4 3/4 Inch Oilfield DC Spiral Drill Collar

Brand Name:TR Solids Control
Certification:API 7-1 Certificate, ISO Certificate
Model Number:TRDT
Minimum Order Quantity:1 pc
Delivery Time:Within 8 days after deposit
Payment Terms:L/C, D/A, D/P, T/T, Western Union
Contact Now

Add to Cart

Verified Supplier
Address: No.10 West of North Second Rig, Weiyang District, Xi’an City, China
Supplier`s last login times: within 48 hours
Product Details Company Profile
Product Details

4 3/4 Inch DC Sprial Drill Collar API 7-1 for Oilfield


Product Descrption

Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from diffirential pressure. The drill collars are manufactired strictly according to API Spec7-1 and Standard SY5144.


We supply slick drill collars, spiral drill collars and non-magnetic drill collars. Their sizes are from 3-1/8 to 11 inches. Besides the drill collars in the table below, we can supply other drill collars at customers' request.


Material: Our drill collars are manufactured from AISI 4145H modified steel, and are supplied in the "as rolled" surface finish condition. Alternative surface finishes are available.


Design Characterstics of Application of Our Drill Collar

  1. Put pressure on the drill bit
  2. To ensure the necessary strength of compression.
  3. In the process of drilling well deflection control.
  4. To reduce the vibration of the drill bit, swing, and beating, so that the drill work smoothly.

Key Parameters of Our Oilfield Drill Collar


TypeOD(mm)ID(mm)
L(m)
±152.4mm
d

DF(mm)
±0.4

NC23-31
79.431.89.1476.2
NC26-3588.938.19.1482.9
NC31-41104.850.89.14or9.45100.4
NC35-47120.650.89.14or9.45114.7
NC38-5012757.29.14or9.45121
NC44-60152.457.29.14or9.45144.5
NC44-60152.471.49.14or9.45144.5
NC46-62158.857.29.14or9.45149.2
NC46-62158.871.49.14or9.45150
NC46-65165.157.29.14or9.45154.8
NC46-65165.171.49.14or9.45154.8
NC46-67171.457.29.14or9.45159.5
NC50-70177.857.29.14or9.45164.7
NC50-70177.871.49.14or9.45164.7
NC50-72184.271.49.14or9.45169.5
NC56-77196.871.49.14or9.45185.3
NC56-80203.271.49.14or9.45190.1
6-5/8REG209.671.49.14or9.45195.6
NC61-90228.671.49.14or9.45212.7
7-5/8REG241.376.29.14or9.45223.8
NC70-97247.676.29.14or9.45232.6
NC70-10025476.29.14or9.45237.3
8-5/8REG279.476.29.14or9.45266.7
NC50-67171.571.49.14or9.45159.5


Xi'An TianRui Petroleum Machinery Equipment Company Limited is an international comprehensive industrial group committed to making the extraction of oil and gas more efficient, providing customers one-stop solutions including R&D of high-end oil and gas equipment, oil and gas energy engineering and oil field integration services, industry + internet platform services, industry training and human resource services. Taking the full advantages of equipment, technology, services, talents and platforms, and multi-field business models development, We are upgrading from solutions providing to a win-win eco-industrial chain.


Competitive Advantages


1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Most of our equipment can be replaceable with international brands.
6. Our products have been exported to Argentina, Egypt, US, Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India, Indonesia, Vietnam, Malaysia and many other countries.

China 4 3/4 Inch Oilfield DC Spiral Drill Collar supplier

4 3/4 Inch Oilfield DC Spiral Drill Collar

Inquiry Cart 0