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HDD Hole Opener

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ZLCONN HDD Hole Opener 

Replaceable teeth wheel rock reamer suitable for large rigs trenchless pipe laying large diameter trenchless construction by HDD Machine, suitable for a variety of rock formations, reaming diameter range up Φ300-2200mm
Wheel body and the body connection reliable, easy disassembly, does not require large-scale special hydraulic equipment, artificial wrench can be convenient to replace the wheel body.
The same body can be reused, you can also install different specifications of the wheel, under normal circumstances can be replaced four different size of the wheel body, which can be carried out with a body of four sizes aperture hole construction, greatly saving construction costs.

The Advantage of Rock Reamer & Hole Opener

  • As rock reamer manufacturer,the hole opener produced by ZLCONN is a low-torque reamer that can be reamed with a small rig to reduce drilling costs.
  • The cone unit on the ZLCONN hole opener also can be replaced, and a set of bodies can be used multiple times, saving engineering costs for customers.
  • The production of large-size tricone bit or multi-cone drill bits is not only difficult to process but also extremely costly. 
  • The use of ZLCONN rock reamer can solve these problems, and manufacturers can produce various sizes of hole openers according to customer requirements.

We are one of the biggest Rock reamer manufacturing companies in Asia, and is qualifed as suppler for CNPC, Sinopec and CNOOC.

ZLCONN HDD Hole Opener Options

IADCRock formationWOB (KN/mm)PRM(r/min)
 

415/425/435

Low compressive strength, high drill-ability and extremely soft formation, like shale, clay, sandstone, conglomerate etc 

0.35~0.90

 

140~70

 

447

Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, plaster etc. 

0.35~1.00

 

140~60

 

517

Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, etc 

0.35~1.05

 

120~50

 

527

Soft formation with low compressive, like Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, anhydrite etc. 

0.35~1.05

 

120~50

 

537/547

Low compressive strength, medium hard formation with hard abrasive interlayer, like Hard shale, anhydrite, soft limestone, sandstone, dolomite with mezzanine, etc. 

0.50~1.05

 

110~40

 

617/627

High compressive strength, medium hard and thick hard interlayer, like hard shale, limestone, sandstone, dolomite, etc. 

0.50~1.05

 

80~40

 

637/647

High compressive strength, medium hard and high abrasive formation, like limestone, dolomite, sandstone, chert, etc. 

0.7~1.20

 

70~40

ZLCONN Advantages:

1.Advanced technology&Equipment, International standard.

2.R&D center for rock drilling tools, high precision CNC machines, API&ISO Certified.

3.10+ Years & 35 Countries service experience.

4.Optimized solutions for various of requirement.

ZLCONN Services

1. We supply good quality goods at competitive price.
2. We not only have our own design but also accept customization.
3. Fast and on time delivery.
4. Every bit has it’s quality assurance.
5. Contact us anytime if you have any question with bits.
6. 24 hours on time reply.

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