Publication Archive

Enhanced Oil Recovery (EOR)

Bondor, P.L. 1993. Applications of Economic Analysis in EOR Research, Journal of Petroleum Technology 45 (4):310-312.

Stein, M.H., Frey, D.D., Walker, R.D. and Pariani, G.J. 1992. Slaughter Estate Unit CO2 Flood: A Comparison between Pilot and Field-Scale Performance. Journal of Petroleum Technology 44 (9): 1026-1032

Bondor, P.L. 1992. Applications of Carbon Dioxide in Enhanced Oil Recovery. Proceedings of the 1st International Conference on Carbon Dioxide Removal (Blok, et. al., Ed.), Amsterdam. 4-6 March.

Bondor, P.L. 1991. Dilute Surfactant Flooding for North Sea Applications — Technical and Economic Considerations. 6th European Symposium on Improved Oil Recovery, Stavanger, Norway. 21-23 May.

Bondor, P.L. 1991. Surfactant Flooding: Problems and Prospects, in Chemicals in the Oil Industry: Developments and Applications. Proceedings of the Symposium organized by the Royal Society of Chemistry (Ogden, Ed.). London. 8-11 April.

Chopra, A.K., Stein, M.H. and Dismuke, C.T. 1990. Prediction of Performance of Miscible — Gas Pilots. Journal of Petroleum Technology 42 (12): 1564-1572.

Ader, J.C. and Stein, M.H. 1984. Slaughter Estate Unit Tertiary Miscible Gas Pilot. Journal of Petroleum Technology 36 (5): 836-845

Bondor, P.L., Hirasaki, G.J. and Tham, M.J. 1972. Mathematical Simulation of Polymer Flooding in Complex Reservoirs. SPE Journal 12(5):363-382.

Singhal, A.K., G. Nieuwenburg, L. Dagdick and N. Roach. 1992. Insights on Reservoir Heterogeneities and Performance of Waterflood at the Bone Creek Unit Obtained From Interwell Tracer Interpretations. J. Can. Pet. Tech. 31 (8): 20-28.

Singhal, A.K. 1996. Water and Gas Coning/Cresting-A Technology Overview. J. Can. Pet. Tech., 35(4): 56-62.

S. Asgarpour and Singhal, A.K. 1985. E.O.R. Symposium: Gulf Canada's Contributions. J. Can. Pet. Tech., 24: 27-28.

L. L. Schramm, B. Wagg, E. E. Isaacs, Singhal, A.K., B. Hawkins, et al. 2000. Technology Development for Conventional Petroleum Reservoirs. J. Can. Pet. Tech., Canadian Advantage 2000 Issue, pp. 31-46, May 2000.

A. Turta, B. B. Maini, F. Wassmuth and Singhal, A.K. 2000 Screening Software for EOR 16th World Petroleum Congress, Calgary,.

Singhal, A.K., B. Geshelin, S. Asgarpour, and S. J. Springer. 1987 Optimizing Gas Products' Recovery from a Partially Pressure Maintained Associated Gas Pool, Paper CIM, # 87-38-85,.

Singhal, A.K. and Y. Ito, 1990. Transmissibility Multipliers: What Do They Mean, CMG Advances, Vol. 3 (1), pp. 3.

Singhal, A.K., 1997. Excessive Water Production: Causes and Control - A Technology Overview. Water Abatement Technology Workshop organised by Petronas Research, DeLima Resort, Langkawi, Kedah, Malaysia, September 11 - 12, 1995, also Petrotech-97, New Delhi, India, Jan. 9-12.

Singhal, A.K. 1998. Good and Bad Heterogeneities from an IOR Perspective. PS98-05, 49th Annual Technical Meeting of the Petroleum Society of CIM, June 9-11.

A. Turta and Singhal, A.K. 1999. Screening for EOR in Foamy Oil/ Worm Hole Prone Heavy Oil Reservoirs. Eighth South Saskatchewan Conference, Regina, October 19.

Singhal, A.K. 2006. Practical Aspects of IOR in Commingled Production. CIPC Paper 2006-12, Seventh CIPC-2006, Calgary, June 13-15.

Singhal, A.K. and C. Holowatuk. 2009. Role of Operating Practices on Performance of Water Floods in Heavy Oil Reservoirs. J. Can. Pet. Tech., pp. 10-12, March 2009.

Singhal, A.K. 1995. Economic Considerations in Development of Improved Recovery Projects. Petroleum Recovery Institute Report, 1994/1995-6, March 1995.

Singhal, A.K. 1995. Cost Effective Surveillance of Improved Oil Recovery Projects. Petroleum Recovery Institute Report, 1995/96-5, October 1995.

Singhal, A.K. 1996. Design and Interpretation of Pilots. Petroleum Recovery Institute Report, 1996/97-3, July 1996.

 

Enhanced Gas Recovery

Turta, Singhal, A.K., S. Sim and B. Hawkins. 2003. Enhanced Gas Recovery (EGR) and CO2 Storage in Dry Gas Pools. Presented at the 24th Annual International Energy Agency Workshop and Symposium, Collaborative Project on Enhanced Oil Recovery, Regina, Saskatchewan, September 7-10, 2003.

T. Turta, Singhal, A.K., S. S. K. Sim and B. F. Hawkins. 2007. Basic Investigations on Enhanced Gas Recovery (EGR) by Gas/Gas Displacement. CIPC 2007-124, June 2007.

Singhal, A.K., A. T. Turta and S. S. K. Sim. 2008. Enhancing Natural Gas Recovery from Nearly Depleted Gas Reservoirs by Injecting Waste Gases. J. Can. Pet. Tech., pp. 39-44, April October 2008.

S. S. K. Sim, P. Brunelle, A. Turta and Singhal, A.K. 2008. Enhanced Gas Recovery and CO2 Sequestration by Injection of Exhaust gases from Combustion of Bitumen. SPE 113214, submitted to the Sixteenth SPE Improved Oil Recovery Symposium, Tulsa OK, 20-23 April 2008.

S. S. K. Sim, A. T. Turta, Singhal, A.K., B. F. Hawkins. 2009. Enhanced Gas Recovery: Factors Affecting Gas-Gas Displacement Efficiency. J. Can. Pet. Tech., pp. 49-55, August 2009.

F. Javadpour, Singhal, A.K., A. Turta, D. Fisher, S. Sim, M. Valencia, B. Hawkins and W. Gunter. 2007. Carbon Dioxide Flooding of Depleted Oil and Gas Pools. CHEMRAWN-XVII and ICCDU Conference on Greenhouse Gases Mitigation and Utilization, July 2007, Kingston, Ontario, Canada.

Singhal, A.K. and P. K. Mishra. 2008. Enhanced Gas Recovery from Depleted Volumetric Gas Pools, a chapter in Recent Trends in Exploration, Exploitation & Processing of Petroleum Resources (McGraw Hills, 2008).

 

Thermal Recovery

Singhal, A.K. 1980. Physical Model of Inverted Seven-Spot Steam Floods in a Pool Containing Conventional Heavy Oil. J. Can. Pet. Tech., 19, pp. 123-124, July-September 1980.

Singhal, A.K. and C. C. Card. 1988. Monitoring of Steam Stimulation in McMurray Formation, Athabasca Deposit, Alberta. Journal of Petroleum Technology, Vol.4 (4) pp. 483-490, April l988.

Y. Ito and Singhal, A.K. 1999. Re-interpretation of Imperial Oil's HWPI Project. J. Can. Pet. Tech., Special Edition Vol. 3 8 (13), P54 (Paper 97-58), 1999.

A. Turta and Singhal, A.K. 2001. Reservoir Engineering Aspects of Light Oil Recovery by Air Injection. SPE Reservoir Engineering and Evaluation, pp. 336-344, August 2001.

A. T. Turta, Singhal, A.K., et al. 2009. Preliminary Considerations in Application of Steamflooding in a Toe-to-Heel Configuration”, J. Can. Pet. Tech., 48, pp. 41-50, November 2009.

Singhal, A.K., and K. C. S. Gupta. 1963. Report of Investigation of the Effects of Elevated Temperatures on Consolidated Porous Sedimentary Rocks. UNESCO Project Report, Indian School of Mines.

A. Mar and Singhal, A.K. 1979. In-Situ Emulsification of Oil-Water System during Steam Injection in a Saturated Porous Medium. Presented at the AOSTRA Conference, Fort McMurray, September 1979.

Singhal, A.K., S. K. Das, S. M. Leggitt, M. Kasraie and Y. Ito. 1997. Screening of Reservoirs for Exploitation by Application of SAGD/VAPEX Processes. (SPE 37144), a 3 page synopsis appeared in Journal of Petroleum Technology, pp. 1122-1124, October 1997.

M. Kasraie, Singhal, A.K. and Y. Ito. 1997. Screening and Design Criteria for Tangleflags Type SAGD Projects", SPE 37571, SPE International Thermal Operations and Heavy Oil Symposium, Bakersfield, February 10-12.

Singhal, A.K., Y. Ito and M. Kasraie. 1997. Design of Steam Injection Projects involving Horizontal Wells. SPE 50410.

Singhal, A.K., S. Das, J. Goldman and A. Turta. 2000. A Mechanistic Study of Single Well Steam Assisted Gravity Drainage", SPE 59333.

B. B. Maini, Singhal, A.K., T. Okazawa, Y. Chu, J. P. Batycky and F. Nicola. 1985. Measurements of Fluid and Rock Properties at Elevated Temperatures and Pressures. Petroleum Recovery Institute Report, 1983- 1, November 1985.

S. Asgarpour, Singhal, A.K., C. C. Card, S. J. Springer and T. Wong. 1988. Re-Evaluation of Solvent Requirements for a Hydrocarbon Miscible Flood. SPE Res. Eng., Vol. 3 (1), pp. 227-234.

A. Turta, D. Fisher, Singhal, A.K. and J. Najman. 1999. Variation of Oil-Solvent Mixture Viscosity in Relation to the On-set of Asphaltene Flocculation and Deposition. J. Can. Pet. Tech., Special Edition Vol. 38 (13), P55.

V. K. Shrivastava and Singhal, A.K. 1999. Numerical Simulation of Foam Flooding for Sweep Improvement", J. Can. Pet. Tech., Special Edition Vol. 38 (13), P55.

L. Mohammed-Singh and Singhal, A.K. 2005. Lessons from Trinidad’s CO2 Immiscible Pilot Projects, 1973-2003”, SPEREE, pp. 397-403.

L. Mohammed-Singh, Singhal, A.K., and S. S. K. Sim. 2007. Screening Criteria for CO2 Huff ‘n Puff Operations. SPE-100044, a 3 page synopsis appeared in Journal of Petroleum Technology, pp. 55-57.

Singhal, A.K. 2009. CO2 Flooding Potential in West-Central Alberta: Generalized Business Case of a Medicine River/Gilby Area Mature Water Flooded Reservoir. Paper 2009-10-09, J. Can. Pet. Tech., pp. 1-4.

A. Turta and Singhal, A.K. 2005. Insights on the Design of Field Foam Projects. Technology Bank on-line, Petroleum Society.

R. F. Legere, J.M. Raisbeck, M. Rehman and Singhal, A.K. 1981. Enhanced Recovery by Hydrocarbon Miscible Flood in the Willmar Field. Presented at the 32nd Annual Meeting of the Petroleum Society of CIM, # 81-32-43.

A. Turta, J. Najman, Singhal, A.K., S. M. Leggitt and D. Fisher. 1997. Permeability Impairment due to Asphaltenes during Gas Miscible Flooding and its Mitigation. SPE 37287, presented at the SPE International Symposium on Oilfield Chemistry, Houston, February 18-21.

D. B. Fisher, Singhal, A.K., S. K. Das, J. Goldman and C. Jackson. 2000. Use of Magnetic Resonance Imaging and Advanced Image Analysis as a Tool to Extract Mass Transfer Information from a 2D Physical Model of the Vapex Process. SPE59330, presented at the SPE/ DOE IOR Symposium, Tulsa, April 3-5.

Singhal, A.K., J. Goldman, D. B. Fisher and S. S. Sim. 2002. Oil Rates During Vapex (Vapour Extraction) Operations in Heavy Oil Pools. SPE 75196, presented at the SPE/ DOE IOR Symposium, Tulsa, April 13-17.

Singhal, A.K., D. B. Fisher, H. Fung and J. Goldman. 2002. Compositional Changes During Vapex (Vapour Extraction) Operations in Heavy Oil Pools. CIPC 2002-007, presented at the 53rd Annual Technical Meeting, Canadian International Petroleum Conference, Calgary, June 11-13.

D. B. Fisher, Singhal, A.K., J. Goldman, C. Jackson and L. Randall. 2002. Insights from MRI and Micro-model Studies of Transport of Solvent into Heavy Oil during Vapex. SPE 79024, presented at SPE International Thermal Operations and Heavy Oil Symposium and International Horizontal Well Technology Conference, Calgary, 4-7. November, 2002.

Ganesan Nadeson, Nor Aidal Anua, Ramli B. Ibrahim and Singhal, A.K. 2004. Water-Alternating-Gas (WAG) Pilot Implementation, A First EOR Development Project in Dulang Field, Offshore Peninsular Malaysia. SPE 88499, presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition (APOGCE), Perth, Australia, 18-20 October, 2004.

A. N. Cavallaro, Repsol-YPF; S. Sim, Singhal, A.K., and D. Fisher, Alberta Research Council, G. R. Galliano, Repsol-YPF. 2005. Laboratory Investigation of an Innovative Solvent Based Insitu Upgrading and Concurrent Enhanced Oil Recovery Technique. Paper 2005-016, presented at the Sixth CIPC, Calgary.

A. T. Turta, Singhal, A.K. and S. J. Springer. 2006. Selection of Major Oil Pools for CO2 Miscible Flooding and CO2 Storage. Paper 2006-128, presented at CIPC-2006.

A. Turta, J. Najman, D. B. Fisher, S. M. Leggitt and Singhal, A.K. 1995. Development of Methods to Control Damage Caused by Asphaltene Deposition in Porous Media During Gas Miscible Flooding", Petroleum Recovery Institute Report, 1995/96-4.

Singhal, A.K., S. S. K. Sim and B. F. Hawkins. 2008. Solvent Retention in Gas Injection projects, accepted as an alternate paper at CIPC/SPE GTS 2008 Joint Conference, Calgary, June 17-19, 2008. Paper 2008-172.

 

Geomechanics

Avasthi, J.M., Goodman, H.E., and Janson, R.P. 1999. Acquisition, Calibration, and Use of the In Situ Stress Data for Oil/Gas Well Construction and Production. Presented at the 2nd Euroconference on World Stress Map: Deformation and Stress in the Earth's Crust, Oskarshamn, Sweden, 23-25 September.

Avasthi, J.M. 1998. Impact of In-Situ Stress Evaluations. Presented at Euro-conference on Earth Stress and Industry. Heidelberg, Germany, 3-6 September.

Advani, S.H., Lee, T.S., Dean, R.H., Pak, C.S., and Avasthi, J.M. 1997. Fracture Fluid Lag in Three Dimensional Hydraulic Fractures. International Journal for Numerical and Analytical Methods in Geomechanics 21 (4): 229-240.

de Rouffignac, E. and Bondor, P.L. 1995. Land Subsidence and Well Failure in the Belridge Diatomite Oil Field, Kern County, California, Part I: Experiments, Model and Verification, Proceedings of the 5th International Symposium on Land Subsidence (Behrends, Ed.), The Hague, Balkems, Rotterdam, 16-20 October.

Bondor, P.L. and de Rouffignac, E. 1995. Land Subsidence and Well Failure in the Belridge Diatomite Oil Field, Kern County, California, Part II: Applications, Proceedings of the 5th International Symposium on Land Subsidence (Behrends, Ed.), The Hague, Balkems, Rotterdam, 16-20 October.

Wright, C.A., Conant, R.A., Golich, G.M., Bondor, P.L., Murer, A.S. and Dobie, C.A. 1995. Hydraulic Fracture Orientation and Production/Injection Induced Reservoir Stress Changes in Diatomite Waterfloods. Paper SPE 29625 presented at the 1995 SPE Western Regional Meeting, Bakersfield, California, 8-10 March.

de Rouffignac, E., Karanikas, J.M., Bondor, P.L. and Hara, S.K. 1995. Subsidence and Well Failure in the South Belridge Diatomite Field. Paper SPE 29626 presented at the 1995 SPE Western Regional Meeting, Bakersfield, California. 8-10 March.

Nolen-Hoeksema, R.C., Avasthi, J.M., Pape, W.C., and El Rabaa, A.W.M. 1994. Waterflood Improvement in the Permian Basin: Impact of In-Situ Stress Evaluations. SPE Reservoir Engineering 9 (4): 254-260.

Advani, S.H., Lee, T.S., Dean, R.H., Pak, C.S., and Avasthi, J.M. 1993. Fracture Fluid Lag in Three Dimensional Hydraulic Fractures: Sources and Consequences. Paper SPE 25888 presented at the SPE Joint Rocky Mountain Regional/Low Permeability Reservoir Symposium, Denver, Colorado, April 1993: 451-460.

Avasthi, J.M., Nolen-Hoeksema, R.C., and El Rabaa, A.W.M. 1991. In-Situ Stress Evaluation in the McElroy Field, West Texas. Transaction 20105. SPE Formation Evaluation 6 (3): 301-309.

Lee, T.S., Advani, S.H.,and Avasthi, J.M. 1991. Characteristic Time Concept in Hydraulic Fracture Configuration, Evolution and Optimization. SPE Production Engineering 6 (3): 323-330.

Lee, T.S., Advani, S.H.,and Avasthi, J.M. 1991. Authors Reply to Discussion of the Characteristic Time Concept in Hydraulic Fracture Configuration, Evolution and Optimization by Geertsma, J. SPE Production Engineering 6 (3): 332-333.

Avasthi, J.M., Nolen-Hoeksema, R.C., El Rabaa, A.W.M., and Wilson, L.E. 1990. In-Situ Stress Evaluations in McElroy Field, West Texas. Paper SPE 20105 presented at SPE Permian Basin Oil and Gas Recovery Conference, Midland, Texas: 177-188.

Avasthi, J.M. 1990. Method to Create Parallel Vertical Fractures in Inclined Wellbores. United States Patent No. 4977961, December 18:7

Advani, S.H., Lee, T.S. and Avasthi, J.M. 1989. Parametric Sensitivity Investigations for Hydraulic Fracture Configuration Optimization. Rock Mechanics as a Guide for Efficient Utilization of Natural Resources (A.W. Khair, Ed.): 451-457. 30th U.S. Symposium on Rock Mechanics, Morgantown, West Virginia.

Lee, T.S., Advani, S.H., Avasthi, J.M. and Lee, J.K. 1989. Characteristic Time Concept Associated with Hydraulic Fracture Configuration, Evolution and Optimization. Paper SPE 19000 presented at the SPE Joint Rocky Mountain Regional Meeting and Low Permeability Reservoir Symposium, Denver Colorado, March 1989: 482-498.

Lee, J.K., Advani, S.H., Avasthi, J.M. and Chen, S.K. 1986. Application of Rock Mechanics and Finite Element Method to Underground Coal Gasification Process. Rock Mechanics: Key to Energy Production (H.L. Hartman, Ed.): 725-732. 27th U.S. Symposium on Rock Mechanics, Tuscaloosa, Alabama.

Lee, J.K., Avasthi, J.M., Advani, S.H., and Kitamura, M. 1985. Parameter Sensitivity Studies for UCG Related Subsidence Modeling. 11th Underground Coal Gasification Symposium: 424-433, Denver, Colorado.

Avasthi, J.M. and Lee, J.K. 1985. Subsidence Modeling of Rawlins Underground Coal Gasification Tests 1 and 2. 10th Underground Coal Gasification Symposium: 500-511, Williamsburg, Virginia.

Avasthi, J.M. and Singleton, A.H. 1984. Underground Coal Gasification: A Near Term Alternate Fuel. ASCE Journal of Energy Engineering 110 (2): 89-99.

Avasthi, J.M. 1983. Underground Coal Gasification Cavity Definition for Rawlins Test 2. 9th Underground Coal Gasification Symposium: 87-98, Bloomingdale, Illinois.

Davis, B.E., Avasthi, J.M., Chen, P.Y. and Duerring, N.T. 1983. Underground Coal Gasification Cavity Definition for Rawlins Test 1. INSITU 7 (1): 1-26.

Avasthi, J.M. 1983. Geotechnical Considerations in Underground Coal Gasification. Technical note in Transactions of the Society of Mining Engineers of AIME 274: 1872-1874.

Garon, A.M., Cala, C.G. and Avasthi, J.M. 1982. Rawlins Test 2 Reactor Growth. 8th Underground Coal Conversion Symposium: 103-114, Keystone, Colorado.

Avasthi, J.M. and Harloff, G.J. 1982. Subsidence Associated with Single and Multi cavities for Underground Coal Gasification. Journal of Energy Resources Technology, Transactions of the ASME 104(2): 99-104.

Davis, B.E., Avasthi, J.M., Reid, C.S., Slater, G.E. and LaBerge, G.L. 1981. Rawlins Test #1 Cavity Definition Study, 7th Underground Coal Conversion Symposium: 66-81, Fallen Leaf Lake, California.

Ahner, P.F., Avasthi, J.M., and Schubert, C.E. 1981. UCG Reactor Definition Instrumentation Selection for Rawlins Test 2, 7th Underground Coal Conversion Symposium: 447-460, Fallen Leaf Lake, California.

Salotti, C.A. and Avasthi, J.M. 1980. Subsidence as a Technical Hazard to Underground Coal Gasification, 6th Underground Coal Conversion Symposium: VIII 24-VIII 31, Shangri La, Oklahoma.

Ahner, P.F., Avasthi, J.M., Davis, B.E., Dolde, M.E., Greenman, C.A. and Miranda, J.E. 1980. A Site Qualification Study of the UCG Site at North Knobs, 6th Underground Coal Conversion Symposium: VIII 74-VIII 78, Shangri La, Oklahoma.

Avasthi, J.M. 1978. Hydraulic Fracturing in Anisotropic, Inhomogeneous, and Fractured Rocks, Ph.D. Dissertation, University of Wisconsin-Madison.

Haimson, B.C. and Avasthi, J.M. 1973. Stress Measurements in Anisotropic Rocks by Hydrofracturing. Application of Rock Mechanics (E.R. Hoskins, Ed.): 135-156, 15th U.S. Symposium on Rock Mechanics, Custer State Park, South Dakota.

W. H. Somerton, F. Esfandiary and Singhal, A.K. 1969. Compléments d’études de la relation entre les Propriétés Physiques des Roches et leur Forabilité. Revue de l'Institut Français du Pétrole, 24, pp. 64-80,

Singhal, A.K. and P. M. Dranchuk. 1973. Influence of Particle Diameter and Vibrational Amplitude upon Compaction of Uniform Spheres. Can. J. Chem. Eng., 5 1, pp. 503-6. .

W. H. Somerton, R. Masonheimer and Singhal, A.K. 1970. Study of Pore and Matrix Anisotropies of Porous Rocks. Proc. 2nd Int. Conf. Rock Mech., 1, pp. 143 -151,.

 

Reservoir Engineering

Stein, M.H., and Carlson, F.M. 1993. Dimensionless Equations for Waterflood History Matching. Unsolicited paper SPE 25521.

Carlson, F.M. and Stein, M.H. 1992. Automatic Waterflood History Matching Using Dimensionless Performance Curves. Paper SPE 24897 presented at the 67th SPE Annual Technical Conference and Exhibition (ATCE), Washington, D.C., 4-7 October.

Stein, M.H. and Shiralkar, G.S. 1992. Estimation of Average Reservoir Pressure in Chicken Wire and Nine-Spot patterns Under Mature Waterflood. Unsolicited paper SPE 24399.

Jarrel, P.M. and Stein, M.H. 1991. Maximizing Injection Rates in Wells Recently Converted to Water Injection Using Hearn and Hall Plots. Paper SPE 21724 presented at Production Operations Symposium, Oklahoma City, Oklahoma. 7-9 April.

Chopra, A.K., Stein, M.H. and Ader, J.C. 1989. Development of Reservoir Descriptions to Aid in Design of EOR Projects. SPERE: 143-150; Transactions AIME 261.

Stein, M.H. 1986. Dimensionless pressure of a Vertically Fractured Well Surrounded by Offset Wells. Paper SPE 15639 presented at Annual SPE Conference, New Orleans, Louisiana. 5-8 October.

Stein, M.H. 1986. Volume Averaged Differential Mass Balance Equations for Flow Through Porous Media. Unsolicited SPE paper.

Stein, M.H., Kessler, D.P. and Greenkorn, R.A. 1980. An Empirical Model of Velocity Profile for Turbulent Flow in Smooth Pipes. AIChE Journal 26(2):308-310.

Dietrich, J.K. and Bondor, P.L. 1976. The Effect of Void and Filled Perforations on Well Productivity. Paper SPE 6178 presented at 51st Annual Technical Conference, New Orleans, Louisiana. 3-6 October.

Claridge, E.L. and Bondor, P.L. 1974. A Graphical Method for Calculating Linear Displacements with Mass Transfer and Continuously Changing Mobilities. SPE Journal 14 (6):609-618.

A. Turta, F. Wassmuth, V. Shrivastava and Singhal, A.K. 2008. Toe-to-Heel Waterflooding with Progressive Blockage of the Toe Region. US Patent 7,328,743 B2 dated February 12, 2008.

Singhal, A.K. 1994. Reserves Estimation for Horizontal Well, a chapter written for the Petroleum Society of CIM Monograph No. 1: Determination of Oil and Gas Reserves, Chapter #16, pp. 205-213, 1994; Updated and revised in 2003 for the Second Edition, pp. 231-239, April 2004.

A. T. Turta and Singhal, A.K. 2004. Overview of Short Distance Oil Displacement Processes. J. Can. Pet. Tech., pp. 29-38, February, 2004.

A. T. Turta, J. Goldman, Singhal, A.K. and L. Zhao. 2006. Toe-to-Heel Waterflooding. Part II: 3-D Laboratory Test Results. SPEREE, pp. 202-208, June 2006.

Singhal, A.K. and S. J. Springer. 2006. Characterization and Role of Heterogeneity in Performance of Infill Wells in Water Floods. J. Can. Pet. Tech., pp. 46-52, July 2006.

S. J. Springer and Singhal, A.K. 2007. Obtaining Reservoir Insights from Database on Infill/Step-Out Wells. J. Can. Pet. Tech., pp. 24-28, June 2007.

Singhal, A.K. and S. J. Springer. 2008. Conditions Favorable to Infill drilling in Water Floods in Sandstone Reservoirs Containing Medium/Heavy Oils. J. Can. Pet. Tech., pp. 10-14, July 2008.

S. J. Springer, S. Asgarpour, P. Pantella, and Singhal, A.K. 1990. Enhanced Heavy Oil Production From the West Edam Sparky Pool Using Horizontal Wells. SPE/CIM 90-126, June 1990.

S. J. Springer, S. Asgarpour, P. M. Mutalik, and Singhal, A.K. 1991. Incorporating Risk Analysis in the Economic Evaluation of Two Typical Western Canada Horizontal Well Projects. Presented at the CIM Fourth Saskatchewan Petroleum Conference, paper #13, October 1991.

Singhal, A.K. 1995. Horizontal Wells for Improved Sweep. Presented at the 1995 IEA Conference in Tokyo, Japan and also, CIM 95-111, presented at the CIM Sixth Saskatchewan Petroleum Conference, Regina.

V. K. Shrivastava, Singhal, A.K. and J. Wong. 1998. Strategy for Control of Water and Gas Cresting in a Thin Oil Column Using Horizontal Wells. SPE 39549, presented at the SPE India Oil and Gas Conference and Exhibition, New Delhi, India, April 7-9.

A. Turta and Singhal, A.K. 2001. Toe-to-Heel Water Flooding: Mechanisms and Screening Criteria for Field Application. Presented at the CIM Slugging it Out IX Heavy Oil Conference, Calgary, organised by Petroleum Society of CIM, April 9.

A. Turta and Singhal, A.K. 2001. Gravity Stable Water Flooding: A Potential Recovery Option for Lloydminster Type Reservoirs. Presented at the Eighth One Day Conference on Horizontal Well Technology, Calgary, organised by Canadian SPE and Petroleum Society of CIM, November 7.

A. Turta, C. Ayasse, J. Najman, D. B. Fisher and Singhal, A.K. 2002. Toe to Heel Water Flooding: Mechanisms and Screening Criteria. SPE 78988, presented at SPE International Thermal Operations and Heavy Oil Symposium and International Horizontal Well Technology Conference, Calgary, 4-7 November.

A. Turta, Singhal, A.K., B. Hawkins and D. Fisher. 2010. Toe-to-Heel Waterflooding in Medicine Hat Glauconitic C Reservoir”, CSUG/SPE 136398, presented at the Can. Unconv. Res. & Int. Pet. Conf., Calgary, Oct. 19-21.

S. J. Springer, Singhal, A.K., G. Kvill and D. Sadal. 2002. To Drill or not to Drill a Horizontal Well. SPE 79086, presented at SPE International Thermal Operations and Heavy Oil Symposium and International Horizontal Well Technology Conference, Calgary, 4-7 November.

Singhal, A.K. and S. J. Springer. 2004. Lessons on Application of Horizontal Wells from the Western Canadian Experience. SPE 89372, presented at the 14th SPE/ DOE Symposium on Improved Oil Recovery, Tulsa.

Singhal, A.K. 1994/1995-1998. Concepts in Application of Horizontal Wells to Improved Oil Recovery Projects. Petroleum Recovery Institute Report.

Singhal, A.K. and W. H. Somerton. 1974. Study of Adsorbed Films in Equilibrium with Bulk Liquids by N.M.R Relaxation Techniques. Proc. Ind. Sci. Acad., 40A, pp. 268-277.

Singhal, A.K. and P. M. Dranchuk, 1975. The Use of Modified Threshold Pressure for Determining the Wettability of Packs of Equal Spheres. Powder Technology, 11, pp. 45-59.

Singhal, A.K. and P. M. Dranchuk, 1975. "Wettability Control of Glass Beads", Can. J. Chem. Eng., 53, pp. 3-8.

Singhal, A.K., D. P. Mukherjee and W. H. Somerton. 1976. Effect of Heterogeneous Wettability on Flow of Fluids Through Porous Media, J. Can. Pet. Tech., pp. 63-70.

J. N. Mahto, D. N. Saraf and Singhal, A.K. 1973. Recovery of Normal Paraffins from Petroleum Fractions. Chem. Age. Ind. Pet. Hydro., 7, pp. 257-261.

Singhal, A.K. 1978 “Multi-Component Sorption Equilibria of Hydrocarbon Mixtures in Zeolitic Molecular Sieves”, A.I.Ch.E. Symp. Series # 179, 74, pp. 36-41.

R. P. Shukla, Singhal, A.K. and D. N. Saraf. 1979. Optimal Recovery of Normal Paraffins from Gujrat Kerosene Using a Molecular Sieve Adsorbent. Ind. Chem. Eng., 21, pp. 13-16,.

 

Reservoir Modelling

Singhal, A.K. and W. H. Somerton. 1970. Two Phase Flow Through a Non-Circular Capillary at Low Reynold's Numbers. J. Can. Pet. Tech., 9, pp. 197-205,.

B. P. Pandey and Singhal, A.K. 1976. Evaluation of Pore Size Distribution of Porous Media from Capillary Pressure Curves - a Network Approach. Powder Technology, 15, pp. 89-96,.

Singhal, A.K. and W. H. Somerton. 1977. Quantitative Modelling of Immiscible Displacement Mechanism in Porous Media - A Network Approach, Revue de l'Institut Français du Pétrole, 32, pp. 906-920.

Singhal, A.K. and P. M. Dranchuk, 1980 . Motion of an Oil Droplet through a Water Filled Uneven Pore. Revue de l'Institut Français du Pétrole, 35(6), pp. 993-1010.

J. P. Batycky and Singhal, A.K., 1978. Mobilization of Residual Oil. SPE 7195.

 

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