AFMS Recent News - March 1998

A.F.M.S. Newsletter - March 1998 Issue

P.O. Box 60426, LAFAYETTE, LA 70596 - PHONE/FAX : (318) 993-AFMS (2367)

The topic for the NOON March meeting is Using the Internet. The speakers are B J Hoffpauir and Jimmy Blanco with Netstep Internet Services, LLC, discussing how to access, browse, and search on the internet. The AFMS web page they developed for us will be used as a reference.

Where: Lafayette Petroleum Club
111 Heymann Blvd.
When: March 17, 1998
Time: 11:00-11:30 AM-Social Half Hour

11:30 AM-1:00 PM-Meal & Topic

IT’S NO BLARNEY!

This month’s meeting is a NOON-TIME meeting! This is NO evening meeting, just the one at noon! Hopefully, plenty of you can get away on St. Patrick’s Day for this luncheon meeting. The booth assignments will be available, as well as short course brochures and wall ads to let everyone know about the show.

http://www.afms.org

The AFMS web site should be up and running by the meeting date, March 17, 1998! Many links, an extensive measurement library, E-mail, scholarship info, archived newsletters, and a search drive are all planned. All the measurement related web sites and more mentioned in the last newsletter will be accessible through the AFMS home page. Come see the power put at your disposal and the noon meeting this month. As our web page progresses, "chat room" discussions of any measurement problem will be discussed, each "stringed" together for the same topic. Newsletters can be mass E-mailed to those with internet service. Of course the newsletters can be viewed or printed from the web site as well. We can use this communication hub in many other ways. The more input the officers receive, the better the product will be!

Look for the AFMS Short Course ad in the March issue of the American Oil & Gas Reporter publication! This magazine is the publication arm of 23 independent oil & gas associations. Copies of this magazine will be available at the short course (of course!).

AFMS Dates to Remember

April 6 Short Course Vendor Set-Up
April 6 Golf Tournament, contact Wayne Wimberly at 800-662-5711, fax 318-662-5982.
April 7 AFMS 19th Annual Short Course
April 8 AFMS Short Course ends
April 14 Last Meeting of Season
April 17 Annual Crawfish Boil - Membership drive at Gator Cove.

MEASUREMENT IN PRINT-

Recent measurement articles.

Gas Topics

"Calculating for Small Orifice Gas Flow", March - Flow Control

EFM Topics

"SCADA Use Expands Across Functions in Pipe Line Business", February - Pipe Line & Gas Industry

"New Radio Gear Lowers Cost of Gathering Operating Information", February - Pipe Line & Gas Industry

"SCADA Replacement Decisions Aided By Objective Procedures", February - Pipe Line & Gas Industry

"How to Select Pressure Transducers", March - Flow Control

TIP OF THE MONTH

QUESTION:

Is the calibration error for a DP found at 49 inches, with a -1.0 inch low zero

a) -1.016%

b) -1.005%

c) -2.041%

d) -2.000%

ANSWER:

a) -1.016%. There are two ways to arrive at the same answer.

First, let’s eliminate c) and d). These high errors were arrived at by dividing the difference between 50" & 49" (1") by 49" (c) or 50" (d). Neither takes into account the square root correlation in orifice flow measurement.

The correct answer may be arrived at by first taking the square root of the 49" and 50" readings. This difference is then divided by the same square root of 49". The same answer can be arrived by using volume calculation software, subtracting the difference, and dividing by the original volume. Any pressure, temperature, meter tube ID, orifice ID, specific gravity, and inert percentages may by used (within the AGA 14.3 parameters). The reason is the difference in the two volumes is important, not the volumes themselves.

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