Santos Indonesian drilling update
Thursday, May 12 2005 - 07:31 AM WIB
Santos Indonesian drilling update
The following is excerpt from Santos Limited?s Weekly Drilling Report for week ending May 12, 2005:
| Wildcat Exploration Wells | Bisma 1 | 
| Type | Gas Exploration | 
| Location | Offshore Indonesia | 
| Brantas PSC, East Java Basin. 15.0km SE of the Maleo Gas Field 1, and some 140km E of Surabaya. | |
| Status at 0600hrs -- 11/05/05 | Running wireline logs. The current depth is 1594m with 574m progress for the week. | 
| Planned Total Depth | 1073m | 
| Interest | Lapindo Brantas 50% | 
| Medco Sampang 32% | |
| Santos Group 18% | |
| Operator | Lapindo Brantas | 
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| 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 -- 11/05/05 | Running wireline logs. The current depth is 1143m with 135m progress for the week. | 
| Planned Total Depth | 1073m | 
| Interest | Lapindo Brantas 50% | 
| Medco Sampang 32% | |
| Santos Group 18% | |
| Operator | Lapindo Brantas | 
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| 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 -- 12/05/05 | Batch drilling and cementing conductors to approx 125m. Currently 3/7 drilled.Operations commenced on the Oyong Development on 03/05/05. | 
| 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 | 
