Page 26 - Acoustic Fluid Level Measurements
P. 26
I-8 ACOUSTIC FLUID LEVEL MEASUREMENTS IN OIL AND GAS WELLS HANDBOOK
Petroleum Extension-The University of Texas at Austin
plunger fall velocity, 11-6, 11-13 to 11-16, 11-13f, 11-14f, example field data, 7-14 to 7-23
11-15f gas lift wells, 7-13
systems for, 11-2 to 11-3, 11-3f gas wells, 7-13
troubleshooting, 11-17 to 11-20 instruments for, 7-7f
types of plungers, 11-3, 11-4f lack of, 6-24
unloading sequence, 11-5 overview of, 7-1
POC. See pump off controller (POC). programmed survey and, 7-2 to 7-3
portable pressure recording monitor, 10-31f recommended procedures and implications, 7-6
pressure special requirements for, 7-3 to 7-4
acoustic velocity and, 3-16 to 3-20, 5-1 technological advances and, 7-2 to 7-3
gas gun and, 4-6 in wells with multiple producing zones, 7-13 to 7-14, 7-14f
significant at the wellhead, 4-7 pressure transient analysis, field test data on
sonic velocity and, 3-2 Well A, 7-14, 7-15f to 7-17f, 7-17
at wellhead, below atmospheric pressure, 4-15 Well B, 7-17, 7-18f to 7-19f, 7-20
pressure, volume, and temperature (PVT) tests, 1-10, 3-16, Well C, 7-20, 7-20f to 7-21f
3-16f, 3-19, 3-20, 3-23 Well D, 7-20, 7-22f to 7-23f, 7-23
pressure-balancing ports, 4-3 Well E, 7-23, 7-24f to 7-25f
pressure buildup test pressure traverse, 10-18f
acoustic velocity and, 7-4, 7-4f pressure wave receiving port, 4-4
beam-pumped wells, 7-8 to 7-13, 7-11f producing bottomhole pressure (PBHP)
on ESP and PCP wells, 7-13 bubble point and, 1-15, 1-15f, 7-6
example field data, 7-14 to 7-23 calculating, 1-7 to 1-9, 6-4 to 6-7
gas lift wells, 7-13 comparing to SBHP, 8-22
gas wells, 7-13 determining optimum well performance and, 1-1, 1-4
recommended practices for, 7-6 gaseous liquid column and, 8-22
in wells with multiple producing zones, 7-13 to 7-14 in a gas lift well, 10-16 to 10-17
pressure differential for plunger lift wells, 11-5 high, in wells that kick, 8-17
pressure distribution importance of obtaining, 8-3
annular gas flow rate, 6-18 to 6-20, 6-20f multi-rate flow test for, 1-21 to 1-22, 1-22f
calculating, 6-4 to 6-7, 7-6 overview of, 1-6 to 1-7, 6-3
caused by presence of the tubing anchor, 8-12f plot of, 1-16, 1-16f
depth and, 8-25, 8-25f, 9-10 programmed fluid level surveys and, 7-2
of a ESP well, 2-19f, 2-21f pump inefficiency and, 8-2
gaseous liquid column and, 6-7 to 6-18 for reaching well potential, 8-1
in a gas lift well, 10-14 to 10-17, 10-20, 10-20t recommended practices, 6-24
in gas well without packer, 9-27f schematic of, 1-11f
history of calculating, 6-1 using to determine well performance, 1-23
liquid level depression test and, 6-11 to 6-16 in a Walker test, 6-10 to 6-11, 6-14f
obtaining data for, 1-10 producing wells, 2-15 to 2-16
overview of, 6-3 producing zones, wells with multiple, 7-13 to 7-14, 7-14f,
in a plunger lift well, 11-8 8-23 to 8-26, 8-24f
pressure traverse and, 9-10, 9-10f production. See well productivity.
pumping wells and, 6-2 to 6-3, 6-2f, 8-7f production flow rate, 1-4
quality control of data, 6-21 to 6-24 productivity index (PI)
in a shut-in gas well, 9-19f calculating, 1-13
in a static well, 6-23f changing pump displacement rate and, 1-14
summary of deviated well, 2-11f data for, 1-14
summary of simple well, 2-7f overview of, 6-1 to 6-2
tapered tubing, 2-13f well performance and, 1-1
typical, 8-24f programmable logic controllers for plunger lift wells, 11-5
wells with multiple producing zones and, 8-23 to 8-26 programmed fluid level surveys, 7-2 to 7-4
pressure drawdown, well performance and, 1-1 progressing cavity (PC) pump
pressure pulse, 4-5 calculating producing bottomhole pressure in, 1-7
pressure sensors, 4-9, 7-10f field data, pressure buildup tests, 7-17, 7-18f to 7-19f, 7-20
pressure set point for plunger lift wells, 11-5 fluid level surveys in, 8-26, 8-28f
pressure transducer, 4-11, 9-3, 11-7, 11-7f pressure transient analysis in, 7-13
pressure transient analysis pulse generation system
beam-pumped wells, 7-8 to 7-13 collar count method and, 5-3, 5-7
on ESP and PCP wells, 7-13 designing, 4-1
For distribution by Petroleum Extension-The University of Texas at Austin