IADC ASP Program - 1998 Final Summary Report 
 

 

LTI Incidence Rate indicates the number of lost-time accidents calculated per 200,000 manhours, the method used by the U.S. Occupational Safety & Health Administration (OSHA). indicates the number of lost-time accidents calculated per 200,000 manhours, the method used by the U.S. Occupational Safety & Health Administration (OSHA).

LTI Frequency Rate indicates the number of lost-time accidents calculated per 1 million manhours. This method is used by many regulatory bodies around the world. indicates the number of lost-time accidents calculated per 1 million manhours. This method is used by many regulatory bodies around the world.

Final Report 1998
January - December
Note: Figures are unaudited

CATEGORY TOTAL
MANHOURS (MHs)
TOTAL
MTOs
TOTAL
 RWCs 
TOTAL
 LTIs
TOTAL
 FTLs
 TOTAL
 RCRD
LTI 
INCD.
 RATE
LTI 
FREQ.
 RATE
DART
INCD.
RATE
DART
FREQ.
 RATE
RCRD 
INCD. 
RATE
RCRD 
FREQ. 
RATE
US Land 39,478,975.43 1177 436 457 6 2076 2.35 11.73 4.55 22.77 10.52 52.58
US Water 43,437,749.00 525 200 141 6 872 0.68 3.38 1.6 7.99 4.01 20.07
International Land 58,681,817.00 360 102 219 9 690 0.78 3.89 1.12 5.62 2.35 11.76
International Water 51,642,183.00 241 39 151 3 434 0.6 2.98 0.75 3.74 1.68 8.4
European Land 4,257,420.00 35 7 47 0 89 2.21 11.04 2.54 12.68 4.18 20.9
European Water 25,791,003.00 245 32 126 1 404 0.98 4.92 1.23 6.16 3.13 15.66
US COMBINED 82,916,724.43 1702 636 598 12 2948 1.47 7.36 3.01 15.03 7.11 35.55
INTERNATIONAL COMBINED 110,324,000.00 601 141 370 12 1124 0.69 3.46 0.95 4.74 2.04 10.19
EUROPEAN COMBINED 30,048,423.00 280 39 173 1 493 1.16 5.79 1.42 7.09 3.28 16.41
INDUSTRY TOTAL 223,289,147.43 2583 816 1141 25 4565 1.04 5.22 1.78 8.88 4.09 20.44
MTO = Medical Treatment Only INCD = Incident Rate (200,000 MHs): LTI INCD Rate = (LTI s+FTLs) *  * 200000 / Total MHs
RWC = Restricted Work Case DART INCD Rate = (LTI s+RWC+FTLs) * 200000 / Total MHs
LTI = Lost Time Accident RCRD INCD Rate = (MTOs+RWCs+LTIs+FTLs) * 200000 / Total MHs
FTL = Fatality  FREQ = Frequency Rate (1,000,000 MHs): LTI FREQ Rate = (LTI s+FTLs) * 1000000 / Total MHs
RCRD = Total Recordable LTI FREQ Rate = (LTI s+RWC+FTLs) * 1000000 / Total MHs
  RCRD FREQ Rate = (MTOs+RWCs+LTIs+FTLs) * 1000000 / Total MHs

Also Available for ASP Rig: 5 Year Summary Report

 


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