IADC ASP Program - 1997 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 1997
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 42,149,584.77 1463 712 709 11 2895 3.42 17.08 6.79 33.97 13.74 68.68
US Water 41,222,488.00 556 251 155 8 970 0.79 3.95 2.01 10.04 4.71 23.53
International Land 62,624,314.00 412 68 210 4 694 0.68 3.42 0.90 4.50 2.22 11.08
International Water 50,585,984.40 278 44 138 1 461 0.55 2.75 0.72 3.62 1.82 9.11
European Land 3,984,888.00 32 11 36 0 79 1.81 9.03 2.36 11.79 3.96 19.82
European Water 23,406,895.00 284 29 175 2 490 1.51 7.56 1.76 8.80 4.19 20.93
US COMBINED 83,372,072.77 2019 963 864 19 3865 2.12 10.59 4.43 22.14 9.27 46.36
INTERNATIONAL COMBINED 113,210,298.40 690 112 348 5 1155 0.62 3.12 0.82 4.11 2.04 10.20
EUROPEAN COMBINED 27,391,783.00 316 40 211 2 569 1.56 7.78 1.85 9.24 4.15 20.77
INDUSTRY TOTAL 223,974,154.17 3025 1115 1423 26 5589 1.29 6.47 2.29 11.45 4.99 24.95
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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