zdy6000ld(b) directional drill rig...the rigs is designed to drill in-seam in excess of 1000m with...
TRANSCRIPT
CCTEG
CCTEG-Xian Technology Communication
ZDY6000LD(B) Directional
Drill Rig
Xian Research Institute of China Coal Technology & Engineering Group
CCTEG
1. Introduction
2. Technical Features
3. Specification
4. Applications
ZDY6000LD(A) Directional Drill Rig
ZDY6000LD(B) Directional Drill Rig
CCTEG
1. Introduction
Specifically designed to drill especially long
directional drilling boreholes in explosive
underground environments
The rig has a compact footprint
mounted on tracks, and is integrated
with certified flameproof electrics
and flameproof laptop
The rigs is designed to drill in-seam in
excess of 1000m with downhole motor,
directional drilling management system,
CHD drill rods and PDC drill bits
ZDY6000LD(B)
Directional Drill Rig
CCTEG2. Technical Features
Frameproof laptop, Directional Drilling
Management System(DDMS)Stingers That Enable
Operation In 2–5m Seams
Tracked tram up to 2km/h
for easy and independent
rig moves and setup
Rotary torque up to 6000 Nm
CCTEG2. Technical Features
Dual cylinder feed frame for high
push/pull and fast feed
Feed-frame tilt angle can be adjusted
flexibly between -30 degree to +30 degree
CCTEG
Drill rig
Applicative drill rod 73mm/89mm
Weight 10,000kg
Power 75kW
Dimension(L×W×H)mm 3700×1450×2000
3. Specification
Feed System
Type Twin cylinder
Feed stroke 1000mm
Max push force 230kN
Max pull force 210kW
Feed-frame tilt angle -30~30 degrees
CCTEG
3. Specification
Rotation Unit
Rated torque 6000Nm
Rated speed 50~190r/min
Hydraulic System
Type Load sensitive
Manufacturer Rexroth / Parker
Hydraulic pressureMain pump, 26MP
Auxiliary pump Ⅰ, 21MP
DisplacementMain pump, 0~100ml/r
Auxiliary pump Ⅰ, 0~20ml/r
Hydraulic tank 300L
CCTEG
Borehole trajectory (profile view)Borehole trajectory (plan view)
A single hole with 77 sidetracks was accomplished in coal seam. Maximum of depth
of the borehole is 834m. The average drill efficiency reached 247 m/d. One single
borehole can cover the whole areas which reduced gas drainage cost significantly
4. Application
Multi-sidetracks in-seam directional drilling for gas drainage
CCTEG
Zhuxianzhuang Coal Mine
3 “Comb” like directional boreholes have been conducted in
Zhuxianzhuang Coal Mine 10715 working face, during experiment process.
Borehole 1#: max depth 603m,8 sidetracks.
Borehole 2#: max depth 603m,9 sidetracks.
Borehole 3#: max depth 570m,4sidetracks.
4. Application
Borehole trajectory of 2# directional borehole in 16141 workface
(max depth 510m,7 sidetracks,848m footage)
CCTEG
Borehole trajectory of 2# directional borehole in 16141 workface
(max depth 510m,7 sidetracks,848m footage)
4. Application
3 “Comb” like directional
boreholes have been accomplished
in Jiulishan Coal Mine 16141
working face, Jiaozuo Coal
Mining Group.
Borehole 1#: max depth 510m,11
sidetracks.
Borehole 2#: max depth 510m,7
sidetracks.
Borehole 3#: max depth 564m,7
sidetracks.
Jiulishan Coal Mine
CCTEG
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