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Roller Reamer // Outer Diameter 155 mm Inner Diameter 25.4 mm Connectors NC38 Hole Size 6 1/8"

Supplier Tianhe Oil Group

Outer Diameter

Inner Diameter


Hole Size

Product Technical Configuration

Outer Diameter 155 mm
Inner Diameter 25.4 mm
Connectors NC38
Hole Size 6 1/8"

Product country of origin: China

Location of the product: China

Available:  For Sale

Supplier reference: W1104100

Original manufacturer: Tianhe Oil Group

Finalized quotes will be sent directly to the supplier


WG Type Roller Reamer is divided into string type and bit type, which is designed for reaming and stabilization in any type of formation.

Rollers are B-type for Hard Formations, T-type for Soft Formations and F-type for Medium to Hard Formations.


Tianhe Oil Group Co. Ltd. is a global group. We are specialized in the production of drilling tools, including R&D, production, selling, leasing, maintenance and services. Tianhe has 5 main businesses spread across the globe in more than 50 countries in the world.

Tianhe Oil Group management prioritize its people, technology, continuous improvement and building brand awareness. Our mission is to continuously strive innovation and improvement and expand our business in the oilfield. We increased the investment in technology research and development, always looking to provide our global customers with the best technical products and services.

Tianhe Oil Group strongly believes and promotes Total Quality Management, implements the ISO quality management system, HSE management system and API standards. Our manufacturing facilities are well equipped with four automated induction heat treatment lines and dozens of other types of heat treatment ovens and well furnaces (Box type, well type, carburizing heat treatment furnace) to ensure full coverage of heat treatment required by the different products.

So far, Tianhe Oil Group has established strong business relationships with over 200 international oil & gas companies in supporting the top 50 oil producing countries. For example, we have partnered with Schlumberger, Halliburton, Baker Hughes, Weatherford, Shell, NOV, etc.

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Related Product Variants

Product Name Outer Diameter Inner Diameter Connectors Hole Size
Roller Reamer 155 mm 25.4 mm NC38 6 1/8"
Roller Reamer 200 mm 38 mm NC46 7 7/8"
Roller Reamer 212 mm 44 mm NC50 8 3/8"
Roller Reamer 215 mm 44 mm NC50 8 1/2"
Roller Reamer 244 mm 57 mm NC50 9 5/8"
Roller Reamer 311 mm 71 mm 6 5/8 REG 12 1/4"
Roller Reamer 444 mm 76 mm 7 5/8 REG 17 1/2"
Roller Reamer 558 mm 76 mm 7 5/8 REG 22"
Roller Reamer 660 mm 76 mm 7 5/8 REG 26"
Roller Reamer 711 mm 76 mm 7 5/8 REG 28"
Roller Reamer 914 mm 76 mm 7 5/8 REG 36"

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