API Spec 7-1 Standard Kelly Pipe/Rig Square Kelly for Oilfield

• Manufacturing Process: Forging
• Surface Treatment: Spray-Paint
• Material: Non-Magnetic Material, 4145 H, 4145 H
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Kelly Pipe
• Use: Well Drilling, Well Drilling
• Machine Type: ["Drilling Tool, Drilling Tool","Drilling Equipment, Drilling Tool"]
• Application: Energy & Mining
• Product Name: Drill Collar Spiral Drill Collar and Non Magnetic
• Color: Blue
• Machinery Test Report: Provided
• Place of Origin: Shandong, China
• Connection: as Your Request
• Transport Package: Export Wooden Box
• Specification: standard
• Trademark: LFM
• Origin: Cn
• Production Capacity: 1500

Product Description

Kelly Pipe
 

Product Description

Product Application

Kelly is located in the top of the drill string, with square and hexagonal. In rotary drilling, when it is drilling, kelly connected with square bushing and rotary bushing, transfer the ground rotary torque to drill pipe and to drive the drill bit,bearing the weight of the drill string.In the drilling of the turbine and screw, the weight of the drill string and the counter torque are supported.

Product Parameters

Mechanical Property

 

Mechanical Property
Outside Diameter Range		Yield Strength		Tensile Strength		Elongation	HB	Charpy impact
mm	in	MPa	Psi	MPa	Psi	A%		Akv  J
79.4~171.4	3-1/8~6-3/4	≥758	≥110000	≥965	≥140000	≥13	285~341	≥54
177.8	7	≥689	≥100000	≥930	≥135000	≥13	285~341	≥54
Under special conditions, the impact work of the charpy can be determined as greater than 70J according to the supply and demand

 

 

PICTURES FOR REFERNCE

 

 

Product Description

 

 

Our Advantages

 

Certifications

 

Packaging & Shipping

FAQ

 

Q1: What's your packing?
A:  Regular packing.

Q2: What's your delivery?
A:  Normally, about 30-45 days.

Q3:  What are the shipping methods?
A: Ocean shipment to the port near from you; Air shipment to the shipment near from your company; Door to door service by  international express.

Q4:  What about the payment options?
 A: In general, we accept T/T. 

Q5:  When can I get the price?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in  your  email so that we will detail with your inquiry priority.