Environment
Fields are remote, with heat in West Texas and cold winters in North Dakota.
US Shale Oil Operations · IECEx
IECEx Mobile Phone in US Shale Oil Operations
Tight reservoirs typically need roughly 15 to 20 percent natural gas in the pore space to drive the oil, so oil wells commonly come with associated gas to handle. Zone 1 work arises at drilling rigs, wellsites, tank batteries, compressor stations and gas gathering. If you are specifying an IECEx mobile phone for US shale oil operations, 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 topicIECEx
DeviceMobile Phone
RouteSpecification
WhereUS Shale Oil Operations
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for US shale oil operations: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
Status: pre-launch. IECEx, ATEX, UKEX and NEC 500 certification is in progress and no certificate has been issued; launch is planned for Q4 2026. Operator approval runs on its own timeline. Certification status. Place facts reviewed October 2026.
At a glance · IECEx
Checklist: IECEx mobile phone for US shale oil operations
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Certificate of conformity | Number checkable on the IECEx online register | In progress; not issued |
| Standards edition | The IEC 60079 edition the certificate cites | Stated on the certificate when issued |
| Schedule of conditions | Limits of use, batteries and accessories | Published with the certificate |
| Where it applies | US shale oil operations: Drilling rigs, Wellsites and tank batteries, Compressor stations | Classified by the site operator |
Product · US Shale Oil Operations
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 US Shale Oil Operations. 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 site · US shale oil operations
US shale oil operations at a glance: who is there, what is classified
A short profile of the site and the kinds of classified area that matter for portable equipment.
Operators and companies on site
- Chevron
- Diamondback Energy
- ExxonMobil
- Chord Energy
Classified areas to expect
- Drilling rigs
- Wellsites and tank batteries
- Compressor stations
- Gas gathering and processing
Local conditions · US shale oil operations
Conditions in US shale oil operations that affect handheld equipment
Permian
The Permian is the highest-producing US oil field, at 4.2 million barrels a day in 2019, with Midland-based Diamondback among its operators.
Field notes · US shale oil operations
More about US shale oil operations that matters for portable equipment
US shale oil operations: geography and layout
Tight oil formations in the United States include the Bakken, Niobrara, Barnett and Eagle Ford shales, spread across several states and climates.
US shale oil operations: projects and investment
Tight oil is light crude held in low-permeability formations and is produced with hydraulic fracturing and horizontal wells; at least 4,000 new shale wells came online in 2012 alone.
US shale oil operations: rules and approvals
Private ownership of subsurface mineral rights in the United States makes it easier to lease land for drilling, which has encouraged a large number of independent operators.
US shale oil operations: industry on the ground
The Permian, Eagle Ford and Bakken together produced about 93 percent of US tight oil in 2023, and US output reached 13.2 million barrels a day.
The term · IECEx
What “IECEx” means for a smartphone
IECEx is the international scheme for certifying equipment used in explosive atmospheres. A certificate of conformity is issued by an accredited certification body against a specific edition of the IEC 60079 standards and carries a schedule of conditions of safe use. It is not a legal requirement in most countries on its own, but many national schemes accept it as the technical basis.
The IECEx certificate for the IS-04Z1 is in progress and has not been issued. The marking target is Ex ib IIC T4, the intrinsic safety concept for Zone 1 gas with the hardest gas group (IIC) and a 135 °C temperature class.
In US shale oil operations. Shale operators and service companies with global operations may use IECEx records in other regions. For them a certificate of conformity and schedule of conditions would be the reference documents. For the IS-04Z1, IECEx is a target, and nothing has been issued while the product is pre-launch.
The route · specification
Specifying an IECEx mobile phone for US Shale Oil Operations
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 · US Shale Oil Operations
Frequently asked questions
Can we buy an IECEx mobile phone in US Shale Oil Operations 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 IECEx mobile phone in US Shale Oil Operations cost?
SAMS has not published a price. Any figure you are offered for an uncertified Ex phone should be treated with caution; written indicative pricing is available for a defined quantity and site.
Does the IS-04Z1 hold an IECEx certificate?
No. The IECEx certificate is in progress and has not been issued. SAMS will publish the number when it exists.
Which areas at US shale oil operations would use it?
Likely candidates are drilling rigs, wellsites and tank batteries, compressor stations, gas gathering and processing. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
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 shale basins matter most for handset demand?
The Permian dominates, followed by the Eagle Ford and Bakken, which together made up about 93 percent of US tight oil in 2023. Each has a different climate, from hot and dusty West Texas to very cold North Dakota.
Why does the shale industry change demand so quickly?
Activity follows oil prices and drilling schedules, with many independent operators adjusting programs quickly. Suppliers usually need flexible stock and fast service, and buyers should agree lead times in advance.
Do Permian and Bakken operators apply the same equipment rules?
Not necessarily. Producers and field service contractors generally set their own equipment requirements, and the states have separate regulators for oil and gas. The IS-04Z1 has no certificate yet. Confirm requirements with the site operator in each basin.
Related guides
Keep exploring
More on US Shale Oil Operations, and on other places in United States.
Ex-Proof Mobile Phone in US Shale Oil OperationsSame place, different guide
ATEX and IECEx Mobile Phone Distributor in US Shale Oil OperationsSame place, different guide
Intrinsically Safe Mobile Phone in US Shale Oil OperationsSame place, different guide
Hazardous Area Mobile Phone in US Shale Oil OperationsSame place, different guide
Industrial Mobile Phone Distributor in US Shale Oil OperationsSame place, different guide
Explosion-Proof Mobile Phone in US Shale Oil OperationsSame place, different guide
ATEX and IECEx Mobile Phone Distributor in Permian BasinElsewhere in United States
ATEX and IECEx Mobile Phone Distributor in North Dakota BakkenElsewhere in United States
ATEX and IECEx Mobile Phone Distributor in Baytown RefineryElsewhere in United States
ATEX and IECEx Mobile Phone Distributor in Texas Oil FieldsElsewhere in United States
United States market guideCertification route and regulators
All guides for United StatesEvery route we cover
Certification statusWhat is in progress
Enquiry · US shale oil operations
Ask about the IS-04Z1 for US shale oil operations, United States
Tell us what you need to equip and where. The SAMS team answers by email with the datasheet and where each certification route stands.
Enquiry · US shale oil operations
Launching Q4 2026
Planning for US Shale Oil Operations?
Send the zone and gas group of your site and we will reply with the datasheet and schedule.