1-20 of 54 Search Results for

Oil pumps

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0047220
EISBN: 978-1-62708-220-4
... Abstract Two oil-pump gears broke after four months of service in a gas compressor that operated at 1000 rpm and provided a discharge pressure of 7240 kPa (1050 psi). The compressor ran intermittently with sudden starts and stops. The large gear was sand cast from class 40 gray iron with a...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001575
EISBN: 978-1-62708-217-4
... Abstract An oil scavenge pump was found to have failed when a protective shear neck fractured during the start of a jet engine. Visual inspection revealed that the driven gear in one of the bearing compartments was frozen as was the corresponding drive gear. Spacer wear and thermal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001592
EISBN: 978-1-62708-228-0
... Abstract Sucker-rod pumps are operating in very aggressive environments in oil well production. The combined effect of a corrosive environment and significant mechanical loads contribute to frequent cases of failure of the rod string during operation. Standards and recommendations have been...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047636
EISBN: 978-1-62708-217-4
... Abstract Several elbow subassemblies comprising segments of oil-line assemblies that recycled aircraft-engine oil from pump to filter broke in service. The components of the subassemblies were made of aluminum alloy 6061-T6. Two subassemblies were returned to the laboratory to determine cause...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001118
EISBN: 978-1-62708-214-3
... minimum tolerable defect size was also recommended. Aircraft components Commercial planes Lubrication systems Springs (elastic) Wire 321 UNS S32100 Metalworking-related failures Fatigue fracture Two stainless steel springs in oil ring lip seals failed...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001819
EISBN: 978-1-62708-241-9
... Abstract The shafts on two centrifugal pumps failed during use in a petroleum refinery. Light optical microscopy and scanning electron microscopy were used to analyze the damaged materials to determine the cause of failure. The results showed that one shaft, made of duplex stainless steel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0046242
EISBN: 978-1-62708-236-5
... pump oil to remove any debris. Couplings Gears Magnetic particle testing Overheating Spalling 4130 UNS G41300 Fatigue fracture Figure 1 shows an integral coupling and gear, used on a turbine-driven main boiler-feed pump, that was removed from service after 1 year of operation because...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001828
EISBN: 978-1-62708-241-9
... rating of the motor is 6.7 mW (9000 HP). The motor is provided with an oil-lubricated tilting pad radial bearing at the bottom and a combined up thrust, down thrust, and radial bearing arrangement located at the top. Fig. 3 CANDU heat transport pump During the routine testing of...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001476
EISBN: 978-1-62708-229-7
...). Fig. 4 Microstructure in zone that had not been overheated. (×50). All the evidence pointed to the probability that a fire had occurred within the vessel. In order to ascertain if excessive “oil-pumping” by the compressor had provided the necessary fuel, the machine was stripped down and the...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003569
EISBN: 978-1-62708-180-1
... 32), no significant attenuation stage has been observed for aluminum alloys, copper alloys, carbon steel, stainless steel, and titanium alloys ( Ref 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 ). Cavitation damage in oil-lubricated...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001824
EISBN: 978-1-62708-241-9
...) Multistage pumps are widely used whenever the enhanced oil reservoir program is implemented. The parts of these pumps can be made from different materials, namely, ferrous and non-ferrous alloys. This depends on the working environment and its content of CO 2 , H 2 S, water salinity, temperature, pressure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001486
EISBN: 978-1-62708-234-1
.... With bearings, damage is thought to result from flow-induced cavitation, while in pumps and injection equipment it is associated with violent fluctuations that may occur when the flow is suddenly interrupted, It is found mainly in unloaded areas of bearings where the oil film pressure is low and...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001470
EISBN: 978-1-62708-220-4
... fractured surfaces showed that failure had been preceded by fatigue cracking. The material from which the dish plate was forged was a Ni-Cr-Mo steel in the oil hardened and tempered condition. Fractographic examination of the surface of the cracks showed striation markings indicative of the progress of...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
... restarted. A high vibration from oil whip in the first LP rotor bearing apparently prevented the restart. However, if the restart was delayed for a day or so, restart could be accomplished without any problem. The turbine would also restart immediately after being brought off line. Such a situation has all...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001116
EISBN: 978-1-62708-214-3
... produced oil, water, and gas. The gas was sour and the H 2 S content of the gas in the pump separator at the surface was about 10,000 ppm. In this well, the fluids normally circulated down the production tubing and up the tubing-easing annulus. Normal bottom-hole temperature was about 40 to 65 °C (100 to...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... oil. Two sliding surfaces can be separated by pumping a fluid into the contact region at a sufficient pressure. The contact region must be properly designed so that there is a symmetric or balanced contact-pressure distribution. A large volume of fluid will separate the sliding surfaces a great...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0051866
EISBN: 978-1-62708-228-0
... (2.000 in. OD × 0.156 in. W ) with a yield strength of 483 MPa (70 ksi) was used to drill 68 steam injection wells in California for a major oil company. Depth of the wells ranged from 850 to 1000 ft (259 to 305 m). The tubing had used about 50% of its estimated fatigue life when failure occurred...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... the internal wall of a carbon steel oil-sands tailings pipe. The internal wall suffers from synergistic attack of solid-particle impingement and corrosion from the sand-containing slurry. Figure 2(b) illustrates erosion-corrosion of a pump liner operating in a flue gas desulfurization application...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003568
EISBN: 978-1-62708-180-1
... ), steam turbines ( Ref 18 , 19 , 20 , 21 ), land-based gas turbines ( Ref 21 , 22 , 23 ), solids transport systems ( Ref 17 , 24 , 25 , 26 , 27 , 28 ), cyclones ( Ref 17 , 28 , 29 , 30 ), valves ( Ref 17 , 31 , 32 ), and inlet nozzles ( Ref 33 ). In the oil and gas industry, choke valves...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... Pneumatic control failure Lubrication Dirt in oil Insufficient oil Wrong lubricant Water in oil Oil pump failure Low oil pressure Plugged lines Improper filtration Contaminated oil Craftsmanship after maintenance Improper tolerances Welding error Improper surface finish Improper fit General poor...