Drill Collar
Drill Collar
We offer API standard drill collars designed for optimal weight on bit and improved drilling efficiency. As a reliable global supplier, we serve clients across Europe, the Middle East, Africa, and Asia with precision-engineered products.
Customization Options: –
- Custom lengths and outer diameters
- Spiral design configurations
- Non-magnetic drill collars (NMDC) available
- Special coatings and treatments
- Marking and traceability as per client specifications
Technical Specification
| Inside Diameter ID | Length | Bevel Diameter (mm) | Reference Bending Strength Ratio (BSR) | ||
|---|---|---|---|---|---|
| in | mm | ft | m | ||
| 1 1/4 | 31.8 | 30 | 9.14 | 76.2 | 2.57:1 |
| 1 1/2 | 38.1 | 30 | 9.14 | 82.9 | 2.42:1 |
| 2 | 50.8 | 30 or 31 | 9.14 or 9.45 | 100.4 | 2.43:1 |
| 2 | 50.8 | 30 or 31 | 9.14 or 9.45 | 114.7 | 2.58:1 |
| 2 1/4 | 57.2 | 30 or 31 | 9.14 or 9.45 | 121 | 2.38:1 |
| 2 1/4 | 57.2 | 30 or 31 | 9.14 or 9.45 | 144.5 | 2.49:1 |
| 2 13/16 | 71.4 | 30 or 31 | 9.14 or 9.45 | 144.5 | 2.84:1 |
| 2 1/4 | 57.2 | 30 or 31 | 9.14 or 9.45 | 149.2 | 2.91:1 |
| 2 13/16 | 71.4 | 30 or 31 | 9.14 or 9.45 | 150 | 2.63:1 |
| 2 1/4 | 57.2 | 30 or 31 | 9.14 or 9.45 | 154.8 | 2.76:1 |
| 2 13/16 | 71.4 | 30 or 31 | 9.14 or 9.45 | 154.8 | 3.05:1 |
| 2 1/4 | 57.2 | 30 or 31 | 9.14 or 9.45 | 159.5 | 3.18:1 |
| 2 1/4 | 57.2 | 30 or 31 | 9.14 or 9.45 | 164.7 | 2.54:1 |
| 2 13/16 | 71.4 | 30 or 31 | 9.14 or 9.45 | 164.7 | 2.73:1 |
| 2 13/16 | 71.4 | 30 or 31 | 9.14 or 9.45 | 169.5 | 3.12:1 |
| 2 13/16 | 71.4 | 30 or 31 | 9.14 or 9.45 | 185.3 | 2.70:1 |
| 2 13/16 | 71.4 | 30 or 31 | 9.14 or 9.45 | 190.1 | 3.02:1 |
| 2 13/16 | 71.4 | 30 or 31 | 9.14 or 9.45 | 195.6 | 2.93:1 |
| 2 13/16 | 71.4 | 30 or 31 | 9.14 or 9.45 | 212.7 | 3.17:1 |
| 3 | 76.2 | 30 or 31 | 9.14 or 9.45 | 223.8 | 2.81:1 |
| 3 | 76.2 | 30 or 31 | 9.14 or 9.45 | 232.6 | 2.57:1 |
| 3 | 76.2 | 30 or 31 | 9.14 or 9.45 | 237.3 | 2.81:1 |
| 3 | 76.2 | 30 or 31 | 9.14 or 9.45 | 266.7 | 2.84:1 |
Frequently Asked Questions
What types of drill collars do you supply?
We offer a complete range of oilfield drill collars, including API standard drill collars, slick drill collars, spiral drill collars, and Non-magnetic drill collars.
What is the difference between slick and spiral drill collars?
- Slick drill collars have a smooth outer surface.
- Spiral drill collars have grooves to reduce differential sticking and improve mud flow.
Can you provide customized drill collars?
As a leading drill collar supplier, we offer customization in size, length, connections, material grade, and surface treatment based on client requirements.
What is your minimum order quantity (MOQ)?
MOQ depends on the product type and specifications. We support both bulk orders and project-based requirements for international clients.
Is your drill collars API certified?
Do you supply non-magnetic drill collars (NMDC)?
Yes, we can supply non-magnetic drill collars upon request, suitable for directional drilling applications where magnetic interference must be minimized.
Do you support OEM or private labeling?
Yes, we offer OEM services, including customized branding and marking for drill collars as per client requirements.
Are your drill collars suitable for offshore drilling?
Yes, our API drill collars are designed to perform efficiently in both onshore and offshore drilling operations.
Do you export drill collars worldwide?
Yes, DIC Oil Tools is a global drill collar exporter, supplying API drill collars worldwide including the USA, Canada, UK, Germany, Russia, Iraq, UAE, Saudi Arabia, Oman, Kuwait, Nigeria, Egypt, South Africa, Indonesia, Malaysia, Australia, and other countries.