1-20 of 28
Keywords: pore throat
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5003
... characterization of the reservoir, where the pore throat radius distribution from high-pressure mercury injection becomes the basis of the differentiation between what is considered reservoir and what is not. Pore throat radius estimated from High Pressure Mercury Injection (R35) correlates extremely well...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-C
... of pore throat resolution parameter (Figure 3). The parameter denotes the ratio of pore throat size (entry pore throat for mercury in a MICP experiment) and image voxel size Further details can be found in Saxena et al. (2018). Figure 2: Comparison between laboratory measured (black symbols...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-D
... these carbonate fields were used to predict an entry pore throat radius corresponding to potential hydrocarbon charge. The predicted entry pore throat log combined with the pore throat size corresponding to capillary pressure at specific height above free water level (HAFWL) allowed to define zones which were...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-GGG
... in rocks with predominance of moldic porosity indicate narrower pores throats than rocks with predominantly interparticle pores, which might reflect on low permeability. When NMR calculation was performed (e.g. Coates equation), rocks with moldic porosity showed slightly lower permeability values than...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-RRRR
... into a number of petrophysical rock types using a novel scheme. The novel classification is done by applying carefully designed cutoffs to the pore throat radii of the core samples and is propagated to the entire well with an artificial neural network. For each rock type, the parameters in the Timur-Coates...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-OO
..., confirm a free water level and evaluate various uncertainties. A key to successful Petrophysical Rock Typing (PRT) is to identify a mathematical relationship between trends of various predicted pore throat sizes versus depth and log analysis based initial water saturation or irreducible water saturation...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-RR
... improved compared to a T 2 -based approach, of which T 2 cutoff values vary from a few tens of milliseconds to a few seconds. Based on mercury injection capillary pressure results, the T 1 /T 2 ratio-based cutoff is used to differentiate porosity with a pore throat radius larger than 2 µm from smaller...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-HH
... of hydrocarbon- bearing formations by logging information about the pore space and the fluids contained therein. Two new approaches have been developed for evaluating NMR data in chalk. One approach is for reservoir characterization by deriving pore throat radii from NMR T2 distributions and estimating an NMR...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-X
... population of pore sizes between 1-10 nm measured by the NMR measurement. However given that the largest pore spaces and by proxy largest continuous connected pore throats have the largest impact on fluid flow, numerical flow simulations on 3D SEM volumes where sub-resolution pore sizes cannot be segmented...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-KKK
... SPWLA 55rd Annual Logging Symposium, May 18-22, 2014 1 WINLAND PORE THROAT PREDICTION METHOD - A PROPER RETROSPECT: NEW EXAMPLES FROM CARBONATES AND COMPLEX SYSTEMS G.W. Gunter (SLB/NExT), D.R. Spain (BP), E.J. Viro (Consultant), J. B. Thomas (Consultant), G. Potter (Devon) and J. Williams (BP...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-SS
.... This approach is very simple and most reliable in that we monitor the brine production coming through the pore throat replaced by injection fluids. However, the downstream brine production rate is very small to detect especially just around the breakthrough point. It can cause an overestimation of the threshold...
Proceedings Papers

Paper presented at the SPWLA 53rd Annual Logging Symposium, June 16–20, 2012
Paper Number: SPWLA-2012-224
... rock type determination machine learning well logging Upstream Oil & Gas porosity oil sand bitumen correlation evaluation characteristic pore throat Reservoir Characterization Artificial Intelligence information pore throat radius Cerro Negro Field determination spwla 53rd...
Proceedings Papers

Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-F
... not take into account the pore structure information, such as the connectivity of pore throats and their configuration. We found that the porosity, maximum radius of connected pore throats and the sorting index of all pore sizes are the main three factors for determining the permeability of tight sands. We...
Proceedings Papers

Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-D
... in formation fluid flow. This paper explores the details of data integration of various measurements and demonstrates their reasonable consistency, and explains the petrophysical rock type model. Specifically, it demonstrates the complexities of pore body and pore throat network features of different rock...
Proceedings Papers

Paper presented at the SPWLA 51st Annual Logging Symposium, June 19–23, 2010
Paper Number: SPWLA-2010-86800
... irreducible water saturation from pore throat radius distribution for different kind of rocks. Several oilfield examples from Anlu district in Sichuan basin show that NMR logs are effective in pore structure evaluation, permeability estimation and irreducible water saturation calculation in low permeability...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-62185
... and pore throat geometry. These distributions are a primary control on fluid movement in the reservoir. Knowledge of the pore geometry is critical to optimize the number of wells in a carbonate field, to optimize facilities, and to estimate recoverable reserves, etc. Recent work to define petrophysical...
Proceedings Papers

Paper presented at the SPWLA 49th Annual Logging Symposium, May 25–28, 2008
Paper Number: SPWLA-2008-CCC
... almost entirely by the single constant ‘a’. The constant ‘a’ is found to be predominantly dependent on reservoir pore geometry. Thin section analysis showed that the fields with a low ‘a’ value have well connected evenly spaced pores, lack pore throat bridging, blocking and grain coating clays and have...
Proceedings Papers

Paper presented at the SPWLA 49th Annual Logging Symposium, May 25–28, 2008
Paper Number: SPWLA-2008-AA
... are studied elementally, they are not sound. So the clue must be changed. These problems can be resolved by mercury-injection experiments, from which, mercury-injection capillary pressure curves can be obtained, then the distribution of pore throat radius will be extracted to evaluate the quality of reservoir...
Proceedings Papers

Paper presented at the SPWLA 48th Annual Logging Symposium, June 3–6, 2007
Paper Number: SPWLA-2007-X
... log analysis total porosity oil saturation spwla 48 porosity well logging NMR mud pore throat China University evaluation Symposium relaxation time petrophysical parameter saturation permeability Upstream Oil & Gas Wang application Jiyang depression reservoir SPWLA...
Proceedings Papers

Paper presented at the SPWLA 45th Annual Logging Symposium, June 6–9, 2004
Paper Number: SPWLA-2004-DDD
... ABSTRACT The classical determination of rock quality based on mercury injection and the empirical equations of pore throat radius dominating the fluid flow or port size, established by Winland and Pittman is a destructive procedure. However, by means of NMR measurements and the Timur-Coates...

Product(s) added to cart

Close Modal