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Drill Tool Lifting Sub

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Drill Tool Lifting Sub

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Category： Drilling tool(Sub)

Key words：Drilling tool(Sub)Drill Tool Lifting Sub

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The drilltool lifting sub is the special tools for lifting of the drilltools in petroleum ,natural gas industry and geologic exploration.The drill tool lifting sub is divided into a or b type structure.The a type has 18 degree shoulder,the b type has 90degree shoulder.The lifting sub can be selected according to elevator’s structure. The integral lifting subs are made of high strength alloy steel. All connections are complied with API standard.

Tzechnical specifications and parameters:

No.	Nomi size D+/-0.1 mm(in)	ID d/mm	External Thread connection				Lifting end

			Thread type	OD Dp+/-0.1 mm(in)	Bevelled DE/mm	Tong Space LPB/mm	DB+/-0.1	Tong Space LBmm
1	73 (2 7/8)	31.8	NC23	79.4	76.2	250	111.1	100
2	73 (2 7/8)	44.5	NC26(2 3/8)	88.9	82.9		111.1
3	89 (3 1/2)	54	NC31(2 7/8)	104.8	100.4		127
4		50.8	NC35	120.7	114.7
5		68.3	NC38(3 1/2)	127	121
6	127(5)	71.4	NC44	152.4	144.5		168.3
7		71.4	NC44	158.8	149.2
8		82.6	NC46 (4" IF)	158.8	150
9				165.1	154.8
10				171.5	159.5
11	127	82.6	NC50(4 1/2"IF)	177.8	164.7	250	168.3	100
12			NC50(4 1/2"IF)	184.2	169.5	250
13			NC56	196.8	185.3	300
13			NC56	203.2	190.1
14			6 5/8"REG	209.6	195.7
15		95.3	NC61	228.6	212.7
16			7 5/8"REG	241.3	223.8
17			NC70	247.7(9 3/4)	232.6
18			NC70	254(10)	237.3
19			NC77	279.4(11)	260.7
20			NC77	279.4(11)	260.7