logo Classic API TR 11L (2008) Calculator

Print

Well Information

Well Name
Fluid Level (H)ft
Pump Depth (L)ft
Pumping Speed (N)SPM
Stroke Length (S)in
Pump Diameter (D) in
Fluid Specific Gravity (G)

Tubing

Note ▼
  • If nominal tubing size is not listed, choose the next larger size.
  • If tubing is anchored, the size does not affect values outside of this section
Tubing Sizein
Tubing Anchored?
Outside Diamin
Inside Diamin
Metal Areasq in
Elastic Constant (Et)in/lb-ft x 10-6

Rod String


Rod avg unit wt in air (Wr) lb/ft
Rod elastic constant (Er) in/lb-ft x10-6
Rod frequency factor (Fc)

Pump Stroke and Well Production


Plunger stroke (Sp) in
Pump displacement (PD) bbl/day

Note ▼
  • With manual calculation, use these values to iterate to best solution.
  • The Solutions section will help you do this faster

Operating Characteristics


Peak polished rod load (PPRL) lb
Min polished rod load (MPRL) lb
Peak crank torque (PT) lb-in
Polished rod horsepower (PRHP) hp
Required counterweight (CBE) lb

Solutions

Note ▼
  • List All : display all modes possible
  • Add Screen : copy screen values to new row
  • Clear : remove all rows
  • First Col : set screen to values in row
  • Last Col X : remove row
  • Headers : click to sort up or down

Audit

Note ▼
  • Audit : generate calculations for current screen
  • Clear : clears report

logo Classic API 11L Calculator ▼

This web application was provided by Silver Energy Services as a free resource to make your work a little bit easier.

Please contact us if you find any errors or have suggestions to make this application better. We are also open to ideas on other calculations you might need.

Calculations: Couurtesy of Americal Petroleum Institute / API 11L standard

Code: Copyright* © 2021 Dale Margel / Azure Solutions
* under Creative Commons - Attribution-NonCommercial CC BY-NC.
Build 2021.05.04. Use at your own risk
creative commons copyright