Class G cement in Brazil - A statistical approach
Abstract
Since 1975, Petrobras has worked with Brazilian Portland cement manufacturers to develop high-quality Class G cements. The Petrobras R and D Center has analyzed each batch of Class G cement manufactured by prequalified producers to API Spec. 10 standards and to Brazilian Assoc. of Technical Standards (ABNT) NBR 9831 standards. As a consequence, the Drilling Dept. at Petrobras now is supplied by three approved Class G cement factories strategically located in Brazil. This paper statistically analyzes test results on the basis of physical parameters of these Class G cements over 3 years. Statistical indices are reported to evaluate dispersion of the physical properties to obtain a reliability index for each Class G cement.
- Authors:
-
- Petrobras S.A., Rio de Janeiro (Brazil)
- Publication Date:
- OSTI Identifier:
- 5912504
- Resource Type:
- Journal Article
- Journal Name:
- SPE Drilling Engineering (Society of Petroleum Engineers); (United States)
- Additional Journal Information:
- Journal Volume: 8:3; Journal ID: ISSN 0885-9744
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 02 PETROLEUM; 03 NATURAL GAS; 42 ENGINEERING; CEMENTS; PERFORMANCE TESTING; PHYSICAL PROPERTIES; NATURAL GAS WELLS; CEMENTING; WELL COMPLETION; OIL WELLS; BRAZIL; STANDARDIZATION; STATISTICAL DATA; BUILDING MATERIALS; DATA; DEVELOPING COUNTRIES; INFORMATION; LATIN AMERICA; MATERIALS; NUMERICAL DATA; SOUTH AMERICA; TESTING; WELLS; 020300* - Petroleum- Drilling & Production; 030300 - Natural Gas- Drilling, Production, & Processing; 420500 - Engineering- Materials Testing
Citation Formats
Rosa, F C, Coelho, O Jr, and Parente, F J. Class G cement in Brazil - A statistical approach. United States: N. p., 1993.
Web. doi:10.2118/21155-PA.
Rosa, F C, Coelho, O Jr, & Parente, F J. Class G cement in Brazil - A statistical approach. United States. https://doi.org/10.2118/21155-PA
Rosa, F C, Coelho, O Jr, and Parente, F J. 1993.
"Class G cement in Brazil - A statistical approach". United States. https://doi.org/10.2118/21155-PA.
@article{osti_5912504,
title = {Class G cement in Brazil - A statistical approach},
author = {Rosa, F C and Coelho, O Jr and Parente, F J},
abstractNote = {Since 1975, Petrobras has worked with Brazilian Portland cement manufacturers to develop high-quality Class G cements. The Petrobras R and D Center has analyzed each batch of Class G cement manufactured by prequalified producers to API Spec. 10 standards and to Brazilian Assoc. of Technical Standards (ABNT) NBR 9831 standards. As a consequence, the Drilling Dept. at Petrobras now is supplied by three approved Class G cement factories strategically located in Brazil. This paper statistically analyzes test results on the basis of physical parameters of these Class G cements over 3 years. Statistical indices are reported to evaluate dispersion of the physical properties to obtain a reliability index for each Class G cement.},
doi = {10.2118/21155-PA},
url = {https://www.osti.gov/biblio/5912504},
journal = {SPE Drilling Engineering (Society of Petroleum Engineers); (United States)},
issn = {0885-9744},
number = ,
volume = 8:3,
place = {United States},
year = {Wed Sep 01 00:00:00 EDT 1993},
month = {Wed Sep 01 00:00:00 EDT 1993}
}
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