Eccentric Overburden Casing Drilling Syestem for Water Well, Geothermal Well

• Customization: Available
• Customized: Non-Customized
• Standard: API
• Model NO.: Odex140 Casing Drilling Syestem
• Length: Casing System
• Type: Casing System
• Usage: Well Drilling
• Color: Yellow
• Function: New
• Transport Package: Pallet
• Specification: ODEX90-280
• Trademark: BESTLINK
• Origin: China
• HS Code: 82071990
• Production Capacity: 5000000PCS Per Year

Product Description

Eccentric Overburden Casing Drilling Syestem for Water Well, Geothermal Well

Eccentric Casing system is suitable for drilling water wells, geothermal wells, short mircopiles,medium mini-type grouting hole of building,damand harbour project.
- Rapid removal of cuttings; High penetration rate, especially in resistant rock formation;
- Easy soil and groundwater sampling during drilling;
- Possible to measure yield estimate at selected depth in the formation;
- Advantageous in unconsolidated formations with a high risk of caving 

Casing drilling involves drilling and casing a well simultaneously through unstable ground conditions, In casing drilling process, down the hole tools can be retrieved, through the casing on wire-line, meaning tool recovery or replacement of tools
can take minutes versus hours under conventional methods. This process employs wire line-retrievable tools and a drill-lock assembly, permitting bit and BHA changes, coring, electrical logging and even directional or horizontal drilling. Once the casing point is reached, the casing is
cemented in place without tripping pipe.
 
Casing drilling has been employed in many countries as an effective method of reducing the overall drilling costs by reducing drilling time and drill string problems
encountered during conventional drilling process.
 
Applications:
Blast holes
Water supply wells
Bridge and building foundations
Standard slant or horizontal drilling
Mining air holes
Environmental monitoring wells
Grouting operations
Seismic shot holes
Soil sample and geotechnical applications
Ground anomaly and tiebacks
Storage caverns and dam
 
Technical Data: 

Model	Outer Dia. of Casing Tube (mm)	Inner Dia. of Casing Tube(mm)	Wall thickness of casing (mm)	Reamed Dia. (mm)	Min. Inner Dia.of Casing Shoe (mm)	Hammer Type	Drill Pipes (mm)	Weight (kg)
ODEX for DTH Drilling
ODEX90	115	102	6.5	125	92	COP32/COP34/DHD3.5/BR3/MACH303	76	12.5
ODEX115	140	128	6	157	117	COP44/DHD340/MACH44/MISSION40 /SD4/XL4/QL40	76/89	22
ODEX140	168	157	5.5	182	142	COP54/DHD350/MACH50/MISSION50/SD5/QL50	89	38
ODEX165	194	183	5.5	206	166	COP62/COP64/DHD360/MISSION60 /SD6/XL6/QL60/TD150	114	61.5
ODEX190	222	205	8.5	234	191		114	83
ODEX240	273	260	6.5	305	241		114	136.5
ODEX280	323	297.6	12.7	338	281	SD10/NUMA100/TH10	114	184