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Keywords: cement
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Proceedings Papers
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0114
...SPWLA 65th Annual Logging Symposium, May 18-22, 2024 DOI: 10.30632/SPWLA-2024-0114 AN EVALUATING CEMENT METHOD USING GAMMA-GAMMA DENSITY IMAGING LOGGING IN DOUBLE CASING WELL Yiming Yu, Feng Zhang, Luyu Zhong, Zhenhua Hu, Yuexiang Dai, School of Geosciences, China University of Petroleum (East...
Proceedings Papers
Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0094
... importantly, the quality of cement, which is difficult to evaluate quantitatively downhole, casts a significant impact on formation density measurement. To obtain accurate thru-casing density in scenarios where cement information is incomplete or uncertain, a new interpretation model is introduced...
Proceedings Papers
Michael Sullivan, Haijing Wang, Alexei Bolshakov, Lisa Song, Michael Lazorek, Vahid Tohidi, Yegor Se
Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-G
... organic carbon, Poisson s ratio, and Young s modulus along lateral wells. We emphasize the impact of completion design and hardware on cased-hole measurement, which would require additional casing and cement corrections for pulsed-neutron spectroscopy logs and impose special requirement on sonic tool...
Proceedings Papers
Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-H
...SPWLA 60th Annual Logging Symposium, June 17-19, 2019 DOI: 10.30632/T60ALS-2019_H 1 IMPACT OF CEMENT QUALITY ON CARBON/OXYGEN AND ELEMENTAL ANALYSIS FROM CASED-HOLE PULSED-NEUTRON LOGGING AND POTENTIAL IMPROVEMENT USING AZIMUTHAL CEMENT BOND LOGS Haijing Wang1, Michael Sullivan2, Yegor Se1, David...
Proceedings Papers
Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-MM
...SPWLA 59th Annual Logging Symposium, June 2-6, 2018 1 NOVEL SMART CEMENT FOR IMPROVED WELL INTEGRITY EVALUATION Hani Elshahawi and Shan Huang, Shell International Exploration and Production Inc, Jacob Pollock, and Vinod Veedu, Oceanit Copyright 2018, held jointly by the Society of Petrophysicists...
Proceedings Papers
Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-I
... / 8 inch casing, so the frequency was picked to simulate a real well. The casing can be cast with cement under pressure to differentiate good and bad bonding, or the vessel can be filled with a rock sample, a second casing, or any fluid. A detailed study of this new laboratory setup has been...
Proceedings Papers
Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-FF
... without it must be found. Replacing the formation with a similar facility would be very expensive. Furthermore, the task is almost impossible because the API unit is an arbitrary unit that depends on the exact details of cement, casing, and concentrations of K, U, and Th found in the API Formation...
Proceedings Papers
Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-RRRR
... analysis uranium calibration facility low-activity zone Upstream Oil & Gas cement Symposium conversion factor radionuclide University well logging tool characterization gamma ray tool characterization calibration pit high-activity zone borehole potassium spwla 58 Scenario SPWLA 58...
Proceedings Papers
Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-MMMM
...SPWLA 56th Annual Logging Symposium, July 18-22, 2015 1 THE EFFECT OF TIME ON APPARENT CEMENT INTEGRITY TIME LAPSE LOGGING OF CEMENT BOND LOGS. Ian Leslie, Region Technical Advisor, Well Integrity, Baker Hughes Inc. Tom Bradley, Region Technical Advisor, Petrophysics, Baker Hughes Inc. Julius...
Proceedings Papers
Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-VVVV
... Abstract The importance of cement evaluation has steadily increased as the oil and gas industry strives to ensure and verify zonal isolation. Evaluation must address a broad spectrum of downhole conditions that include various casing thicknesses, mud weights, and cement types. The most...
Proceedings Papers
Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-NNN
... as low as 1.5 ft. Failing cement can have an adverse impact on C/O measurements. Pools of oil directly behind casing will dominate the C/O signal and obscure any reading from the formation. Many examples of this phenomenon have been observed over the years. They can be diagnosed through use...
Proceedings Papers
Alexei Bolshakov, Ed Domangue, Mort Houston, Guillermo Bur, Anton Sinev, Vitaly Dorovsky, Doug Patterson, Maxim Podberezhnyy
Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-Q
... Abstract Recent changes in guidelines for isolation of potential flow zones during well construction present new challenges for cement bond logging (CBL) tools. One challenge is cement evaluation logging in large thickwalled casing, i.e., casing with an outside diameter (OD) of 14 in or larger...
Proceedings Papers
Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-HHH
... well logging resin spwla 55 epoxy-based resin batch casing and cementing log analysis Upstream Oil & Gas zonal isolation application Symposium cement and bond evaluation cement operation epoxy-based resin cement successful identification cement interval identification epoxy...
Proceedings Papers
Long Jiang, Dominique Guillot, Milad Meraji, Puja Kumari, Benoit Vidick, Bill Duncan, Gamal Ragab Gaafar, Salmi B Sansudin
Paper presented at the SPWLA 53rd Annual Logging Symposium, June 16–20, 2012
Paper Number: SPWLA-2012-078
... ABSTRACT: Isolating through proper cementing is critical in depleted reservoirs, which are often near or very close to higher pressure water zones. These same reservoirs are often multilayered but production is not allowed to be comingled, making isolation through cement integrity even more...
Proceedings Papers
Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-XX
... ABSTRACT: The evaluation of cement placement and zonal isolation in deep water environments is increasingly challenging. Traditional wireline evaluation methods rely on contrasting attenuation rates of sonic or ultrasonic waves to discriminate between cement and fluid behind pipe. In today's...
Proceedings Papers
Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-PP
... and other cements. In order to constrain the petrophysical models for the oil reservoirs in the Eromanga Basin, an extensive petrological study was proposed, incorporating thin sections analysis, X-Ray diffraction (XRD) and Scanning Electron Microscopy (SEM) to quantify the mineralogy and pore structure...
Proceedings Papers
Paper presented at the SPWLA 51st Annual Logging Symposium, June 19–23, 2010
Paper Number: SPWLA-2010-49618
... limitations owing to the use of gamma ray sources, which typically result in a very shallow depth of investigation. The problem we have faced in the past with the cased hole density measurement was how to know when the data is accurate vs. simply responding to cement or fluid in the annulus. The techniques...
Proceedings Papers
Paper presented at the SPWLA 48th Annual Logging Symposium, June 3–6, 2007
Paper Number: SPWLA-2007-EEE
... Reservoir Characterization flow in porous media microporosity well logging internal sediment Upstream Oil & Gas macroporosity log analysis Fluid Dynamics mesoporosity NMR Paris Basin thin section Micrite sem view Symposium MICP grainstone carbonate diagenesis cement...
Proceedings Papers
Paper presented at the SPWLA 48th Annual Logging Symposium, June 3–6, 2007
Paper Number: SPWLA-2007-N
... further describe aspects of the problem and report the findings, serving as the first step toward a means to understand and correct for these effects. well logging decay curve cement tool response Upstream Oil & Gas perf tunnel borehole Modeling & Simulation capture cross section...
Proceedings Papers
Paper presented at the SPWLA 47th Annual Logging Symposium, June 4–7, 2006
Paper Number: SPWLA-2006-B
... from a well in a West Texas oil reservoir revealed that the connectivity of neighboring molds was influenced heavily by flow paths that traverse a microporous matrix of cements in between the molds. A new process to build a pore network model from the CT images was developed. This process involved...
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