Hebei Qianxi Gold Mine Drilling
Release time:
2024-08-26
| Geological Design |
Drilling depth 1200 m, large angle inclined hole, inclination angle 58 ° |
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| Overview of final hole |
The final hole depth is 1020 m, the hole diameter is 96mm, the core diameter is 63.5mm, the vertex angle is 53 °, and the azimuth angle is 125 °. |
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| Main equipment |
YN-1500 full hydraulic drilling rig |
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| Formation information |
Stratum 0-20m belongs to overburden: stratum 20-1200m is relatively complete with broken structure in the middle. Soft and hard alternate, broken, easy to run oblique |
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| Drilling process scheme |
Drilling tool configuration |
Process technology point |
|
| open |
Opening: single pipe drilling 10m to bedrock |
SC drill pipe φ147 bit |
Ensure the drilling accuracy and guide the drilling tool at the next level. |
| Orifice pipe: depth 10m |
SC drill pipe as orifice pipe |
Ensure casing running accuracy |
|
| Second opening |
The rope is drilled to a hole depth of 70m. |
PC drill pipe PC drill tool PC adaptive drill bit |
Ensure casing running accuracy |
| Casing: casing depth 70m |
PC Drill Pipe PC Drill Pipe Boots |
|
|
| Three open |
The rope is drilled to a final hole depth of about 1200 meters. |
HY drill pipe HC centralizer |
① Drill overhang deviation, J top pressure drilling, adjust the drilling angle |
| HC adaptive bit guided drilling |
② Renge the drilling tool to prevent the drilling from running off. | ||
| Drilling tool material details |
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| Serial Number |
Name |
Specifications and models |
Quantity |
Unit |
| 1 |
3 m rope drill pipe |
RC-SC-3000 |
5 |
Root |
| 2 |
3 m rope drill pipe |
RC-PC-3000 |
25 |
Root |
| 3 |
3 m rope drill pipe |
RC-HY-3000 |
400 |
Root |
| 4 |
wireline coring tool |
SZJ-PC-3000 |
1 |
Sleeve |
| 5 |
wireline coring tool |
SZJ-HC-3000 |
2 |
Sleeve |
| 6 |
Sold |
DLQ-PC |
1 |
Sleeve |
| 7 |
Sold |
DLQ-HC |
1 |
Sleeve |
| 8 |
diamond drill bit |
BIT-PC |
3 |
One |
| 9 |
Reamer |
SHELL-PC |
3 |
One |
| 10 |
diamond drill rod boots |
PC |
1 |
One |
| 11 |
diamond drill bit |
BIT-HIC |
4 |
One |
| 12 |
Reamer |
SHELL.-HC |
4 |
One |
| Accessory Tool Details |
|||||
| Serial Number |
Name |
Specifications and models |
Quantity |
Unit |
Remarks |
| 1 |
Faucet |
JS25K |
1 |
Sleeve |
|
| 2 |
lifter |
TYHC |
1 |
Sleeve |
|
| 3 |
drill pipe free tong |
140 |
2 |
Put |
|
| 4 |
drill pipe free tong |
114 |
2 |
Put |
|
| 5 |
drill pipe free tong |
89 |
2 |
Put |
|
| 6 |
inner tube free clamp |
95 |
2 |
Put |
|
| 7 |
inner tube free clamp |
73 |
2 |
Put |
|
| 8 |
Tap |
H |
2 |
One |
|
| 9 |
Tap |
p |
2 |
One |
|
| 10 |
Refundable salvage spear |
H |
1 |
Sleeve |
|
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