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4.3.2 Precipitates

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Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 16–18, 2009
Paper Number: PETSOC-2009-037
... asphaltene molecular weight distribution molecular weight distribution bubble point oilfield chemistry asphaltene precipitation crude oil hydrate remediation upstream oil & gas wax remediation average molecular weight asphaltene remediation solubility parameter molecular weight asphaltene...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 7–9, 2009
Paper Number: IPTC-13279-MS
... and temporal evolution of injected acid gases and associated mineral dissolution and precipitation (artificial diagenesis), the gas-fluid-rock interactions could have a significant impact on AGI. The objective of this study is to apply Reactive Transport Modeling (RTM) to investigate the fundamental controls...
Proceedings Papers

Paper presented at the 11th ISRM Congress, July 9–13, 2007
Paper Number: ISRM-11CONGRESS-2007-020
... portion, was the most favorable to reduce the amount of rock scour. This design was chosen to be implemented for the re-construction of the spillway channel, which is currently underway. 1 INTRODUCTION The global climate changes will probably result in an increased precipitation in Sweden...
Book Chapter
Publisher: Society of Petroleum Engineers
Published: 01 January 2020
DOI: 10.2118/9781613997949-04
EISBN: 978-1-61399-899-1
... to be expected. When solids precipitate out of solution, the scaling tendency of the remaining solution starts to decrease. When the scaling tendency has dropped to 1, all the solids that could thermodynamically precipitate have dropped out of solution (although this is a theoretical limit because as the scaling...
Journal Articles
SPE Drill & Compl 36 (02): 300–319.
Paper Number: SPE-199570-PA
Published: 16 June 2021
... 0.875   0.847   0.828 API 6A Spec. for Wellhead and Tree Equipment. API 6A (2018)              4.3.2 Temperature Ratings—Design for temperature ratings above 121°C (250°F), shall account for the effects of temp. on material strength (see Annex G for guidelines). G.5.2.3.2 API TR...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5663-MS
... metals such as Cu, Zn and Pb (Hu et al., 2021). The EO reactor cell also offers precipitation reactions on the cathode surface of the electrode, where the divalent cations can be precipitated in the form of carbonates and/or sulfates. The high pH environment created on the cathode surface allows...
Book
Book Cover Image
Publisher: Society of Petroleum Engineers
Published: 01 January 2010
DOI: 10.2118/9781555632915
EISBN: 978-1-61399-949-3
Proceedings Papers

Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-088
... maximum flood (PMF). Since the probable maximum precipitation (PMP) calculated in the consideration of localized heavy rain in each dam's drainage area has increased than those days of design, it is necessary to secure the safety of existing dam during the inflow of the probable maximum flood. As similar...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2878
...-duration and/or intense precipitation. The catastrophic consequences of these landslides are aggravated in highly-populated areas and locations where critical infrastructure such as roads and pipelines traverse. Therefore, a system that can predict landslides and issue an early warning is very appealing...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-252
... pit. natural weathering and/or rainfalls: weathering processes reduce the strength of the rock mass especially in the uppermost exposed layer and therefore lead mainly to slope surface parallel fracturing and jointing. Rainfall or precipitation affects mainly the strength of the joints. The increase...
Book
Book Cover Image
Publisher: Society of Petroleum Engineers
Published: 01 January 2016
DOI: 10.2118/9781613994269
EISBN: 978-1-61399-887-8
Proceedings Papers

Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1528
... at 69 barg before entering the pipeline. The gas is dried with Tri Etylene Glycol (TEG) absorption and a small amount of TEG will follow the gas as droplets and TEG vapor. And when the gas cool down the TEG will precipitate on the pipe wall and form a film.2 where corrosion will take place and form...
Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-2055
... % of total mineral mass). 3.1. Cementing Agents Usually, the cementing agents in sandstones is calcite which does not exist in the Viking core samples or is found in very small quantities. Calcite causes cementing by pore water ion concentrations precipitating onto the surface of the sand. When...
Book Chapter
Publisher: Society of Petroleum Engineers
Published: 01 January 2018
DOI: 10.2118/9781613994962-06
EISBN: 978-1-61399-893-9
... (2008) explored the adsorption of quaternized amine inhibitors during iron carbonate scale formation through electrochemical and post-test microscopic analysis. They found that there is evidence that quaternized amines increase the precipitation rate of iron carbonate to enhance the already protective...
Proceedings Papers

Paper presented at the CORROSION 2005, April 3–7, 2005
Paper Number: NACE-05003
..., surface conditions of the blocks were as follow : - zinc salts were developed in the precipitation immersion section (bottom area) (Fig. 4a) - rusts were found in welds and grinding work areas without ouch-up coatings (Fig. 4b) - no rust was found in the burnt damage area (due to back plate welding...
Book
Book Cover Image
Publisher: Society of Petroleum Engineers
Published: 01 January 2020
DOI: 10.2118/9781613997949
EISBN: 978-1-61399-899-1
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0292
... the gel flow mechanisms through fracture. Cement usually have a very low water leakage into the matrix, therefore the fracture cell setup was designed to mimic that and to only observe the flow performance along fractures. The distilled water was injected through the pump to prevent salt precipitation...
Book
Book Cover Image
Publisher: Society of Petroleum Engineers
Published: 01 January 2018
DOI: 10.2118/9781613994962
EISBN: 978-1-61399-893-9
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-012
..., dispersivity, mechanical behaviour CLIMATE CONDITIONS precipitation, evapotranspiration MANAGEMENT MAINTENANCE AFTERCARE disposal time history, leachate collection rate history, capping time history TARGETS OBJECTIVES limit pollutant concentrations, site vulnerabilities 2.1 Types of lining systems...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-007
...-way couplings. 105 07_Y_Ohnishi.indd 105 23/08/19 9:36 PM 7. T = H = C includes chemical reactions and heat and mass transport in rock masses. A chemical reaction could be mineral precipitation (or dissolution), which changes the rock permeabilities to fluid flow. Such a process has been extensively...

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