Hole Openers

1.Size:2 7/8" (70.0mm)~26" (660.4mm) 
2. Price : from $1000-$10000, as the size and IADC code you need 
3.Cover all all IADC code 
4.Reliable quality and best price
5.tungsten carbide insert tricone bit 
6.certified by ISO,API
7.high efficiency
8.Condition: 100% new bit 

Horizontal Hole Openers, also known as HDD Reamers, are used to enlarge the pilot hole in
Horizontal Directional Drilling(HDD) - HDD is used when trenching and excavating is not practical.
This drilling technology allows for a steerable trenchless way to drill underground.
There are three stages:
1>the first stage is to drill a small diameter pilot hole.
2>The second stage is enlarge the hole with a larger diameter cutting tool called an HDD Reamer,
Rock Reamer or Hole Opener.
3>The third stage is inserting the casing pipe or other product into the enlarged hole
All sizes and IADC codes of drill bits are available.
Special requirements of different models can be customized.
1.Features of hole opener bits
Hole Openers are used to enlarge the diameter of a pre-drilled hole. They are custom built to specification, and come in a wide variety of sizes. A Hole Opener is sometimes referred to as a Reamer. 
2.Advantages of  hole opener bits
  Directional crossing operation is widely used in unexcavated project. Three steps in such operation are: 1, oriented hole operation; 2, hole opening; 3, pipe pulling. Hole opening is the most onerous task in this operation, but, the key for hole opening operation is the hole opener choosing according to the operation equipment and formation. 
1.Hole opener rock bit 
2.fully heat-treated alloy steel. 
3.With cutters for Soft,Medium Hard format 
It is suitable for the large size well, mining and infrastructure applications.

                                      Bit Type
In. mm
28 711.2 117, 127, 517, 537, 617, 637
32 812.8 117, 127, 517, 537, 617, 637
38 914.4 117, 127, 517, 537, 617, 637


Applicable Formations
114/116/117 0.3~0.75 180~60 Very soft formations with low compressive strength and high drillability
124/126/127 0.3~0.85 180~60 Soft formations with low compressive strength and high drillability,
134/135/136/137  0.3~0.95 150~60 Soft to medium formations with low compressive strength and high drillability
214/215/216/217 0.35~0.95 150~60 Medium formations with high compress strength
227   0.35~0.95 150~50 Medium hard formations with high compressive strength
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.

4.Hole opener
1>    newest TCI tricone bit
2>    API kingdream bit, type: Milled tooth&TCI tricone bits
3>    a large stock
4>    High temperature and wear resistance, fast drilling rate
5>    high penetrating power and durability stuiable for different rock formation, reliable bearing system
6>    IADC code suitable for different formation
7>    Sizes range from 3 7/8" to 26".
8>    Best prices and great quality
9>    top quality products and excenllent service
10> about 30 years experience in tricone bits
11> used for water well, mining and oilfield drilling

Tricone Bit,PDC bit,Scraper bit,Diamond Core Bit,Hole Openers,Manual Tongs,Elevator,Slips,Safety Joint,Fishing Spear,Stabilizer,Centralizer,Taper Tap Box Tap,Bushing,Fishing Socket,fishing basket

Hebei Goldman Petroleum Drilling Engineering Co., Ltd.


Tel: 86-18330763536
QQ: 245874492
Address:Junziguan Zone,Hejian City,Hebei Province,China

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