drill string

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drill string

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drill pipe

n
(Mining & Quarrying) (in the oil industry) a pipe made of lengths of steel tubing that is attached to the drilling tool and rotates during drilling to form a bore
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The HDD bores were unique because the drill pipe was used as the casing.
USPRwire, Tue Jul 26 2016] Oil country tubular goods (OCTG) -- including drill pipe, production tubing and well casing -- expenditure has been hit hard by the downturn -- Douglas-Westwood's (DW) World Oilfield Equipment Market Forecast shows 2016 spending will amount to just 42% of the 2014 peak.
Drill Pipe Market by Application (Onshore and Offshore), by Grade (American Petroleum Institute (API) Grade and Premium Grade), and by Region (North America, Latin America, Europe, Asia-Pacific, Middle East, and Africa) - Global Trends & Forecast to 2020
The rotation arms allow the operator to thread and unthread drill pipe connections.
These include Honghua Group, the second-largest land rig manufacturer globally with 80 per cent of revenue driven by overseas orders, and Hilong Holding, which started its overseas foray in 2005 and is now the world's second-largest drill pipe maker after Houston-based NOV.
We also target to provide related services to the drill pipe customers and boost the sales of drill pipe products in U.
Blowouts occur when pressurized oil and gas flow uncontrolled up the drill pipe or riser to the rig.
International Resource News-August 3, 2012--Alcoa to supply aluminium alloy drill pipe for Marcellus Shale field(C)1994-2012 ENPublishing - http://www.
The company said it has a potential discussion with Brazilian oil and gas major Petroleo Brasileiro (SAO: PETR3), or Petrobras, over a fishing job which resulted from stuck drill pipe.
When a well has been drilled to the desired depth, the drill pipe and drill bit are then removed.
have developed the Short Radius Composite Drill Pipe (SR/CDP).
If gas is detected, higher density mud is injected down through the drill pipe and up through the annulus, choking out annulus fluid to remove the gas and the lighter mud while maintaining the pressure.