JPDA PRODUCTION

JPDA: Monthly Production
Barrels of Oil Equivalent (BOE)

Previous 3 months

MonthProduction (BOE)
May '173,251,086.98
Jun '173,881,110.84
Jul '173,579,747.04

Autoridade Nacional do Petróleo

LAFAEK, Well Description

Well: BU-D05

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ANP ID:

D05

Region:

JPDA

Contact Area:

JPDA 03-12

Field Name:

Bayu Undan



Well Type:

Exploration

Classification:

Gas - Condensate



Total depth (m):

4936.6

RKB (m):

58.2

Seabed (m):

78.6

Start:

20-September-2003

Finish:

21-October-2004

Well Data (release):


Status:

Draft


Well Summary:

The BU-D05 / BU-D05ST1 development well was drilled from the BU-DPP platform by the Ensco 104 jackup rig. BU-DPP is located in the western half of the Bayu-Undan gas condensate field which is in the Production Sharing Contract (PSC) areas of JPDA 03-12 and JPDA 03-13, North Bonaparte Basin, Timor Sea, offshore Northwest Australia.

The location is approximately 250km south of East Timor and 480km northwest of Darwin. ConocoPhillips (03-12) Pty Ltd is the operator. The Ensco 104 jackup drilling rig (previously the Chiles Discovery) was on contract on the Bayu-Undan Field on 1st May, 2002 following the completion of drilling, completion and flow testing operations on the BU-WP1 platform. The rig was towed to the BU-DPP platform jacket where it was pinned on location on 23rd July, 2003. The BU-D05 well was spudded on 14th September 2003.

FORMATION TOPS:BU-D05
Formation Name
    MDRT
    (m)
TVDRT
(m)
TVDLAT
(m)
Thickness
(m)
Comments
Sea Bed
      137.4
    137.4
    -79.4
-
Oliver Formation
      729.6
    728.0
    -670.0
      32.9
Hibernia Formation
      783.2
    760.9
    -702.9
      432.5
Hibernia Marl
    1277.0
    1193.4
    -1135.4
      114.8
Grebe Sandstone Member
    1419.7
    1308.2
    -1250.2
      88.5
Johnson Formation
    1540.5
    1396.7
    -1338.7
      266.7
Intra Johnson J1
    2017.3
    1663.4
    -1605.4
      115.1
Johnson Marl
    2208.1
    1778.5
    -1720.5
      133.7
Upper Turnstone Formation
    2430.6
    1912.2
    -1854.2
      62.4
Middle Turnstone Formation
    2545.6
    1974.6
    -1916.6
      205.6
Lower Turnstone Formation
    2972.9
    2180.2
    -2122.2
      116.5
Vee Formation
    3211.5
    2296.7
    -2238.7
      134.5
Wangarlu Formation
    3485.0
    2431.2
    -2373.2
      376.9
Darwin Formation
    4236.7
    2808.1
    -2750.1
      68.4
Darwin Radiolarite
    4368.6
    2876.5
    -2818.5
      10.5
Echuca Shoals Formation
    4388.8
    2887.0
    -2829.0
      20.2
Flamingo Group
    4427.4
    2907.2
    -2849.2
-
TOTAL DEPTH
    4598.0
    3004.9
    -2946.9
-
FORMATION TOPS:
BU-D05ST1
Formation Name
    MDRT
    (m)
TVDRT
(m)
TVDLAT
(m)
Thickness
(m)
Comments
Middle Turnstone Formation
    2538.6
    1974.9
    -1916.9
      206.9
Lower Turnstone Formation
    2976.4
    2181.8
    -2123.8
      121.5
Vee Formation
    3232.9
    2303.3
    -2245.3
      130.2
Wangarlu Formation
    3504.5
    2433.5
    -2375.5
      373.0
Darwin Formation
    4299.5
    2806.5
    -2748.5
      78.6
Echuca Shoals Formation
    4474.1
    2885.1
    -2827.1
      19.2
Flamingo Group
    4518.0
    2883.6
    -2825.6
      114.1
Elang Formation
    4746.7
    3018.4
    -2960.4
-
RA2.3
    4746.6
    3018.4
    -2960.4
      12.3
RA2.2
    4769.8
    3030.7
    -2972.7
3.1
RA2.1
    4775.5
    3033.8
    -2975.8
      10.4
RA1.5
    4794.7
    3044.2
    -2986.2
5.5
RA1.4
    4804.6
    3049.7
    -2991.7
5.3
RA1.3
    4814.3
    3055.0
    -2997.0
      10.6
RA1.2
    4833.4
    3065.6
    -3007.6
      11.1
RA1.1
    4853.4
    3076.7
    -3018.7
6.8
WD2.3
    4865.7
    3083.5
    -3025.5
8.9
Target T19A
WD2.2
    4881.7
    3092.4
    -3034.4
7.0
WD2.1
    4894.1
    3099.4
    -3041.4
4.5
WD1
    4902.3
    3103.9
    -3045.9
      16.5
Plover Formation/IC4
    4931.7
    3120.4
    -3062.4
1.7
IC3
    4934.7
    3122.1
    -3064.1
-
TOTAL DEPTH
    4971.0
    3143.7
    -3085.7
-
SAMPLES, SIDEWALL CORES CONVENTIONAL CORES

Drill Cuttings
(Measured depths referenced to RT 58.0 m)

Ditch cuttings spot samples for geological description were caught at 10 m intervals in the16” hole section between 844.0 and 2460 mMDRT. Composite washed and dried ditch cutting samples were collected for storage in the 12 ¼” and hole section between 2460.0 m and 4598.0 mMDRT.
A ditch cuttings sampling summary is listed in table 1.

Table 1. BU-D05 Ditch Cuttings Sampling Type and Frequency

Interval mMDRT
Sample Frequency

Sample Type
Distribution
137.4 to 844.0

844.0 to 2460.0

2460.0 to 4598.0


None

10 m

10 m





No returns

Spot Samples

Washed & Unwashed







Unwashed:
ConocoPhillips 1 set
East Timor Gov’t 1 set
Washed:
ConocoPhillips 1 set
East Timor Gov’t 1 set
Geoscience Aust. 1 set







BU-D05ST1

(Measured depths referenced to RT 58.0 m)
Composite washed and unwashed ditch cuttings samples were collected for storage at 10
and 3 m intervals in the 10 ⅝" x 12 ¼", 8 ½” and 6 ¾” hole sections, between 2461.0 and
4971.0 mMDRT.
Table 2. A ditch cuttings sampling summary.
Interval mMDRT
Sample Frequency

Sample Type
Distribution
2461.0 to 4335.0
4335.0 to 4971.0
10 m

3 m

Washed & unwashed

Washed & Unwashed

Unwashed:
ConocoPhillips 1 set
East Timor Gov’t 1 set

Washed:
ConocoPhillips 1 set
East Timor Gov’t 1 set
Geoscience Aust. 1 set



Hydrocarbon Shows
Gas shows are summarized.

Cores
No conventional cores were cut.

Sidewall Cores
No sidewall cores were acquired.

LOGGING AND SURVEYS

LWD Logging

BU-D05
(Measured depths referenced to RT 58.0 m)
Sperry-sun Drilling Services ran the open hole LWD logs that are summarized.

Table 3. BU-D05 Open Hole LWD Logging Suites and Intervals

RunHole SizeTool String Interval (mMDRT)Comments
10036.00No tools in hole137.4 - 141.4No MWD tools in hole
20036.00No tools in hole141.4 - 173.9No MWD tools in hole
30026.00DWD174.4 - 844.4Run only Directional tool
40016.00DDS-DIR-GR844.4 - 1382.0
50016.00DDS-DIR-GR1382.0 - 1400.0
60016.00DDS-DIR-GR1400.0 - 1931.0
70016.00DDS-DIR-GR1931.0 - 2160.0
    800
    16.00
    DDS-DIR-GR
    2160.0 - 2458.0
    900
    12.25
    DDS-DIR-DGR
    2458.0 - 4598.0
End of LWD run taken as time of twist off –
23/10/04.

BU-D05ST1

(Measured depths referenced to RT 58.0 m)
Sperry-Sun Drilling Services ran the open hole LWD logs that are summarised in Table 4.

Table 4. BU-D05ST1 Open Hole LWD Logging Suites and Intervals
RunHole SizeTool String Interval (mMDRT)Comments
1000
12.25
DDS-DGR-Dir 2461.0 - 2578.0
1100
12.25
DDS-DGR-Dir 1200 2578.0 - 4435.0
1200
8.50
DIR-CNP-DGRDDS-
EWR-SLDACAL-
BAT
4335.0- 4484.0One transceiver in ACAL tool suspected to be damaged. Calliper processed using pseudo calliper from Density tool
13008.54674.0 – 4674.0No tools in hole
14006.75DIR-RES-DGRALD-
CTN
4674.0 - 4971.0
L SUMMARY:









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