a fleet of vehicles — actually, a rather small one that I take great pride in. I have a reputation of taking good care of my vehicles and the tools I need to do jobs.
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