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Certifications API

API Spec 7-1 and SY5411 Standard Rig square kelly Bar/drilling Hexagonal Kelly/kelly Pipe for Oilfield

Available for enquiry 0.0 · 0 reviews
USD

$ 7,500.00 7500.0 USD $ 7,500.00

Not Available For Sale

Minimum order quantity: 1 Units

Key attributes

View all
Type
kelly
Material
Carbon Steel
Use
Well Drilling
Processing Type
Forging
Machinery test report
Provided
Machine type
Drilling Equipment
Product description

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.The formulated process can ensure that the misalignment of the hole reaches the standard wall thickness. Kelly bars are manufactured according to API-7-1 Spec.

The Main Technical Specification of Kelly ( Square& Hexagonal )

Norminal Size (in)Length(ft)Top Upset JointBottom Upset JointBore DDrive Section
API BOX Thread Left HandDuRight Hand ConnectionsDLAcross CornersAcross Flates
3-1/2406 5/8REG7 3/4NC38(3 1/2IF)4 3/42 1/44.4373 1/2
4-1/4406 5/8REG7 3/4NC46 (41F) NC50(4 1/2IF)6~6 3/8 6 1/8~6 3/82 13/165.5004 1/4
5-1/4406 5/8REG7 3/4NC50 5 1/2FH73 1/46.7505 1/4
6406 5/8REG7 3/4NC507 3/43 1/27.6256
Description images
API Spec 7-1 and SY5411 Standard Rig square kelly Bar/drilling Hexagonal Kelly/kelly Pipe for Oilfield
API Spec 7-1 and SY5411 Standard Rig square kelly Bar/drilling Hexagonal Kelly/kelly Pipe for Oilfield
Packaging and fulfilment
  • Step 1

    Payment and order readiness

    Minimum order: 1 Units

    Payment terms, specifications, and order details are confirmed before preparation begins.

  • Step 2

    Preparation

    30 days

  • Step 3

    Packaging and dispatch

    Packaging details are available on request.

    Final packing, freight, and delivery dates are confirmed before dispatch.

Technical specifications
Other details 25 fields
Type
kelly
Material
Carbon Steel
Use
Well Drilling
Processing Type
Forging
Machinery test report
Provided
Machine type
Drilling Equipment
Warranty
1 Year, 12 MOUNTHS
Video outgoing-inspection
Provided
Place of origin
China, Shandong
Application
Oil field
Color
as request
Advantage
High Performance
Standard
API
Market
Globe
MOQ
1PCS
Delivery Time
Within 30 Days
Packing
Plywood Box(free-fumigation)
Usage
pipe fitting
Local Service Location
None
Certification
API
Packaging Details
Standard Export Package
Port of dispatch
Qingdao, ShangHai, tianjin
Selling Units
Single item
Supply Ability
100 sets per Month
Model number
hexagonal kelly
Lead time
30 days
Minimum order
1 Units

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