That537g Tci Rock Bit

Name: That537g Tci Rock Bit
Brand: Hejianshi Tengda Petroleum Supplies Co.,Ltd
Rating: 4.6 (19 reviews)

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10yrs

Cangzhou, Hebei, China

Manufacturer
OEM service

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Product description

Bit type	IADC Code	Applicable formation	Main characteristics of the bit	Recommended parameters
Bit type	IADC Code	Applicable formation	Cutting structure	Normal WOB KN/mm(bit dia.)	Rotary Speed(rpm)
THAT447G	447	Soft with low compressive strength and high drillability.such as shale.clay sandstone,soft limestone salt bed and gypsolyte,etc.	Conical and conical scoop compacts in inner row,, with added number of compact rows, and a row of trimmers is added between gage row and heel row.	0.35-1.00	140-60
THAT517G	517	Soft with low compressive strength and high drillability.such as shale.clay,sandstone and soft limestone,etc.	Large dia,offset crested scoop compacts in inner row,wgdge compacts in outer row ,and a row of trimmers is added between gage row and heel row	0.35-1.05	120-50
THAT527G	527	Soft with low compressive strength ,such as shale,clay,sandstone,soft limestone.salt bed and hard gypsolyte,etc.	Conical and conical scoop compacts in inner row,wedge compacts in outer row,with added number of ompacts. and a row of trimmers is added between gage row and heel row	0.35-1.05	120-50
THAT537G	537	Medium soft with low compressive strength and harder abrasive stringers,such as hard shale,hard gypsolyte,soft limestone,sandstone and dolomite with stringers,etc.	Offset crested scoop compacts in inner row,wedge compacts in outer row , inequable spaced compacts arrangement.,and a row of trimmers is added between gage row and heel row	0.50-1.05	110-40
THAT547G	547			0.50-1.05	110-40
THAT617G	617	Medium hard with high compressive strength and thick&hard stringers,such as hard shale, limestone.sandstone and dolomite,etc.	Large radius scoop compacts in inner row,wedge compacts in outer row and inequable sqaced compacts arrangement. and a row of trimmers is added between gage row and heel row	0.50-1.05	80-40
THAT637G	637	Medium hard with high compressive strength and high abrasiveness,such as limestone,dolomite, sandstone and chert,etc.	Large radius scoop compacts in inner row,spherical compacts in outer row., and a row of trimmers is added between gage row and heel row	0.70-1.20	70-40
THAT737G	737	Medium hard with high compressive strength and high abrasiveness,such as limestone,dolomite, sandstone and chert,etc..	Large radius scoop compacts in inner row,spherical compacts in outer row., and a row of trimmers is added between gage row and heel row	0.70-1.20	70-40

NO.	Tricone bit size		Thread sizes	NO.	Tricone bit size		Thread sizes
NO.	Inch	mm	Thread sizes	NO.	inch	mm	Thread sizes
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