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The 7'' IADC 117 Steel Tooth Bit by HJ Bit is tailored for soft rock formations, making it a top choice for water well, oil & gas drilling, and exploration.
Its milled steel tooth design delivers exceptional performance in clay, mudstone, and other soft formations. The elastomer-sealed bearing reduces friction, extending the bit’s lifespan and minimizing wear.
Equipped with a mud circulation system and three jet nozzles, the bit enhances fluid flow, keeping the cones clean and boosting overall drilling efficiency. The 4 1/2 API REG PIN thread ensures compatibility with a wide range of drilling rigs.
Built to last, this bit features gauge protection and shirttail reinforcement, ensuring durability in the most challenging drilling conditions. Operating at RPM 180-60 and WOB 0.3-0.75, it offers precision for demanding tasks.
HJ Bit combines quality and cost-effectiveness, providing reliable performance for soft rock drilling applications.
| Parameter | Value |
|---|---|
| IADC Code | 117 |
| Diameter | 7 " (177.8mm) |
| Tooth Type | Milled tooth/Steel tooth |
| Bearing Type | Elastomer sealed bearing |
| Circulation Type | Mud fluid |
| Thread Connection | 3 1/2 API REG PIN |
| Nozzle | Three jet nozzles |
| Gauge Protection | Available |
| Shirttail Protection | Available |
| Operating RPM (r/min) | 180~60 |
| Operating WOB (KN) | 0.3~0.75 |
The Tricone Steel Tooth Bit is built for maximum performance in tough drilling conditions. Featuring a high-precision journal bearing, ball-locked cone, and hardfaced head bearing, it’s engineered to withstand high-speed operations. The friction-reducing alloy lining and silver plating offer exceptional abrasion resistance, ensuring reliability even under demanding conditions. Tungsten carbide inserts in the gauge area reduce wear, enhancing stability and prolonging the bit's lifespan. Premium carbide teeth provide superior resistance to breakage and wear, further extending the cutter’s durability.
Designed with sturdy nozzles, the bit optimizes fluid flow, improving cone cleaning and increasing drilling efficiency. Perfect for high-speed rotary drilling, this bit guarantees longer service life, outstanding wear resistance, and consistent cutter performance, making it a top choice for the toughest drilling environments.
Shallow surface sections of onshore & offshore exploratory wells, development wells, production wells; drill through overburden soil and upper soft sedimentary layers before reservoir sections.
Hole reaming, sidetracking, shallow horizontal well top-hole drilling.
Low-cost alternative for shallow oil/gas projects with soft stratigraphy, superior penetration rate vs TCI bits in sticky clay/shale.
Civil drinking water wells, agricultural irrigation wells, shallow geothermal boreholes.
Perfect for alluvial, clay, soft limestone shallow aquifers; low cost for mass shallow well construction.
Underground coal mine: gas drainage holes, water exploration holes, roof anchor boreholes in coal seams & soft mudstone surrounding rock.
Open-pit mine: shallow blast holes in soft coal, weathered sedimentary rock; cost-effective for high-volume soft rock drilling.
Foundation pile drilling, roadbed exploration boreholes, municipal pipeline pilot holes.
Tunnel preliminary prospecting, soft soil strata geotechnical investigation drilling.
Shallow geotechnical survey, geological exploration boreholes; air rotary drilling for surface soil sampling.
Reverse circulation shallow drilling projects with low abrasion rock.
Custom Solutions: Get designs and specifications tailored precisely to your drilling requirements.
Global Reach: Fast and dependable shipping to any location, ensuring on-time delivery.
Expert Guidance: Receive professional advice on product selection, maintenance, and troubleshooting.
Ongoing Support: Enjoy comprehensive after-sales care, including parts replacement and continuous customer assistance.
What is the IADC code for the 7 '' Tricone Bit?
The IADC 117 code signifies this bit is built for soft rock formations with low compressive strength, making it ideal for a variety of drilling conditions.
What type of bearings are used in the 7 7/8'' Tricone Bit?
Featuring elastomer-sealed bearings, the bit ensures smooth operation and superior lubrication even at high speeds, boosting performance and longevity.
What applications is the 7 '' Tricone Bit suitable for?
Perfect for water well, oil & gas, geothermal drilling, and exploration projects, this bit excels in soft rock formations like clay, chalk, and other similar materials.
