TEL:+86 19521653487
EMAIL:shawn.zhu@petrogears-global.com

Casing Window Cutting Tool: 2-Trip Sidetrack Solution for Workover Wells

publish:2025-08-18 18:07:20   views :4
publish:2025-08-18 18:07:20  
4

Operation Workflow

Trip 1: Whipstock Setting

Run anchor assembly to target depth


Apply 2,500psi to set permanent anchor


Confirm orientation with MWD


Trip 2: Window Milling

Start with pilot mill (Φ= casing ID + 10%)


Switch to window mill for full-section cut


Finish with reamer mill for edge smoothing


Special Features

Composite Mill Design:


Stage 1: Diamond-enhanced pilot section


Stage 2: TCI (Tungsten Carbide Insert) main cutters


Stage 3: PDC finishing blades


Smart Anchor Technology:


Automatic pressure compensation


Anti-rotation lock for precise orientation


Debris Management:


Integrated junk slots (4x flow area)


Magnetized catcher for metal fragments


Target Applications

Well Type&Benefit

Workover Wells:Revive dead wells with new laterals

Multi-laterals:Create 2-3 branches from single parent

Bypass Drilling    :Circumvent collapsed casing sections

Geothermal:Enable directional drilling in old holes

Shanghai Petrogears Co., Ltd

©Shanghai Petrogears Co., Ltd

Building 16, No.2999, Hutai Road, Baoshan District, Shanghai, China

Phone:+86 19521653487

WhatsApp:+1 7654215961 

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Email

General manager:shawn.zhu@petrogears-global.com

Sales mangager:zak.sales@petrogears-global.com

Sales manager:minachen@petrogears-global.com

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