• Mayhew Junior (Jr) Drill Pipe or Drill Rod Manufacture for Mining Drilling
  • Mayhew Junior (Jr) Drill Pipe or Drill Rod Manufacture for Mining Drilling
  • Mayhew Junior (Jr) Drill Pipe or Drill Rod Manufacture for Mining Drilling

Mayhew Junior (Jr) Drill Pipe or Drill Rod Manufacture for Mining Drilling

Standard: RoHS, AISI, API
Usage: Oil Mining, Coal Mining, Well Drilling, Ore Mining
Material: Carbon Steel
Transport Package: Wooden Box
Specification: API Drill Pipe
Trademark: ROSCHEN
Customization:
Gold Member Since 2017

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Manufacturer/Factory

Basic Info.

Model NO.
2 3/8", 2-7/8", 3-1/2"
Origin
China
HS Code
84314320
Production Capacity
10000

Product Description

Mayhew Jr drill pipe or Drill Rod manufacture
 
Drill pipe is designed to allow the introduction of a drilling fluid or air to the bit and to provide the mechanism to transfer energy developed by the drill motor to the bit.   The correct selection of drill pipe, in most instances, determine how successful you are and what options you have as far as depth, bore hole size, and push and pull down ability. The selection of drill pipe is one of the most important decisions mainly due to cost and rig capability.  Below is a breakdown of what the most popular drill pipes are and their benefits. 
 
 
Mayhew Jr (Junior) drill pipe engineered with weld on joints
NC26
2-7/8" IF modified drill pipe:
2-7/8" FEDP drill pipe:
3-1/2" API drill pipe:
 
ROSCHEN is the best suitable Mayhew Jr (Junior) drill pipe manufacturer and supplier as long as you need flexible delivery time, we design and product day and night in order to deliver on schedule, One Stop Delivery is also available as long as you trust us, we provide the world fastest before and after sales service in your city office or mining office, we are not just a good manufacturer, we also provide our honest solutions to solve your problems. In a word, we are a family and we are looking for friends and partners, and being friends first.
 
ITEM Diameter Length  Wall thickness Thread Spanner
inch mm mm mm mm
1 3 76 1000-9000 5.00-8.00 API 2 3/8" REG 57/64.5
2 3 1/2 89 1000-12192 6.00-8.00 API 2 3/8" REG 70/64
3 4 102 1000-12192 8.00-10.00 API 2 7/8" REG 76/89
4 4 1/2 114 1500-12192 6.00-20.00 API 3 1/2" REG 89/95
5 5 127 1500-12192 10.00-20.00 API 3 1/2" REG 89
6 5 1/2 140 1500-12192 10.00-25.4 API 4 1/2" REG or 4"FH 114
7 6 152 3000-12192 12.00-25.4 API 4 1/2" REG or 4"IF --
8 6 1/4 159 3000-12192 12.00-25.4 API 4 1/2" REG or 4"IF 127
9 7 178 3000-12192 14.00-25.4 5 1/2"FH/REG 127
10 7 5/8 194 3000-12192 14.00-25.4 6 5/8"REG 152
11 8 203 3000-12192 14.00-25.4 6 5/8"REG 152
12 8 5/8 219 3000-12192 14.00-25.4 6 5/8"REG 152
13 9 1/4 235 3000-12192 14.00-25.4 customized 152
14 9 5/8 245 3000-12192 14.00-25.4 customized 152
15 10 254 3000-12192 14.00-25.4 customized 152
16 10 1/4 273 3000-12192 14.00-25.4 customized 152
Any special size against request


Mayhew Junior (Jr) Drill Pipe or Drill Rod Manufacture for Mining Drilling
 

How about ROSCHEN's drill pipe?

Our drill pipe is used in most rotary drilling operations (shallow and deep). API drill pipe are fabricated by various API certified manufacturers around the world, principally for use in the drilling of deep wells for the recovery of oil and natural gas. API drill pipe size is denoted by the outside diameter of the pipe body and its associated nominal (pipe body) weight per unit length. The nominal weight per unit length defines the wall thickness and the inside diameter. The lengths of drill pipe elements called pipe body and tool joints, When tool joints (box and pin) are added to a pipe body the average actual weight per unit length of the drill pipe element is increased above the pipe body nominal weight per unit length. API drill pipe is also classified by API material (steel) grade. The API material grade designations and respective standards normally decide minimum yield, maximum yield, and minimum tensile strength of the steel grade. The actual steel used to produce the various API grades for drill pipe fabrication is one of the AISI grade classifications of steel produced in US steel mills. For an AISI grade of steel to be used to fabricate drill pipe of a particular API grade the AISI grade must satisfy the minimum and maximum specification.
website: https://roschen.en.made-in-china.com

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