东宇化工

Drilling Fluid Additives
Laboratory (WBM • OBM • SBM)

Rapid formulation, rigorous validation, and clear reporting — across water-, oil-, and synthetic-based mud systems.

What we test

  • HTHP filtration @ 150/180/200 °C
  • AV / PV / YP and 10s/10min gels
  • Brine tolerance & Ca²⁺/Mg²⁺ challenge
  • Mud-cake quality and stability

Capabilities

  • HTHP Filtration

    Cells up to 3.5 MPa ΔP, filtrate volume and cake quality under severe conditions.

  • Rheology

    600/300/200/100/6/3 rpm—derived AV/PV/YP, gel strengths, and pumpability.

  • System Compatibility (WBM/OBM/SBM)

    LV/HV rheology profiles; solids‑control friendly; contamination tolerance and emulsion integrity across water-, oil-, and synthetic-based muds.

  • Shale Recovery

    Rolling-recovery method to quantify inhibition performance where applicable.

Our Laboratories

Curated photos—two dedicated spaces to support fast screening and validation.

In‑house Lab

Joint R&D Lab

Instruments

  • HP/HT Filter Press

    150–200 °C testing with freshwater, brine, saturated brine, and composite brines.

  • Rolling Ovens

    Programmable 16 h aging for stability and performance screening.

  • Fann‑type Viscometers

    Six‑speed rotational readings for rheology profiles and gel strengths.

  • Auxiliary Tools

    Marsh funnel, mud balance, thermostatic bath, hardness/salinity titration.

Workflow

  • 1) Requirement

    Formation, temperature, mud system, KPI and constraints.

  • 2) Plan

    Dosage windows (e.g., 0.3–1.0% or 2.0–5.5 kg/m³), baselines and controls.

  • 3) Validation

    HTHP filtration, rheology, shale‑recovery as needed.

  • 4) Report

    Concise results and recommendations for field application.

COMPANY

HENAN DONGYU CHEMICAL TECHNOLOGY CO., LTD

ROOM 1506, BUILDING A, RISING TIMES, PUYANG CITY, HENAN, CHINA

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  • Email: info@dongyuchemical.com

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