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Fundamentals of Rod Pumping with Dynagraph Interpretation, and Introduction to Sucker Rod Pumping System Design using SROD
Welcome
READ THIS BEFORE BEGINNING THE COURSE!
About the instructor
Course Outline - What to expect in this course
Review of Basic Concepts
Force, pressure, and area (8:42)
Work and power (8:13)
Example: A sneak peak at bench pressing, pump intake pressure, and downhole cards (9:41)
Torque (6:01)
Pressure gradients and specific gravity (16:09)
Facts about oil, gas, and water (10:56)
Example: Importance of tubing head pressure in gas lift (4:22)
Class exercise #1 (9:59)
Class exercise #2 (14:40)
Tubulars
Tubulars (24:21)
Inflow performance relationships
Inflow Performance Relationships (30:16)
Class Exercise #3 (3:50)
Pumping Units, the SAM, and the Surface Dynagraph Card
Pumping units and the SAM Rod Pump Controller (22:48)
The utility of the surface dynagraph card (15:17)
All About Pumping Units
Pumping units (28:28)
Pumping unit types (36:22)
Permissible load diagrams (49:08)
Class Exercise #4 (3:42)
Class Exercise #5 (3:07)
Class Exercise #6 (3:27)
Prime Movers
Prime movers introduction (3:11)
Gas engines (3:00)
Electric motors – characteristics and behavior (17:58)
Electric motors – electrical loading (8:42)
Electric motors – mechanical loading (2:34)
Electric motors – a fun introduction to power factor and regenerative energy (10:59)
Class Exercise #7 (8:14)
Sucker Rods
Sucker rods introduction and demonstration (19:19)
Steel rods (18:25)
Fiberglass rods (5:28)
Class Exercise #8 (8:27)
Downhole Pumps
Downhole pumps introduction (16:27)
Class Exercise #9 (12:57)
Quick Runtime Optimization Procedure (2:14)
Right of Passage (16:51)
Surface and Pump Dynagraph Interpretation
Evolution of the downhole dynagraph card (9:35)
Understanding rod string stretch (11:40)
Buoyancy, buckling, and fluid load (15:17)
The four corners of the downhole card (9:44)
The effect of different pump diameters (8:32)
The effect of different pump intake pressures (7:00)
The effect of different tubing head pressures (5:35)
The 12 basic pump cards (28:00)
Advanced Dynagraph Interpretation
Detailed analysis – gas interference and gas expansion (15:40)
Detailed analysis – travelling valve leakage/slippage (14:36)
Detailed analysis – standing valve leakage (10:20)
A quick look – Pump leakage and tubing movement (4:42)
Flat line cards (6:48)
Incorrect reference revolutions in SAM – too high (7:57)
Delayed traveling valve closure, split pump barrel, and bent barrel/sticking pump (9:04)
A closer look – split pump barrel (4:16)
Tagging pump (11:48)
Incorrect data (11:10)
Viscous (damping) friction (13:36)
Coulomb (drag) friction (20:07)
Conclusion
Well weighing - A lost art?
Well weigher story (4:33)
SROD
Menus and SROD settings (52:59)
Well data input (39:17)
Running and output (15:23)
General Information Report - Prime Mover and Pumping Unit (26:57)
General Information Report - Reducer Loading Rod Loading Downhole Performance Other Basic Data (50:37)
Detailed Reports (33:06)
Deviated Well Introduction (8:43)
Sucker rods introduction and demonstration
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