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AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe

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AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe

China AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe supplier
AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe supplier AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe supplier AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe supplier AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe supplier

Large Image :  AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe

Product Details:

Place of Origin: China
Brand Name: TIPTOP
Certification: API
Model Number: Square Kelly

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Iron Frame Packaging
Delivery Time: 3~20 days
Payment Terms: T/T, L/C, D/A, D/P
Supply Ability: 20000 pcs per month
Detailed Product Description
Product Name: Square Kelly Material: AISI 4145H Modified Alloy Steel
Standard: API Specification: All Specifications
Colour: As Required Shape: Square And Hexagon
Application: Well Drilling
High Light:

directional drilling tools

,

downhole oil tools

Downhole Drilling Tools - API Square Kelly drill pipe and hexagonal kelly

 

 

 

Introduction:

 

Kelly is on the top of the drill stem.Kelly is main driver of the whole drill string. It transmits drill stem weight and torsional energy from the rotary table through the drill string to the bit at the bottom of the hole. When assembled with down hole motor and Turbodrill tools, Kelly should bare the stem weight and Reverse torque,it will Measure the depth of a well and provide a circulation channel. Kelly consists of a driving part (square or hexagonal), upper joint (LH connection) and lower joint (RH connection).

 

Kelly is the drive part of whole drill stem, it has two types, square kelly and hexagonal kelly and all of them are manufactured comfort to API Spec7-1 and SY/T6509-2000 criterion.

 

Our Square& Hexagonal kelly are made from AISI 4145H modified alloy bars that are quenched and tempered full length. After such heat treatment, its brinell hardness can reach 285-341. Kelly's end, drive cross-section and joint are all processed and tested comform to API criterion.

 

 

Specifications:

 

Kelly Size Length Upper Box Connection Lower Pin Connection I.D
(mm)
Driving Section
mm in mm Type(LH) O.D. (mm) Cross Flat (mm) For Square (mm) Cross Corner for Hex (mm)
Std Optional Std Optional Thread O.D(mm)
63.5 2-1/2 12.19 6-5/8
REG
4-1/2
REG
196.8 146   85.7 31.8 63.5 83.3  
76.2 3 12.19 6-5/8
REG
4-1/2
REG
196.8 146 NC26 104.8 44.4 76.2 100 85.7
88.9 3-1/2 12.19 6-5/8
REG
4-1/2
REG
196.8 146 NC31 120.6 57.2 88.9 115.1 100.8
108 4-1/4 12.9 6-5/8
REG
4-1/2
REG
196.8 146 NC38 158.8 71.4 108 141.3 122.2
NC38 161.9 71.4 108 141.3 122.2
133.4 5-1/4 12.9 6-5/8
REG
4-1/2
REG
196.8 146 NC46 177.8 82.6 133.3 175.4 151.6
NC50 177.8 82.6 133.3 175.4 151.6
152.4 6 12.9 6-5/8
REG
  196.8 146 5-1/2FH     152.4   173
NC56     152.4   173

 

 

 

AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe

 

AISI 4145H Modified Alloy Steel Downhole Drilling Tools API Square Kelly Drill Pipe

 

 

Contact Details
Xi'An Tiptop Machinery Co., Ltd.

Contact Person: Ms. Dan

Tel: 0086 13679121121

Send your inquiry directly to us (0 / 3000)