API Oil Drilling Tool Threaded Used Drill Collar in Stock

&rpar Description
A drill collar is a device utilised in the drilling of oil wells for weighting the drill bit&comma enabling it to drill by way of rock&interval It is a bar made of reliable steel&comma either basic carbon metal or a non-magnetic metal alloy&comma drilled lengthwise to permit the passage of drilling fluids&interval A drill collar varieties the most affordable aspect of a drill string&comma which encompasses all the elements of a down-hole approach from the area to the rock little bit&time period
 
6&rpar Structure
These devices are usually 31 feet &lparabout 9&period45 m&rpar long and threaded at both finishes&comma male at one particular conclude and woman at the other&comma to allow a number of drill collars to be joined previously mentioned the little bit assembly&time period
 
The quantity of drill collars connected to a drill string will depend on the materials composition of the strata at the drill site and the most likely depth of the properly&period of time A relatively shallow well with considerably less dense geologic composition through which the bit need to move will demand much less drill collars than a deep shaft by means of dense material&time period
 
Typically&comma drill collars will be constant in size but may differ in diameter&comma and their exterior configuration might be slick or spiral&time period The outside the house diameter may possibly fluctuate from about three-1&sol2 inches &lpar8&period89 cm&rpar to eleven inches &lpar27&period9 cm&rpar and increased&interval The reference to slick or spiral outer configuration refers to the machining of the outside surface area of the collar&interval
 
7&rpar Parameter

Type OD&lparmm&rpar ID&lparmm&rpar L&lparm&rpar
±152&period4mm
d
DF&lparmm&rpar    
±0&period4
NC23-31 79&period4 31&period8 9&period14 seventy six&period2
NC26-35 88&period9 38&period1 9&period14 eighty two&period9
NC31-forty one 104&period8 50&period8 nine&period14or9&period45 100&period4
NC35-47 a hundred and twenty&period6 fifty&period8 nine&period14or9&period45 114&period7
NC38-fifty 127 57&period2 nine&period14or9&period45 121
NC44-sixty 152&period4 57&period2 nine&period14or9&period45 one hundred forty four&period5
NC44-sixty 152&period4 seventy one&period4 9&period14or9&period45 one hundred forty four&period5
NC46-sixty two 158&period8 fifty seven&period2 nine&period14or9&period45 149&period2
NC46-sixty two 158&period8 71&period4 nine&period14or9&period45 150
NC46-65 165&period1 57&period2 nine&period14or9&period45 154&period8
NC46-sixty five 165&period1 71&period4 nine&period14or9&period45 154&period8
NC46-sixty seven 171&period4 57&period2 nine&period14or9&period45 159&period5
NC50-70 177&period8 fifty seven&period2 9&period14or9&period45 164&period7
NC50-70 177&period8 71&period4 nine&period14or9&period45 164&period7
NC50-72 184&period2 seventy one&period4 nine&period14or9&period45 169&period5
NC56-77 196&period8 seventy one&period4 nine&period14or9&period45 185&period3
NC56-80 203&period2 seventy one&period4 nine&period14or9&period45 190&period1
six-five&sol8REG 209&period6 seventy one&period4 9&period14or9&period45 195&period6
NC61-90 228&period6 71&period4 nine&period14or9&period45 212&period7
7-5&sol8REG 241&period3 seventy six&period2 9&period14or9&period45 223&period8
NC70-ninety seven 247&period6 76&period2 nine&period14or9&period45 232&period6
NC70-one hundred 254 seventy six&period2 9&period14or9&period45 237&period3
8-5&sol8REG 279&period4 76&period2 nine&period14or9&period45 266&period7
NC50-67 171&period5 71&period4 9&period14or9&period45 159&period5

 

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MATERIALS AVAILABLE

1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request

SURFACE TREATMENT

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

PROCESSING METHOD

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

QC & CERTIFICATE

Technicians self-check in production,final-check before package by professional Quality inspector

ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

PACKAGE & LEAD TIME

Size: Drawings

Wooden Case/Container and pallet, or as per customized specifications.

15-25days samples. 30-45days offcial order

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