6 3/4" Non Mag Drill Collars NMDC Oil Gas Drilling Tool
API Drill Collar Spiral Drill Collar And Non Magnetic Drill Collar
Advantages
Since all magnetic measuring instruments sense the borehole's
geomagnetic field when measuring the direction of the borehole, the
measuring instrument must be in a non-magnetic environment. However, in the drilling process, the drilling tool is often
magnetic and contains a magnetic field, which affects the magnetic
measurement instrument and cannot obtain correct wellbore
trajectory measurement information data. The use of non-magnetic
drill collars can achieve a non-magnetic environment, which has the
characteristics of drill collars during drilling.
Introduction
The non-magnetic drill collar is made of low carbon high chromium
manganese alloy steel. After strict chemical composition
refinement, the mechanical properties are achieved through forging.
When the magnetic field intensity is 1×105 /4πA/m, the relative
permeability of the non-magnetic drill collar μr≤1.010. The
gradient of the magnetic induction intensity of the non-magnetic
drill collar at any interval of 100mm along the inner hole is
≤0.05μT.
Non-magnetic drill collars have unusual design requirements and
therefore bring unique corrosion resistance issues. The drill
collar is the bottom component of the drill string. The weight of
the drill generates a force on the drill bit on the drill generates
to make it drill in. The stiffness of the drill allows the force to
be transmitted without bending. Like other drill strings,
conventional drill collars are made of alloy steel. Except for
threaded connections, there is usually no problem with their
corrosion. A typical drill collar is 30 feet long and 4 to 9 inches
in diameter.
Product parameters
| Machine Type | Drilling Tool |
| Material | Carbon Steel |
| Processing Type | Forging |
| Use | Well Drilling |
| bit size | 3 3/4"(95mm) |
| connected thread | 2 7/8''reg |
| lobe | 5:6 |
| stage | 4 |
| flow rate | 162-578 lpm |
| rotory speed | 121-432rpm |
| working pressure loss | 3.2mpa |
| output torque | 613 N.m |
| output power | 36kw |
| Applicable Industries | Building Material Shops, Machinery Repair Shops, Construction works
, Energy & Mining |
| Model | ToolOD mm | Connecting Thread | For Mud motor | IADC |
| 4 1/8” | 108 | 2 7/8IF | 5LZ95x7.0L-5-600 | 127 217 517 537 617 637 |
| 5” | 127 | 3 1/2IF | 5LZ120x7.0-5-864 |
| 6 3/4” | 172 | 4 1/2IF | 5LZ165x7.0-5-840 |
| 7 1/2” | 190 | 5 1/2FH | 5LZ172x7.0-5-840 |
| 8 1/4” | 210 | 6 5/8FH | 5LZ203x7.0 -5-840 |
Used in
Pipeline transportation, boiler tubes, hydraulic/automotive tubes,
oil/gas drilling, food/beverage/dairy products, machinery industry,
chemical industry, mining, construction and decoration, special
purpose.
Features
It has good low permeability and high strength. Excellent
mechanical properties, excellent intercrystalline corrosion
resistance, cracking resistance and wear resistance.
Pic Show
FAQ:
1. How to order the products?
A: Please send the inquiry with detail item description or with
Model number.
2. How about the common packing?
A: If there is no special packing demand, we will take it as our
normal packing. First in small carton, and then put in the bigger
carton together to make sure goods completed.
3. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy
international request.
4. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any
misunderstanding or any links from our website for a better
understanding.
5. How to control quality?
A: We have our own experienced QC team,there will be strict
inspection and testing for each order before shipping out.
6. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we
have stock of your request size.
7. Competitive price:
A: Our factory can supply you the lowest price due to direct sale
to customers without distributor!
