Symmetric & Eccentric Drilling Casing Systems
Product Details
| Customization: | Available |
|---|---|
| Customized: | Customized |
| Length: | Jobber-length |
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Number of Employees
21
Product Certification
CE
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Basic Info.
- Model NO.
- HOD115
- Type
- Center Drill Bit
- Material
- Tungsten Carbide
- Usage
- Well Drilling
- Suitable Hammer Model
- 3"-10" Hammer
- Reamer Diameter
- 118-378mm
- Drill Pipe Size
- 76mm 89mm 114mm
- Model
- Hod90
- Transport Package
- Wooden Box
- Specification
- CE
- Trademark
- BESTLINK
- Origin
- China
- HS Code
- 84314320
- Production Capacity
- 20000sets/Month
Product Description
ODEX ECCENTRIC CASING SYSTEM
In the projects of drilling,drillers often meet with problems due to the loose land formation.These may cause troubles such as difficulty in drilling down,collapse of holes,damage of drilling tools,etc.To solve the problems,the best way is to use (ODEX)Overburden Drilling System which can prevent holes and drilling tools from damage,and support the holes by casing tubes.
General Introduction
HOD90 HOD115 HOD140 Overburden casing system,ODEX system, Casing drilling system,eccentric casing system
1.drill in overburden unstable rock
2.one step to drill and follow casing
3.flexible to open or close
4.effecient below 300mm
Design Principles:
Make the casing follow easy and the equipment and operation simple
Outstanding Advantages
Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.
Raw Material
Steel:
first class special alloy steel with high strength, heat resistance and wearable
Carbide
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.
Eccentric Reamer System Step-by-step
1. When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly.
2. When the required depth is reached, rotation is reversed carefully, whereupon the reamer swings in , allowing the drill bit assembly to be pulled up through the casing.
3. Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hole by means of cement grout or some other sealing agent.
4. Drilling continues to the desired depth in the bedrock using a conventional drill string.
In the projects of drilling,drillers often meet with problems due to the loose land formation.These may cause troubles such as difficulty in drilling down,collapse of holes,damage of drilling tools,etc.To solve the problems,the best way is to use (ODEX)Overburden Drilling System which can prevent holes and drilling tools from damage,and support the holes by casing tubes.
General Introduction
HOD90 HOD115 HOD140 Overburden casing system,ODEX system, Casing drilling system,eccentric casing system
1.drill in overburden unstable rock
2.one step to drill and follow casing
3.flexible to open or close
4.effecient below 300mm
Design Principles:
Make the casing follow easy and the equipment and operation simple
Outstanding Advantages
Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.
Raw Material
Steel:
first class special alloy steel with high strength, heat resistance and wearable
Carbide
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.
Eccentric Reamer System Step-by-step
1. When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly.
2. When the required depth is reached, rotation is reversed carefully, whereupon the reamer swings in , allowing the drill bit assembly to be pulled up through the casing.
3. Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hole by means of cement grout or some other sealing agent.
4. Drilling continues to the desired depth in the bedrock using a conventional drill string.
| Type | 1.Casing tube | 2.Drill pipe | 3.Guide sleeve | 4.DTH hammer | 5.Casing shoe | 6.Guide device | 7.Reamer | 8.Pilot bit |
| HOD90 | Maximum OD:115mm Minimum ID:102mm | connection thread:API 2 3/8"REG OD:76mm wrech flats:65mm | Effective length: 174mm | HD35,COP32, IR3.5,QL30 | L3=90mm,L4=55mm, D3=101mm,D4=93mm | L1=35mm,L2=138mm, D1=92mm,D4=100mm | D5=91mm,L5=70mm, reaming diameter=123mm, reamer has4*Φ12buttons | D6=90mm,L6=59mm, gauge button=8*Φ12mm, face button:6*Φ10mm |
| HOD115 | Maximum OD:142mm Minimum ID:128mm | connection thread:API 2 3/8"REG OD:76mm wrech flats:65mm | Effective length: 174mm | HD45,COP44, SD4,DHD340A,QL40,HM4 | L3=76mm,L4=55mm, D3=127.5mm,D4=117mm | L1=48mm,L2=136mm, D1=115mm,D4=126mm | D5=114mm,L5=89mm, reaming diameter=152mm, reamer has5*Φ14buttons | D6=114mm,L6=67mm, gauge button=8*Φ14mm, face button:6*Φ13mm |
| HOD140 | Maximum OD:171mm Minimum ID:155.6mm | connection thread:API 2 3/8"REG OD:89mm wrech flats:65mm | Effective length: 205mm | HD55,COP54, SD5,DHD350R,QL50 | L3=90mm,L4=63mm, D3=155.3mm,D4=143mm | L1=55mm,L2=160mm, D1=141mm,D4=154mm | D5=138mm,L5=69.5mm, reaming diameter=185mm, reamer has7*Φ14buttons | D6=138mm,L6=66.5mm, gauge button=8*Φ16mm, face button:8*Φ14mm |
| HOD165 | Maximum OD:195mm Minimum ID:182.6mm | connection thread:API 3 1/2"REG OD:114mm wrech flats:95mm | Effective length: 225mm | HD65,COP64, SD6,DHD360, QL60 | L3=95mm,L4=55mm, D3=181.5mm,D4=166mm | L1=61.5mm,L2=181.5mm, D1=165mm,D4=178mm | D5=164mm,L5=79.5mm, reaming diameter=211mm, reamer has7*Φ14buttons | D6=165mm,L6=82.5mm, gauge button=8*Φ16mm, face button:8*Φ16mm |
| HOD190 | Maximum OD:222mm Minimum ID:205mm | connection thread:API 3 1/2"REG OD:114mm wrech flats:95mm | Effective length: 285mm | HD65,COP64, SD6,DHD360, QL60 | L3=110mm,L4=70mm, D3=204.5mm,D4=193mm | L1=62.5mm,L2=184.5mm,D1=191mm,D4=203mm | D5=185.5mm,L5=90.2mm, reaming diameter=237mm, reamer has7*Φ16buttons | D6=190mm,L6=82mm, gauge button=9*Φ18mm, face button:9*Φ16mm |
| HOD240 | Maximum OD:273mm Minimum ID:260.4mm | connection thread:API 3 1/2"REG OD:114mm wrech flats:95mm | Effective length: 343mm | HD85,COP84, SD8,DHD380, QL80 | L3=110mm,L4=65mm, D3=259mm,D4=241mm | L1=70mm,L2=190mm, D1=240mm,D4=256mm | D5=238mm,L5=100mm, reaming diameter=308mm, reamer has14*Φ16buttons | D6=240mm,L6=89.5mm, gauge button=12*Φ16mm, face button:18*Φ16mm |
| HOD280 | Maximum OD:324mm Minimum ID:305mm | connection thread:API 4 1/2"REG OD:114mm wrech flats:95mm | Effective length: 305mm | SD10,NUMA100 | L3=125mm,L4=75mm, D3=304mm,D4=281mm | L1=97mm,L2=254mm, D1 |
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