Cells up to 3.5 MPa ΔP, filtrate volume and cake quality under severe conditions.
600/300/200/100/6/3 rpm—derived AV/PV/YP, gel strengths, and pumpability.
LV/HV rheology profiles; solids‑control friendly; contamination tolerance and emulsion integrity across water-, oil-, and synthetic-based muds.
Rolling-recovery method to quantify inhibition performance where applicable.
Curated photos—two dedicated spaces to support fast screening and validation.












150–200 °C testing with freshwater, brine, saturated brine, and composite brines.
Programmable 16 h aging for stability and performance screening.
Six‑speed rotational readings for rheology profiles and gel strengths.
Marsh funnel, mud balance, thermostatic bath, hardness/salinity titration.
Formation, temperature, mud system, KPI and constraints.
Dosage windows (e.g., 0.3–1.0% or 2.0–5.5 kg/m³), baselines and controls.
HTHP filtration, rheology, shale‑recovery as needed.
Concise results and recommendations for field application.
HENAN DONGYU CHEMICAL TECHNOLOGY CO., LTD
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