Santos Indonesian drilling update
Thursday, September 15 2005 - 07:16 AM WIB
| 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 0300hrs -- 15/09/05 | Jeruk 2 ST5 has been suspended following the completion of production testing (as previously reported). The well reached a total depth of 5102m with no progress for the week. The rig was released on 14/09/05. |
| 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 -- 15/09/05 | Continuing cased hole production testing operations. Wunut 16 reached a total depth of 930m with no progress for the week. Production testing over the perforated intervals 700m-707m and 627m-632m flowed gas at 93450 cubic meters per day (3.3mmcfd) and 62300 cubic meters per day (2.2 mmcfd) respectively, through a 9.5mm (24/64?) surface choke. A further cleanup flow from the perforated interval 800m-807m flowed gas at 28300 cubic meters per day (1.0 mmcfd). The well has been completed as a gas producer and the rig was released on 14/09/05. |
| 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 -- 15/09/05 | Setting abandonment plugs in Oyong-8 DW1 pilot hole. Preparing to drill horizontal development well. Oyong 4 DW1/ST1: Well completed. 178mm casing set at 1230m. 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/ST1: Well completed. 178mm casing set at 1189m. TD 1680m. Oyong 8 DW1: 244mm casing set at 1351m. TD 1652m. Well Abandoned for sidetrack Oyong 9 DW1/ST2: 244mm casing set at 1416m. TD 1474m. Pending completion. 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 |