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oil and gas

3 in-depth engineering guides on oil and gas — specification, selection, testing and procurement.

Everything on oil and gas

Vajra's engineering team has published 3 technical guides covering oil and gas for industrial valve selection, specification, testing and procurement. Browse the full set below.

Choke Valve Guide for Oil & Gas Production: Positive, Adjustable & Trim

The choke valve controls the flow and pressure of a producing well - taking the largest pressure drop in the system through erosion-prone trim. This guide covers choke types, trim selection, erosion control, and the API 6A standard.

2026-06-259

Valve Selection for Oil & Gas Upstream Operations

Upstream oil and gas operations demand the highest valve reliability - wellhead blowouts and pipeline failures are catastrophic. This guide covers Christmas tree configurations, NACE sour service requirements, fire-safe testing, and the API 6D compliance framework for upstream valve procurement.

2026-05-179

Valve Actuators for Oil & Gas in Oman and the Middle East: Selection Guide

Valve actuators for Oman and Gulf region oil & gas projects face unique selection challenges - extreme ambient temperatures (up to 55°C), remote locations with unreliable instrument air, ADNOC/PDO/OQ company specifications, and offshore/onshore corrosive environments. This guide covers actuator type selection, sizing, fail-safe logic, and Middle East project-specific requirements.

2026-04-2710

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Reviewed by Engineering Editorial Team, Vajra Industrial SolutionsDiscipline: Industrial Valve Engineering ContentLast reviewed: 20 June 2026

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