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DRILL COLLAR
In drilling, a drill collar consists of a heavy pipe above the drill bit in a drill string. Remarks:Length is from 10’ to 31’. API Spec7-1, AISI 4145H Alloy Steel or non-magnetic material.
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HEAVY WEIGHT DRILL PIPE
Type Integral Type and Friction Weld Type Grade Integral Type AISI4145HM Friction Weld Type Tool Joint: AISI 4145HM
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DRILL PIPE
Drill pipe is hollow, thin-walled, steel or aluminium alloy piping that is used on drilling rigs To facilitate the drilling of a wellbore which comes in A variety of sizes, length, strengths, and weights, but are typically 27 to 32 feet in length ( Range 2).longer lengths, up to 45 feet, exist (Range 3). Remark Internal coating includes TK34, TC2000 and TC3000.
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PONY DRILL COLLAR
Pony drill collar is mainly used to adjust the position of the bottom drilling tool and improve the function of the bottom drilling tool. Its mechanical properties are the same as drill collars, but its length is relatively short, which can be determined according to requirements.
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PONY DRILL PIPE
Pony drill pipe is mainly used for oilfield users to conveniently connect the drill pipe string. The joint and pipe body adopt integral structure to eliminate the influence of welding, improve the corrosion resistance of drill pipe, prolong the service life.
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