Hexagonal Kelly

• After-sales Service: Provided
• Warranty: 1 Year or 2000hours
• Manufacturing Process: Casting
• Surface Treatment: Sand Blast
• Operation Pressure: Vacuum
• Material: Cast Steel
• Model NO.: Hexagonal Kelly
• Transport Package: Skid
• Specification: 8, 350 x 2, 400 x 3, 000 mm
• Trademark: SAINTWAH
• Origin: Saintwah Inc.
• HS Code: 8207801000
• Production Capacity: 10000

Product Description

_{Hexagonal Kelly}

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.

Product Description

Introduction

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.

1	2 3		4 5		6	7	8	9	10	11
	Length of driving part		Total length		Width across sides	Diagonal width	Diagonal width	radius	radius	Eccentric hole
Kelly	f	t	f	t	-	-	-	-	-	Minimum wall thickness
Specificationsa	standard	Selection	standard	Selection	in	in	in	in	in	in
-	L D	L D	L	L	"fl	De	Dee	Rc	Rec	t
-	0.5	0.5	0.5	0.5	0.03125	±1/32	0	±1/32	-	-
-	-0.42	-0.42	0	0	0	-	-0.015	-	-	-
3	37	--	40	--	3	3 3/8	3.375	1. 4	1 11/16	0.475
3 1/2	37	--	40	--	3 1/2	3 31/32	3.937	1. 4	1 31/32	0.525
4 1/4	37	51	40	54	4 1/4	4 13/16	4.781	5. 16	2 25/64	0.625
5 1/4	37	51	40	54	5 1/4	5 31/32	5.9	3. 8	2 61/64	0.625
6	37	51	40	54	6	1 13/16	0.622	0.623	0.624	0.625
aSpecification of hexagonal drill pipe		-The column value is the same as the opposite width "FL (distance between opposite sides) of the sixth column.							-	-

 

 

 

 

 

Production

For common sucker rod

Raw Material Test → Cold Straighten → Cut → Forge → Hot Treatment → Hot Alignment → Shot Blasting → Rod Head Machining → Assembly → Protective Cap → Package → Aczoiling Treatment.

For extra high tensile sucker rod

Raw Material Test → Cold Straighten → Cut → Forge → Quenched And Tempered → Hot Treatment → Hot Alignment → Shot Blasting → Rod Head Machining → Surface Quenched → Assembly → Protective Cap → Package → Aczoiling Treatment.

 

Shot blasting

SAINTWAH INC. sophisticated production equipment,detection means complete, strong technical force. Mainly includes the 800 tons of fully automatic intelligent horizontal forging machine, intelligent friction welding machine, 1000 tons of hydraulic straightening machine, 800 tons of hydraulic upsetting units and the most advanced heat treatment production line; Company has a staff of 268 people, including senior professional and technical personnel more than 50 people.

In 2008 the company officially became a member of China national petroleum corporation supplies suppliers. Products exported to Canada, the United States, Germany, Mexico, Australia, Turkey, Syria, Venezuela, Malaysia, Kazakhstan, Indonesia, India and so on more than 20 countries and regions.

We can accept the special requirement of order and technical cooperation, we are willing to work with global customers a friendly, equal and mutually beneficial trade.