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5.1 Reservoir characterization

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Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107263-MS
... for a carbonate reservoir from well logs and core data using the concept of flow units. Characterization of carbonate reservoirs by flow units is a practical way of reservoir zonation. The study represents a petrophysical-based method that uses well loggings and core plug data to delineate flow units within...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 16–18, 2009
Paper Number: PETSOC-2009-026
... of PetroChina reserves extra heavy oil. The reservoirs are characterized in high porosity, high permeability,thick pay,bedded formation,relatively shallow burial, low original reservoir pressure and pressure and bad physical properties of crude oil.CSS is implemented in production. Casing failure often occurs...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 10–12, 2003
Paper Number: PETSOC-2003-004
... Abstract Gudao shallow gas field has been in later production period. In order to improve the development results, researches of reservoir characterization and enhancing gas recovery were launched in 1997. Utilizing technical measures including geology, geophysical, logging, gas reservoir...
Proceedings Papers

Paper presented at the SPE International Petroleum Conference and Exhibition in Mexico, February 10–12, 2002
Paper Number: SPE-74357-MS
... on Structural Geology in Reservoir Characterization and Field Development, ICSTM, London, 27-29 March 1995 7. Durucan, S. and Daltaban, T. S.: Numerical Modeling and Experimental Verification of Stress and Pore Pressure Dependent Permeability behavior of Coal Seams Around the Wellbores , INTERGAS 95, May 15-19...
Journal Articles
J Pet Technol 41 (07): 741–746.
Paper Number: SPE-18278-PA
Published: 01 July 1989
...-tank m3 [120 MMSTB]. The reservoir is at a depth of about 2400 m [7,875 ft] subsea and consists of two oil-bearing formations: the Tor and Hod. About two-thirds of the oil and the majority of the productivity are in the Tor, which is a soft chalk formation characterized by very high purity (95 to 98...
Journal Articles
SPE Form Eval 4 (02): 138–144.
Paper Number: SPE-16770-PA
Published: 01 June 1989
... affected by borehole conditions. As discussed by Bertozzi el al., IPe (in barns per electron) is related to lithology by (1) where Z=effective atomic number of the formation. Because the principal reservoir rocks (sandstone, limestone, and dolomite) each have different atomic numbers, they may...
Journal Articles
J Pet Technol 40 (01): 83–88.
Paper Number: SPE-13719-PA
Published: 01 January 1988
... × 10 m /m [5.1 STB/Mcf]). Reservoir pressures indicated that this gas could have been in communication with the oil. This would be rather unconventional, however. because the oil is undersaturated. It is known that under special conditions gravity forces can induce variations in composition along...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 7–9, 1991
Paper Number: SPE-21641-MS
..., that produce high formation gas oil ratios. produce high formation gas oil ratios. In Barinas and Apure crudes have gravities that vary between 20 and 35 deg. API. The reservoirs are characterized by relatively high productivity Indices, associated aquifers, and insignificant producing gas-oil ratios...
Journal Articles
SPE Res Eng 5 (01): 95–99.
Paper Number: SPE-18331-PA
Published: 01 February 1990
...-injection technique had the ca- pacity of reducing the wetting-phase saturation to values below about 15%. For this and other reasons, the concept arose that reservoir rocks are characterized by a minimum or irreducible water satura- tion value. Today, each of the traditional methods used to measure capil...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 14–16, 2014
Paper Number: SPE-171524-MS
... gradients were also available from RFT/MDT. The challenge was to generate representative PVT properties for the oil zone for reservoir simulation by integrating these partial datasets. Due to condensate production, it was necessary also to incorporate and characterize the vaporized oil fraction in the gas...
Journal Articles
SPE Prod & Oper 4 (01): 63–68.
Paper Number: SPE-16887-PA
Published: 01 February 1989
... then be defined in terms of fluid reactivity and injection rate. Introduction Much less is known about matrix acidizing of carbonate reservoirs than sandstone acidizing; models for sandstone acidizing have existed for more than 10 years. The main reason for this lack of knowledge is that in sandstone acidizing...
Proceedings Papers

Paper presented at the Technical Meeting / Petroleum Conference of The South Saskatchewan Section, October 6–8, 1992
Paper Number: PETSOC-SS-92-20
..., and with two impure CO 2 gases (one containing 9.9. mol % CH 4 and the other containing 5.1 mol % N 2 5.1 mol % CH 4 in CO 2 as contaminants) at various pressures and the reservoir temperature of 59 °C. The tests were also carried out to determine the maximum amount of impurities in CO 2 that can...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 1980
Paper Number: SPE-9229-MS
.... In summary then, we have presented a first-contact miscible flooding study in both laboratory sand- stones and reservoir carbonates. These results demonstrated such flow tests may be used to characterize the miscible displacement behavior in a given porous medium. In particular, the displacements...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168966-MS
... permeability Flow behavior in shale gas and tight gas reservoirs is characterized by single-phase (gas) and/or multi-phase (gas, gas condensate and/or brine) flow and transport in extremely low-permeability, highly heterogeneous porous/fractured, and stress-sensitive rock. The multi-scaled fractures...
Proceedings Papers

Paper presented at the SPE/DOE Symposium on Improved Oil Recovery, April 17–21, 2004
Paper Number: SPE-89477-MS
... the impurity in the CO2 stream consisted of 5.1 mol% N2 + 5.1 mol% CH4, the saturation pressure was as high as 16.3 MPa. All three mixtures had essentially the same reservoir fluid/gas molar ratio: ~42/58 (reservoir fluid to gas). The experimental results indicate that CH4 in the CO2 stream is less effective...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 31–April 2, 2014
Paper Number: SPE-169740-MS
... on the reservoir scale are poorly understood. This paper describes and analyses oil mobilization experiments of heavy oils by imaging instable displacement at adverse mobility ratio water and polymer floods. Two-dimensional flood experiments have been performed using Bentheimer outcrop slabs. X-ray imaging...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-GGG
... of these rocks generates opposite permeability patterns which cannot be easily identified in NMR logging. log analysis well logging Reservoir Characterization rudstone bioclastic carbonate reservoir pore type Upstream Oil & Gas petrography porosity centrifugation reservoir flow in porous...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181825-MS
... imbibition contributes to auto-removal mechanism of water damage. However, water imbibition into fractured shale reservoirs is a physic-chemical and multiscale flow process, which is significantly different from conventional reservoirs. Therefore, we systematically characterize the samples by measuring...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0537
... Laubscher mapping reservoir simulation strength goldfield ghana Reservoir Characterization classification kinematic analysis metals & mining orientation rockmass classification system slope failure rockmass classification discontinuity wedge failure plane Rockmass Characterization...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1245
... characterization shale oil enhanced recovery shale gas sagd oil shale steam-assisted gravity drainage reservoir simulation thermal method flow in porous media complex reservoir upstream oil & gas resolution pore proceedings bakken formation assady reserves evaluation segmentation tensor...

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