Early access is open. Bring one real project and we will build its breakdown, vocabulary and workflow live in the session. Request a demo →

Throw the switch
A worker in flame-retardant PPE looking up at refinery columns and pipework at dusk.

Oil and gas · Vocabulary configured

Systems and sub-systems.Just not everybody else's.

Cairn speaks systems and sub-systems natively — it simply does not make a housing developer or a studio speak them too. Mechanical completion, pre-commissioning, commissioning and handover run as a gated workflow with punch lists, waivers and certification, on the same engine as every other branch.

Records on this shape

1,200

Generated automatically on registration

Stages
INSTALLED MECH COMPLETE PRE-COMM COMMISSIONED HANDOVER
Destination OIL AND GAS
Level 1 SYSTEM
Level 2 SUB-SYSTEM
Item TAG
Record ITR
Stage STAGE
01 · What it is

Project management with a full audit trail for every item, in one place.

Cairn OS is for work that has to be proven, not just reported. A project is broken down into every individual item it contains. Each item carries the records that prove it reached each stage, and each record carries who signed it and when.

The engine holds no vocabulary of its own. You define what your levels, items, records and stages are called, and every screen, dashboard and export uses your words. That is how one system fits any project shape without being rebuilt for it, and how progress, sign-off and traceability end up in one place rather than three.

In plain words
Item
The smallest thing you track. You decide what it is and what it is called.
Record
The form that proves an item reached a stage. You define its fields and its rules.
Stage
How far along an item is. You define the sequence, and what each stage holds shut.
Roll-up
Completion added up from single items to the whole project, recomputed as records are signed.
Audit trail
Every record, signature and revision, kept immutably and queryable.
02 · The register

Column positions never move. Only what the headers say.

That is the whole argument. Change the vocabulary and every screen, dashboard and export follows, because the shape of the data never depended on the words in the first place.

Live register of tracked items, their records and current status. The column headings change with the project language configured for the project.
Tag Equipment Type Sub-system System ITR Stage Status
23-PT-1042 PRESSURE TX SEPARATION TRAIN A SYS 23 SEPARATION ITR-06 LOOP TEST PRE-COMM SIGNED
44-ESDV-0071 ESD VALVE RISER ESD SYS 44 SAFETY ITR-19 TRIP TEST MECH COMPLETE IN PROGRESS
21-P-3301-A EXPORT PUMP EXPORT TRAIN A SYS 21 EXPORT ITR-15 RUN-IN COMMISSIONED SIGNED
62-XV-2210 BLOWDOWN VALVE FLARE HEADER SYS 62 FLARE ITR-11 FUNCTION INSTALLED OPEN
23-V-1001 SEPARATOR SEPARATION TRAIN A SYS 23 SEPARATION ITR-02 HYDROTEST MECH COMPLETE VERIFIED
44-GD-0118 GAS DETECTOR F&G LOOP 18 SYS 44 SAFETY ITR-08 CALIBRATION PRE-COMM ISSUE

Demonstration data · in oil and gas vocabulary

What this shape gives you

Punch A holds handover shut

Waivers stamped on the certificate

Same engine, no special case

See it on your own project's shape.

Bring one real oil & gas project. In one session we build its breakdown, its vocabulary and its workflow live, and you watch a tag go from registered to signed with the dashboard moving behind it.

Request a demo →

No seats to count during early access · trycairn@cairn-os.com