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Company       Suzanne Griston Castrup

 

Suzanne Griston Castrup
Vice President

 

Ms. Castrup has published numerous technical papers, holds several patents relating to heavy oil recovery and teaches courses in thermally enhanced oil recovery.  Through various benchmark analytical and experimental studies, she has gained international recognition as an expert in fluid mechanics, heat transfer and thermodynamics.  She also has considerable experience testing and calibrating a variety of measurement equipment and conducting uncertainty analyses.  Her published papers, patents, committee work and awards are listed below.  Email address: scastrup@isgmax.com 

 


Publications
Latif, F.; Castrup, S. and Al Kalbani, A.: "Field Evaluation of MOV Adjustable Steam Chokes," SPE 153726 presented at the SPE Western Regional Meeting, Bakersfield, CA, April 2012..

 

Castrup, S.; Latif, F. and Al Kalbani, A.: "Tapered-Bean Steam Chokes Revisited," SPE 144615 presented at the SPE Western Regional Meeting, Anchorage, AK, May 2011.

 

Castrup, S.: "Important Elements of an Uncertainty Analysis Report," Proceedings of  NCSLI Workshop and Symposium, Providence, RI, July 2010.

 

Castrup, S.: "Comparison of Methods for Establishing Confidence Limits and Expanded Uncertainties," Proceedings of 2010 Measurement Science Conference, Pasadena, CA, March 2010.

 

Castrup, S.: "Applying Measuring and Test Equipment Specifications," Proceedings of  NCSLI Workshop and Symposium, San Antonio, TX, July 2009.

 

Castrup, H. and Castrup, S.: "Uncertainty Analysis for Alternative Calibration Scenarios," Presented at the NCSLI Workshop and Symposium, Orlando, FL, August 2008.   

 

Castrup, S.: "Interpreting and Applying Equipment Specifications," Presented at the NCSLI Workshop and Symposium, Washington D.C., August 2005.

 

Castrup, S.: "Why Spreadsheets are Inadequate for Uncertainty Analysis."  Presented at the 8th Annual ITEA Instrumentation Workshop, Lancaster, CA, May 2004.

 

Griston Castrup, S.: "Assessment of Oil Rate Measurement Accuracy Using Standard Separators to Monitor High-Temperature Cyclic Steam Wells."  SPE 86933 presented at the SPE Western Regional Meeting, Bakersfield, CA, March 2004.

 

Castrup, S.: "A Comprehensive Comparison of Uncertainty Analysis Tools," presented at the Measurement Sciences Conference, Anaheim, CA, January 2004.

 

Griston Castrup,  S.: "Recommended Practices for Slim Hole Steam Injectors" SPE 68808 presented at the SPE Western Regional Meeting, Bakersfield, CA, March 2001.
 
Griston Castrup,  S.: "Orifice Meters for Steam Injector Monitoring - How Accurate Are They?" SPE 68830 presented at the SPE Western Regional Meeting, Bakersfield, CA, March 2001.
 

Morrison, C.; Griston, S.; and Smedley, G.: "A Team Approach to Heat Management: Monarch 2F Steamflood, Midway Sunset Field." SPE 54076 presented at the SPE Int. Thermal Operations & Heavy Oil Symposium, Bakersfield, CA, March 1999.

 

Griston, S.; Gillingwater, E.; and Webb, C.: "Steam Generator Efficiency Measurements: Can they be Reliably used to Optimize Performance?," SPE 54108 presented at the SPE Int. Thermal Operations & Heavy Oil Symposium, Bakersfield, CA, March 1999.

 

Griston, S. and Hutchinson, D.: "Field Testing of Dielectric Steam Quality Sensor," SPE 46236 presented at the SPE Western Regional Meeting, Bakersfield, CA, May 1998.

 

Griston, S. and Choi, J. H.: "Two-Phase Flow Splitting at Side-branching Tees," SPE 46237 presented at the SPE Western Regional Meeting, Bakersfield, CA, May 1998.

Hong, K. C. and Griston, S.: "Best Practice for the Distribution and Metering of Two-Phase Steam," SPE Production & Engineering, August 1997.

 

Griston, S. and Abate, T. A.: "Field Test of Tapered-Bore Chokes for Steam Flow Control," SPE 35677 presented at the SPE Western Regional Meeting, Anchorage, AK, May 1996.

 

Griston, S.: "Evaluation of Steam Flow Rate Equations for Wellhead Chokes," SPE 29628 presented at the SPE Western Regional Meeting, Bakersfield, CA, March 1995.

 

Hong, K. C. and Griston, S.: "Two-Phase Flow Splitting at an Impacting Tee," SPE Production & Facilities, August 1995.

 

Griston, S.: "Evaluation of Radioactive Tracer Surveys for Steam Injection Wells," SPE 20031 presented at the SPE California Regional Meeting, Ventura, CA, April 1990.

Publications
Griston, S.: "Fluid Effects in Temperature Observation Wells," SPE 19740 presented at the 1989 SPE Annual Meeting, San Antonio, TX, October 9-11.

 

Griston, S. and Cire, F.L.: "Evaluation of Two-Phase Steam Flow through an Orifice," SPE 19700 presented at the 1989 SPE Annual Meeting, San Antonio, TX, October 9-11.

 

Griston, S. and Cire, F.L.: "Evaluation of a Two-Phase Steam Flow Loop" presented at the Annual NCSL Workshop & Symposium, June 1989.

 

Willhite, G. P. and Griston, S.: "Wellbore Refluxing in Steam Injection Wells," JPT March 1987.

 

Hong, K. C.; Griston, S.; and Cook, S. D.: "More Effective Means of Distributing Steam into Multisand Reservoirs," presented at the 16th Annual Convention of the Indonesian Petroleum Association, Jakarta, Indonesia, October 1987.

 

Griston, S. and Willhite, G. P.: "Numerical Model for Evaluating Concentric Steam Injection Wells," SPE 16337 presented at the SPE California Regional Meeting, Ventura, CA, April 1987.

 

Hong, K. C. and Griston, S.: "New Methods for Controlled Injection of Steam into Multiple Sands," SPE 15472 presented at the SPE Annual Meeting, New Orleans, LA, October 1986.

 

Organizations & Awards
Society of Petroleum Engineers
SPE member since 1981. Director of the Facilities Study Group for the San Joaquin Valley Chapter 1997-2004. Technical Program Chairperson for 1999 Int. Thermal Operations & Heavy Oil Symposium.  Technical Committee Member and Session Chair for 1998 Western Regional Meeting.

Developer/Instructor of several Continuing Education Courses

Recipient of the 2006 SPE Western Region Award and the 2007 SPE International Award for distinguished contributions to petroleum engineering projects, facilities and construction.

 

Instrument Society of America
ISA member since 1989.  Technical Committee Member for 1998 ISA Symposium in Bakersfield, CA.  Technical Committee Member for 1992 ISA International Symposium & Exhibition, Las Vegas, NV.

 

National Conference of Standards Laboratories
NCSL Member since 1989. 

Currently Chair of Uncertainty Analysis Committee (RP-12). 

Chair of Petroleum Measurements Committee 1990-1992.

Tutorial Developer/Presenter

Best Paper Award recipient 1989 NCSL Annual Workshop & Symposium, Denver, CO.

Recipient of 2005 Education & Training Award

 

Patents
U.S. Patent 5,810,032 "Method and Apparatus for Controlling the Distribution of Two-Phase Flow through Impacting Tees," Hong and Griston, September 22, 1998.

 

U.S. Patent 5,710,717 "Method for Predicting and Adjusting the Distribution of Two-Phase Fluids Flow through a Piping Network," Hong and Griston, January 20, 1998.

 

U.S. Patent 5,415,037 "Method and Apparatus for Monitoring Downhole Temperatures," Griston, Crowe, Reik, May 16, 1995.

 

U.S. Patent 5,190,103 "Method of Metering Two-Phase Fluid using Flow Homogenizing Devices and Chemicals," Griston and Hong, March 2, 1993.

 

U.S. Patent 5,072,387 "Method for Determining a Transit Time for a Radioactive Tracer," Griston and Cire, December 10, 1991.

 

U.S. Patent 4,640,355 "Limited Entry Method for Multiple Zone, Compressible Fluid Injection," Hong, Griston, Ault, February 3, 1987.

 

U.S. Patent 4,595,057 "Parallel String Method for Multiple Zone, Thermal Fluid Injection," Deming, Griston, Hong, June 17, 1986.

 

 

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