Medco?s weekly drilling & exploration activities

?

?

EXPLORATION / APPRAISAL WELLS

Carat-2, Brantas PSC, East Java, Indonesia

Interest

32% through Novus Indonesia Brantas Company

Operator

Lapindo Brantas

Type

Oil and Gas Development

Status at 0600hrs

Rig released on October 17, 2005

Next Plan

Waiting on Management decision

?

?

Sukowati-4, Tuban PSC JOB, East Java, Indonesia

Interest

25% through PT Medco E&P Tuban

Operator

PetroChina International

Type

Oil and Gas Development

Status at O600hrs

Tested the well,rec.87-99%BS&WS and 1-13% oil, shut-in well.

Next Plan

Rig released and moved to Mudi-24

?

?

Rengas-1, South Sumatra Extension PSC, South Sumatra, Indonesia

Interest

100% through PT Medco E&P Indonesia

Operator

PT Medco E&P Indonesia

Type

Oil and Gas Exploration

Status at 0600hrs

RIH to drill out cement.

Next Plan

Drill ahead with 8 ?? bit to final TD, run wireline logging.

?

?

DEVELOPMENT WELLS

Tiaka-6, Senoro Toili PSC JOB, Central Sulawesi, Indonesia

Interest

50% through PT Medco E&P Tomori Sulawesi

Operator

JOB PERTAMINA - Medco E&P Tomori Sulawesi

Type

Oil Development

Status at 0600hrs

POOH w/ completion string.

Next Plan

Recompletion at Tiaka-6 well

?

?

Mamburungan - 2005-2, Tarakan PSC, East Kalimantan, Indonesia

Interest

100% through PT Medco E&P Kalimantan

Operator

PT Medco E&P Kalimantan

Type

Oil Development

Status at 0600hrs

RIH back- off tool

Next Plan

Back off stuck DP.

?

?

Kaji Semoga 2005-33, Rimau Block PSC, South Sumatra, Indonesia

Interest

95% through PT Medco E&P Indonesia

Operator

PT Medco E&P Indonesia

Type

Oil Development

Status at 0600hrs

Drilling 8 ?? hole at 3091?MD/2481?TVD

Next Plan

Drilling 8 ?? hole to TD, run wireline logs

?

?

Kaji Semoga 2005-36, Rimau Block PSC, South Sumatra, Indonesia

Interest

95% through PT Medco E&P Indonesia

Operator

PT Medco E&P Indonesia

Type

Oil Development

Status at 0600hrs

Rig released and moving to KS 2005- 38

Next Plan

Moving to KS 2005- 38

?

?

?

?

Kaji Semoga 2005-38, Rimau Block PSC, South Sumatra, Indonesia

Interest

95% through PT Medco E&P Indonesia

Operator

PT Medco E&P Indonesia

Type

Oil Development

Status at 0600hrs

Moving rig 90%, rigging up 15 %.

Next Plan

Spud in well, drilling ahead.

?

?

Matra C-6, Rimau Block PSC, South Sumatra, Indonesia

Interest

95% through PT Medco E&P Indonesia

Operator

PT Medco E&P Indonesia

Type

Oil Development

Status at 0600hrs

Completed logging, completion will perform by the rig service, drilling rig released and moved to Matra D- 4

Next Plan

Spud in Matra D-6

?

?

?

?

SEISMIC SURVEY

Tarakan 2D/3D, Tarakan TAC, East Kalimantan, Indonesia

Interest

100% through PT Medco E&P Tarakan

Operator

PT Medco E&P Tarakan

Type

2D/3D Seismic Survey

Activities

3D Survey : Line preparation activities (I.e. line clearance, topographic measurement, shothole drilling and recording) have been conducted; The progress of the survey is as follow:
Line Clearance : 334.78 km
Topographic measurement : 359.45 km (100%)
Shothole Drilling : 3,918 Shotpoint (100%)
Recording: 2659 Shotpoint (67.9%)
2D Survey : Line preparation activities (I.e. line clearance, topographic measurement and shothole drilling) have been conducted; The progress of the survey is as follow:
Line Clearance : 51.875 km
Topographic measurement : 62.9 km (100%)
Shothole Drilling : 34 Shotpoint (2.7%)
Note: In last week report, 3D and 2D progress is united.

Next Plan

Continue with drilling shothole (2D survey area); recording data (3D survey).