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Articles Tagged with ''reverse circulation''

Reverse Circulation: Getting Help from Air on Drilling Jobs

July 2, 2018

Between conventional mud drilling and straight air drilling, there is another method that is well adapted to many parts of the country: reverse circulation drilling.

The Basics of Reverse Circulation Drilling

Tips for Flooded Reverse, Air-Assisted Reverse and RC Pipe Size

Wayne Nash

July 24, 2017

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Fast, easy hole cleaning makes RC drilling a tried and true method, particularly for large-diameter holes.

Canister Drill Sets Shaft Diameter Record on St. Louis Job

Joe Bradfield

July 5, 2017

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The Metropolitan St. Louis Sewer District (MSD) is upgrading its storm and wastewater infrastructure in a 23-year-long, $4.7 billion initiative called “Project Clear.”

Foremost DR-24

September 26, 2016

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Foremost Dual Rotary drills feature a comparably lower rotary drive that is used to advance steel casing through unconsolidated overburden.

Boart Longyear Uses Massive Bit, Drills Coal Mine Ventilation Shaft

Team Finishes the Job Early Drilling 550 Feet With 60-Inch Bit

March 5, 2015

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The task was completed earlier than expected, in four weeks, despite delays in project startup.

Center Rock Reverse Circulation Low Profile Drills

December 18, 2013

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Perform foundation drilling jobs up to 120 inches in diameter.

Atlas Copco Announces DM45/50 Reverse Circulation Kit

Jeremy Verdusco

June 17, 2013

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Atlas Copco recently announced the release of a reverse circulation kit for the company’s DM45/50 mid-range blasthole drill. The company says the kit adds a new dimension of in-pit grade control.