US 12,130,166 B2
Measuring levels of volatile fluids
Nicholas J. Pengilly, Dhahran (SA); and Zied Soua, Dhahran (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Feb. 7, 2024, as Appl. No. 18/435,489.
Application 18/435,489 is a division of application No. 17/473,793, filed on Sep. 13, 2021, abandoned.
Prior Publication US 2024/0175740 A1, May 30, 2024
Int. Cl. G01F 23/292 (2006.01)
CPC G01F 23/292 (2013.01) 20 Claims
OG exemplary drawing
 
1. A level measurement device comprising:
a vertical tubular defining a measurement chamber;
a first valve coupled in a first branch that extends orthogonally away from the vertical tubular in a first direction nearer an upper end of the vertical tubular than a lower end of the vertical tubular, the first valve comprising a first actuable passage fluidically connected to the measuring chamber through the first branch;
a second valve coupled in a second branch that extends orthogonally away from the vertical tubular in the first direction nearer the lower end of the vertical tubular than the upper end of the vertical tubular, the second valve comprising a second actuable passage fluidically connected to the measuring chamber through the second branch;
a third valve vertically aligned with the first valve, the third valve being on an opposite side of the vertical tubular from the first valve and coupled in a third branch that extends orthogonally away from the vertical tubular in a second direction opposite the first direction, the third valve comprising a third actuable passage fluidically connected to the measuring chamber through the third branch;
a fourth valve vertically aligned with the second valve, the fourth valve being on an opposite side of the vertical tubular from the second valve and coupled in a fourth branch that extends orthogonally away from the vertical tubular in the second direction, the fourth valve comprising a fourth actuable passage fluidically connected to the measuring chamber through the fourth branch;
a first flange at an upper end of the vertical tubular;
a second, blinded flange at a lower end of the vertical tubular;
a level measurement device mounted to the first flange; and
a differential pressure device coupled between the third and fourth valves.