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Session 12 Aug 5 2020 Net Torque Acting on a Pumping Unit Gearbox

Session 12:  There are three Methods to determine the net torque loadings on a pumping unit’s gearbox. Field cases of applying all three methods are presented along with the pros and cons of using each method. 1. Use input motor power, motor and drive efficiencies and the pumping unit speed. 2. Use surface dynamometer card and torque factors together with counterbalance moments determined from static counter balance effect, CBE, test. 3. Use surface dynamometer card and torque factors together with counterbalance moments from the crank and weights.

   PDF Documentation Bundle       TAM Data Set       Q&A

Session 11 July 29 2020 Shut-In Fluid Levels Part 2 

Session 11: The discussion continues on the benefits of shooting fluid levels on shut-in wells, SBHP calculations on gas wells, and why the SBHP is important to better understand a well’s performance and producing conditions. Emphasis on SBHP of flowing wells, gas wells, gaslift wells, plunger lift wells. Presented by Dieter Becker, Dr. Tony Podio, and Gustavo Fernandez. 

   PDF Documentation Bundle       TAM Data Set       Q&A

Session 10 July 22 2020 Liquid Level Workshop

Session 10: During this Liquid Level Workshop, we discuss recommendations for quality data acquisition, the three methods for depth determination (Automatic Collar Count, Downhole Markers, Acoustic Velocity), followed by what to look for when analyzing a shot using the examples in our downloadable Liquid Level Workbook and TAM data sets. Practical application of liquid level analysis techniques will be demonstrated. Presented by Lynn Rowlan, Tony Podio, Carrie-Anne Taylor and Gustavo Fernandez

   PDF Documentation Bundle       LL Workbook and TAM Data       Q&A

 

Session 9 July 15 2020 Dynamometer Workshop

Session 9: Dynamometer acquisition using the Polished Rod Transducer (PRT) and the Horseshoe Load Cell is discussed. An understanding of how to know when quality data is acquired is the first essential step in quality data analysis. Following the acquisition discussion, several dynamometer cards and data sets are presented using the Dynamometer Workbook and data sets below. Practical application of the analysis information covered in past Ask Echometer sessions will be demonstrated. Presented by Lynn Rowlan, Tony Podio, Carrie-Anne Taylor and Gustavo Fernandez. 

   PDF Documentation Bundle       DYN Workbook and TAM Data       Q&A

 

Session 8 July 8 2020 Troubleshoot and Analyze Sucker Rod Wells Using Reference Load Lines and Pressure Annotations

Session 8 Pump cards have three load reference lines 1) Zero Load line, 2) Fluid Load line from Fluid Level, Fo, calculated using the pump intake pressure determined from an acoustic Fluid Level measurement, and 3) Maximum Fluid Load, Fo max, line calculated by setting the pump intake pressure equal to zero. Certain downhole pump problems can be recognized based on the location of the pump card loads with respect to the three load reference lines. When there is no apparent pump action the load value of the flat pump card can be used to determine if there is 1) a shallow rod part, 2) a deep rod part or traveling valve, TV, is stuck open, 3) Tubing is dry of well fluids, 4) the standing valve, SV, is stuck open or 5) the SV is stuck closed with no fluid is entering the pump. Typical pump card loads plot near zero load line on the down stroke and the loads plot near Fo from Fluid Level load line on the upstroke.  Presented by  Lynn Rowlan.

   PDF Documentation Bundle       TAM Example Files       Q&A

 

Session 7 July 1 2020 Acoustic Fluid Levels to Analyze and Troubleshoot Gas Wells

Session 7 Examples of acoustic tests are presented, where the test are performed on shut-in or flowing above or below critical flow rate gas wells with or without surfactant treatments acquired down the tubing or the tubing/casing annulus.  Techniques for acoustic liquid level analysis are discussed for gas wells where unusual conditions exist such as very shallow liquid levels, very deep liquid levels, noisy wells, high bottomhole temperature, and low or high surface pressures. Presented by  Lynn Rowlan.

   PDF and Excel Documentation Bundle       TAM Example Files       Q&A

 

Session 6 June 24 2020 How Much Liquid Does My Sucker Rod Pump Pump?

Session 6 Lynn explains how gas interference and pump slippage is used to adjust the effective plunger stroke to deterine the amount of stock tank liquid contained in one pump stroke.  Presented by  Lynn Rowlan.

   Presentation PDF     TAM Examples and Documentation Bundle   Q&A 

 

Session 5 June 17 2020 Acoustic Techniques for Gas-Lift Wells

Session 5 presents benefits of shooting fluid levels on gas-lift wells, analyzing gas-lift fluid level shots, tips for difficult fluid level shots with multiple reflections, and an introduction to the Dual Shot method for identifying leaky gas-lift and check valves. Presented by Carrie-Anne Taylor and Lynn Rowlan.

   Presentation PDF     Download TAM Example Files

 

Session 4 June 10 2020 Fluid Levels on Shut-In Wells in Today's Environment - Part 1

Session 4 presents the benefits of shooting fluid levels on shut-in wells to obtain SBHP (static bottomhole pressures). Presented by Dieter Becker, Dr. Tony Podio and Gustavo Fernandez. 

   Presentation PDF     Download TAM Example Files

 

Session 3 June 3 2020 Introduction to Plunger Lift

Session 3 introduces the concept of plunger lift, shows how to track plungers, use data collected to identify problems, and reviews plunger lift data acquisition. Presented by Lynn Rowlan.

   Presentation PDF     Download TAM Example Files

 

Session 2 May 27 2020 Examples of Forces NOT Accounted for by the Wave Equation

Session 2 we discuss analyzing dynamometer data that shows different types of Mechanical Friction. Presented by Lynn Rowlan.

 

Presentation PDF     Download TAM Example Files

 

 

Session 1 May 20 2020 Direction of Kick on Acoustic Traces

Session 1 covers interpreting an acoustic trace, understanding the direction of kick, finding holes in tubing, and different analysis methods for determining an accurate distance to the liquid level. Presented by Lynn Rowlan.

  Presentation PDF    Download TAM Example File

 

 

 

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