Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Audit Scheme
Definition(s)
Audit Scheme
Audit Scheme means the IMO Member State Audit Scheme established by the Organization and taking into account the guidelines developed by the Organization*. * Refer to the Framework and Procedures for the IMO Member State Audit Scheme, adopted by the Organization by resolution A.1067(28). Source: IMO Resolution A.1085(28), Amendments to the Convention on the International Regulations for Preventing Collisions at Sea, 1972, , 10 December 2013, Regulations Source: IMO Resolution A.1084(28), Amendments to International Convention on Tonnage Measurement of Ships, 1969, 10 December 2013, Regulations Source: IMO Resolution A.1083(28), Amendments to International Convention on Load Lines, 1966, 10 December 2013, RegulationsPermit to Work
Definition(s)
Permit to Work
For work, other than the routine non-hazardous work, to be carried out in the safest possible manner, the operator shall ensure that such work is carried out only in accordance with the written instructions (hereinafter called ‘work permit’) issued by a person authorized by the Offshore Installation Manager.
The work permit shall specify the place, date, time and duration of such work, the precautions to be taken, the parameters to be monitored during the work and the persons responsible for compliance. Source: Petroleum and Natural Gas (Safety in Offshore Operations) Rules, 2008, India, 18th June 2008. RegulationsRisers
Definition(s)
Risers
“Risers” means that part of the pipeline system which extends from the subsea pipelines up to the installation including launchers or receivers or tools for internal maintenance or inspection. Source: Petroleum and Natural Gas (Safety in Offshore Operations) Rules, 2008, India, 18th June 2008. RegulationsPeriod of Stay
Definition(s)
Period of Stay
“Period of stay” means the continuous period, which an employee spends on facilities. Source: Petroleum and Natural Gas (Safety in Offshore Operations) Rules, 2008, India, 18th June 2008. RegulationsEnvironmental Loads
Definition(s)
Environmental Loads
“Environmental loads” means loads caused by natural conditions. Source: Petroleum and Natural Gas (Safety in Offshore Operations) Rules, 2008, India, 18th June 2008. RegulationsDimensioning Fire
Definition(s)
Dimensioning Fire
“Dimensioning fire” means a fire which in accordance with the defined acceptance criteria represents an unacceptable risk, and which consequently serves as a basis for design and operation of installations. Source: Petroleum and Natural Gas (Safety in Offshore Operations) Rules, 2008, India, 18th June 2008. RegulationsDimensioning Accidental Load
Definition(s)
Dimensioning Accidental Load
“Dimensioning accidental load” means accidental load that the facility or a function shall be able to withstand during a required period of time. Source: Petroleum and Natural Gas (Safety in Offshore Operations) Rules, 2008, India, 18th June 2008. RegulationsDecommissioning Plan
Definition(s)
Decommissioning Plan
The licensee, the lessee, or as the case may be, the operator shall submit decommissioning plan to the competent authority including description of -
- risk during and following a possible removal;
- methods intended to be used in the event of a possible removal, including re-floating of the structure;
- analyses planned to be carried out;
- operations planned to be carried out in the event of a possible removal;
- consequences of a possible removal in respect of adjacent fields and facilities;
- other matters of importance; and
- measures, if any, designed to secure the area against possible future pollution from abandoned wells or polluted deposits of cuttings.