Type A Drill Collar Slips, often referred to as Woolley Style slips, are essential tools in drilling operations, specifically designed for gripping and suspending drill collars in the rotary table of drilling rigs. These slips ensure secure handling of heavy drill collars, providing the support needed during tripping in and out of the wellbore. Known for their durability and high load capacity, the Type A Drill Collar Slips are widely used in oil and gas drilling.
Type A Drill Collar Slips, often referred to as Woolley Style slips, are essential tools in drilling operations, specifically designed for gripping and suspending drill collars in the rotary table of drilling rigs. These slips ensure secure handling of heavy drill collars, providing the support needed during tripping in and out of the wellbore. Known for their durability and high load capacity, the Type A Drill Collar Slips are widely used in oil and gas drilling.

Our company specializes in manufacturing high-quality drilling tools and equipment, including the Type A Drill Collar Slips. We are committed to delivering products that meet the highest industry standards, ensuring safety, reliability, and durability in all drilling applications. Our products are API 7K and ISO 9001 certified, guaranteeing compliance with industry regulations.
What sizes of drill collars can the Type A Drill Collar Slips handle?
These slips are designed to fit drill collars ranging from 3" to 14" (76.2 mm to 355.6 mm), making them suitable for a wide range of operations.
What is the maximum load capacity of these slips?
The Type A Drill Collar Slips can handle up to 250 tons, making them ideal for heavy-duty applications.
Are these slips certified for safety and quality?
Yes, our Type A Drill Collar Slips are certified to API 7K and ISO 9001 standards, ensuring compliance with industry safety and quality regulations.
Can these slips be customized?
Yes, we offer customization options for size, segment configuration, and gripping inserts to meet the specific needs of your operation.
What maintenance is required for these slips?
Our slips are built for durability and require minimal maintenance. However, regular inspections are recommended to ensure optimal performance.
Type A Drill Collar Slips (Woolley Style) are a reliable, heavy-duty solution for safely gripping and suspending drill collars during drilling operations. With their robust construction, high load capacity, and versatile design, these slips are an essential tool for efficient and safe drilling.
Our company is dedicated to providing top-quality drilling equipment that meets the rigorous demands of the oil and gas industry. Choose our Type A Drill Collar Slips for a dependable, long-lasting solution that enhances safety and efficiency on your rig.
Type A Drill Collar Slips, often referred to as Woolley Style slips, are essential tools in drilling operations, specifically designed for gripping and suspending drill collars in the rotary table of drilling rigs. These slips ensure secure handling of heavy drill collars, providing the support needed during tripping in and out of the wellbore. Known for their durability and high load capacity, the Type A Drill Collar Slips are widely used in oil and gas drilling.

The Woolley Style design enhances gripping capability and overall safety by distributing the load evenly across the drill collar, preventing slippage and minimizing wear on both the slips and the drill collar. These slips are made from high-grade alloy steel, ensuring longevity and resistance to the demanding conditions of drilling environments.
| Parameter | Details |
|---|---|
| Type | Type A Drill Collar Slips (Woolley Style) |
| Material | Alloy steel |
| Capacity | Up to 250 tons |
| Drill Collar Range | 3" to 14" (76.2 mm to 355.6 mm) |
| Segment Count | 3-4 segments depending on size |
| Slip Body Design | Multi-segment, self-centering |
| Surface Finish | Hardened gripping inserts |
| Weight | 20 kg to 50 kg per segment |
| Certifications | API 7K, ISO 9001 |
| Temperature Range | -40°C to 60°C |
The DC drive drawworks provide high levels of torque at low speeds, a critical feature for applications requiring fine control, such as running casing or directional drilling. The DC motor's ability to maintain a constant speed, even under varying loads, enhances the efficiency of the drilling process and reduces the risk of mechanical wear. Additionally, the dynamic and regenerative braking systems ensure smooth operation during lowering and braking phases, increasing safety and reducing energy consumption.
Designed for high-performance operations, these drawworks can be easily integrated with the rig's control systems, allowing for remote monitoring and real-time adjustments. This advanced level of control enhances the precision of drilling activities and minimizes downtime due to mechanical failures or inefficiencies.
Our DC drive drawworks are customizable to meet specific operational requirements. Options include adjusting load capacity, motor power, gear ratios, and control systems, ensuring that the drawworks are perfectly suited to your rig’s needs.
The drawworks are carefully packaged to ensure safe delivery, with reinforced containers and shock-absorbent materials used to protect all components. We offer global shipping with multiple options, including air and sea freight, depending on your location and requirements. Each drawworks system is thoroughly tested and inspected before shipping to guarantee optimal performance upon arrival.



Proud Petroleum Equipment Co., Ltd. (Proud Petro), established in 2015 in Shengli Oilfield, operates from Dongying City, China’s largest petroleum equipment manufacturing hub. As a certified SINOPEC supplier and member of CCOIC, CCPIT, and CCCME, we have steadily expanded, adding two manufacturing bases in Jiangsu Province to meet growing industry demands. Proud Petro specializes in producing API-certified products such as API 6A valves, Christmas trees, API 16A blowout preventers, and API 5DP drill pipes. Covering over 40,000 square meters and equipped with 90 advanced machines, our facilities prioritize precision and durability, adhering to ISO, API, and GOST standards. This foundation ensures we deliver reliable, high-quality products to a global market.
Driven by the core values of “quality first, innovation, and a people-oriented service approach,” Proud Petro emphasizes excellence across every facet of operations. With a team comprising technical experts, production workers, quality inspectors, sales professionals, and customer service staff, we ensure seamless service and innovation. In 2019, our expansion into the U.S. strengthened ties with global oil companies, enhancing our ability to meet North American market demands. As we aim to become a world-class supplier, Proud Petro remains committed to innovation, sustainability, and excellence in the evolving oil and gas industry.