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HEVERDA DRILLING TOOLS

Drilling Tools for Sidetracking & Well Recovery

From whipstock window exits to fishing and workover operations — one partner, one specification, one supply chain for the hardest downhole jobs.

Whipstock Systems

Window-exit and sidetrack systems for 4-1/2″ to 13-5/8″ casing. API 7-2 connections, ≥110 ksi material, and matched mill packages.

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Fishing & Workover Tools

Spears, overshots, jars, circulating subs, and mills for stuck-pipe recovery and workover operations.

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WHIPSTOCK CASING SYSTEMS

Whipstocks for Sidetracking & Window Opening

Four standard sizes, one rugged design — from 4-1/2″ to 13-3/8″ casing.

How Whipstock Sidetracking Works
4-1/2" Whipstock

For slim-hole sidetracking and re-entry operations.

7" Whipstock

Standard profile for most workover and drilling windows.

9-5/8" Whipstock

Mid-range casing exit and multilateral applications.

13-3/8" Whipstock

Heavy-duty window opening for surface and conductor casing.

Standard Whipstock Assembly

Seven proven components assembled and inspected before shipment.

Component Description
Bottom Part Concave bottom component — stabilizes the whipstock body in casing.
Top Part Concave top component — guides mill orientation and window geometry.
Mech Anchor Connector Mechanical anchor connector — secures the whipstock to the casing wall.
Lead Mill Lead mill body — initiates the casing window with controlled direction.
Flex Mill Extended Extended flex mill body — lengthens the window and improves drift.
Hook Retrieval hook — for running, setting and pulling the assembly.
Die Collar Die collar — for engaging and recovering the fish during fishing operations.

Where These Tools Work

Window Opening

Precise casing exits for sidetracking, plug-and-abandon or multilateral wells.

Sidetracking

Re-entry operations from existing wellbore to access new reservoirs.

Workover & Remediation

Fishing, milling and whipstock combinations for complex downhole recovery.

Get the Right Tool for Your Well

Share your casing size, well condition and operation target — we will recommend the right downhole tool configuration.

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