CNRL: people and language
The company was reported to have 9,709 employees in 2021, and average production was about 1.57 million barrels of oil equivalent a day in 2025, indicating a large multi-site workforce.
CNRL · explosion proof
Explosion-Proof Smartphone for CNRL
CNRL is a Calgary-based oil and gas producer, founded in 1973, and is Canada's largest heavy crude oil producer. Canadian Natural is described as the largest producer of heavy crude oil in Canada and the largest independent natural gas producer in Western Canada, so both heavy-oil and gas sites are common. If you are specifying an explosion proof smartphone for CNRL, this page covers the markings, the approvals and the current certification status of the IS-04Z1.
Pre-launch · certification in progress · Launching Q4 2026
Marking targetEx ib IIC T4Intrinsic safety, Zone 1 / 21 design target · certification in progress
AvailabilityQ4 2026via authorised distributors
Search topicexplosion proof
DeviceSmartphone
RouteSpecification
WhereCNRL
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for CNRL: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
For the record, no certificate exists for the IS-04Z1 today. The programme is under way ahead of a Q4 2026 launch. Operator approval runs on its own timeline. Certification status. Place facts reviewed October 2026.
At a glance · explosion proof
Checklist: explosion proof smartphone for CNRL
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Protection concept | Flameproof (Ex d) or intrinsic safety (Ex i) | Intrinsic safety, level ib |
| Zone suitability | Zone 1 gas and Zone 21 dust | Design target for Zone 1 and 21 |
| Certificate | Number, issuing body and schedule of conditions | In progress; not issued |
| Where it applies | CNRL: Oil sands mining and upgrading units, Oil and gas production facilities, Gas processing | Classified by the site operator |
Product · Canada
The product behind this search: the SAMS IS-04Z1.
SAMS IS-04Z1
An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Canada. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
- IP68 sealed
- 4,000 mAh battery
- 50 MP camera
- Android 16
- Zone 1 / Zone 21 design target
The organisation · CNRL
Canadian Natural Resources Limited (CNRL) and the IS-04Z1
Where it operates and the kinds of classified area a handset would meet there.
Sites and areas
- Horizon oil sands (north of Fort McMurray)
- Athabasca Oil Sands Project
- Alberta heavy oil and gas operations
Classified areas
- Oil sands mining and upgrading units
- Oil and gas production facilities
- Gas processing
Supplier approval · CNRL
How suppliers reach CNRL
CNRL uses ISNetworld (ISN) for health, safety and environment qualification; businesses register through the prospective suppliers page, and all contractors must ultimately qualify with ISN to work for CNRL. The Ex certificate and an organisation's own vendor or engineering approval are two separate timelines; SAMS is working towards both and holds neither today.
Field notes · CNRL
More about CNRL that matters for portable equipment
CNRL: industry on the ground
The Horizon Oil Sands project lies about 75 km north of Fort McMurray and includes surface oil sands mining, a bitumen extraction plant and bitumen upgrading, with production starting in early 2009.
CNRL: infrastructure
It owns two operated pipeline systems and an electricity cogeneration facility, and holds a 50% interest in the North West Redwater Partnership, which broadens its hazardous areas to include pipelines and a bitumen refinery.
CNRL: background
Founded in 1973 as AEX Minerals Corporation and renamed in 1975, it grew through acquisitions of Canadian assets, including Anadarko's Canadian operations in 2006 and Devon's conventional assets in 2014.
The term · explosion proof
What “explosion proof” means for a smartphone
“Explosion proof” is the phrase most buyers use for equipment that may be taken into a classified hazardous area. Strictly, it covers several protection concepts: a flameproof enclosure (Ex d) contains an internal explosion, while intrinsic safety (Ex i) limits electrical energy so that an ignition cannot start. Phones are normally intrinsically safe, because a flameproof handset would be too heavy to carry all shift.
The IS-04Z1 uses intrinsic safety, with a marking target of Ex ib IIC T4, and is designed for Zone 1 and Zone 21. It is pre-launch, certification is in progress and no certificate has been issued.
In CNRL. At oil sands mining and upgrading units, 'explosion-proof' in everyday speech covers several concepts. Flameproof Ex d enclosures protect fixed motors and switchgear, while intrinsic safety limits the energy of a handheld. A phone used on upgrader rounds relies on intrinsic safety, which is the route the IS-04Z1 is designed around.
The route · specification
Specifying an explosion proof smartphone for CNRL
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
Check on the paper
- Marking
- Equipment group, category, protection concept, gas group and temperature class, matched to the area drawing.
- Certificate and schedule
- A certificate number, issuing body and the schedule of conditions, not a brochure claim.
- Standards edition
- The IEC 60079 or national standard edition the certificate was issued against.
Check for the IS-04Z1
- Marking target
- II 2 G Ex ib IIC T4: a target, not yet a certificate.
- Certificate status
- IECEx, ATEX, UKEX and NEC 500 in progress; none issued.
- Operator approval
- Separate from the certificate and handled with the site operator.
Questions · CNRL
Frequently asked questions
Can CNRL buy the IS-04Z1 today?
No. Nothing can be bought or taken into a classified area today: certification is in progress and launch is planned for Q4 2026. What is available now is the datasheet, the written certification schedule and evaluation units for safe-area use.
What does an explosion proof smartphone for CNRL cost?
There is no list price yet. SAMS gives indicative pre-launch pricing in writing, against a stated quantity and site, and does not commit to a lead time before certification completes.
Is the IS-04Z1 explosion proof or intrinsically safe?
It is intrinsically safe (marking target Ex ib IIC T4), which is the usual way to make a phone for hazardous areas. It is not a flameproof (Ex d) design, and certification is still in progress.
How does CNRL approve suppliers?
CNRL uses ISNetworld (ISN) for health, safety and environment qualification; businesses register through the prospective suppliers page, and all contractors must ultimately qualify with ISN to work for CNRL.
Is intrinsically safe the same as explosion proof?
Not exactly. Explosion proof is a broad everyday term; intrinsic safety is one protection concept, which limits energy so ignition cannot occur. Flameproof (Ex d) is a different concept that contains an explosion. The IS-04Z1 is intrinsically safe by design.
Which standard applies to hazardous-area phones at Canadian oil sands sites?
Canada uses its own classification and approval system, typically Class, Division or Zone markings accepted through Canadian certification bodies, rather than ATEX alone. Confirm with Canadian Natural and its site electrical authority which certification marks they accept for portable devices before supply.
Where would handheld devices be used on an oil sands upgrader?
Typical Zone 1 or Zone 2 or Division 1 or 2 locations include upgrader process units, hydrocarbon storage, loading areas and pipeline stations, while mine and camp areas are usually non-classified. Zoning is site-specific, so request the area classification drawings from the operator.
How does a business qualify to work for CNRL?
CNRL uses ISNetworld for health, safety and environment qualification. Businesses register through the prospective suppliers page, and all contractors must ultimately qualify with ISN to work for CNRL. Confirm current steps with CNRL. The IS-04Z1 has no certificate yet, so any evaluation unit needs site approval first.
Related guides
Keep exploring
Other guides for CNRL, other places in Canada, and the pages behind them.
ATEX and IECEx Mobile Phone for CNRLSame place, different guide
Intrinsically Safe Mobile Phone Supplier for CNRLSame place, different guide
IECEx Mobile Phone for CNRLSame place, different guide
Explosion-Proof Mobile Phone Supplier for CNRLSame place, different guide
ATEX and IECEx Mobile Phone Supplier for SuncorElsewhere in Canada
Canada market guideCertification route and regulators
All guides for CanadaEvery route we cover
Certification statusWhat is in progress
Enquiry · CNRL
Ask about the IS-04Z1 for CNRL, Canada
Send the site, zone and gas group and roughly how many handsets. We reply by email with the datasheet and the certification schedule.
Enquiry · CNRL
Launching Q4 2026
Planning for CNRL?
Name the site and the operator and we will send what is available before launch.