Rock Drilling Drag Bits
Step Drag Bits are specially designed for drilling into soft soils and rocky conditions. They are best suited for drilling into sand, clay, shale, limestone, conglomerate, marl, etc. and are commonly used for water well drilling, mining, geothermal, and mineral exploration drilling operations in soft rock. They are also well suited for drilling pilot holes
Product Definition
drag Bits is one of the first rotary drilling tools, mainly used in oil and gas extraction, geological exploration, mining and construction. It consists of a drill bit body, scraper blades (cutter wings), distributor cap and nozzle. Its key feature is that tungsten carbide or diamond composite blades are installed on the blades to break rock by cutting or scraping action. It is suitable for soft to medium-hard formations (RQD grades 1 - 4).
Miningwell is ready to serve you
Miningwell has its own production workshop and professional team to provide economical drilling solutions and installation services. Our rock drills, down the hole drills, top hammer drills, rotary drills and water well drills are exported to overseas markets. We offer OEM service, just contact us and send your design. We will offer you reasonable price and make samples for you as soon as possible. We are willing and ready to do our best to help you.
Technical characteristics and core advantages
Structure and working principle
Low-complexity design: it consists of drill bit body, cutter wing, splitter cap and nozzle, with no moving parts, low failure rate and easy maintenance.
· Ease of maintenance: the cutter wing can be repaired by surfacing cemented carbide after wear, and a single drill bit can be reused 2-3 times, significantly reducing the cost of a single well.
Formation adaptability
Plastic formations (such as mudstone, shale): the cutter wing strips off the rock through cutting and plastic flow, with high mechanical drilling speed.
Brittle formations (e.g. sandstone): breaking rock by collision crushing and shearing, need to optimize the blade tip angle (β) and cutting angle (α) to balance the efficiency and wear.
Material and performance breakthrough
cemented carbide and diamond composites: improve wear resistance, extend service life, some high-end models can drill medium-hard strata (RQD 4 grade).
Application Scenarios and Market Dynamics
Application Scenarios
· mainstream field:
Oil drilling upper loose strata (accounting for 30%-50% of total drilling footage).
Hydrological exploration, construction piling works (cost-sensitive projects).
· Extension potential: gradually expand to medium-hard formation scenarios such as shale gas development and deep ground exploration by strengthening the blade wing structure.
Global Market Dynamics
· Scale and growth: China's market will reach 17.75 billion yuan in 2022, with carbide drill bits accounting for over 70%, and the global market is expected to grow at a stable rate in 2025 (CAGR 4%-6%).
excellent cooling and chip removal performance
advantages
1.Built-in cooling system: High-pressure jets are formed through the splitter cap and nozzle, effectively removing rock chips and lowering the temperature of the drill bit, avoiding material softening caused by high temperature.
2.Anti-jamming design: Higher linear velocity on the outside of the cutter flank, combined with large displacement drilling fluid, reduces rock chip accumulation and lowers the risk of well wall collapse.
Easy Operation and Economy
advantages
Flexible adjustment of · parameters: wide range of drilling pressure and rotational speed adjustment (drilling pressure 50-200kN, rotational speed 80-150 rpm), suitable for quick adaptation under different formation conditions.
· outstanding economy: in cost-sensitive projects (e.g. hydrological exploration, construction piling), its comprehensive cost is 30%-40% lower than that of PDC drill, and it does not need the support of high-precision equipment.
Drag bits, with their cost advantages, structural reliability and wide applicability, remain the core tool for drilling in soft formations and are irreplaceable, especially in scenarios with limited budgets or moderate technical requirements.
The company was established in 2001, It is a manufacturer mainly engaged in Low pressure hammer,Medium pressure hammer ,High pressure DTH hammer, as well as down the hole drilling rig accessories and drill rods.
Adhering to the concept of "win-win cooperation", we have formed strategic partnerships with numerous domestic peers, committed to becoming a one-stop service center, promoting global drilling and production needs, and becoming a technology-based, sharing and mutual assistance company. Thus, D-MININGWELL Supply Chain Co., Ltd. was born. MININGWELL's supply chain covers all excellent rock drilling products in China, from underground drilling to open-pit and deep well drilling, providing one-stop services for global rock drilling companies.
Our products are exported to all parts of the country and highly praised by domestic and foreign users.
Facebook：drilling rig plan+(https://www.facebook.com/profile.php?id=61551253829157)
Ins ：d_miningwelldrillingrigsturkey
WhatsApp ：+8615857099988
Tiktok：d_miningwell_comp
Youtube:dminingwell@gmail.com
Our address
No. 18 Gaotang Road, Qujiang District, Quzhou City, Zhejiang Province
Phone Number
+8615857099988
seo@dminingwell.com
