A NEW WELL INTEGRITY
VERIFICATION METHOD FOR
PERMANENT PLUG AND ABANDONMENT

Enabler for
new plugging
solutions

Potential to implement
and verify new
alterative lower cost
plugging methods e.g.
PWC, Bismuth,
thermite, etc.

Unambiguous
result

1000+ times more
sensitive than today's
method.

Easy to use

Can be easily programmed by
anyone on rigfloor

Mature technology,
using tracer gas detection
principle

Robust downole design, using well
known building blocks, with
built in redundancy

Low cost

No change in work pocedures,
no extra rigtime

Versatile method

- Can be adopted to most plugging
solutions and geometries.

- Leak flow rate estimation.

NORSOK

Integrity verification performed according
to NORSOKD-010 preferred method.

Enabler for
new plugging
solutions

Potential to implement
and verify new
alterative lower cost
plugging methods e.g.
PWC, Bismuth,
thermite, etc.

Unambiguous
result

1000+ times more
sensitive than today's
method.

Easy to use

Can be easily
programmed by
anyone on rigfloor

A Joint Industy Project

In collaboration with
Equinor and ConocoPhillips.
Supported by Innovation Norway.

Low cost

No change in work
pocedures, no extra rigtime

Versatile method

- Can be adopted to
most plugging solutions
and geometries.

- Leak flow rate estimation.

NORSOK

integrity verification
performed according to
NORSOKD-010
preferred method.

Mature technology,
using tracer
gas detection
principle

Robust downole design,
using well known
building blocks, with
built in redundancy

ETV enters into a LOOP agreement with Exedra

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Skal forhindre lekkasjer fra forlatte oljebrønner

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Over 3000 Norwegian wells will be plugged in the decades ahead.

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