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Mud contamination

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Journal Articles
J Pet Technol 68 (11): 46–47.
Paper Number: SPE-1116-0046-JPT
Published: 01 November 2016
...Chris Carpenter This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 175116, “Effective Method for Monitoring Oil-Based-Mud Contamination in Wireline-Formation-Tester Sampling,” by W. Pineda, BP; F. Gozalpour, formerly BP; and Mehdi Hagshenas, BP...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2016
Paper Number: SPE-184338-MS
... with base oil. The uncontaminated sample therefore had a 0% base oil contamination. In this work, a waxy crude oil sample was collected from an onshore field in the Niger Delta region. Then the waxy crude properties were measured in the lab, before and after contaminating with oil base mud (OBM...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-175116-MS
...) simulator was performed by Alpak et al. (2006) . Their sensitivity analysis on various parameters influencing the contamination shows that the depth of invasion of the mud filtrate and the oil/oil based-mud filtrate viscosity ratio ( μ OIL /μ OBMF ) are the main factors affecting the clean out, other...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-124371-MS
... formation properties. Oil-base muds (OBM) are partially to completely miscible with the reservoir hydrocarbons, and so OBM contamination causes alteration of fluid properties which becomes even more critical for condensates when changes in fluid viscosity, density, and relative permeability occur. Due...
Proceedings Papers

Paper presented at the SPWLA 49th Annual Logging Symposium, May 25–28, 2008
Paper Number: SPWLA-2008-QQQQ
...SPWLA 49th Annual Logging Symposium, May 25-28, 2008 1 MULTICHANNEL OIL-BASE MUD CONTAMINATION MONITORING USING DOWNHOLE OPTICAL SPECTROMETER Kai Hsu, Peter Hegeman, Chengli Dong, Ricardo R. Vasques, Michael O'Keefe, and Mario Ardila, Schlumberger Copyright 2008, held jointly by the Society...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-71736-MS
... quality oil samples the sampling method and mud system need to be optimized in order to minimize the contamination level. When an accurate measurement of the level of contamination cannot be made and therefore the amount of miscible filtrate cannot be corrected for, the resulting fluid characterization...
Journal Articles
Trans. 210 (01): 148–152.
Paper Number: SPE-679-G
Published: 01 December 1957
...H.J. Beach; W.C. Goins, Jr. Published in Petroleum Transactions, AIME, Volume 210, 1957, pages 148–152. Abstract The laboratory development and field use of oil well cement compositions with high resistance to drilling mud contamination are described. Resistance is obtained by adding a 1-lb mixture...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 16–19, 1999
Paper Number: SPE-50721-MS
... was presented. Write Librarian, SPE, P.O. Box 833836, Richardson, TX 75083-3836, U.S.A., fax 01-972-952-9435. Abstract It has been proposed (e.g. Ref. 1) that formation water compositions can be calculated from drilling mud contaminated sample analyses using a simple mixing model if a tracer is added...
Proceedings Papers

Paper presented at the SPE Health, Safety and Environment in Oil and Gas Exploration and Production Conference, November 11–14, 1991
Paper Number: SPE-23358-MS
... the advantages of the oil based drilling fluids. Continued use of oil based drilling fluids is therefore necessary for efficient drilling operations. However, a problem arises in disposing of the oil based mud contaminated cuttings generated in the drilling process. These are conventionally discharged overboard...
Images
Effect of synthetic-base <b>mud</b> <b>contamination</b> on cement set time and compressi...
Published: 02 February 2010
Figure 1 Effect of synthetic-base mud contamination on cement set time and compressive-strength development at 145°F. More
Images
Effect of <b>mud</b> <b>contamination</b> on the CS development
Published: 20 October 2015
Figure 1 Effect of mud contamination on the CS development More
Images
Thickening Time data of cement slurry Pilot test without <b>mud</b> <b>contamination</b>
Published: 06 August 2018
Figure 1 Thickening Time data of cement slurry Pilot test without mud contamination More
Images
Effects of <b>Mud</b> <b>Contamination</b> on Cement Strength
Published: 18 October 2011
Figure 12 Effects of Mud Contamination on Cement Strength More
Images
Plot of Cl concentration versus the calculated <b>mud</b> <b>contamination</b> fraction i...
Published: 29 March 2019
Figure 1 Plot of Cl concentration versus the calculated mud contamination fraction in one field example. More
Images
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, June 20–21, 2018
Paper Number: SPE-190746-MS
... are often contaminated with mud filtrate that has invaded the formation during drilling. By adding a tracer to the drilling mud and using a simple mass balance correction technique, it is possible to correct for the effects of contamination and obtain an estimate of the formation water composition...
Proceedings Papers

Paper presented at the Nigeria Annual International Conference and Exhibition, August 6–8, 2012
Paper Number: SPE-163023-MS
... ABSTRACT Drilling of oil well is a capital intensive project; hence, the importance of selection of proper mud system that is free from contamination cannot be overemphasized. A poor design and contaminated drilling fluid can be very costly in the life of any well. Therefore, during drilling...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193519-MS
... Abstract Oil-Based Mud (OBM) contaminated Pressure-Volume-Temperature (PVT) samples presents a strong challenge for accurate study of fluid properties, phase behavior and geochemical characterization of reservoir fluids. On-site analyses of OBM contamination in reservoir fluid samples...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27291-MS
...—and correct for, as required—fluid contaminants caused by invaded mud filtrates. New measurements are combined with new algorithms to yield a harmonized contamination quantification solution that is applicable to all fluids and mud types. The quantification of drilling fluid content is at its most...
Proceedings Papers

Paper presented at the SPWLA 46th Annual Logging Symposium, June 26–29, 2005
Paper Number: SPWLA-2005-LLL
... contamination Sci contamination index base oil snp base oil Symposium relaxation time SPWLA 46th Annual Logging Symposium, June 26-29, 2005 1 EFFECT OF DRILLING-MUD BASE-OIL CONTAMINATION ON CRUDE OIL T2 DISTRIBUTIONS A. Kurup and G. J. Hirasaki, Rice University Copyright 2005, held jointly...

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