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  • Users: YEngineer
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  1. YEngineer

    Unloading a low pressure oil well

    At the end of an acid job, I might end up with about 200m of fluid column in tubing. The well is 2900m TVD, there is a tubing extension joint on the way and tubing cannot be swabbed passed this point. I have only some approximate reservoir pressure data and I am afraid that at the end of the...
  2. YEngineer

    Which Equation of State

    I have been asked to calculate maximum H2S release rate from an acid gas injection well. Proposed stream has +/- 40% H2S; 50%CO2 and the rest are HC's. Everything is on paper - no lab data. This work will also include well modeling to predict friction losses under different wellhead injection...
  3. YEngineer

    Gas flow through an Orifice

    I am building an spreadsheet which would calculate the time needed to depressure a gas pipeline. The spreadsheet will calculate the depressurizing time for two scenarios. Scenario 1 - the ppl is depressurized using a pipe with high opening valve. (flow calculations are done using Fisher...
  4. YEngineer

    Help modifying a VBA Code

    The code below calculates the minimal distance in space of between two lines. Points of line 1 have their coordinates x,y,z in columns c,d,b and those of line 2 in columns r,s,q. The minimal value is displayed in a message. I want to change the macro so that each minimal distance for each...
  5. YEngineer

    How to model/evaluate a supposed Horizontal well

    We completed and frac stimulated last month a tight gas well (vertical, ~2200m). The frac sanded off, after ~80t of sand were gone into formation. Initial production 0.6mmscf/d. Well test analysis shows k ~ 0.1mD, S ~ -3.6, reservoir boundaries were not “felt” during the test. Now, management...

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