Santos Indonesian drilling update
Thursday, August 25 2005 - 07:27 AM WIB
The following is excerpt from Santos Limited?s Weekly Drilling Report for week ending August 25, 2005:
| Delineation Well(Near Field Exploration/ Appraisal Well) | Jeruk 2 ST4/ST5 |
| Type | Oil Appraisal |
| Location | Offshore Indonesia |
| Sampang PSC, East Java Basin. 1.6km E of Jeruk 1, 35.0km SW of the Oyong Field, and some 40km SE of Surabaya. Jeruk 2 ST4/ST5 are an appraisal sidetrack drilled out of the existing Jeruk 2 wellbore. | |
| Status at 0600hrs -- 25/08/05 | Pulling out of hole to run 178mm casing. The current depth is 5027m with 542m progress in ST5. Jeruk 2 ST5 was initiated from 4485m. After running casing Jeruk ST5 will drill ahead to further evaluate the reservoir section. |
| Planned Total Depth | 5080m |
| Interest | Santos Group 45.0% |
| Singapore Petroleum Sampang Ltd 40.0% | |
| Cue Sampang Pty Ltd 15.0% | |
| Operator | Santos Group |
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| Development Well | Wunut 16 |
| Type | Gas Development |
| Location | Onshore Indonesia |
| Brantas PSC, East Java Basin. 0.5km NE of Wunut 9, and some 30km S of Surabaya. | |
| Status at 0600hrs -- 24/08/05 | Wunut 16 is drilling ahead at 617m with 305m progress for the week. |
| Planned Total Depth | 930m |
| Interest | Lapindo Brantas 50% |
| Novus Indonesia Brantas Company 32% | |
| Santos Group 18% | |
| Operator | Lapindo Brantas |
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| Development Well | Oyong Development |
| Type | Oil Development |
| Location | Offshore Indonesia, East Java Basin |
| Sampang PSC, 40km E of Jeruk 1 and some 80km E of Surabaya. 7 Deviated Well Batch Drilling Program (Oyong 4 DW1 ? Oyong 10 DW1) | |
| Status at 0600hrs -- 25/08/05 | Running completion. Oyong 4 DW1 ST1 reached a total depth of 1610m with 370m progress for the week. Oyong 4 DW1: 244mm casing set at 1019m. Plugged back due to mechanical problems with parted production screens. Oyong 4 DW1/ST1 244mm casing set at 1019m. TD 1610m. Oyong 5 DW1: 244mm casing set at 965m. Depth 1296m. PBTD 870m. Oyong 6 DW1 Pilot: 244mm casing set at 1022m. Hole abandoned at 1200m. Oyong 7 DW1: 178mm casing set at 1189m. Current depth 1190m. Oyong 8 DW1 Pilot: 244mm casing set at 1351m. TD 1652m. Temporary Abandoned Oyong 9 DW1/ST1: 178mm casing set at 1339m. ST1 abandoned at 438m. Oyong 9 DW1/ST2 (Pilot Hole): 244mm casing set at 1416m. TD 1582m Oyong 10 DW1: 244mm casing set at 835m. Current depth 838m. |
| Planned Total Depth | 920m SS |
| Interest | Santos Group 45.0% |
| Singapore Petroleum Sampang Ltd 40.0% | |
| Cue Sampang Pty Ltd 15.0% | |
| Operator | Santos Group |