NACE MR0175 Sour-Service Eligibility Checker

Home
Drilling Tools
- Drilling tools
  
  Drilling Tools Manufacturing Routes
  
  Full drilling, fishing, bit and cementing routes organized by tool family and well program needs.
  
  L1-01
  
  Downhole Drilling ToolsBlog insightDownhole Drilling Tools Guide
  
  Drilling Stabilizer Roller Reamer Hole Opener Drilling Mud Motor Drilling Jars Heavy Weight Drill Pipe Drill Collar Drill Pipe
  
  Send RFQ
  
  API / ISOMTCTraceability
  
  L1-03
  
  Cementing Tools
  
  Casing Centralizer Float Shoe, Float Collar & Guide Shoe Cement Head
  
  L1-04
  
  Drill Bits (Tricone & PDC)
  
  Tricone Drill Bit PDC Drill Bit
  
  L1-07
  
  Fishing & Milling Tools
  
  Overshot & Junk Basket Junk Mill & Taper Mill Casing Scraper Fishing Jar (Super / Hydraulic)Bumper Sub Drill Pipe Screen Die Collar
Well Control
- Well control
  
  Well Control & Hose Systems
  
  Pressure-control hardware and flexible service lines grouped for API 6A, 16A and 16C sourcing.
  
  L1-02
  
  Wellhead & Well Control
  
  Casing Head & Tubing Head Blowout Preventer (BOP)Wellhead Christmas Tree Choke & Kill Manifold
  
  Send RFQ
  
  API / ISOMTCTraceability
  
  L1-09
  
  Oilfield Hoses
  
  Drilling Hose BOP Hose Choke & Kill Hose
Casting Division
- Casting division
  
  Casting Division & Forged Parts
  
  Mill rolls and forged shafts grouped for material grade, heat treatment and route review.
  
  L1-05
  
  Mill Rolls (Casting Division)
  
  Work Roll
  
  Send RFQ
  
  API / ISOMTCTraceability
  
  L1-06
  
  Industrial Forgings (Casting Division)
  
  Forged Shafts
Rig Floor
- Rig floor
  
  Rig Floor Handling & Torque Route
  
  Tongs, bucking units, slips, bails and elevators organized for rig-floor load and handling decisions.
  
  L1-08
  
  Pipe Handling Tools
  
  Lifting Bail Casing, Tubing & Drill Pipe Elevators Casing Slip
  
  Send RFQ
  
  API / ISOMTCTraceability
  
  L1-10
  
  Oilfield Tong & Bucking Unit
  
  Bucking Unit Power Tong Manual Tong
Tools
- Tools
  
  Engineering Tools & RFQ Checkers
  
  Selection tools from your final structure, arranged by drilling, well control, rig floor, rolls and forgings.
  
  Selection brief
  
  Prepare A Cleaner RFQ
  
  Use the right checker before sending pressure class, drawing, OD, grade, route and inspection requirements.
  
  Blog insightSpecification Tool Articles
  
  Contact Us Get Quote
  
  Send RFQ
  
  API / ISOMTCTraceability
  
  spec control
  
  General Checkers
  
  Specification Envelope Checker API / ISO Specification Finder
  
  project fit
  
  Oilfield Selectors
  
  Tool Family Selector RFQ Completeness Checker API 6A / NACE Material Class Selector
  
  manufacturing
  
  Shop Route Tools
  
  Oilfield Tong Selector Pipe Handling Tool Selector Grade Selection Calculator Forging Route Selector
Resources
- Blog
- About Us
- Contact Us

BOP Engineering Tools

NACE MR0175 Sour-Service Eligibility Checker

Enter your well’s total system pressure and H2S concentration to check whether your BOP order needs the NACE MR0175 (ISO 15156) sour-service material option — using the same 0.05 psia partial-pressure threshold referenced in the Certifications section above.

0.05 psia Standard Threshold

≤ 22 HRC Hardness Limit

Total System Pressure (psia)

H2S Concentration (ppm, mole basis)

Free water is present in the produced fluid