Plug Cementing: Horizontal to Vertical Conditions

Calvert, D. V.; Heathman, James; Griffith, James F.

doi:10.2523/30514-ms

Cited by 18 publications

(9 citation statements)

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“…In yard tests using representative oilfield fluids and pipe sizes, and with cement placed above mud in an inclined pipe, (see e.g. [46]), in those cases where the rheologies of the fluids were somehow close to being statically stable, the cement slurry is observed to slump towards the lower side of the pipe and move slowly downwards in an axial direction, displacing the lighter drilling mud upwards, (as shown in Fig. 11).…”

Section: Exchange Flowsmentioning

confidence: 94%

Numerical solution of duct flows of multiple visco-plastic fluids

Moyers-González

Frigaard

2004

Journal of Non-Newtonian Fluid Mechanics

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Section: Exchange Flowsmentioning

confidence: 94%

Numerical solution of duct flows of multiple visco-plastic fluids

Moyers-González

Frigaard

2004

Journal of Non-Newtonian Fluid Mechanics

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“…An operational primer of the P&A process is described in the Appendix; for additional detailed information, see Calvert and Smith (1994), Smith (1993), and Field and Martin (1997. Case studies on setting plugs in a deviated well (Calvert et al, 1995;Crawshaw and Frigarard, 1999;Smith, 1989), reducing cement discharge (Sola and Daulton, 2000), coiled tubing applications (Sorgard et al, 2000), geothermal wells (Courville and Anderson, 1999), and waste handling procedures (Young et al, 1994) are also available.…”

Section: Plugging Operationmentioning

confidence: 97%

Cost of Plug and Abandonment Operations in the Gulf of Mexico

Kaiser¹,

Dodson²

2007

mar technol soc j

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To explore, delineate, and produce hydrocarbon reserves, holes must be drilled into geologic formations. During the course of production, wells may become inactive because of diminished economic returns or technical problems, and be shut-in or temporarily abandoned. At the end of the life of every well, the well will be permanently plugged and abandoned (P&A). The P&A process is the first stage of a decommissioning program in which a site is returned to its original greenfield status in accord with regulatory requirements. The purpose of this paper is to describe the factors that influence P&A operations and summarize cost statistics from a sample of 118 jobs and 390 wells performed by Tetra Applied Technologies in the Gulf of Mexico from 2002-2003. Descriptive statistics are summarized and the impact of learning and scale economies are examined. Regression models are derived that estimate the cost of P&A activities based on job characteristics.

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“…Most analyses have focused on the post-placement phase of plug cementing and on understanding the evolution of a slumping flow. That slow axial slumping flows do occur for realistic fluid physical properties can be seen in the experimental work of [5,8]. The slumping flow is approximately uni-directional, along the axis of the well, at least far from the advancing fronts.…”

Section: Introductionmentioning

confidence: 93%

“…[3][4][5][6][7][8], and also the fluid mechanics literature, [9][10][11][12][13]. Most analyses have focused on the post-placement phase of plug cementing and on understanding the evolution of a slumping flow.…”

Section: Introductionmentioning

confidence: 99%