مانا بترو
DR-15متقدمةالموجة 3المجالالذكاء الاصطناعي

دعم الحفر بالضغط المُدار

في جملة واحدة

Helps hold bottom-hole pressure inside a narrow window by predicting what the choke needs to do before the transient arrives.

المشكلة

Managed pressure drilling is chosen precisely where the mud-weight window is too narrow for conventional drilling. Connections, pump ramps and trips are exactly when the window is hardest to hold.

Reactive choke control always lags the transient it is responding to.

كيف تعمل

A transient hydraulic model is run ahead of real time, predicting annular pressure response to the scheduled operation — connection, pump ramp, trip — and issuing a feed-forward choke setpoint. Measured response continuously re-tunes the model’s friction and compressibility parameters.

Integration with the MPD control system is supervisory and vendor-specific; the safety interlocks remain entirely with the MPD vendor’s own system.

البيانات المطلوبة

  • MPD system telemetry: choke position, back-pressure, flow-out
  • Downhole pressure from PWD where available
  • Rig hydraulics data and mud compressibility characterisation
  • Operational schedule from the rig activity feed

ما الذي تحصل عليه

  • Feed-forward choke setpoint and predicted bottom-hole pressure trace
  • Connection and trip pressure-management plan
  • Window-excursion log with cause attribution

ما لا تستطيع فعله

This is frontier and it is supervisory only. It never takes control authority from the MPD vendor’s safety system. Transient model accuracy degrades sharply in gas-influx conditions and with oil-based mud at high temperature, where compressibility is poorly characterised, and in those conditions the system reverts to advisory display.

كل صفحة قدرة تذكر حداً حقيقياً. إن لم يستطع المورّد إخبارك أين يتوقف منتجه، فلم يُقل لك الحق عن أين يبدأ.

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