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

Tested C-10 zone, swabbed water; C-50 zone swabbed water and gas, TSTM.
Prepare to cut tubing due to stuck packer

Next Plan

Free the stuck packer.

?

?

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

Prepare to acidized. Found tubing or packer leak

Next Plan

Acidizing and production testing

?

?

Jata-4, South Sumatra Extension PSC, South Sumatra, Indonesia

Interest

100% through PT Medco E&P Indonesia

Operator

PT Medco E&P Indonesia

Type

Delineation

Status at 0600hrs

Drilling rig released on September 25, 2005 and moved to Matra 2005-1.

Next Plan

Continue completion job with service rig

Interest

100% through PT Medco E&P Indonesia

Operator

PT Medco E&P Indonesia

Type

Oil and Gas Exploration

Status at 0600hrs

M/U BHA to drill ahead w/ 12 ?" bit

Next Plan

Drill ahead with 12 ?" bit to 9 5/8" csg point.

?

?

DEVELOPMENT WELLS

Tiaka-7, 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

Completed testing, prepare to move to Tiaka-6

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

Drilling 6" hole at 7809?

Next Plan

Continue drilling 6" hole. Planned TD 9088?

?

?

Kaji Semoga 2005-31, 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

Installed X'mast tree, rig relased and move to Kaji Semoga 2005-33

Next Plan

Drilling at Kaji Semoga 2005-33

?

?

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

Waiting for cuthead line, repaired at Palembang

Next Plan

Drill ahead w/ 12 ?" bit to 9 5/8" csg shoe

?

?

Kaji Semoga 2005-35, 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, run 7" casing and move to KS 2005-36

Next Plan

Drilling at Kaji Semoga 2005-36

?

?

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

N/U BOP stack

Next Plan

Drill ahead w/ 8 ?" bit to TD, logging

?

?

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 drilling 8 ?" hole to TD (5149?), prepare for logging

Next Plan

Logging, run 7" casing and move rig to Matra 2005-2.

?

?

?

?

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

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
Shothole Drilling: 3,872 Shotpoint.
Recording: 1842 Shotpoint

Next Plan

Continue with drilling shothole and recording data.