Santos Indonesian drilling update
Oyong development drilling commenced
Thursday, May 26 2005 - 08:13 AM WIB
| Delineation well (Near Field Exploration/Appraisal Well) | Jeruk 2 ST4 |
| 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 is an appraisal sidetrack to be drilled out of the existing Jeruk 2 wellbore. | |
| Status at 0600hrs -- 25/05/05 | Pressure testing BOP?s prior to re-entering the Jeruk 2 wellbore. |
| Planned Total Depth (Rev.) | 5570m |
| Interest | Santos Group 45.0% |
| Singapore Petroleum Sampang Ltd 40.0% | |
| Cue Sampang Pty Ltd 15.0% | |
| Operator | Santos |
-------------------------------------------
| Delineation well (Near Field Exploration/Appraisal Well) | Tanggulangin 4 ST1 |
| Type | Oil Appraisal |
| Location | Onshore Indonesia |
| Brantas PSC, East Java Basin. 1.0km N of Tanggulangin 1, 5.0km E of the Wunut Field facilities, and some 35km S of Surabaya. | |
| Status at 0600hrs -- 25/05/05 | Conducting cased hole testing program. The well reached a total depth of 1143m with no progress for the week. |
| Planned Total Depth | 1073m |
| Interest | Lapindo Brantas 50% |
| Novus Indonesia Brantas Company 32% | |
| Santos Group 18% | |
| Operator | Lapindo Brantas |
-------------------------------------------
| Development Wells | 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 -- 26/05/05 | Preparing to drill ahead in 444mm intermediate hole in Oyong 5 DW1. Oyong 4 DW1: 508mm casing set at 186m. Current depth 188m. Oyong 5 DW1: 508mm casing set at 188m. Current depth 190m. Oyong 6 DW1: 508mm casing set at 185.6m. Current depth 187m. Oyong 7 DW1: 340mm casing set at 401m. Current depth 404m. Oyong 8 DW1: 340mm casing set at 403m. Current depth 406m. Oyong 9 DW1: 508mm casing set at 188m. Current depth 190m. Oyong 10 DW1: 508mm casing set at 164m. Current depth 164m. |
| 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 |