Page 19 - Artificial Lift Methods
P. 19
ARTIFICIAL LIFT METHODS
Petroleum Extension-The University of Texas at Austin
deliquification, 1 double valves, 24
deliverability rates, 123 Drake, Edwin, 13
desktop intelligence, 129 driveheads, 2, 59, 62, 64−66, 69−70
deviated wells
capillary tubing, 105 elastomeric stator, 66
continuous gas lift, 75 elastomers
continuous rods, 36, 64 exposure to CO and aromatic gases, 8, 10, 61
2
conventional rod-driven systems, 10 flexing frequency, 62
electric submersible progressing cavity jet pumps, 117
pumps (ESPCPs), 62, 71 PCP elastomers, 11
electric submersible pumps (ESPs), 6, 10, progressing cavity pumps (PC pumps or
44−45, 56 PCPs), 57, 61, 66−69
front-mounted geometry crank electric submersible progressing cavity pumps
counterbalance units, 29 (ESPCPs)
gas lift, 90 about, 2, 60
heavy-wall capillary tubing for, 105 deviated wells, 62, 71
hydraulic lift, 7, 111 offshore wells, 62, 71
hydraulic pumps, 7, 10 electric submersible pumps (ESPs). See also
intermittent gas lift, 6 system components of electric submersible pumps and
jointed sucker rods, 16 system design of electric submersible pumps.
plunger lift, 7 about, 2, 43
progressing cavity pumps (PC pumps or advantages and challenges, 6
PCPs), 71 coiled-tubing deployed systems, 56
reciprocating rod lift, 42 efficiency losses, 52
rod guides, 38 efficiency versus speed, 45
static gas separators in, 50 for high-volume wells, 9, 43−44
tubing wear, 38 for offshore wells, 43
velocity strings and foam lift, 105 gas in, 46
well configuration factors, 10 horizontal wells, 44−45
dewatering in deviated wells 6, 10, 44−45, 56
electric submersible pumps (ESPs), 6, 43, 45 operating principles, 46−47
foam lift, 7, 101−102 pump pressure capacity, 48
gas wells, 85, 94, 102, 114 recirculation system, 55
hydraulic lift, 7 system components, 48−54
intermittent gas lift, 85 system design, 55−56
jet pumps, 117 typical applications 6, 44−46
plunger lift, 7, 94 versus gas lift, 45
progressing cavity pumps (PC pumps or enhanced oil recovery (EOR), 8
PCPs), 6, 61 environmental and regulatory factors, 5, 11
reciprocating rod lift, 6 explosive decompression, 61, 68
diffusers, 46, 48
diluents, 46, 66 fatigue failure, 33, 39
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