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Rotary Square Kelly / Hexagonal Kelly Of Oil Drilling Equipment

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Rotary Square Kelly / Hexagonal Kelly Of Oil Drilling Equipment

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Brand Name :
Model Number :	Square Kelly & Hexagonal Kelly
Certification :	ISO
Price :	USD800-2000/pc
Payment Terms :	T/T, Western Union, MoneyGram
Supply Ability :	500 pcs per month
Delivery Time :	20-30 days

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Product Details
Company Profile

Rotary Square Kelly / Hexagonal Kelly Of Oil Drilling Equipment

Rotary Square Kelly/Hexagonal Kelly Of Oil Drilling Equipment

Kelly is the main driver of the whole drill string.It transmits torsional energy from the rotary table through the drill string to the bit at the bottom of the hole. Kelly is a long square or hexagonal.precision machined heavy steel bar that is supported by the swivel through the rotary table and is connected to the first joint of drill pipe in the drill string.

Straightness of the kelly is very crucial in the manufacturing process, thus straightness inspection are carried out before, during and after each machining operation. The flats are precision-milled to API specification.All milling processes are performed on specially designed rigid kelly mills to ensure tight tolerances and high quality drive section.Each kelly is furnished with a pressed steel thread protectors.

Features and Benefits

Manufactured from AISI4145H-modified, fully heat-treated alloy steel with a Brinell hardness range of 285-341BHN and a minimum average Charpy impact value of 40ft-Ibs;

Ends and drive section,IDs and connections machined and inspected to API specification;

Ultrasonic inspection is performed on all section;

Shipped in a protective steel -cased scabbard;

When ordering please specify:

Kelly type (Square or hexagonal)

Nominal size and overall length

Upper and lower connection

Technical specification and parameters

STANDARD SIZE FOR SQUARE KELLY
Size (in)	Length (ft) Top upset joint				Bottom upset		Bore	Drive Section		Weight
Size (in)	A	B	LH	OD C (in)	RH	OD (in)	E (in)	F (in)	G (in)	(Ib)
	A	B	LH	OD C (in)	RH	OD (in)	E (in)	F (in)	G (in)
2 1/2	40	37	6 5/8" Reg	7 3/4	2 3/8 IF	3 3/8	1 1/4	3 1/4	2 1/2	902
	46	43	6 5/8" Reg	7 3/4	2 3/8 IF	3 3/8	1 1/4	3 1/4	2 1/2	1023
3	40	37	6 5/8" Reg	Apr-73	2 7/8IF	4 1/8	1 3/4	3 7/8	3	1089
	46	43	6 5/8" Reg	7 3/4	2 7/8IF	4 1/8	1 3/4	3 7/8	3	1232
3 1/2	40	37	6 5/8" Reg	7 3/4	3 1/21F	4 3/4	2 1/4	4 7/16	3 1/2	1320
	46	43	6 5/8" Reg	7 3/4	3 1/21F	4 3/4	2 1/4	4 7/16	3 1/2	1474
	54	51	6 5/8" Reg	7 3/4	3 1/21F	4 3/4	2 1/4	4 7/16	3 1/2	1716
4 1/4	40	37	6 5/8" Reg	7 3/4	4 IF	6	2 13/16	5 1/2	4 1/4	1815
	46	43	6 5/8" Reg	7 3/4	4 IF	6	2 13/16	5 1/2	4 1/4	2068
	54	51	6 5/8" Reg	7 3/4	4 IF	6	2 13/16	5 1/2	4 1/4	2354
5 1/4	40	37	6 5/8" Reg	7 3/4	NC50	7	3 1/4	6 7/8	5 1/4	2750
	46	43	6 5/8" Reg	7 3/4	NC50	7	3 1/4	6 7/8	5 1/4	3146
	54	51	6 5/8" Reg	7 3/4	NC50	7	3 1/4	6 7/8	5 1/4	3674
6	40	37	6 5/8" Reg	7 3/4	6 5/8 FH	8	3 1/2	7 5/8	6	3674
	46	43	6 5/8" Reg	7 3/4	6 5/8 FH	8	3 1/2	7 5/8 6	6	4224
	54	51	6 5/8" Reg	7 3/4	6 5/8 FH	8	3 1/2	7 5/8	6	4950

STANDARD SIZE FOR HEX KELLY
Size	Length (ft)		Top upset joint		Bottom upset		Bore	Drive Section		Weight
(in)	A	B	LH	OD C (in)	RH	OD (in)	E (in)	F (in)	G (in)	(lb)
3	40	37	6 5/8" Reg	7 3/4	2 3/8IF	3 3/8	1 1/2	3 3/8	3	990
	46	43	6 5/8" Reg	7 3/4	2 3/8IF	3 3/8	1 1/2	3 3/8	3	1100
3 1/2	40	37	6 5/8" Reg	7 3/4	2 7/8IF	4 1/8	1 3/4	4 15/16	3 1/2	1276
	46	43	6 5/8" Reg	7 3/4	2 7/8IF	4 1/8	1 3/4	4 15/16	3 1/2	1474
	54	51	6 5/8" Reg	7 3/4	2 7/8IF	4 1/8	1 3/4	4 15/16	3 1/2	1716
4 1/4	40	37	6 5/8" Reg	7 3/4	3 1/21F	4 3/4	2 1/4	4 25/32	4 1/4	1650
	46	43	6 5/8" Reg	7 3/4	3 1/21F	4 3/4	2 1/4	4 25/32	4 1/4	1848
	54	51	6 5/8" Reg	7 3/4	3 1/21F	4 3/4	2 1/4	4 25/32	4 1/4	2156
5 1/4	40	37	6 5/8" Reg	7 3/4	4 IF	6	213/16	5 29/32	5 1/4	2244
	46	43	6 5/8" Reg	7 3/4	4 IF	6	2 13/16	5 29/32	5 1/4	2574
	54	51	6 5/8" Reg	7 3/4	4 IF	6	2 13/16	5 29/32	5 1/4	2970
6	40	37	6 5/8" Reg	7 3/4	4 1/2IF	7	3 1/2	6 13/16	6	2904
	46	43	6 5/8" Reg	7 3/4	4 1/2IF	7	3 1/2	6 13/16	6	3300
	54	51	6 5/8" Reg	7 3/4	4 1/21F	7	3 1/2	6 13/16	6	3894

KELLY COCK

OD: 4 3/4, 5 5/16, 6 5/8, 7, 7 1/4, 7 3/4, 8 inch. The body is made of a single piece of forged AISI 4145 H modified alloy steel, full treated to 285-341 Brinell Hardness and 40 ft-lb

Rotary Square Kelly / Hexagonal Kelly Of Oil Drilling Equipment

Any enquiry please contact us by email: christal@oilmancn.com.

Visit our website: www.oilmanchina.com for more products information.

Our WhatsApp/WeChat:+86 13475294399

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