Ama-casing anezindonga ezimbili asetshenziselwa ukusimamisa ama-boreholes ezimweni zenhlabathi ezigoqekayo. I-Casing kanye namajoyinti yakhelwe ukumelana namandla e-rotary drilling-rigs noma ama-casing oscillator.
D (mm)
d (mm)
h (mm)
Ubuningi bamazinyo (mm)
Isisindo
620
540
586
9
280
750
670
10
335
800
720
11
368
880
13
408
900
820
14
419
1000
920
15
468
1180
1100
17
557
1200
1120
18
567
1300
1220
19
615
1500
1420
22
1023
1800
1720
26
1235
2000
1880
30
1796
2500
2380
848
38
2261
I-adaptha yedrayivu ye-casing dlulisa i-torque isuka ku-rotary drive iye phezulu kwentambo ye-casing.
I-Casing Pipe φ(mm)
B (mm)
Ubude H(mm)
620/540
70
1794
679
750/670
759
800/720
816
880/800
870
900/820
894
1000/920
1015
1180/1100
1202
1200/1120
1300/1220
1343
1500/1400
2019
1800/1700
2580
2000/1880
3673
2500/2380
5072
Ububanzi (mm)
Ukuxhumana
Ukuphakama kwebhakede (mm)
Ubukhulu bodonga lwebhakede(mm)
Isisekelo sepuleti ukujiya(mm)
Ubukhulu bepuleti lokusika(mm)
Ubuningi bamazinyo
φ600
I-Bauer
16
40
50
3
790
φ800
5
1020
φ1000
7
1280
φ1200
1680
φ1500
12
2240
φ1800
3015
φ2000
20
3795
φ2200
4850
φ2500
40(uhlobo lwebhokisi)
5960
Izinhlobo ezi-2 zezinhlelo zokuxhuma i-bolt ziyatholakala: uxhumano lwemishini (ama-bolts alungiswa ngesandla), idivayisi yokukhiya okuzenzakalelayo.
Uhlobo
D
B
A
74.5
1
98.5
59
D1/D2 (mm)
H (mm)
b (mm)
n (i-pc)
umgodi (i-pc)
ibhawodi
350
8
233
285
304
333
341
381
438
450
483
480
950
1146
60
1745
2197