Product Drill Collar - Chinaprice: contact company for price
provides weight on the bit for drilling and keeps the
drillsting in tension.
TIANHE Drill Collar has been approved by the NS-1
certification, it is manufactured from 4145H modified
quenched and tempered steel, strict metallurgical
specifications are followed to insure that full length heat
treating produces a consistent maximum depth of hardness.
Features and Benefits
A hardness range of 285 to 341 BHN and a Charpy impact value
of 40 ft-lbs are guaranteed at evenly distributed 16 points
in any sections at room temperature;
Connections are completed(phosphate coated)to protect them
from the elements after machining and to help prevent
galling upon initial make-up;
Thread roots are cold rolled on API and H-90 connections;
Pressed steel thread protectors are supplied for all drill
collar that are equipped with standard connections
When ordering Please specify;
Drill collar OD and ID;
Connections required (size and type);
Special features desired, for example:
Slick or Spiral;
Stress Relief Features;
Slip and/or Elevator Recess;
- Posted By: Tianhe Oil
- Phone: 00862131150073
- Address: No.2999 Xinyang Road,Fengxian District, Shanghai, China
- Website: http://www.tianheoil.com
Published date: January 9, 2014 -
- Business Description: Tianhe Oil Group is a comprehensive enterprise of equipment
manufacturing and oilfield service providing. The company is specialized
in innovation, manufacture and sales of drill and petroleum extraction
tools, equipments and oil field services.
Tianhe Oil Group is the council member of CPEIA (China Petroleum and Equipment Industry Association), rewarded as national level of Hi Tech enterprise. The company is a Chinese well known trademark enterprise. It has been certified to ISO, API, NS 1, and HSE management system.
The company has developed a strong domestic sales network covering all oilfields of CNPC, SINOPEC and CNOOC. Currently, our products and equipments have been exported to 45 countries, overseas business has covered 80% of our company sales.
Pipe Cleaning DeviceEquipment - Hondar Machinery Sci-Tech Co., Ltd - China - May 16, 2016 - contact company for price
after pipeline project, long pipe need to do the necessary cleaning. We supply the pipe cleaning device. the products are as following: straight type pipe pig; bowl type pipe pig; caliper pipe pig; brush type pipe pig; jet type pipe pig; magnatic pip...
Industrial Powder Storage SiloEquipment - Flyer Steel Silo Engineering Co., Ltd. - China - May 11, 2016 - 100000.00 Dollar US$
With good integral property and long service life, Flyer steel silo is used for storage of slag, mineral powder, fine powder and fly ash. The steel silo is constructed with special equipment when it was built. In the process of rolling, the ektexine ...
Wood Pallet Machine Uses Waste Woods PerfectlyEquipment - Shanghai Pallet Machinery - China - April 18, 2016 - contact company for price
Do you think that waste wood is useless? In most area, waste wood is just used as firewood. In some developed area, perhaps waste wood is used for making saw dust. Today, we will tell you that waste wood can be recycled for producing wood pallets. th...
Safe Trade Tips
- Ask for business references and check them
- Verify their business via their local Chamber of Commerce