| Nov. 11 |
Nov. 12 |
Nov. 13 |
Nov. 14 |
Nov. 15 |
Nov. 16 |
Nov. 17 |
|
| Epth of
previous day (m) |
824.0 |
||||||
| Drilled
depth (m) |
|||||||
| Wgt On
Bit/table rev (t/rpm) |
|||||||
| Hole diameter
(inch) |
8-1/2 |
||||||
| Mud s.g./viscosity |
|||||||
| In/Out
mud temperature (°C) |
|||||||
| Mud loss
(kl/h) |
|||||||
| Remarks |
Start of
VSP, breakage of pit for air-gun after about 100 shots, stop VSP, and recovry
of VSP sonde, followed by disassemble of Top Drive System. Training course of ICDP started at Shimabara this day. |
| Nov. 4 |
Nov. 5 |
Nov. 6 |
Nov. 7 |
Nov. 8 |
Nov. 9 |
Nov. 10 |
|
| Depth
of previous day |
824.0 |
824.0 |
824.0 |
824.0 |
824.0 |
824.0 |
824.0 |
| Drilled
depth (m) |
|||||||
| Wgt On
Bit/table rev (t/rpm) |
|||||||
| Hole diameter
(inch) |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
8-1/2 |
8-1/2 |
| Mud s.g./viscosity |
|||||||
| In/Out
mud temp (°C) |
|||||||
| Mud loss
(kl/h) |
100 |
92 |
|||||
| Remarks |
Large
loads around 400, 650, 667, and 688 m depth during trip, measures for lost
circulation |
Disassemble
of EM-MWD, reaming, cleaning, senidng sweep mud |
Preparation
of logging and casing, FMI-HRLA-GR, DSI-LDT-GR logging |
DSI-LDT-GR
logging down to 650 m, stabilizer reaming, spot sweeping with dense mud,
insertion of casing (9-5/8 inch) |
Insertion
of casing (9-5/8 inch)
down to 795 m, casing and top-job cementing |
Top-job
cementing, 8-1-4 drill collar, cement reaming |
Cement
reaming, cleaning, preparation of VSP |
| Oct.
28 |
Oct.
29 |
Oct.
30 |
Oct.
31 |
Nov.
1 |
Nov.
2 |
Nov.
3 |
|
| Depth
of previous day |
727.0 |
774.5 |
793.0 |
824.0 |
824.0 |
824.0 |
824.0 |
| Drilled
depth (m) |
774.5 |
793.0 |
824.0 |
||||
| Wgt
On Bit/table rev (t/rpm) |
5-7,
-10/slide, 35 |
5-8/slide,
35 |
7-9,
5-7/slide, 35 |
||||
| Hole
diameter (inch) |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
| Mud
s.g./viscosity |
1.02/30,
29 |
1.03/31 |
1.03/49,
1.03/46 |
||||
| In/Out
mud temp (°C) |
16/18 |
16/20 |
16/18 |
||||
| Mud
loss (kl/h) |
24,
39-14 |
20-21,
37 |
3. total
(>138) |
total |
total
- 75, total-55 |
51-100,
100-110 |
100 |
| Remarks |
65.04°
- S5.6°W at 717 m, 66.82° - S6.32°E at 735 m. DHM+MWD drilling, sending sweep mud, cleaning |
72.34°
- S4°W at 773 m. DHM+MWD drilling, sending sweep mud, cleaning |
73.4°
- S4.4°W at 778 m. DHM+MWD drilling, sending sweep mud, cleaning + measurement for total loss |
75.0°
- S1.5°W at 764 m, measures for total loss |
Cleaning,
no mud return, load at 737, 770, and 824 m. |
Load
at 726 m. Cleaning of well. |
Bit
w/stabilizer, load at 398, 650, 667, 688 m, cleaning, sending dense mud,
measures for lost circulation |
| Oct.
21 |
Oct.
22 |
Oct.
23 |
Oct.
24 |
Oct.
25 |
Oct.
26 |
Oct.
27 |
|
| Depth
of previous day |
438.7 |
489.5 |
522.3 |
555.0 |
606.0 |
615.0 |
661.0 |
| Drilled
depth (m) |
489.5 |
522.3 |
555.0 |
606.0 |
615.0 |
661.0 |
727.0 |
| Wgt
On Bit/table rev (t/rpm) |
5/slide
40, 4-8/slide, 35-40 |
5-7,
3-5/slide, 35 |
5-8/slide,
35 |
3-6/slide,
35 |
3-4/slide,
35 |
4-5,
3-5/slide ,35 |
5-6,
-7/slide, 35 |
| Hole
diameter (inch) |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
| Mud
s.g./viscosity |
1.03/40,
1.06/45 |
1.02-1.01/27-28 |
1.02/28 |
1.01/28 |
1.01/28 |
1.02/30,
34 |
1.02/30,
31 |
| In/Out
mud temp (°C) |
22/24,
30/30 |
18/18 |
20/20,
18/18 |
18/18 |
14/17,
17/20 |
14/18,
16/18 |
|
| Mud
loss (kl/h) |
0
to all (>120) |
Total
(aerated), 11-24 (aerated) |
20-53,
13-24 |
13-30,
23-24 |
24 |
10-15,
15-23 |
21-28,
21-22 |
| Remarks |
28.78°
- S14.3°W at 411 m, 29.25° - S15.45°W at 417 m, 32.40° - S12.8°W at 436
m, 34.25° - S11.3°W at 453 m, 34.88° - S10.8°W at 461 m. DHM + MWD drilling, cleaning, sending sweep mud |
35.54°
- S8°W at 472 m, 36.87° - S6.1°W at 490m. DHM + MWD drilling, cleaning |
37.63°
- S4.3°W at 501 m, 38.61° - S3°W at 509 m, 40.92° - S0.58°E at 528 m.
DHM + MWD drilling, sending sweep mud, cleaning |
45.27°
- S3.5°E at 551 m, 46.14° - S2.4°E at 558 m, 48.2° - S2.3°E at 576 m, DHM+MWD
drilling, sending sweep mud, cleaning, |
Bit
check, water level check, reaming, DHM+MWD drilling |
48.83°
- S2.9°E at 583 m, 51.93° S2.46°E at 601 m, 53.4° -S1.66E at 620 m. DHM+MWD drilling, sending sweep mud, cleaning, reaming |
54.75°
- S0.2°W at 638 m, 56.27° - S0.2°E at 659 m. 60.2° - S1.6°W at 679 m, 63.8
- S3.8°W at 698 m. DHM+MWD drilling, sending sweep mud, cleaning |
| Oct. 14 |
Oct. 15 |
Oct. 16 |
Oct. 17 |
Oct. 18 |
Oct. 19 |
Oct. 20 |
|
| Depth of previous day |
395.5 |
395.5 |
395.5 |
395.5 |
395.5 (17-7/16) |
367.0 |
400.8 |
| Drilled depth (m) |
367 (reaming) |
400.8 |
438.7 |
||||
| Wgt On Bit/table rev (t/rpm) |
4-5/45 |
5-8/20-45, 3-4/DHM |
4-5, 3-5/slide-35 |
||||
| Hole diameter (inch) |
12-1/4 |
12-1/4 |
12-1/4 |
||||
| Mud s.g./viscosity |
1.02-1.03/28-31 |
||||||
| In/Out mud temp (°C) |
24/25, 23/23 |
||||||
| Mud loss (kl/h) |
0 |
0 |
|||||
| Remarks |
top-job cementing, disassembalge
of entrance instrument |
Assemle of BOP, preparation of top-drive-system |
Installation of BOP, preparation
of top-drive-system. |
Installation of top-drive-system
(TDS) |
Installation of TDS, cement reaming |
Cement reaming, cleaning, |
Cement reaming, DHM drilling, sending
sweep mud, cleaning, DHM+MWD drilling |
| Oct. 7 |
Oct. 8 |
Oct. 9 |
Oct. 10 |
Oct. 11 |
Oct. 12 |
Oct. 13 |
|
| Depth of previous day |
335.4 |
374.0 |
400.00 |
287.0 |
325.5 |
378.0 |
395.5 |
| Drilled depth (m) |
374.0 |
400.00 |
411.4 (12-1/4), 287.0 (17-7/16) |
352.5 |
378.0 |
395.5 |
|
| Wgt On Bit/table rev (t/rpm) |
2-3/, 4-5/ |
2-3/, 4-5/ |
4-5, 4-5/20-30 |
4-5/20-30 |
4-5/20-30 |
4-5/20-30 |
|
| Hole diameter (inch) |
12-1/4 |
12-1/4 |
17-7/16 |
17-7/16 |
17-7/16 |
17-7/6 |
|
| Mud s.g./viscosity |
1.01/27 |
1.01/27 |
|||||
| In/Out mud temp (°C) |
|||||||
| Mud loss (kl/h) |
Total (aerated) |
Total (aerated) |
Total, 46-50 (aerated) |
35-50 (aerated) |
42 (aerated) |
42 (aerated) |
|
| Remarks |
Reference (16°30' - S27°W at 330
m, 18° - S26°W at 340 m), DHM drilling, cleaning, sending sweep mud |
Reference (20°10' - S17°W at 358
m, 22°30' - S15° at 377 m), cleaning, DHM drilling, senidng sweep mud |
Reference (23°50' - S12°W), DHM (400-411.4), sweep mud, Hole widening drilling (259.2-287), AOG excursion |
Hole widedning, cleaning, sending
sweep mud |
Hole widening, cleaning, sending
sweep mud |
12° - S36°W at 296 m, 16° - S29°W
at 323 m, 20° - S20°W at 351 m, 23° - S14°W at 379 m, hole widening, cleaning,
sending sweep mud |
4° - S35°W at 240m, 7° - S40°W.
Insertion of casing 13-3/8" down to 392 m, casing cementing, |
| Sept. 30 |
Oct. 1 |
Oct. 2 |
Oct. 3 |
Oct. 4 |
Oct. 5 |
Oct. 6 |
|
| Depth of previous day |
283.5 |
340.3 |
384.0 |
418.0 |
423.4 |
423.4 |
291.0 |
| Drilled depth (m) |
340.3 |
384.0 |
418.0 |
423.4 |
291.0 |
335.4 |
|
| Wgt On Bit/table rev (t/rpm) |
5-6/20-30 |
5-6/20-30 |
5-6/20-30 |
5-6/20-30 |
1-3/, 0-0.5/ |
3-5/ |
|
| Hole diameter (inch) |
17-3/8 |
17-3/8 |
17-3/8 |
17-3/8 |
17-3/8 |
12-1/4 |
12-1/4 |
| Mud s.g./viscosity |
1.01-1.02/26-27 |
1.01/26 |
/26-27 |
1.01-1.02/27 |
|||
| In/Out mud temp (°C) |
|||||||
| Mud loss (kl/h) |
17-22 (aerated) |
18-22 (aerated) |
34-35 (aerated) |
34-35 (aerated) |
Total (aerated) |
||
| Remarks |
Orientation: 14°55' - S17°W at 295
m Hole widening |
Orientation:24° - S6°W at 350 m
Hole widening |
Hole widening |
Widening down to 423 m, cleaning,
reaming but failed to go through a hard layer at 259 m. |
Reference (4°20' - S45°W at 232 m,
4° - S50°W at 247 m), Reaming by DHM |
Reference (5°10' - S37°W at 257 m,
7°- S40W at 266 m), Reaming by DHM, cleaning, DHM drilling |
Reference (9°40' - S37°W at 284 m,
13°30'- S25°W at 312 m), DHM, cleaning, senidng sweep mud |
| Sept. 23 |
Sept. 24 |
Sept. 25 |
Sept. 26 |
Sept. 27 |
Sept. 28 |
Sept. 29 |
|
| Depth of previous day |
402.5 |
431.0 |
465.0 |
176.3 |
261.0 |
262.9 |
262.9 |
| Drilled depth (m) |
431.0 |
465.0 |
176.3 |
261.0 |
262.9 |
283.0 |
|
| Wgt On Bit/table rev (t/rpm) |
4/DHM |
3-4/DHM |
2/30 |
0-5/45-50 |
6-7/20-30 |
5-6/20-30 |
|
| Hole diameter (inch) |
12-1/4 |
12-1/4 |
17-3/8 |
17-3/8 |
17-3/8 |
17-3/8 |
17-3/8 |
| Mud s.g./viscosity |
pure water |
pure water |
pure water |
pure water |
pure water |
pure water |
pure water |
| In/Out mud temp (°C) |
12/ |
18/ |
|||||
| Mud loss (kl/h) |
total (>77-84, aerated) |
total (>77, aerated) |
45 (aerated) |
23-30 (aerated) |
54, 20-22 (aerated) |
sometimes aerated |
sometimes, aerated |
| Remarks |
Reference orientation; 30°50' -
S2°W at 395m and 33° - S2°W at 414m. DHM drilling, cleaning, sending sweep mud. The frist logging (down to about 450 m) is scheduled in the night of 23 Sept. |
Reference orientation; 35°30' -
S4°W at 432m, 38°20' - S4°W at 450m. DHM drilling, cleaning, sending sweep mud. Logging began in the morning and ended in the late afternoon. |
Logging (SP, GR, HRLA, BHC, FMI) down
to 463 m. |
Orientation: 5° - S43°W at 248m. Hole widening of 180-261 m. |
Hole widening |
Hole widening |
| Sept. 16 |
Sept. 17 |
Sept. 18 |
Sept. 19 |
Sept. 20 |
Sept. 21 |
Sept. 22 |
|
|
Depth of previous day |
208.6 |
208.6 |
212.6 |
268.0 |
309.2 |
345.9 |
382.9 |
|
Drilled depth (m) |
212.6 |
268.0 |
309.2 |
345.9 |
382.9 |
402.5 |
|
|
Wgt On Bit/table rev (t/rpm) |
2-3/DHM |
3-5/DHM |
3-5/DHM |
3-4/DHM |
4-5/DHM |
4/DHM |
|
|
Hole diameter (inch) |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
|
Mud s.g./viscosity |
pure water |
pure water |
pure water |
pure water |
pure water |
1.02/28-32 |
pure water |
|
In/Out mud temp (C) |
18/20 to 16/21 |
||||||
|
Mud loss (kl/h) |
total loss |
0 (aerated) |
total(>77, aerated) |
8 to >90 (aerated) |
20 (aerated) |
20-30 (aerated) |
total (>77 aerated) |
|
Remarks |
Cementing, reaming |
Drllling and cleaning by DHM |
Bent housing changed from 1° to 1.75°,
reference orientation (3°40' S25W at 199 m, 8°10' S33W at 248 m),
drilling and cleaning |
Reference orientation (13°10'-S18°W
at 284 m), drilling, cleaning, and sending sweep mud |
Reference orientation (18°-S11°W at
321m), drilling, cleaning, sending sweep mud. Exhanging of bit |
Reference orientation (23°-S6°W at
349m) Drilling, cleaning, sending sweep mud |
Cleaning, sending sweep mud, drilling |
| Sept. 9 |
Sept. 10 |
Sept. 11 |
Sept. 12 |
Sept. 13 |
Sept. 14 |
Sept. 15 |
|
|
Depth of previous day |
207.8 |
||||||
|
Drilled depth (m) |
Cement reaming |
207.8 |
208.6 |
||||
|
Wgt On Bit/table rev (t/rpm) |
2/DHM |
2/DHM |
|||||
|
Hole diameter (inch) |
12-1/4 |
12-1/4 |
12-1/4 |
12-1/4 |
|||
|
Mud s.g./viscosity |
pure water |
pure water |
|||||
|
In/Out mud temp (C) |
|||||||
|
Mud loss (kl/h) |
7 to total (>153) |
0 |
0 to total |
total (>77) |
|||
|
Remarks |
Preparation of resumption of drilling
(electricity, water test etc.) |
Set of entrance flange, 20-2000 BOP
assembling, water test, etc Water wells no.1 of 38 kl/h, no.2 of 42 kl/h, and cpacity of 66 kl/h to rig site |
Set for cement reaming, test running,
illumination installation, arrival of mud materials, etc |
Confirmed cementing head at 166.3
m, reaming 166.3 to 180 m, and cleaning. Cementing |
Measure agiant typhoon approach,
cement reaming with centering for drilling axis, suspension of
opeartion through night due to strong wind and haevy rain |
Cement reaming, cleaning, installation
of bent sub (2.25°), DHM from 180 m, circulation of sweep and aerated
mud. cuttings from 180 to 190m. |
Hole creaning, damage of DHM, hole
creaning, reaming down to 208m, cuttings from 192-208m. |
*Preparation of resumption of
drilling in late August. An additional water well was drilled.
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