Environment
Fields are remote, with heat in West Texas and cold winters in North Dakota.
The Permian Basin alone is about 250 miles wide and 300 miles long, which shows how widely shale activity is spread. Zone 1 work arises at drilling rigs, wellsites, tank batteries, compressor stations and gas gathering. If you are specifying a rugged 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
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.
Where things stand: the IS-04Z1 has not launched, and none of its four certification routes has produced a certificate yet. An operator's own vendor approval is a separate step. Certification status. Place facts reviewed October 2026.
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Ingress protection | IP65 to IP68 sealing | IP68 design |
| Drop and shock | A stated drop height onto concrete | Specification on request |
| Explosion protection | A separate certificate and marking | In progress; not issued |
| Where it applies | US shale oil operations: Drilling rigs, Wellsites and tank batteries, Compressor stations | Classified by the site operator |

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.
Who operates there and which kinds of classified area a handset would meet, from the SAMS site research.
Fields are remote, with heat in West Texas and cold winters in North Dakota.
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.
About two thirds of the world's active drilling rigs are in the United States and Canada, and many independent operators and contractors have shale expertise, so crews and service firms are plentiful.
Tight oil formations in the United States include the Bakken, Niobrara, Barnett and Eagle Ford shales, spread across several states and climates.
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.
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.
A rugged phone is built to survive water, dust, drops and rough handling, usually rated by an IP code and a drop specification. Ruggedness is an environmental property: it says nothing about whether a phone may be used where flammable gas or dust is present. That is decided by explosion-protection certification and marking.
The IS-04Z1 combines both: an IP68 sealed rugged build and a design for Zone 1 and Zone 21 (marking target Ex ib IIC T4). The explosion-protection certificates are in progress and none has been issued.
In US shale oil operations. Fields are remote, with heat in West Texas and cold winters in North Dakota. That spread makes ruggedness and battery care practical concerns. IP68 sealing helps against dust and water, but it is not explosion protection; that comes from the Ex marking still being certified for the IS-04Z1.
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
Not yet. The IS-04Z1 is pre-launch and its certification is still in progress ahead of a Q4 2026 launch. No unit goes into a classified area before the certificate covering it exists. The datasheet, the certification schedule and safe-area evaluation units are available now.
No price is published. While certification is in progress there is no list price and no committed lead time, and a supplier quoting a firm figure for an uncertified Ex handset is promising something it cannot stand behind. Indicative pre-launch pricing is issued in writing against a stated quantity and site.
It is designed to IP68 sealing, with glove-friendly controls. Ruggedness is not explosion protection: that depends on the certificates, which are in progress.
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.
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.
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.
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.
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 for US Shale Oil Operations and for 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.
Name the site and the operator and we will send what is available before launch.