OIL & GAS CHEMICALS / PIPELINE FLOW

Drag reducing agents for pipeline flow

SAC provides drag-reducing-agent solutions for hydrocarbon pipelines, connecting chemical selection, application testing, supply planning and development support around the operating constraint.

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THE OPERATING CHALLENGE

When pressure loss limits the operating plan

Frictional pressure loss can constrain the movement of crude oil and selected refined products. In a suitable turbulent-flow application, a drag reducing agent, or DRA, can reduce that frictional loss. The operating objective matters: assessing pressure at a comparable flow is different from assessing additional throughput. Fluid properties, pipeline hydraulics and the pumping arrangement determine which opportunity is worth investigating.

THE SAC APPROACH

Start with the fluid and the hydraulics

SAC connects the chemical requirement with the pipeline duty. We review the crude or product, temperature range, flow conditions, pressure constraints, injection facilities and downstream acceptance requirements before defining candidate chemistry and a practical supply or development scope.

Evaluation should use representative fluid and relevant conditions. Review injection behaviour and the effect of pumps or other high-shear locations, then establish a documented baseline for a monitored trial. Record pressure, flow, pumping conditions and treatment consumption together so that changes in operation can be distinguished from the chemical response.

This page concerns hydrocarbon pipeline drag reduction. Friction reducers for water-based hydraulic fracturing fluids have a different application context and should be selected against the stimulation programme.

01

Crude oil transport

Assess flow-improvement requirements around the actual crude properties and operating temperature. Changes in crude slate, including heavier blends, belong in the qualification basis.

02

Selected product pipelines

Review the transported product, terminal handling and downstream quality requirements. Suitability is established for the specified service rather than assumed across all fuels.

03

Pressure and throughput evaluation

Define whether the priority is a required delivery rate, a pressure constraint or pumping demand. Compare trial results against that objective and the same documented operating basis.

START THE TECHNICAL DISCUSSION

Make the requirement
clear from the start.

Share the operating basis so SAC can frame a focused evaluation and supply scope.

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  1. Which crude or product is transported, and how does its composition vary?
  2. What are the normal and limiting flow, temperature and pressure conditions?
  3. Where are the pumps, restrictions and available chemical injection points?
  4. What downstream product specifications and compatibility requirements must be met?
  5. What baseline data, trial access and acceptance criteria are available?
What is a pipeline drag reducing agent?

A DRA is a flow improver used to reduce frictional pressure loss in suitable turbulent pipeline flow. Selection depends on the transported fluid and the system; it is an application decision, not a universal treatment.

Will a DRA increase pipeline throughput?

A reduction in frictional pressure loss may create an opportunity to move more fluid, but the outcome also depends on pumping capacity and system constraints. A hydraulic review and controlled comparison are needed before assigning a throughput benefit.

What should I send SAC for an initial discussion?

Share the fluid specification, pipeline layout, operating ranges, pumping arrangement and intended objective. Available samples, historical pressure and flow records, and the required supply schedule help frame the next evaluation step.

Bring us the operating challenge.

Tell us about the fluid, system constraints and required outcome. SAC will use these to define the next technical and commercial discussion.

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