Innovative Solution Delivers First Ever Acoustically Initiated TCP Firing Head

Presented By:Ryan Bruce – TCP Service Leader (Halliburton UK)

Co-Authored By:Brian Milne (Metrol Technology Ltd.)

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UK North Sea Success Story

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Project Delivery

Challenge

Mechanical firing head not suitable

Pressure firing head pushed to the limit

Solution

First ever acoustic firing head

Safe design

Results

No pressure application required

Positive industry response

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Achieving our Goal

▌ Acoustic firing head

▌ Secondary pressure firing head

▌ Delay elements

▌ Safety device

▌ Gun release

▌ 4 5/8” 5spf TCP guns

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Existing Technologies

▌ Mechanical

▌ Pressure

▌ Electronic

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What is Acoustic Technology?

▌ Fire Guns

▌ Surface read out of BHP/BHT throughout the DST

▌ Trigger BH samplers

▌ Activate valves for zonal flow control and multi-

zone testing

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The Acoustic Firing Head

▌ Two main components:

Acoustic actuator

Pressure assisted mechanical firing head

▌ Firing head operation:

Prime and fire commands

Rotating lead screw

Impacting rod

Pressure assisted mechanical firing head

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Firing Head Safety

▌ Software Security

▌ Electronically Commutated Motor

▌ Temperature Range

▌ Prime & Fire

▌ Hydrostatic Firing Head

▌ Thermal Switch

▌ Time delayed hydraulic lock-out

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Testing the Firing Head

▌ Design Collaboration

▌ Intensive Test Programme

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Releasing PinImpacting Rod

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System Integrity Test (SIT)

▌ Highlighted potential teething problems

▌ Client witnessed

▌ Acknowledges individual responsibilities

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Pressure Assisted Mechanical Firing

Head

Dual Threaded Connector

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Pressure Assisted Mechanical Firing

Head

Acoustic Actuator

Rubber Centraliser

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Acoustic Firing Head

Ported Firing Head Carrier

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The Future

▌ DST’s

▌ Multi-zone perforating

▌ Permanent completion

▌ Shoot & Pull

▌ Redundant systems

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