Zobrazeno 1 - 10
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pro vyhledávání: '"James E. Griffith"'
Publikováno v:
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Cementing wells drilled through weak formations can result in lost-circulation problems.The industry typically uses high-cost, low-density cementing solutions that include the use of hollow beads or nitrogen. In other cases, stage cementing may be em
Autor:
James E. Griffith, Colin Dennis Mallett, Gregory Anthony Szutiak, Glen C. Fyten, Tim W. Marriott
Publikováno v:
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Cementing gas wells in coalbed methane (CBM) formations can present a cement-circulation challenge because the coal formations tend to have low fracture gradients and break down under the hydrostatic pressure of the cement column. The use of conventi
Publikováno v:
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This paper was selected for presentation by an IADC/SPE Program Committee following review of information contained in a proposal submitted by the author(s). Contents of the paper, as presented, have not been reviewed by the International Association
Publikováno v:
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Cementing high-pressure, high-temperature (HPHT) wells poses various challenges not seen at normal well conditions. For instance, the following objectives are critical for HPHT wells: Prevent losses during drilling fluid circulation and cement slurry
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Trapped fluid commonly occurs in subsea completed wells when casing annuli attains a closed volume; for example, a subsea wellhead set and cement top inside the previous casing shoe. When the well is placed on production and wellhead temperature incr
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Remedial cementing operations and zone abandonment are difficult to accomplish when low-pressure formations possess high feed rates at low, or even vacuum, surface pressures. Such is the case with several heavy-oil wells recently abandoned in Western
Autor:
W. Wayne Sanders, Roger N. Williamson, Troy Jakabosky, James E. Griffith, Michael Charles Serio
Publikováno v:
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Fluid trapped in the annulus of subsea wells can cause casing strings to fail. This condition occurs when casing annuli attain a closed-volume circumstance (when a well is cased, cemented, and head seals are set). During production, the heat transfer
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This paper describes the reasons for and execution of a foamed-cement job to provide zonal isolation for a high-pressure, high-temperature (HPHT) sidetrack wellbore. Because adjacent wells cemented with non-nitrified, HPHT slurry designs showed margi
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In late 1999, British Petroleum (BP) experienced a well failure in the Marlin development in deepwater Gulf of Mexico (GOM). Within hours of starting production, the production tieback casing collapsed, causing failure of the production tubing. Press
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This paper presents laboratory and field data for using a settable spotting fluid (SSF) to help improve the subterranean zonal isolation of primary cement jobs on expandable liner installations. A SSF can add value to the well construction process wh