- Drilling Rig[6]
- Separation Equipment[1]
- Alternative Energy Generators[1]
- Other Metal Processing Machinery[6]
- Other Mining Machinery[6]
- Gas Turbine Generators[1]
- Pumps[6]
- Diesel Generators[5]
- Mining Machinery Parts[6]
- Other Machinery[6]
- Other Tools[6]
- Steel Pipes[6]
- Bushings[1]
- Metal Processing Machinery Parts[6]
- Other Mechanical Parts[6]
- Pipe Fittings[4]
- Stainless Steel Pipes[6]
- Other Wire Mesh[1]
- Hooks[1]
- Other Metals & Metal Products[6]
- Cast & Forged[6]
- Drill Bit[6]
- Other Machine Tools Accessories[2]
- Material Handling Equipment Parts[1]
- Other Hand Tools[1]
- Other Material Handling Equipment[1]
- Tool Parts[2]
- Screws[6]
- Other Motor[3]
- Contact Person : Ms. dongying haixin
- Company Name : Dongying Haixin Petroleum Equipment Co., Ltd.
- Tel : 86-546-7755039
- Fax : 86-546-7718801
- Address : Shandong,Dongying,hekou economic development zone
- Country/Region : China
- Zip : 257000
Spiral drill collar
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Outside diameter | Depth of cut A | Spiral pitch ±25.4 | Depth of cut B | |
mm | in | mm | mm | mm |
98.4 | 3 7/8 | 4.0±0.79 | 914 |
|
101.6111.1 | 44 3/8 | 4.8±0.79 | 914 | |
114.3130.2 | 4 1/25 1/8 | 5.6±0.79 | 965 | |
133.4146.1 | 5 1/45 3/4 | 6.4±0.79 | 1067 | |
149.2161.9 | 5 7/86 3/8 | 7.1±1.59 | 1067 | |
165.1177.8 | 6 1/27 | 7.9±1.59 | 1168 | |
181.0200.0 | 7 1/87 7/8 | 8.7±1.59 | 1626 | 5.6±0.79 |
203.2225.4 | 88 7/8 | 9.5±1.59 | 1727 | 6.4±0.79 |
228.6250.8 | 99 7/8 | 10.3±2.37 | 1829 | 7.1±1.59 |
254.0276.2 | 1010 7/8 | 11.1±2.37 | 1930 | 7.9±1.59 |
279.4 | 11 | 11.9±2.37 | 2032 | 8.7±1.59 |
|
| |||
Figure 1. Spiral drill collar type B | Figure 2. Spiral drill collar type B | |||
Outside diameter | Depth of cut (Max.) | Spiral pitch ±25.4 |
| |
mm | in | mm | mm |
|
120.7 | 4 3/4 | 4.8 | 1000 |
|
155.6 | 6 1/8 | 6.4 | ||
158.8 | 6 1/4 | 6.4 | ||
171.5 | 6 3/4 | 7.1 | ||
184.2 | 7 1/4 | 7.9 | ||
190.5 | 7 1/2 | 7.9 | ||
196.9 | 7 3/4 | 7.9 | ||
203.2 | 8 | 9.5 |
|
|
209.6 | 8 1/4 | 9.5 | ||
215.9 | 8 1/2 | 9.5 | ||
228.6 | 9 | 9.5 | ||
241.3 | 9 1/2 | 11.9 | ||
254.0 | 10 | 11.9 | ||
Note: B Style Drill Collar, 3 Spiral Grooves, right-hand, well-distributed. ρ= R-e(1-cos3) | ||||
| ||||
Figure 2. Spiral drill collar type B | ||||
Spiral drill collar
