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Casing Repair

Restore completion integrity after casing damage

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Use through-tubing technology to rapidly remediate corroded and worn casing

Casing damage is often considered a problem of mature wells, suffered only after years or decades of corrosion, erosion, or wear fatigue, However, it is increasingly occurring in newer wells because of the wear incurred while installing initial casing in long horizontal and tortuous wellbores.

Casing repair options depend on the size and condition of the casing, the depth and extent of the leak or damage, and the productivity (economics) of the well. Schlumberger offers a full range of casing isolation, repair, and replacement technologies.

A pipe cut with PowerCutter.
Efficient Use of Saltel Xpandable Technology in Unconventional Wells
This live webinar explains how patches and packers using expandable steel technology deliver unrivaled benefits when remediating casing and cement failures in unconventional wells.
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Isolate the Damage

Squeeze cement into the damage to restore isolation without impeding wellbore ID, or place a cement plug or mechanical packer or plug to isolate the damaged zone.

SqueezeCRETE

Remedial cementing solution

Repair extremely small gaps or fractures in wellbores at the microscale.

BluePlug Max CMR

High-pressure wireline- or tubing-set cement retainer

Bidirectional barrier in cased hole wells for well abandonment or remedial cementing below the retainer.

Patch the Casing

Run a patch through tubing across the damaged zone, and isolate the damaged casing by cementing it in place or inflating it to create a complete seal while retaining nearly full wellbore ID.

Saltel Expandable Steel Patches

Repair and remediation solutions

Repair a zone of damaged tubing or casing, shut off unwanted perforations, or seal a leaking sliding sleeve.

Saltel Frac Packer

Based on Saltel Xpandable technology

Improve sealing reliability, especially in irregular boreholes.

Saltel Annular Zonal Isolation Packer

Using Saltel Xpandable technology

Minimize costs and NPT with robust, high-pressure expandable steel annular packers that rapidly isolate zones, even in oval boreholes.

External Casing Packer

Based on Saltel Xpandable technology

Set at low pressures to achieve zonal isolation.

Cut and Reconnect the Casing

Cut off the damaged casing and leave a stub that can be connected to a new casing string.

PowerCutter

Precision tubular cutter

Cleanly cut tubing or drillpipe with no moving parts or chemicals.

Casing Reconnect

Metal-to-metal, gas-tight casing repair system

Simplify casing repairs to keep drilling programs on schedule and secure well integrity for P&A.

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Case Study Gas-Tight Reconnection to Surface Enables Reentry into Abandoned Exploration Wells and Avoids Redrilling

Novel use of Casing Reconnect system cost-efficiently converts two plugged and abandoned wells into producers.

Video Casing Reconnect System: Recover Stuck Casing

Metal-to-metal, gas-tight casing repair system.

Video Casing Reconnect System: Restore Damaged Wellhead

Metal-to-metal, gas-tight casing repair system.

Video Casing Reconnect System: Replace Damaged Casing

Metal-to-metal, gas-tight casing repair system.

Video Casing Reconnect Metal-to-Metal, Gas-Tight Casing Repair System

Rated to ISO 14310 V0 and is compatible with NACE MR0175 for sour service.

Video Casing Reconnect System: Facilitate Well Reentry

Metal-to-metal, gas-tight casing repair system.

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