API Spec 7-1 P550 P530 Nmdc Non-Magnetic Drill Collars
Brand : Tolian
Product origin : China
Delivery time : 35days
Supply capacity : 10pcs/month
Product description
MWD nonmagnetic short crust, Matching tools for wireless drilling drilling trajectory control instrument (regular sizes see thefollowing table, we also can produce the ones according to client's requirements)
API Mechanical non-magnetic short crust drilling collar for well drilling tools API NMDC for well drilling
API Spec 7-1 P550 P530 Nmdc Non-Magnetic Drill Collars
ECHNICAL PARAMETERS
| Type | Diameter (mm) | Internal Diameter (mm) | Internal bore length (mm) | Lower-end aperture (mm) | Total leagth (mm) |
| MWD-121 | 121 | 88.2 | 1590 | 65 | 2500 |
| MWD-172 | 172 | 111.5 | 1316 | 83 | 2073 |
| MWD-175 | 175 | 127.4 | 1280 | 76 | 1690 |
| MWD-203 | 203 | 127 | 1406 | 83 | 2048 |
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