Intelligence Production Software

WellExpert

WellExpert Design

Intelligent Well Production Simulation & Design System


Overview

WellExpert Design is intelligent simulation and design software of well production system, which could be easy to build suitable well production model using measured data based on accurate PVT, IPR, TPC, and pressure and temperature models, and which could be used to simulate well performance of whole production system and each parts in order to analyze influence factor of well production, evaluate well potential, optimize well operation parameter in time for safety and high efficiency production.


Key Features

  • Universal well model: any well type, any well trajectory, any fluid model.
  • Any well type: oil producer, gas producer, water injector, gas injector and steam injector.
  • Any well trajectory: vertical well, horizontal well, multi-lateral well, extended reach well.
  • Any fluid model: black oil, dry gas, gas-condensate.
  • Universal nodal analysis model for any lifting method: natural flow, gas lift, rod pump, ESP, PCP, jet pump etc.
  • Accurate model of PVT, IPR, TPC, and pressure and temperature.
  • Well performance simulation using system analysis technique.
  • Lifting method selection and optimization by batch processing under specified condition.
  • Pre and post data processing for easy use.
  • Multi-unit system.
  • Built-in equipment database.

Key Functions

  1. Well production system modeling
    • PVT modeling: auto-matching and auto-correcting using measured data.
    • IPR modeling:
      • Vertical well, horizontal well, multi-lateral well, extended reach well.
      • Low-permeability, fractured well and multi-layer.
    • Wellbore pressure profile modeling.
    • Wellbore temperature profile modeling.
    • Safety modeling: critical liquid-carrying model, impinging erosion model, hydrate generation model.
  2. Well production system analyzing
    • Well inflow performance forecasting by matched IPR model under specified pressure and water-cut.
    • Well outflow performance forecasting by matched TPC model under specified equipment type and water-cut.
    • Wellbore pressure and temperature profile forecasting under specified production rate, water-cut, tubing size, equipment type, and calculating pressure loss, flow rate, flow regime, liquid holdup, impinging erosion, liquid-carrying and hydrate generation.
    • Nodal analyzing: sensitivity analysis and operation parameter optimization.
    • Safety analyzing:
      • Liquid loading in gas well: critical liquid-carrying, liquid height and volume.
      • Hydrate generation: diagram method, statistical thermodynamics, Ponomarev.
      • Well trajectory and equipment depth analysis.
      • Rod string stress check.
  3. Well production system design
    • Rod pump design: stroke, pumping speed, pump depth, pump size, rod string assemblage, beam pumping unit type and motor type.
    • ESP design: pump type, stage, pump depth, motor power, electricity, voltage, pump lift.
    • Gas lift design: gas injection rate, injection pressure, distribution of gas lift valve, valve size.
    • Plunger gas lift design: cycle gas injection volume(vent gas volume), cycle water production, casing pressure (maximum, minimum, average), cycle number (time setting of open well and close well).
    • Foam drainage design: foaming agent volume optimization.
    • Jet pump design: operation pressure of surface pump, surface injection liquid rate, surface pump power, jet size, throat size, pump depth and pump efficiency.
    • Tubing size optimization: considering critical liquid-carrying and impinging erosion.
    • Downhole choke design: choke depth, choke size, hydrate-prevent design in gas well.
    • Hydrate prevent: optimizing inhibitor type and consumption, forecasting critical pressure and temperature of hydrate generation.