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| Categories | Crossover subs |
|---|---|
| Brand Name: | JianShi |
| Place of Origin: | Hebei, China |
| MOQ: | 1 piece |
| Price: | bargain |
| Supply Ability: | The construction period of a HHD reamer is 5-7 days |
| Delivery Time: | 15 days -30 days. |
| Packaging Details: | Can be customized + carton |
| Product Name: | Crossover Sub Drilling |
| Origin: | Hebei, China |
| Type: | Divider |
| Material: | Alloy steel |
| Use: | Oil drilling |
| Thread surface treatment: | Phosphating and copper plating |
| Standard: | API 7-1 |
| Connection type: | NC, REG, FH, IF |
Ex - Factory API Drilling Cross Is Used To Sell Oil Wells
Cross connections are used to connect up and down the drill pipe in different connections during drilling operations. It can also be used to protect other tools in the drill pipe (called guard joints) or to transport the discharged air to the bit face above the bit (called bit joints).
After the drill bit and the directional joint are connected and tightened, the included Angle between the large water hole of the drill bit and the directional key of the directional joint is detected.
After the drilling tool is run, the azimuth Angle of the large water hole is calculated according to the azimuth Angle of the directional key determined by the drift indicator at a single point.
Change the large water hole of the drill bit to the desired azimuth Angle, then lock the turn and start the pump drill in;
In case of deflection, take the way of side deflection, side light pressure bit, help deflection;
Deflection 2 ~ 3 meters, light pressure slow rotation into 4 ~ 5 meters;
Repeat the above operation several times, when the deviation Angle reaches the expected requirements, reduce the weight on bit and increase the speed to smooth deviation.
The company is located in Junziguan Village, Shijing Township, the ancient town of civilization, 156+8 kilometers away from the 106 National Road, with convenient and smooth transportation. Over the years, our company has focused on the design and manufacture of rock reaming bits. Quality and management meet and implement ISO 9001:2015 standards.
1. Who are we?
We are headquartered in Hebei, China, and have been selling worldwide since 2019.
2. How can we guarantee the quality?
Pre-production samples are always used before mass production;
Always carry out final inspection before shipment;
3. What can you buy from us?
Roller cone bit, Pdc bit, drilling machine parts, oil drilling equipment
4. Why buy from us instead of other suppliers?
The company was founded in 2013, specializing in the production of tri-cone drill bits, PDC bits, hole openers, scraper bits and related drilling equipment. The company is located in Hebei, China.
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