Basic Rod Pumping / SROD / Dynagraph Interpretation
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A new 3 day class designed to help the student understand basic rod pumping, designing rod pumping systems using SROD and the understanding of dynamometer and down hole pump cards.
Locations:
Lufkin Automation
Oilfield Technology Training Center
2064 Market Street
Midland, Texas 79703
Upon registration to a Midland class, please confirm the location of the class since we will be moving into our new location in the spring of 2010.
Lufkin Automation
31127 Coberly Rd.
Shafter, California 93263
Williston, North Dakota
Roosevelt, Utah
Dickinson, North Dakota
Time: 3 Day Course - 8:30am to 4:30pm
Cost: $795 per person
Dates:
February 16 - 18, 2010 - Midland, Texas
April 6 - 8, 2010 - Williston, North Dakota
June 22 - 24, 2010 - Midland, Texas
August 10 - 12, 2010 - Shafter, California
September 14 - 16, 2010 - Roosevelt, Utah
October 12 - 14, 2010 - Midland, Texas
December 7 - 9, 2010 - Dickinson, North Dakota
Class
Subjects and Details:
Pumping Units
API Description of beam units
Conventional and enhanced conventional
Air balanced and beam balanced
Mark II
Rotaflex (tower type)
Hydraulic and pneumatic
Structure and gearbox loading
Unit balance
Prime Movers
NEMA Series electric motors
Ultra high slip electric motors
Variable Frequency and Eddy Current Clutch Drives
Engines (slow and high speed)
Prime mover loading (mechanical and electrical)
Sucker Rods
API
Ultra high strength
Continuous
Fiberglass
Sinker bar combinations
Forces that affect rod buckling
Effects of buoyancy
Rod loading criteria
Subsurface Pumps
API
Modifications such as ring valves
Special types such as 3 tube and double
displacement
Quantifying pump leakage in BPD
Tubing Anchors
Recognizing Wells with Gas Interference
Dynamometer and SAM controller
Fluid level
Pump off controllers on wells with gas interference
Adverse effects of gas interference (rod pumps,
ESP, PCP, hydraulic etc)
Production Potential (IPR) of Gassy Wells and Economic
Justification for Improving Gas Separation
Pump Design and Operation
Pump selection
Effects of pump spacing
Gas locking???
Theory of Gas Separation
Gas bubble rising velocity
Fluid velocity equation
Gas Separator Types
Natural
Enhanced (modified) natural
Packer
Poor boy
Enhanced (modified) poor boy
Cup
Bucket (Korkele)
Centrifugal (Cavins)
Others
Gas separator Design
Data required (Gas Separator Design Data Sheet)
Comparison of various designs
Gas evolved (liberated) caused by pressure drop in
gas separators
Sizing and selecting gas separators for various
well completions
Reservoirs with vertical permeability
Sources
(suppliers) of gas separators
Objective and Scope
History
Rod Pumping
Reservoirs
Pumping Unit
API Designation
Pumping Unit Geometry
Balance
Sheave and Belt Alignment
Belts and Proper Tension
Stuffing Box Maintenance
Tubing
Tubing Anchor Catchers (TAC)
Unanchored Tubing
Reasons for Anchoring Tubing
Care and Handling
Rods
Sizing and Rod Grades
Polish Rods, Sinker Bars, Guides & Guided Subs
Common Rod Designs for San Juan
Types of Failures and Causes
Care and Handling
Pumps
API Description
Types and Applications
Pump Capacities and Efficiencies
Components
Operations
Fluid Pound
Gas Interference
Coal Fines, Solids, Trash
Opportunities and Solutions
Spacing
Tagging
Leakage
Gas Separation
Understanding Gas Separation
Types of Separators
Need for Tubing Head Back Pressure
Dynamometer Cards and Interpretation
Dynamometer
Cards
Surface cards
Down-hole pump cards
Effects of rod elasticity (rod stretch and
over-travel)
Effects of rod dynamics
Generalized surface card shapes such as
under-travel and over-travel
Dynamometer
Surface Cards
Importance of accurate measurements (load,
position, current & RPM)
Importance of stabilized and representative
operating conditions
Past well history, especially recent downtime
Down-hole
Pump Card Interpretation
Full pump
Fluid pound
Gas interference
Unanchored tubing
Worn plunger/barrel and/or traveling valve
Worn standing valve
Hitting up or down
Sticking
Inoperative pump (foul, deep rod part, flowing,
deep tubing leak etc)
Excessive friction (rod drag & fluid friction,
stuffing box & pump)
Special pumps such as upper ring valves and
multiple volume
Methods
to Quantify Pump Leakage in
BPD from Valve Checks and Pump Velocity
Load loss method
Pump velocity method
Polished rod velocity method
SROD Overview
a. New Features and Enhancements
b. Balanced Taper Design
c. Personalization of the program
Rod Pumping Design & Installation
a. Comparison of Special Geometry Units
b. Nema D vs. U-H-S
c. Effects of Viscous Crudes
d. Fiberglass vs. Steel
e. Shallow Wells/Big Bore Pumps
f. Surface & Subsurface Equipment Loading
g. Equipment Considerations Utilizing Gas Liberation Concepts, Oil
Shrinkage & Pump Slippage (PumpC Program)
Deviation - Friction
a. Rod Buckling Effects
b. Need for Deviated Hole Design
c. Need for Deviated Hole Analysis
Downhole Pump Card
a. Interpretation, Understanding & Troubleshooting
b. Suggested Analysis Procedures
Team Discussions &
Analysis
Bring real case scenarios to discuss and optimize
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up for this course online
Please contact
us if you have any questions.
