REPORT OF FOELD DEVELOPMEMT PROJECT FOR THREE WELL DESIGN

1. Drilling Department
Presented By: Muhammad Noman Khan s/o
Muhammad Hanif Khan
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2. Presentation Synopsis
1. Pressure and fracture gradient determination
2. Calculation and selection of casing type (Proposed casing
programmed)
3. Cementing Plan
4. Mud Plan
5. Bit Plan
6. Well Head Housing
7. Rig selection
8. Drill time estimation 2

3. Casing Setting Depth Selection & Fracture Gradient Determination
• Formation pressure
• Depth
• Method used to determine
fracture gradient : Eaton’s
Method
3

5. For S/D and Poissons ratio

6. Conductor Casing Design
0
200
400
600
800
1000
1200
0 500 1000 1500 2000 2500 3000
Depth(ft)
Pressure (psi)
Burst Design
Load Line
Back up Line (psi)
Resultant Line (psi)
Design Line (psi)
#H-40
0
100
200
300
400
500
600
0 500 1000 1500 2000 2500 3000
Depth(ft)
Pressure (psi)
CollapseDesign
Load Line
Resultant Line (psi)
Design Line (psi)
#H-40

7. Casing Selection
#H-40
Round Thread (short)
1530
Collapse Resistance (psi)
520
Weight (lb/ft)
94
ID (inch)
18.936
0
100
200
300
400
500
600
700
800
900
1000
-100 0 100 200 300 400 500 600 700 800 900 1000
Depth(ft)
pressure (psi)
Tension Design
Tensional Design
Design line
Casing Selection

8. Surface Casing Design

10. Intermediate Casing Design

12. Type of
Casing
Casing Size,
in
Casing
Grade
Conductor 20 H40
Surface 13 3/8 J-55(I,II)
Intermédiate 9 5/8 H40(I,II)
Casing Program – Summary
12

13. Deviation well Design (2 & 3)

14. Lz
Lx
0
1000
2000
3000
4000
5000
6000
7000
-500 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
WELL 2
0
1000
2000
3000
4000
5000
6000
7000
-1000 0 1000 2000 3000 4000 5000 6000 7000
AxisTitle
Axis Title
WELL 3

15. Mud Planning
Seawater
Native
- Seawater +
Clay (Formation)
- Using Pre hydrated
bentonite to aid in hole
cleaning
- Dump and dilute method to
control mud weight and soild
contents

16. Hole Size, in Casing
Size
Mud
Weight,
ppg
Total Amount,
bbl
26’’ 20 9.06 328.3
17 ½’’ 13 5/8’’ 9.06 995.68
12 ½” 9 5/8” 9.06 1022.726bbl
Mud Plan
16
And Production Hole Required 1047.293bbl

17. Cement Classification
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18. Cement Classification
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22. Volumetric mixing controls. Q1 = mixwater
rate; Q2 = dry solids rate; Q3 = slurry rate
Tune Lite Mixing & Cement Head
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23. Hole Size, in Bit Type Bit Size, in
20
Mill Tooth, Hole
Opener
26
13 3/8 Tricone Roller 17 1/2
9 5/8 TD506 PDC 12 1/4
Bit Planning
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24. Bit Planning
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25. Bit Planning
25

26. Well Head Housing
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27. JACKUP RIG
Rigs
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29. BOP SELECTION

31. Drilling Time Estimation
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Operations Time estimate, days Depth (TVD), ft
Move rig floor to slot 0.5 0
Drill 26" hole 1.5 1000
Run 20" conductor casing 1.5 1000
run cement to sea bed 1 1000
Drill 17.5" hole 2.5 3100
Run 13.375" surface casing 2.5 3100
run cement to sea bed 1 3100
Run & Test BOP 1.5 3100
Drill 10.75" hole 4.5 6050
Log 10.75" hole 2 6050
Run 8.625" production Completion 4.5 6050
Run Cement 2 6050

32. well1 well2 well3
Lower
Section
13 3/8” 13 3/8” 13 3/8”
9 5/8” 9 5/8” 9 5/8”
Estimated
Time
(Days)
25 25 25
Total Time to Complete Top Section for all Wells – 75 days
25 days including Rig move and prepare to drill and Running BOP
Drilling Time Estimation
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33. • Pipe Sticking
• Differential-Pressure Pipe Sticking
• Mechanical Pipe Sticking
• Loss of Circulation
• Drillpipe Failures
• Twistoff
• Fatigue
• Pipe-Failure Prevention
• Hydrogen-Sulfide-Bearing Zones and Shallow Gas
• Since we don’t have log data, we very much depend on the real time
drilling operations, Hence we have to be very careful about gas kick
or loss.
Drilling Challenge
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34. • Fire-fighting equipment must be available for emergency use in the event of a fire
and should be provided in first-class working order.
• Unauthorized person should not be allowed to be on the rig at any time.
• Personnel who not involved directly in the particular operation should keep away
from operation site.
• Sea survival and offshore course is compulsory for all personnel.
Safety
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