Petrotrim Services LLC

Established in 2009, Petrotrim Services LLC provides engineering, design, documentation, and technical support services for the oil and gas industry. Backed by over 30 years of industry experience, we specialize in:

• API 6A Pressure-Control Equipment
• API 16A Drilling Well Control Equipment
• API 16C Choke & Kill Systems
• API 17D Subsea Wellhead & Tree Equipment
• Engineering Design & Product Development
• Reverse Engineering & Manufacturing Drawings
• Technical Specifications, Procedures & Quality Documentation
• Design Verification & Engineering Calculations

Petrotrim Services finite element analysis (FEA) showing engineering design verification, mesh devel

API 6A • API 16A • API 16C • Design Services

Petrotrim Services provides complete engineering, design, documentation, and technical support services for pressure-control and subsea equipment. Our design packages are developed in accordance with the latest applicable editions of API, ASME, ASTM, and NACE standards and are tailored to customer requirements, manufacturing capabilities, and project specifications.

Services We Provide

• API 6A Pressure-Control Equipment

Gate valves
Slab gate valves
Expanding gate valves
Check valves
Choke valves
Wellhead equipment
Christmas tree equipment
Flanges and pressure-containing components

• API 16C Choke & Kill Equipment

Choke manifolds
Choke assemblies
Pressure-control components
Skid-mounted process equipment
Flow control equipment

• API 17D Subsea Equipment

Subsea gate valves
Choke valves
Connectors and adapter components
Pressure-containing equipment
Subsea production equipment documentation

• Engineering & Design

New product development
Equipment upgrades and redesigns
Reverse engineering
Legacy drawing conversion
Manufacturing support
Design optimization

• Engineering Calculations

Wall thickness calculations
Pressure containment analysis
Sealing force calculations
Stem thrust calculations
Closure bolting calculations
Flange design verification
Load and stress calculations
Design verification reports

• Finite Element Analysis (FEA)

Pressure loading analysis
Stress analysis
Deflection analysis
Structural verification
Design optimization

• Material Engineering

Material selection and specification
API 6A material class compliance
NACE MR0175 / ISO 15156 reviews
Sour service evaluations
Material equivalency assessments

• Manufacturing Documentation

General arrangement drawings
Manufacturing drawings
Assembly drawings
Exploded views
Bill of Materials (BOM)
Dimensional control drawings
Tolerance and GD&T application

• Quality & Technical Documentation

Product specifications
Material specifications
Inspection & Test Plans (ITPs)
Hydrostatic test procedures
Gas testing procedures
PR2 validation documentation
Engineering procedures
NDE procedures
Product data books

• API Q1 Support

Engineering procedures
Design control documentation
Technical specifications
Manufacturing procedures
Audit support documentation

Engineering & Technical Support Services

Petrotrim Services provides engineering, design, documentation, and technical support for API 6A, API 16C, and API 17D equipment.

Our Capabilities Include:

• Engineering Calculations & Design Verification
• Finite Element Analysis (FEA)
• Manufacturing Drawings & 3D Models
• Material Selection & Specifications
• Reverse Engineering & Product Development
• API Q1 Documentation & Quality Support
• Inspection & Test Plans (ITPs)
• Technical Specifications & Procedures
• Manufacturing & Assembly Documentation
• Customer-Ready Design Packages

Supporting manufacturers, service companies, and operators with practical, manufacturing-ready solutions focused on quality, compliance, and reliability.

Gate Valve, Check Valve & Choke Valve Design Services

Our Design Capabilities Include:

• Manual and Hydraulic Gate Valve Design
• Check Valve Design and Verification
• Choke Valve and Flow Control Equipment Design
• Pressure Ratings up to 20,000 psi
• Sour Service and NACE-Compliant Applications
• High-Temperature and Corrosive Service Conditions
• Tungsten Carbide, Inconel, and Specialty Trim Designs
• API 6A, API 16C, and API 17D Compliance Support

Engineering Deliverables

• Engineering Calculations & Design Verification
• Pressure Containment & Wall Thickness Analysis
• Stem Thrust & Closure Bolting Calculations
• Finite Element Analysis (FEA) When Required
• 3D Models and Manufacturing Drawings
• Assembly Drawings & Bills of Material
• Material Specifications & Technical Documentation
• Inspection & Test Plans (ITPs)

Complete engineering packages developed for manufacturing, customer review, qualification, and production support.