China Eccentric Casing System Bit Odex Concentric Casing System Odex 165 Overburden Casing System, Find details about China Overburden System, DTH Casing System from Eccentric Casing System Bit Odex Concentric Casing System Odex 165 Overburden Casing System
Part | Model | ||||
PA90 | PA115 | PA140 | PA165 | PA190 | |
Casing Tube(max.O.D.)(mm) | 115 | 142 | 171 | 195 | 222 |
Casing Tube (min.O.D.) (mm) | 102 | 128 | 155.6 | 182.6 | 205 |
Guide Sleeve | Effective length: 174mm | Effective length: 174mm | Effective length: 205mm | Effective length: 225mm | Effective length: 250mm |
Drill Pipe | Connection Thread: API2 3/8"Reg; O.D.: 76mm; Wrench Flats: 65mm | Connection Thread: API2 3/8"Reg; O.D.: 76mm; Wrench Flats: 65mm | Connection Thread: API2 3/8"Reg O.D.: 89mm Wrench Flats: 65mm | Connection Thread: API3 1/2"Reg O.D.: 114mm Wrench Flats: 95mm | Connection Thread: API3 1/2"Reg O.D.: 114mm Wrench Flats: 95mm |
DTH Hammer | DHD35, COP2, MISSION30 | COP44, DHD340, MISSION40 | DHD55, COP54, MISSION50 | COP64, DHD360, MISSION60 | COP64,DHD360, MISSION60 |
Casing Shoe | L3=90mm L4=55mm D3=101.7mm D4=93mm | L3=76mm L4=55mm D3=127.5mm D4=117mm | L3=90mm L4=63mm D3=155.3mm D4=143mm | L3=95mm L4=55mm D3=181.5mm D4=166mm | L3=110mm L4=70mm D3=204.7mm D4=193mm |
Guide Device | L1=35mm L2=138mm D1=92mm D2=100mm | L1=48mm L2=136mm D1=115mm D2=126mm | L1=55mm L2=160mm D1=141mm D2=154mm | L1=61.5mm L2=181.5mm D1=165mm D2=178mm | L1=62.8mm L2=185mm D1=191mm D2=203mm |
Reamer | D5=91mm L5=70mm Reaming Diameter: 123mm; Reamer has 4*Ф12 buttons | D5=114mm L5=89mm Reaming Diameter: 152mm Reamer has 5*Ф14 buttons | D5=138mm L5=69.5mm Reaming Diameter: 185mm Reamer has 7*Ф14 buttons | D5=164mm L5=79.5mm Reaming Diameter: 211mm Reamer has 7*Ф14 buttons | D5=185.5mm L5=90.2mm Reaming Diameter: 237mm Reamer has 7*Ф16 buttons |
Pilot Bit | D6=90mm L6=59mm Gauge button: 8*Ф12 Front button:6*Ф10 | D6=114mm L6=67mm Gauge button: 8*Ф14 Front button:6*Ф12 | D6=138mm L6=66mm Gauge button: 8*Ф16 Front button:8*Ф14 | D6=165.8mm L6=82.5mm Gauge button: 8*Ф16 Front button:8*Ф16 | D6=190mm L6=82mm Gauge button: 9*Ф18 Front button:9*Ф16 |
A:When drilling starts working,reaming sleeve will open,borehole range will increase,which will casing shoe and casing tube. |
B:When finish drilling in overburden layer,pay attention to reverse circulation,reaming sleeve circles up,eccentric drilling bit lifts out from the borehole. |
C:The casing that can be left in the borehole to prevent borehole from collapsing while pulling out pipe and grouting concrete. |
D:Regular drilling bits can be applied to drill the depth as required in the rock stratum. |
Q1: Can I have a sample for testing?
A:Samples are still to be paid but discounted price can be provided.
Q2: Do you have the inspection procedures?
A:100% strict inspection and testing for every order before packing.
Q3: How can i get the after sale services?
A:Free replacement will provide once the problems casued by our product quality.
Q4: Can I have a visit to your factory before the order?
A: Sure, welcome, here is our address: Yantai, Shandong.