Santos Indonesian drilling update
Thursday, July 28 2005 - 07:29 AM WIB
The following is excerpt from Santos Limited?s Weekly Drilling Report for week ending July 28, 2005:
| 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 drilled out of the existing Jeruk 2 wellbore. | |
| Status at 0600hrs -- 28/07/05 | Current operation is pulling out of hole with test tools. The current depth is 5230 m with 17m progress for the week. During the past week a drill stem test was conducted over the open-hole interval from 5088m MD (4764m TVDSS) to 5230m MD (4901m TVDSS). The test was flowed for approximately 16 hours and was then shut-in to obtain pressure build-up data. During the test the well flowed a mixture of oil and water at a combined rate of up to 1300 barrels per day. Following completion of the current test, the plan is to drill ahead and continue the evaluation of the reservoir interval. |
| Planned Total Depth (Rev.) | 5570m |
| Interest | Santos Group 45.0% |
| Singapore Petroleum Sampang Ltd 40.0% | |
| Cue Sampang Pty Ltd 15.0% | |
| Operator | Santos |
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| Development Well | Wunut 15 |
| Type | Gas Development |
| Location | Onshore Indonesia |
| Brantas PSC, East Java Basin. 0.5km N of Wunut 1, and some 30km S of Surabaya. | |
| Status at 0600hrs -- 28/07/05 | Preparing for completion as a gas producer after running 178mm production casing. The well reached a total depth of 930m with 325m progress for the week. |
| Planned Total Depth | 945m |
| 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 1500hrs -- 28/07/05 | Preparing to drill ahead in Oyong 4DW1 from 1023m. Oyong 4 DW1: 244mm casing set at 1019m. Current depth 1023m. Oyong 5 DW1: 244mm casing set at 965m. Current 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. Current depth 1340m. 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 |