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[Province: Hebei ]   
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Best sell drillling bit for petroleum in China(IADC Code 537)
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Best sell drillling bit for petroleum in China(IADC Code 537)

Price: 525.0~8950.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C,
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  • Product Details
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Basic Info.
  • Brand Name: Tengda bit 
  • color: as customer request 
  • work time: 120-180 hours 
  • formation: medium soft with low compressive strength and hard abrasive stringers. 
  • Normal WOB KN/mm (bit dia.): 0.35-1.05 
  • Rotary Speed(rpm): 110-40 
  • size: as customer request or as the size below 
  • certificate: API & SGS 
  • structural features: sliding bearing 
  • Seal structure: rubber seal 
  • special structure: Special gauge 
  • Model No.: THA537 
  • Place of Origin: Hebei  
  • Min.Order: 1 Piece/Pieces
  • Means of Transport: Ocean, Air
Supply Capacity
  • Production Capacity: 215 piece /month
  • Packing:wooden or steel boxes
  • Delivery Date: within 30 days after deposit
Best sell drilling bit for petroleum in China
Bit
type
IADC Code
Applicable formation
Cutting structure
Normal WOB
KN/mm(bit dia.)
Rotary Speed(rpm)
THA537G
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 and inequable spaced compacts arrangement.
0.35~1.05
110~40













U can choose the bits size below or we can manufacture the bits you need
Tricone bit size
Thread sizes
NO.
Tricone bit size
Thread sizes
Inch
mm
inch
mm
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
TCI bits series:
Soft formation TCI tricone bits:
The soft formation TCI tricone bits are used to drill low compressive strength, very soft formations. This bit maximized to use of both conical and chisel tungsten carbide inserts of large diameters and high projection. This cutting structure design, combined with maximum cone offset, results in high bit penetration rates. The deep intermesh of cutter rows prevents bit bailing in sticky formations.

Medium formation TCI tricone bits:
The medium formation TCI tricone bits features aggressive chisel tungsten carbide inserts on the heel rows and inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard for mations. The HSN rubber O-ring provides adequate sealing for bearing durability.

Hard formation TCI tricone bits:
The hard formation TCI tricone bits can be used to drill hard and abrasive formations. Wear resistance tungsten carbide inserts are used in the outer rows to prevent loss of bit gauge. Maximum numbers of hemispherical shaped inserts are used in all rows to provide cutter durability and long life.

Medium hard formation TCI tricone bits:
The medium hard formation TCI tricone bits features robust chisel tungsten carbide inserts on the heel row and conical on the inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard formations. The HSN rubber O-ring provides adequate sealing for bearing durability.
Steel teeth bits series:
Soft formation teeth bits:
The soft formations tooth bits are used to drill low compressive strength, soft formations. Long projection tooth lengths are used on high offset cones to provide the greatest penetrations rates possible. Wear resistance hard facing is used to control tooth wear. On the softest bit types this hard facing completely covers the bit teeth.
Medium hard formations tooth bits:
The medium hard formation tooth bits are used to drill high compressive strength, medium hard formations. Shoot projection teeth with reduced crest length are used in this series of bit designs. Durable hard facing is applied to reduce tooth wear.
Best sell drillling bit for petroleum in China(IADC Code 537)
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Mr. jesonding
Tel: 86-317-3229226
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Contact Method
Hejianshi Tengda Petroleum Supplies Co.,Ltd
junziguan xicun town hejiancity, Cangzhou, Hebei, China (Mainland)
Fax: 86-317-3226086
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