×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Pump Rate / Pressure Drop / Friction Loss

Pump Rate / Pressure Drop / Friction Loss

Pump Rate / Pressure Drop / Friction Loss

(OP)
I am testing a well with 2 7/8" 6.5# tubing that will eventually be completed with either 4 1/2" 11.6# or 7.00" 26.0# K-55.  The well contains 10# Saturated Brine.  With a packer set at 2700' in a vertical well and a surface pressure of 1,000 psi @ 4 bpm, what pressure drop due to friction loss can I expect with the varying tubing sizes?  I seem to have lost all of my fluid dynamics reference manuals and feel a bit silly having to ask this question.....  I appreciate any help and I can tell from the threads I've reviewed so far that I am definitely asking this question in the correct forum.

Thanks and best regards,

RE: Pump Rate / Pressure Drop / Friction Loss

Quicky:
Delta P per 100 feet = .0216 * f * density * Rate ^2 / dia^5

f is friction factor based on flow type, guess .03, density is about 75 lb/cf Q = 168 gpm diameter is 2.5 in,

The numbers come out 2.5" = 221 psi for 2700 ft 15.6 psi for 4" and 1.86 psi for 7"


Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources