A Noble Drilling Corporation Subsidiary TT00-381 April 19, 2001 Coiled-Tubing High Pressure Jet Drilling System Dr. William C. Maurer.

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Presentation transcript:

A Noble Drilling Corporation Subsidiary TT April 19, 2001 Coiled-Tubing High Pressure Jet Drilling System Dr. William C. Maurer

TT Exxon HP Field Test

TT Exxon Jet Bit

TT Exxon HP Field Test

TT HP Pump HP Line HP Rotary Hose HP Swivel High Strength Drill Pipe HP Seal Tool-Joint Seal HP Bit Exxon High Pressure Drill Rig

TT00-386

7

8

9

10 Comparison of Drilling Methods RotaryMotor

TT

TT CT Reel Injector Head Single-Flow HP Bit LP & HP Pumps HP Flow High Pressure CT Drilling System (Single Flow) Single Flow HP Motor (Solid Rotor) Conventional Coiled Tubing

TT Project Participants u Maurer Engineering - Motors and Bits u Quality Tubing - HP Coiled Tubing u Stewart & Stevenson - CT Rig u BJ Services - Field Operations u Marathon - Operator Requirements u ARCO - Operator Requirements

A Noble Drilling Corporation Subsidiary TT HP Motor Design Curtis Leitko

TT High Pressure CT Motor (Single Flow) Titanium Drive Shaft PDC Thrust Bearings Titanium Flexshaft High Pressure Jet Bit Filter PDM Multilobe Rotor/Stator (3 1/8”) 2 3/8” CT Solid Titanium Flexshaft Radial Bearings/ Flow Restrictors High Pressure Low Pressure Solid Rotor

TT Thrust Load on Bearing 10,000 PSI 34,000 lb Force Seal Housing Thrust Bearing Bit

TT Candidate Bearings Ball BearingPDC Bearing

TT Bearing Load Comparison rpm

TT Motor Labyrinth Seals Upper Restrictor 5” Fluid Flow Lower Restrictor Shaft Housing } }

TT Motor Labyrinth Leakage w Four 5” Labyrinths 10,000 psi

TT Advanced Geothermal Turbodrill (AGT) Bearing PackSpeed ReducerTurbine

TT Planet Gears Sun Gear Ring Gear Planetary Gears

TT (RPM)(ft-lbs) Turbodrill Performance

TT HP Bit Design

TT High Pressure Jets High Pressure Jet Bit

TT

A Noble Drilling Corporation Subsidiary TT HP Coiled-Tubing Design John H. Cohen

TT Coiled Tubing Burst Pressure (100,000 psi yield) CT Diameter (in.) Wall Thk. (in.) Burst Pressure (psi) 20,800 24,160 22,670 20,910 19,800 16,670 13,770 11,310

TT CT FATIGUE LIFE Fatigue Life (trips) Internal Pressure (psi) QT-1000 (based on MEI CTLIFE model)

TT Fiberspar Spoolable Products u Production Tubing - FS PT u Line Pipe - FS LP u Coiled Tubing -FS CT (for Well Servicing)

TT First FS CT Field String 6500 Ft. Length, 1.5” OD

TT QT-1000Incoloy-625Composite Burst Pressure (psi) CT Burst Pressure 2.00 inch OD

TT Composite CT Hybrid Coiled Tubing Steel CT

A Noble Drilling Corporation Subsidiary TT High Pressure Motor Tests John H. Cohen

TT Mud Motor Dynamometer Test Stand

TT

TT

TT psi

TT ,000 psi

TT

TT

TT CT High Pressure Jet Drilling Rate Motor Leauder Limestone 3-1/8 ” Bit

A Noble Drilling Corporation Subsidiary TT DOE High-Pressure Coiled Tubing Drilling System Phase III Commercialization William C. Maurer August 8, 2000

TT Objective: Field test and demonstrate prototype CT Drilling System Sub Contractors:BJ Services Quality Tubing Phase III Commercialization u Start DateOct. 1, 2000 u Phase III Budget$3,152,498 u DOE Phase III Funding$1,585,556

TT Phase III Tasks u 1. Conduct shallow field test u 2. Modify system u 3. Conduct deep field test u 4. Develop Commercialization Plan u 5. Write Final Report

TT Phase III Plans u Shallow field tests- Catoosa u Deeper field tests- Marathon Oil u Commercial tests- BJ Services

TT High Pressure Bit HP Flow Conventional Coiled Tubing High Pressure Motor Drilling (Vertical)

TT High Pressure Jets Slots Formation Damage Jet Slotting Stimulation

TT Formation Damage Mechanism (Timmerman, 1982) Pressure profile in the formation Dp skin = Pressure drop across the damaged zone Skin or zone of damage

TT “ 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)

TT Glacier Bluff Dolomite 10,000 psi Jet Well Bore Helical Slotting

TT Texas Cream Limestone 10,000 psi Jet

TT Cement Tubing High Pressure Jets Drilling Cement

TT

TT

TT CT Cement Cleanout Rates

TT Cement Cleanout Assumptions u Conventional ROP= 60 ft/hr u Jet ROP = 600 ft/hr u Conv. CT Rig= $10,000/day u Jet CT Rig = $20,000/day u Land Rig = $5,000/day u Offshore Rig = $200,000/day u Well Depth = 10,000 ft. Conv. Land Cost = ($10,000 + $5,000) x 10, x 24 = $104,000

TT Cement Cleanout Costs (Land Well)

TT Cement Cleanout Costs (Offshore Well)

TT Barite Scale High Pressure Jets Tubing Barite Scale Removal

TT High Pressure Jets Tubing Open slots Plugged slots Jetting slots Cleaning Slotted Liners

TT Predrilled Hole Reamed Hole High Pressure Jets Hole Guide Hole Reaming/Cleaning

TT High Pressure Jets Casing Under Reaming

TT Drilling (Horizontal)

TT Phase III Commercialization u BJ Services  CT field operations u Quality Tubing  High Pressure CT u Marathon Oil  Field test sites u Maurer Engineering  HP motor/bit development

TT

TT Potential Market Drilling 500$100,000$50 Million Number Wells Income Per Well Annual Income Open-Hole Slotting 1000$30,000$30 Million Cement Cleanout 100$50,000$5 Million Total Income = $85 million/year Applications