Dear All,
Thank you very much! Any help will be appreciated.
Our Oil Company have two Oil -gas wells in production with Plunger Lift System in a petroleum Field. The Cycles are:
- Well 1: 10 Min Closed, 7 Min Open. The pneumatic valve opens when the pressure in the annulus reaches 180 psi. (Oil production: 20 BPD, Approx Gas Flow Production: 28000 SCFD)
- Well 2: 45 Min Closed, 4,5 Min Open. The pneumatic valve opens when the pressure in the annulus reaches 215 psi. (Oil production: 35 BPD, Approx Gas Flow Production: 35000 SCFD)
We still use an old gas metering station at the gas outlet from the separator (1 for each well). A meter tube with a Camco Orifice Fitting, a Barton Chart Recorder and a Kimray regulator valve.
I have been searching for a different way to measure the gas flow in this intermitent wells, I found one topic which recommends a Rosemount 4048 Multivariable Transmitter. But unfortunatly our little Battery does not have automation.
As you can anticipate, the chart recorder records too much spikes, and differential pressure is almost impossible too calculate (Even with a planimeter I guess), and we really need a gas flow measurement, even if it is too small. Please, could you help me with any idea? I am looking for some new adquisition, maybe a different recorder, because, we still calculate gas with Static, differential and temperature.
Attached a photograph of the letter of the well 2.
Thanks!
Hugo