Tubing-Conveyed Perforating | TCP Completions | Schlumberger

Tubing-Conveyed Perforating

Perforate long intervals in deviated and horizontal wells

Tubing-conveyed perforating (TCP) completion techniques enable perforating very long intervals in one run—some TCP strings have exceeded 8,000 ft [2,440 m] in length—and in highly deviated and horizontal wells, TCP is the only means of accessing the perforating depth. TCP also facilitates running large guns and using high underbalance. When TCP is deployed in conjunction with drillstem test (DST) tools, well fluids can be easily controlled. Without having to kill the well, TCP strings can be retrieved (shoot and pull) or left as part of the permanent completion (integrated TCP).


Firing Systems

Reliable, versatile firing heads and systems to deliver your perforating objectives

Debris Control Tools

Circulating and isolation subs for debris prevention

Debris-Circulating Sub Accessory

Ceramic cone in a ported sub

Enhance performance for heavy mud and high debris.


Fluid and debris isolation sub

Operate in environments with heavy mud or with large amounts of debris.


Long-slot debris circulating sub

Enable relatively large debris to fall out into the annulus and not accumulate on the ceramic cone.

Deployment Systems

Side-mounted perforating gun system


Side-mounted gun system

Orient the short-string guns below the packer to direct all shots away from the production tubing.

Gun Drop and Release Tools

Reliable automatic, hydraulic, and mechanical actuation options

Production and Isolation Valves

Underbalance and pressure management for TCP

Shock Absorber

Active shock absorption that prevents damage

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