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Proceedings Papers

Paper presented at the International Symposium and Exhibition on Formation Damage Control, February 20–21, 2002
Paper Number: SPE-73711-MS
... the timing of other completion operations and minimized the impact of the displacement on the critical path. drilling fluid management & disposal displacement spacer train contact time transition spacer deepwater sbm displacement seawater contamination concentration kippie messler...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2012
Paper Number: SPE-151604-MS
... transition spacer emulsion structure spacer design double emulsion spacer double emulsion structure microemulsion Wellbore clean-up is a critical step during completion. The clean–up performance can significantly impact the following completion operations and thus the wellbore productivity...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168148-MS
...Fig. 14 Comparison of transition spacers (CTSand OHTS) vs. RI-RDF. ...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-110589-MS
... not. Table 3 provides a detail of the spacers used in the displacements. For the most part, spacers applied in the displacements examined in this study are designed according to the general conceptual scheme presented in Table 4. The viscous, weighted push pill is referred to as the transition spacer...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-16761-MS
.... cement formulation lead cement slurry cement chemistry transition time cement property Upstream Oil & Gas South China Sea water-based multifunctional polymer Case History cement slurry casing and cementing water droplet microemulsion technology spacer slurry glass slide contact angle...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21335-MS
... transition time, in order to reduce the chances of gas migration through the cement slurry. The slurry was batch-mixed to ensure the homogeneity of the final slurry mixture. A reactive spacer was designed to improve the cement bonding from long term zonal isolation perspective. Additionally, the spacer...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 16–18, 2017
Paper Number: SPE-187700-MS
... sets, hydrostatic pressure is reduced on the formation. During this transition, gases can travel up through the cement column resulting in gas being present at the surface. Gas migration problems can also occur due to poor displacement. Spacers, cements and drilling fluids should be designed...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201469-MS
... successfully on inflow tests due to low temperature of the zones to be cemented, increasing the transition time for a slurry to move from liquid state to solid phase. With extensive laboratory testing it was concluded that current designs were not addressing the bulk shrinkage phenomenon of cement, which could...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, February 23–25, 2000
Paper Number: SPE-59135-MS
... with the rheological aspects of displacement. However, because surfactants affect the rheology of the mixing interface, the surfactant packages designed through testing result in greater compatibility and displacement efficiency. Wettability Transition Through the Drilling Fluid/ Spacer Interface Volume Understanding...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-71375-MS
... characterize the laminar-to-turbulent transition of non-Newtonian fluids, an experimental study was initiated on a series of spacers and model fluids, and the results were compared to a variety of theoretical or phenomenological expressions. Phenomenological Criteria for Laminar-to-Turbulent Transition of Non...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23663-MS
... of SBM s, the transition from the drilling operation with a synthetic oil mud(oil-wet phase) and wellbore preparation to spot a sidetrack plug hinges on the design of a suitable spacer formulation for cementing and involves optimum testing of and the proper selection of a surfactant package...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 1–4, 2000
Paper Number: SPE-62887-MS
... affects the fluid flow profile in the annulus, which affects gel and filter-cake removal. To investigate the mechanism of drilling fluid removal, we conducted both numerical and experimental studies. In the experimental studies, chemical flushes and spacers were tested for their effectiveness in removing...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-17976-MS
... Abstract Mixing of cements of various batches, aging, and contamination impact cement slurry performance. For effective cementing, the cement slurry should completely displace the spacer and/or drilling fluid. Most often, this is difficult to achieve, and a portion of drilling fluid remains...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202203-MS
... Advanced software simulation helps to identify fluid contamination while fluids are travelling down the casing strings without any mechanical separation ( Navas et al. 2016 ). In practice, a wiper plug is used in front of the cement slurry, another wiper plug is used between the spacer system...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19747-MS
... during drilling, followed by a tailored cement solution. A tailored spacer and foam cement system were deployed; the short transition time of the cement and the inherent compressibility of foams both reduced the exposure time in under-balance. The solution was successfully deployed on all three wells...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, June 8–9, 2021
Paper Number: SPE-201024-MS
... with the simulated ramp up and down schedule. The optimized slurry's transition time and CHA test result all meet the gas tight requirement at the shallow gas zone temperature, which is very critical to prevent shallow gas migration. By choosing the fit for purpose chemical additive and the enhanced evaluation...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199614-MS
... a high kinetic energy that assists removing immobile mud trapped on the low side of the casing. Additionally, in this case, using a foamed spacer further improved mud removal from the annulus, resulting in improved displacement efficiency, as observed in the final cement evaluation logs. Filtrate loss...
Journal Articles
SPE Drill & Compl 10 (01): 53–60.
Paper Number: SPE-27925-PA
Published: 01 March 1995
..., excellent hydraulic seal is present over the whole interval. This log was run without casing pressure being applied. This treatment shows that good bond can be attained by running a turbulent flow spacer followed by a slurry with a short transition time. Because of the high weights of the fluids...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175774-MS
... and execution phase while cementing the deepest expandable casing in Mediterranean offshore Egypt. Artificial Intelligence casing and cementing cement property complex reservoir high pressure high temperature gel time cement formulation cement chemistry transition time BHCT spacer foam ball...

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