drill column

[′dril ‚käl·əm]

(mining engineering)

A steel pipe that can be wedged across an underground opening in a vertical or horizontal position to serve as a base on which to mount a diamond or rock drill.

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But they become extremely dangerous when they build up inside the drill column of a well.

Luce Energy Proceeds With Governmental Negotiations As China Is To Include Gas Hydrate Exploration in New Five Year Plan

Investigators know the explosion was triggered by a bubble of methane gas that escaped from the well and shot up the drill column, expanding quickly as it burst through several seals and barriers before igniting.

Key evidence gathered in oil spill probe

The original blowout was triggered by a bubble of methane gas that escaped from the well 18,000 feet into the earth and shot up the drill column, expanding quickly as it burst through several seals and barriers before exploding at the rig one mile above the seafloor.

Great career opportunities are available in STEM

Rescued rig workers described how a bubble of methane gas escaped from the well and expanded as it shot up the drill column before exploding.

IT'S OIL GOING WRONG AGAIN; BP's giant funnel blow as slick spreads

The tools are - Hand tools, measuring instruments and control,- Hand tools (screwdrivers, pliers, wrenches) and other measuring hand instruments and electrical control, mechanical,- Site and workshop equipment,- Tools heavy and commissioning (fixed or mobile): compressor, pressure washer, hacksaw / wood, a drill column, other machine tools, spare parts and accessories of machine tools,- Power tools, electrical, thermal, pneumatic and hydraulic.

Supply and delivery of tools for different activities gpmm

Part VIII: a) Drill column with mechanical feed - 1 piece

Numerically-controlled machines for metal

engine lathes, shears, cnc machining center, universal center lathes, cnc tool grinder drill column and table saw, floor sander, hand rolls (stranding), table grinder, drill floor.

Modernising vocational training workshops and vocational secondary schools nymburk

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