A Noble Drilling Corporation Subsidiary TT00-381 April 19, 2001 Coiled-Tubing High Pressure Jet...
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Transcript of A Noble Drilling Corporation Subsidiary TT00-381 April 19, 2001 Coiled-Tubing High Pressure Jet...
1
A Noble DrillingCorporation Subsidiary
TT00-38
April 19, 2001
Coiled-Tubing High Pressure Jet Drilling System
Coiled-Tubing High Pressure Jet Drilling System
Dr. William C. Maurer
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Exxon HP Field Test
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Exxon Jet Bit
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Exxon HP Field Test
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HP Pump
HP Line
HP Rotary Hose
HP Swivel
High StrengthDrill Pipe
HP Seal
Tool-JointSeal HP Bit
Exxon High Pressure Drill Rig
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Comparison of Drilling Methods
0
200
400
600
800
1000
1200
Conventional Drilling Motor/ Jet Bit
Dri
llin
g R
ate
(ft
/hr)
Rotary Motor
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CT ReelInjector Head
Single-Flow HP Bit
LP & HP Pumps
HP F
low
High Pressure CT Drilling System(Single Flow)
Single Flow HP Motor
(Solid Rotor)
ConventionalCoiled Tubing
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Project Participants
Maurer Engineering - Motors and Bits
Quality Tubing - HP Coiled Tubing
Stewart & Stevenson - CT Rig BJ Services - Field Operations Marathon - Operator
Requirements ARCO - Operator Requirements
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A Noble DrillingCorporation Subsidiary
TT00-38
HP Motor DesignHP Motor Design
Curtis Leitko
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High Pressure CT Motor (Single Flow)
Titanium Drive Shaft
PDC Thrust Bearings
TitaniumFlexshaft
High PressureJet Bit
Filter
PDM Multilobe Rotor/Stator (3 1/8”)
2 3/8” CT
Solid TitaniumFlexshaft
Radial Bearings/Flow Restrictors
High Pressure
Low Pressure
Solid Rotor
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Thrust Load on Bearing10,000 PSI
34,000 lbForce
Seal
Housing
Thrust Bearing
Bit
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Candidate Bearings
Ball Bearing PDC Bearing
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Bearing Load Comparison
5600
16,800
0
5000
10000
15000
20000
Ball Bearing PDC Bearing
Load C
apaci
ty
100 Hours @ 300 rpm
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Motor Labyrinth Seals
Upper Restrictor5”
5”
FluidFlow
Lower Restrictor
ShaftHousing
}}
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Motor Labyrinth Leakage
8.1
12.1
0
2
4
6
8
10
12
14
16
0.004" 0.006"Leakage Clearance (w)
Flo
w R
ate
(gpm
)
wFour 5” Labyrinths10,000 psi
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Advanced Geothermal Turbodrill (AGT)
Bearing Pack Speed Reducer Turbine
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Planet GearsSun Gear
Ring Gear
Planetary GearsPlanetary Gears
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7500
90085
1100
Rotary Speed Torque
With Gear BoxWithout Gear Box
(RPM) (ft-lbs)
Turbodrill Performance
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HP Bit Design
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High Pressure Jets
High Pressure Jet Bit
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A Noble DrillingCorporation Subsidiary
TT00-38
HP Coiled-Tubing Design
HP Coiled-Tubing Design
John H. Cohen
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Coiled Tubing Burst Pressure(100,000 psi yield)
CT Diameter (in.)
1.00
1.25
1.50
1.75
2.00
2.375
2.875
3.500
Wall Thk. (in.)
0.109
0.156
0.175
0.188
0.203
0.203
0.203
0.203
Burst Pressure (psi)
20,800
24,160
22,670
20,910
19,800
16,670
13,770
11,310
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0
50
100
150
200
6,000 9,000 12,000
1.75"2.00"
CT FATIGUE LIFE
Fat
igu
e L
ife
(tri
ps)
Internal Pressure (psi)
QT-1000
(based on MEI CTLIFE model)
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Fiberspar Spoolable ProductsFiberspar Spoolable Products
Production Tubing - FS PT Line Pipe - FS LP Coiled Tubing -FS CT (for Well
Servicing)
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First FS CT Field String6500 Ft. Length, 1.5” OD
First FS CT Field String6500 Ft. Length, 1.5” OD
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0
10000
20000
30000
40000
QT-1000 Incoloy-625 Composite
Bu
rst
Pre
ssu
re (
psi
)CT Burst Pressure
2.00 inch OD
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Composite CT
Hybrid Coiled Tubing
Steel CT
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A Noble DrillingCorporation Subsidiary
TT00-38
High Pressure Motor Tests
High Pressure Motor Tests
John H. Cohen
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Mud Motor Dynamometer Test Stand
Dynamometer
MotorFlexShaft
Leak TankFluid Inlet
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2000 psi
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10,000 psi
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CT High Pressure Jet Drilling Rate
150300
1600
0
200
400
600
800
1000
1200
1400
1600
1800
Rotary Conventional High Pressure
Dri
llin
g R
ate
Motor Motor
Leauder Limestone3-1/8” Bit
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A Noble DrillingCorporation Subsidiary
TT00-38
DOE High-Pressure Coiled Tubing Drilling System
Phase III Commercialization
DOE High-Pressure Coiled Tubing Drilling System
Phase III Commercialization
William C. MaurerAugust 8, 2000
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Objective: Field test and demonstrate prototype CT Drilling System
Sub Contractors: BJ ServicesQuality Tubing
Phase III Commercialization
Start Date Oct. 1, 2000
Phase III Budget$3,152,498
DOE Phase III Funding$1,585,556
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Phase III Tasks
1. Conduct shallow field test
2. Modify system
3. Conduct deep field test
4. Develop Commercialization
Plan
5. Write Final Report
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Phase III Plans
Shallow field tests - Catoosa
Deeper field tests - Marathon
Oil
Commercial tests - BJ
Services
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High Pressure Bit
HP F
low
ConventionalCoiled Tubing
High Pressure Motor
Drilling (Vertical)
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HighPressure Jets
Slots
FormationDamage
Jet SlottingStimulation
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Formation Damage Mechanism
(Timmerman, 1982)
Pressure profilein the formation
Dpskin =Pressure drop acrossthe damaged zone
Skin or zoneof damage
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“ In must homogeneous matrix situations, the
physical depth of solids invasion tends to be shallow (1-2 cm into the formation)”
(Bennion et al., 2000)
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Glacier Bluff Dolomite 10,000 psi Jet
Well Bore Helical Slotting
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Texas Cream Limestone 10,000 psi Jet
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Cem
en
tC
em
en
t
Tubing
HighPressure Jets
Drilling Cement
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CT Cement Cleanout Rates
60
1000
0
200
400
600
800
1000
1200
Low Pressure 10,000 psi
RO
P (
ft/h
r)
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Cement Cleanout Assumptions
Conventional ROP = 60 ft/hr Jet ROP = 600 ft/hr Conv. CT Rig = $10,000/day Jet CT Rig = $20,000/day Land Rig = $5,000/day Offshore Rig = $200,000/day Well Depth = 10,000 ft.
Conv. Land Cost =($10,000 + $5,000) x 10,000
60 x 24= $104,000
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Cement Cleanout Costs(Land Well)
104
21
0
20
40
60
80
100
120
Cost
Cle
anout
Cost
s ($
1000's
)
ConventionalJet
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Cement Cleanout Costs(Offshore Well)
0.15
1.46
0.00.20.40.60.81.01.21.41.6
Cost
Cle
anout
Cost
s ($
Mill
ions)
ConventionalJet
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Barite Scale
HighPressure Jets
Tubing Barite Scale Removal
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HighPressure Jets
TubingOpen slots
Plugged slots
Jetting slots
Cleaning Slotted Liners
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Predrilled Hole
Reamed Hole
HighPressure JetsHole Guide
Hole Reaming/Cleaning
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HighPressure Jets
Casing
Under Reaming
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Drilling (Horizontal)
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Phase III Commercialization
BJ Services CT field operations
Quality Tubing High Pressure CT
Marathon Oil Field test sites
Maurer Engineering HP motor/bit
development
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Potential Market
Drilling 500 $100,000 $50 Million
NumberWells
IncomePer Well
AnnualIncome
Open-Hole Slotting 1000 $30,000 $30 Million
Cement Cleanout 100 $50,000 $5 Million
Total Income = $85 million/year
Applications