Tricone bit for well drilling from China manufacturer - Hejianshi Tengda Petroleum Supplies Co.,Ltd

Price:	1750.0~2650.0 USD
Payment Terms:	T/T,L/C,
Place of Origin:	Hebei, China (Mainland)


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Product Detail

Model No.: 8-1/2TDHJ627 TCI tricone bi...

Production Capacity: 285pieces/month

Delivery Date: 30days

Homnework diameter size: 8-1/2 inch

connection thread size: 4-1/2 inch

Material: cemented carbide

TYpe: Drill bit

Means of Transport: Ocean,

Packing: steel box or wood box

Brand Name: Tengda

Number of cone: 3 cone

Cutting teeth specifications: cone type

Use: metal drilling

1.Homnework diameter size:8-1/2 inch.
2.connection thread size:4-1/2 inch
3.Cutting teeth specifications:cone type
4.IADC code:627

8-1/2TDHJ627 tricone bit for well drilling describe:
1.Homneword diameter size: 8-1/2 inch
2.connection thread size: 4-1/2 inch
3.Applicable formation: Medium hard with high compressive strength and hard stringers,such as limestone,hard sandy mudstone and sandstone,etc.
4.Main characteristics and cutting structure of the bit: conical compacts in inner row,spherical compacts in outer row.
5.Recommended parameters:Normal WOB 0.50--1.05 KN/mm Rotary Speed 200--40 rpm
6.Sealing structure: Sliding bearing metal seal
7.Tricone bit specification list:

NO.	Tricone bit size		Thread size	NO.	Tricone bit size		Thread size
NO.	Inch	mm	Thread size	NO.	inch	mm	Thread size
1	3-3/4	95.3	2-3/8	28	9-5/8	244.5	6-5/8
2	3-7/8	98.4	2-3/8	29	9-7/8	250.8	6-5/8
3	4-1/8	104.8	2-3/8	30	10-1/2	266.7	6-5/8
4	4-1/4	108.0	2-3/8	31	10-5/8	269.9	6-5/8
5	4-1/2	114.3	2-3/8	32	11	279.4	6-5/8
6	4-5/8	117.5	2-7/8	33	11-5/8	295.3	6-5/8
7	4-3/4	120.7	2-7/8	34	12	304.8	6-5/8
8	4-7/8	123.8	2-7/8	35	12-1/4	311.2	6-5/8
9	5-1/2	139.7	3-1/2	36	12-5/16	312.7	6-5/8
10	5-5/8	142.9	3-1/2	37	12-3/8	314.3	6-5/8
11	5-2/3	143.9	3-1/2	38	12-7/16	315.9	6-5/8
12	5-3/4	146.1	3-1/2	39	12-5/8	320.7	6-5/8
13	5-7/8	149.2	3-1/2	40	13-1/8	333.4	6-5/8
14	6	152.4	3-1/2	41	13-1/2	342.9	6-5/8
15	6-1/8	155.6	3-1/2	42	13-5/8	346.1	6-5/8
16	6-1/4	158.8	3-1/2	43	13-3/4	349.3	6-5/8
17	6-1/2	165.1	3-1/2	44	14-1/2	374.7	7-5/8
18	6-5/8	168.3	3-1/2	45	14-3/4	374.7	7/5/8
19	6-3/4	171.5	3-1/2	46	15-1/2	393.7	7-5/8
20	7-1/2	190.5	4-1/2	47	16	406.4	7-5/8
21	7-5/8	193.7	4-1/2	48	17-1/2	444.5	7-5/8
22	7-7/8	200.0	4-1/2	49	18-7/8	479.4	7-5/8
23	8-3/8	212.7	4-1/2	50	20	508.0	7-5/8
24	8-1/2	215.9	4-1/2	51	22	558.8	7-5/8
25	8-5/8	219.1	4-1/2	52	24	609.6	7-5/8
26	8-3/4	222.3	4-1/2	53	26	660.4	7-5/8
27	9-1/2	241.3	6-5/8