ePCT Electro-Plasma Cutting Tool
Overview
The ePCT Electro-Plasma Cutting Tool is a revolutionary non-explosive downhole severing system designed to cut tubing, casing, drill pipe, and coiled tubing in a single trip. Unlike traditional chemical cutters or explosive charges, the ePCT utilizes a patented plasma-generating nozzle and a proprietary mixture of powdered metals to create highly energized jets of plasma that sever tubulars cleanly and safely .
Deployable on electric line (E-line) or slickline, the ePCT requires no hazardous explosives, no dangerous chemicals, and no radioactive sources. The tool is ignited via a secure electronic firing system, producing a controlled plasma stream that cuts through virtually any pipe material—including carbon steel, chrome, and corrosion-resistant alloys—in even the most challenging well environments .
By eliminating explosives and hazardous materials, the ePCT can be shipped globally within 24 hours without the regulatory delays associated with gunpowder or shaped charges, saving significant operational time and cost while maintaining full compliance with safety regulations .
Key Features & Benefits
1. Non-Explosive, Non-Hazardous Operation
Feature: Utilizes thermal plasma generated from powdered metals rather than chemical explosives or shaped charges.
Benefit: Eliminates the need for explosive transportation permits, magazine storage, and specialized handling certifications. The tool is classified as non-hazardous, enabling rapid mobilization and reducing logistical complexity and cost .
2. Exceptional Cutting Capability
Feature: Produces jets of highly energized plasma that sever virtually any type of pipe material, including high-alloy steels and corrosion-resistant grades.
Benefit: Cuts through tubing, casing, drill pipe, and coiled tubing up to 5 inches in diameter with a single activation. The plasma jet is effective regardless of wall thickness or metallurgy, ensuring a successful sever in diverse well completions .
3. Minimal Wellbore Impact
Feature: The plasma energy is focused directionally through a precision nozzle; no overpressurization of the wellbore.
Benefit: Unlike explosive cutters that can damage surrounding casing or cement, the ePCT delivers a clean, localized cut without shocking or deforming adjacent tubulars, preserving wellbore integrity for subsequent operations .
5. Rapid Global Mobilization
Feature: Non-HazMat classification allows for standard air freight shipping without special handling declarations.
Benefit: Tools can be dispatched to any location worldwide within 24 hours of request, drastically reducing rig waiting time and associated spread costs .
6. Integrated Safety Systems
Feature: Compatible with support tools including the Generator Safety Sleeve (GSS) and Remote Firing Mechanism (RFM) .
Benefit: The GSS safely dissipates thermal generator energy in the event of surface activation error, while the RFM provides secure data logging and firing authorization, ensuring operator safety at all times .
7. Through-Restriction Deployment
Feature: Available in slim-hole configurations with tool OD as small as 1.5 inches.
Benefit: Can be run through restrictions and nipples to reach cutting depths below complex completions, eliminating the need for additional intervention trips to clear the wellbore .
Applications
Tubular Severing & Recovery: Cutting tubing, casing, or drill pipe for section milling, platform abandonment, or pipe recovery operations.
Coiled Tubing Cutting: Severing stuck coiled tubing strings in live wells without explosives.
Well Abandonment & P&A: Providing a clean, reliable cut for permanent plug and abandonment programs.
Conductor Pipe Cutting: Offshore platform removal where large-diameter conductors must be severed below the mudline.
Emergency Intervention: Rapid response for stuck pipe or fishing operations requiring immediate cutting capability.
Technical Specifications (Highlights)
| Parameter | Specification |
|---|---|
| Cutting Capacity | Up to 5″ casing (larger custom sizes available) |
| Tool OD | 1.5″ to 7″ (depending on pipe size) |
| Temperature Rating | Up to 500°F (260°C) |
| Pressure Rating | Up to 20,000 psi (137.9 MPa) |
| Deployment Methods | Electric Line (E-line), Slickline |
| Pipe Materials | Carbon steel, stainless steel, chrome alloys, Hastelloy |
| Ignition System | Remote Firing Mechanism (RFM) with data logging |
| Safety Devices | Generator Safety Sleeve (GSS) |
Advantages Over Conventional Methods
| Challenge | Explosive/Conventional Cutters | ePCT Plasma Cutter |
|---|---|---|
| Logistics | HazMat shipping; permits; delays | Standard freight; 24-hour dispatch |
| Safety | Explosive handling risk; shock damage | Non-explosive; no overpressure |
| Metallurgy Limits | May fail on high-alloy/exotic metals | Cuts virtually any material |
| Wellbore Impact | Can deform or crack adjacent casing | Clean, localized cut |
| Deployment | Often requires large clearances | Slim-hole options to 1.5″ OD |
SEO Keywords
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Secondary Keywords:
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Technical Keywords:
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Tool OD
in / mmRecommnded Use Pressure
psi / Mpa.314in
19mmCoiled Tubing to 1.5in All weights 10,000 psi
69 Mpa7/8in
22.2mm1.50 to 1.75in Coiled Tubing All weights 10,000 psi
69 Mpa1in
25.4mm1.75 to 2in Coiled Tubing All weights 10,000 psi
69 Mpa1-3/8in
34.90mm2 3/8in tubing 4.7 to 5.95 lb/ft 10,000 psi
69 Mpa1-1/2in
38.1mm2 7/8in drillpipe 4.7 to 11.70 lb/ft 10,000 psi
69 Mpa1-3/4in
44.45mm3 1/2 drillpipe all weights 10,000 psi
69 Mpa2in
50.8mm3 1/2in drillpipe 9.3 to 16.80 lb/ft 10,000 psi
69 Mpa3 3/8in
85.73mm5in drillpipe 11.50 to 24lb/ft 10,000 psi
69 Mpa4in
101.6mm3 1/2in drillpipe 9.3 to 16.80 lb/ft 10,000 psi
69 Mpa5in
127mm5 1/2in drillpipe 14 to 26 lb/ft 10,000 psi
69 Mpa





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