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Foams for conformance improvement

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Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-17950-MS
... Abstract Foams have proved to be efficient to block temporarily high conductivity layers, and improving gas injection conformance and sweep efficiency in predominantly matrix reservoir systems, at least at lab and field pilot tests; nevertheless, its successful use in naturally fractured...
Journal Articles
J Can Pet Technol 38 (13).
Paper Number: PETSOC-99-13-58
Published: 01 December 1999
... after rupture. The simulation results were consistent with laboratory experiments. Utilization of Polymer Gels, Polymer Enhanced Foams, and Foamed Gels for Improving Reservoir Conformance A. KANTZAS University of Calgary and Tomographic Imaging and Porous Media Laboratory (TIPM) D.F. MARENTETTE, K...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-01
... gel polymer enhanced foam polymer enhanced foam UTILIZATION OF POLYMER GELS POLYMER ENHANCED FOAMS AND FOAMED GELS FOR IMPROVING RESERVOIR CONFORMANCE A.KANTZAS K.ALLSOPP D.MARENTETTE this article begins on the next page F THE PETROLEUM SOCIETY PAPER 97-01 Utilization of Polymer Gels Polymer...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190263-MS
... exists to design steam foam surfactant formulations with improved performance at high temperature. In this paper, a systematic approach to screen surfactants for field applications at high temperature is presented. A feasibility test was conducted with the surfactant formulation (HSF-X) at target...
Journal Articles
SPE Res Eval & Eng 2 (01): 4–13.
Paper Number: SPE-54429-PA
Published: 01 February 1999
... limits of standard gel systems. Foam gel technology is one way to economically achieve in-depth conformance improvement at Rangely by replacing 60 to 80% of the liquid phase by the less expensive CO 2 phase. A gelled foam system was specifically designed for application to Rangely conformance problems...
Journal Articles
SPE Res Eval & Eng 2 (01): 14–24.
Paper Number: SPE-54772-PA
Published: 01 February 1999
...T.L. Hughes; F. Friedmann; D. Johnson; G.P. Hild; A. Wilson; S.N. Davies Summary Large-volume foam-gel treatments can provide a cost-effective method to achieve in-depth conformance improvement in fractured reservoirs. The applicability and cost effectiveness of the approach depends...
Proceedings Papers

Paper presented at the SPE/DOE Improved Oil Recovery Symposium, April 19–22, 1998
Paper Number: SPE-39649-MS
... Abstract Large-volume foam-gel treatments can provide a cost-effective method to achieve in-depth conformance improvement in fractured reservoirs. The applicability and cost-effectiveness of the approach depends on the availability of a cheap source of gas, the efficiency with which the foam...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 1997
Paper Number: SPE-38837-MS
... barrels of CO2 gel led foam were successfully placed via an injector well into the Rangely Weber Sand Unit in Colorado. The treatment objectives were 1) to improve volumetric conformance in this CO2 flood by reducing excessive CO2 breakthrough through fractures and 2) to increase oil recovery from...
Journal Articles
J Can Pet Technol 36 (02).
Paper Number: PETSOC-97-02-01
Published: 01 February 1997
...-forming surfactant onto reservoir rock would not be a big problem if the amount of rock contacted could be kept to a minimum. 1 2 1997 1 2 1997 1997. Petroleum Society of Canada DESIGN AND FIELD TRIAL APPLICATION OF FOAM IN PRODUCTION WELLS TO IMPROVE CONFORMANCE F.Y. WONG D.K. FONG F.J...
Proceedings Papers

Paper presented at the SPE Latin America Petroleum Engineering Conference, March 8–11, 1992
Paper Number: SPE-23754-MS
... reportedl -3. However, foams do suffer from some disadvantages; 2 CONFORMANCE IMPROVEMENT BY USING HIGH TEMPERATURE FOAMS AND GELS SPE 237~4 surfactant must be continually injected to maintain the foam, and foam stability is sensitive to the presence of oil, clays and divalent ions in the reservoir. Gels...
Journal Articles
Journal: SPE Journal
SPE J. (2021)
Paper Number: SPE-206011-PA
Published: 20 December 2021
...Bing Wei; Qingtao Tian; Shengen Chen; Xingguang Xu; Dianlin Wang; Jun Lu Summary There exist two main issues hampering the wide application and development of carbon dioxide (CO 2) foam in conformance improvement and CO 2 mobility reduction in fractured systems: (1) instability of foam film under...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200327-MS
... testing waterflooding evgsau fluid dynamics conformance issue baseline chemical flooding methods conformance improvement drillstem testing reserves evaluation uplift co 2 surfactant injection injection strategy ipl implementation injectivity foam gas injection method upstream oil...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201671-MS
... Abstract Foam stability primarily determines the efficiency of foam induced conformance control especially when fractures exist in formations. In this work, a well-defined nanocellulose fibrils (NCF) strengthened CO 2 foam (NCF-st-CO 2 foam) was proposed aiming to improve the conformance...
Journal Articles
SPE Res Eval & Eng 24 (01): 194–204.
Paper Number: SPE-201199-PA
Published: 10 February 2021
... upstream oil & gas formulation 1 fracture network foam generation conformance improvement gas injection method foam injectivity surfactant water injection drilling operation brine conformance issue implementation injection surfactant concentration machine learning dry state relaxation...
Journal Articles
SPE Res Eval & Eng 23 (04): 1219–1232.
Paper Number: SPE-200336-PA
Published: 12 November 2020
...-CO 2 foam) was proposed, aiming to improve the conformance of tight formations with fractures. The bulk characteristics of NCF-st-CO 2 foam including foamability, foam stability, and texture were thoroughly investigated in a high-temperature and high-pressure (HT-HP) cell. Afterward, foam flow...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201758-MS
... Abstract The objective of this paper is to numerically determine necessary constraints of a novel water-alternating-gas (WAG) foam injection strategy for conformance correction and improved oil recovery with gas-EOR applied in conventional reservoirs. A 3D 5-spot reservoir simulation model...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207410-MS
... process exhibited much higher RF and RRF. Not only that but the RRF post the foam-gel injection was very sustainable. Accordingly, the foam-gel achieved more effective conformance improvement than the foam flood. In both the gel/surfactant and gel only processes, RF and RRF were much higher than those...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200371-MS
... and results of a CO 2 foam pilot in a mature CO 2 flood in West Texas. The objective of the pilot was to demonstrate improved conformance/sweep efficiency of the CO 2 foam over CO 2 WAG injection. Laboratory experiments to guide design of the flood and the monitoring program to understand and model flood...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Caspian Technical Conference, October 5–7, 2021
Paper Number: SPE-207028-MS
... for improving oil recovery, which should be paid extra attention in EOR process. Foam flooding has not only a good mobility control capacity but also a good oil displacement ability (verified by visual observations of washed sand after experiments), which, together with the strong conformance control ability...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191706-MS
... in heterogeneous systems to determine sweep efficiency and oil recovery. Surfactant formulations were developed that showed favorable apparent viscosities during in situ foam floods and improved sweep efficiency in a dual-permeability communicating system comparable to the baseline foam. During oil recovery...

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