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TIW CORPORATIONTIW CORPORATIONA PEARCE INDUSTRIES COMPANY

P.O. Box 35729Houston, Texas77235-5729U. S. A.

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TIW Abrasive Jet Drilling System(JETDRILL)

• Abrasive Jet Casing Cutter (JCUTTER)

• Abrasive Jet Hole Reamer (JREAMER)

• Abrasive Jet Horizontal Drill (JETDRILL)

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TIW Abrasive Jet Drilling System(JETDRILL)

Jet Casing Cutter(JCUTTER)

Jet Hole Reamer(JREAMER)

Jet Horizontal Drill(JETDRILL)

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Well Site Equipment

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400 Bbl Tank (A)

Pump Unit (B)

Data Unit (H)

Hydraulic Compensator (E)(C)

(F)

(D)

(D)

Mud Tank (G)

Data Lines

(F) Hydraulic Unit

A = Water SupplyB = Pump UnitC = Sand BlenderD = DensometerE = CompensatorF = Hydraulic UnitG = Mud TankH = Data Unit

Well Site Equipment

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Downhole Procedures

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Abrasive Jet Casing Cutter(JCUTTER)

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Abrasive Jet Casing Cutter(JCUTTER)

• Run JCUTTER to casing cutting point

• Pump abrasive slurry while rotating and moving cutter up and down

• Trip out after cutting casing

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Abrasive Jet Hole Reamer(JREAMER)

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Run-In

After cutting casing run abrasive jet hole reamer(JREAMER)

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Extend JREAMER nozzles to correct distance to ream hole

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After under-reaming move JREAMER upward to rotate nozzles back into tool cavity trip out of hole

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Run-InHole

Extend Jets & Under-ream

Retract JetsTrip out of Hole

JREAMER (Summary)

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10 FT.

JREAMER Reamed SectionReam a 30” dia x 10 ft. section

30”

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Abrasive Jet Horizontal Drill(JETDRILL)

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JETDRILL Anchor

The JETDRILL anchor is set using standard wireline or hydraulic setting tools

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UNTAPPEDProduction

ORIENTATION GUIDE

ORIENTATION GUIDE

JETDRILL Orienting Guide

A special guide that orients the JETDRILL to the proper angle for jet drilling is adjusted at the surface

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ORIENTATION GUIDE

Slot for orientation

lug

JETDRILL Canister

A predetermined length of coiled tubing equal to desired lateral length is run inside a canister and the JETDRILL assembly is then run to bottom on a work string

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UNTAPPED Production

JETDRILL COLLET

• The JETDRILL is oriented in the anchor

• Compressive weight engages a COLLET in the anchor

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PIN PIVOT

JETDRILL BENDING

Additional compressive load actuates a unique articulated section, starting the 90 degree bend in the coil tubing

UNTAPPED Production

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Guide

JETDRILL ACTIVATION

• The coil tubing is released from the canister by rotating the work string

• Jet drilling is initiated while continuing to set weight on the coil tubing

• The coil tubing extends through the articulated body as weight is applied at the surface

UNTAPPED Production

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TAPPED Production

The jet bits operating at 6,000 to 8,000 psi drill 3 to 4 inch diameter horizontal holes up to 300 ft long, to overcome formation damage and water coning problems, and to tap new production zones

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NEW TAPPED Production

JETDRILL can be retrieved and re-run at different angles with the same anchor setting

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Giving Multiple Boreholes fromOne Position Setting

Top View Well Bore

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JETDRILL Summary

• Erode casing section with JCUTTER

• Erode 30 in x 10 ft hole section with JREAMER

• Set JETDRILL ANCHOR at desired depth

• Run JETDRILL and orient in ANCHOR

• Apply weight to engage collet in ANCHOR

• Release coil tubing by rotation and initiate jet drilling. Continue to set-down weight on coil tubing until desired distance is drilled

• Pick up and retrieve JETDRILL assembly from well

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JETDRILL Advantages

• Convert vertical wells to horizontal

• Drill multiple laterals from existing wells

• Increase production from existing wells

• Penetrate near wellbore damage

• Overcome water coning problems

• Intersect new production zones

• Short radius enables pinpoint accuracy

• Patent pending

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Setting the Pace in Horizontal Completions

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