API 10TR3 : 1999

TECHNICAL REPORT ON TEMPERATURES FOR API CEMENT OPERATING THICKENING TIME TESTS

American Petroleum Institute

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1 SCOPE
     1.1 History of API Thickening Time Test Schedules
     1.2 Measurement and Collection of Temperature Data
     1.3 1984-91 API Task Group on Cementing Temperature Schedules
2 REFERENCES
3 DEFINITIONS
4 TEMPERATURE DATA SETS USED TO DEVELOP CORRELATIONS FOR WELL
     SIMULATION TEST SCHEDULES
     4.1 General Information About Each Temperature Data Set
     4.2 General Comparison of 1974 Data Set and the 1984 Data Set
     4.3 Re-analysis of the 1974 Data Set and Temperature Correlation
     4.4 Discussion of Concerns About the 1984 Data Set and
           Temperature Correlations
5 1974-84 COMBINED MASTER DATA SET
     5.1 Updated Temperatures for Well Simulation Test Schedules
     5.2 Proposed Updated Temperature Schedules
6 SUMMARY
APPENDIX A 1948 Data Set (Farris Data)
APPENDIX B 1953 Squeeze Data Set
APPENDIX C 1969-74 Data Sheet
APPENDIX D 1974 Data Set (41 Data Points)
APPENDIX E 1984 Data Set
APPENDIX F List of Drilling Fluid Temperature Data from the 1984 Data Set
APPENDIX G 1974-84 Combined Master Data Set
APPENDIX H Eleven Subsets From 1974-84 Combined Master Data Set
APPENDIX I List of Data and Correlation Equations Used to Develop
            Proposed Updates for Casing and Squeeze-Cementing Temperatures
FIGURES
1 Illustration of Temperature Profile Recorded by the Temperature
     Measuring Devices
2 Drilling Fluid Type Distribution for the 1984 Data Set
3 Static Time Distribution for Water Base Muds in the 1974 Data Set
4 Static Time Distribution for All Data in the 1984 Data Set
5 Static Time Distribution for Water Base Muds in the 1984 Data Set
6 Static Time Distribution for Oil Base Muds in the 1984 Data Set
7 Comparison of API Code 32 Casing-Cementing Temperatures
     with Predicted Temperatures from a Correlation Developed
     from the 1984 Data Set
8 Comparison of API RP 10B Squeeze-Cementing Temperatures
     with Predicted Temperatures from a Correlation Developed
     from the 1953 Squeeze Data Set
9 Plot of Initial Mud Inlet Temperatures versus Depth for
     All Mud Types in the 1984 Data Set
10 Plot of Final Mud Inlet Temperatures versus Depth for
     All Mud Types in the 1984 Data Set
11 Plot of Initial Mud Outlet Temperatures versus Depth for
     All Mud Types in the 1984 Data Set
12 Plot of Final Mud Outlet Temperatures versus Depth for
     All Mud Types in the 1984 Data Set
13 Plot of initial and Final Mud Inlet Temperatures versus Depth for
     All Mud Types in the 1984 Data Set
14 Plot of Initial and Final Mud Outlet Temperatures versus
     Depth for All Mud Types in the 1984 Data Set
15 Illustration of Temperature Profile Recorded by the Temperature
     Measuring Device Showing How Squeeze Temperature
     Information was Collected in the 1984 Data Set
16 Comparison of Casing and Squeeze Temperatures with
     Depth for Proposed Updated Temperatures Schedules - 0.9degF/100ft
     Temperature Gradient
17 Comparison of Casing and Squeeze Temperatures
     with Depth for Proposed Updated Temperature Schedules - 1.1degF/100ft
     Temperature Gradient
18 Comparison of Casing and Squeeze Temperatures
     with Depth for Proposed Updated Temperature Schedules - 1.3degF/100ft
     Temperature Gradient
19 Comparison of Casing and Squeeze Temperatures
     with Depth for Proposed Updated Temperature Schedules - 1.5degF/100ft
     Temperature Gradient
20 Comparison of Casing and Squeeze Temperatures
     with Depth for Proposed Updated Temperature Schedules - 1.7degF/100ft
     Temperature Gradient
21 Comparison of Casing and Squeeze Temperatures
     with Depth for Proposed Updated Temperature Schedules - 1.9degF/100ft
     Temperature Gradient
TABLES
1 General Characteristics of 1974 Data Set Used to Prepare
     API Spec 10, 5th Edition, Temperature Schedules
2 General Characteristics of the 1984 Data Set
3 Comparison of Predicted Casing-Cementing Temperatures
     from Correlations Developed from the 1948, 1974 and 1984 Data Sets
4 Comparison of Predicted Squeeze-Cementing Temperatures
     from Correlations Developed from the 1953 Squeeze and 1984 Data Sets
5 Predicted Casing-Cementing Temperatures from Correlations
     Developed from Re-Analysis of the 1974 Data Set
6 General Characteristics of the 1974-84 Allmuds3 Subset
7 Comparison of Predicted Casing and Squeeze-Cementing Temperatures
     from Correlations Developed from the 1974-84 Allmuds3
     Subset and 1984 Data Set
8 Comparison of API Spec 10, 5th Edition, Well-Simulation
     Casing-Cementing Temperatures with Predicted Temperatures
     from the Correlation Developed from the 1974-84 Allmuds3 Subset
9 Comparison of API Spec 10, 5th Edition, Squeeze-Cementing
     Well-Simulation Temperatures with Predicted Temperatures
     from the Correlation Developed from the 1974-84 Allmuds3 Subset
10 Comparison of Predicted Casing and Squeeze-Cementing Temperatures
     from the 1991 Hybrid Correlation and the Correlation Developed
     from the 1974-84 Allmuds3 Subset
A-1 1948 Data Set
B-1 1953 Squeeze Data Set
C-1 Most of the Recorded Temperature Data for the 1969-74 Data Set
     Compiled from API Records and Records of Participating Companies
C-2 88 Records Selected from the 1969-74 Data Set for Preparing
     Cementing Temperature Schedules in API Spec 10, 5th Edition
D-1 41 Data Points Used to Prepare Temperature Correlations
     from the 1969-74 Data Set
E-1 1984 Data Set
F-1 Master List of Drilling Fluid (Mud) Inlet and Outlet Temperatures
     From the 1984 Data Set
G-1 1974-84 Combined Master Data Set
H-1 1974-84 AllMuds1 Subset - 102 Records with Static Time
     Information Listed
H-2 1974-84 Allmuds2 Subset - 95 Records with Static Time Equal
     to or Greater than 12 Hours
H-3 1974-84 Allmuds3 Subset - 66 Records with Static Time Equal
     to or Greater than 24 Hours
H-4 1974-84 WaterMuds1 Subset - List of Records for Water Muds
H-5 1974-84 WaterMuds2 Subset - 63 Records with Static Time
     Information Listed
H-6 1974-84 WaterMuds3 Subset - 58 Records with Static Time Equal
     to or Greater than 12 Hours
H-7 1974-84 WaterMuds4 Subset - 35 Records with Static Time Equal
     to or Greater than 24 Hours
H-8 1974-84 OilMuds1 Subset - List of Records for Oil Muds
H-9 1974-84 OilMuds2 Subset - 38 Records with Static Time
     Information Listed
H-10 1974-84 OilMuds3 Subset - 36 Records with Static Time Equal
     to or Greater than 12 Hours
H-11 1974-84 OilMuds4 Subset - 29 Records with Static Time Equal
      to or Greater Than 24 Hours
I-1 1974-84 Allmuds3 Subset - 66 Records with Static Time Equal
     to or Greater than 24 Hours

Abstract

Summarizes the work carried out by the 1984-91 API Task Group on Cementing Temperature Schedules for updating temperatures in API well-simulation test schedules. Also coordinates most of the temperature data collected by the industry so far into a single document for serving others involved in future projects of a similar nature.