Posted 1 month ago

LNG Auditor

  • Location
    Pakistan
  • Reference
    LNG-PAK-001
  • Industries
  • Discipline
    Project Management

We are urgently looking for LNG (Liquefied Natural Gas) Auditor in Pakistan.

CLIENT CHALLENGES

Our client has contracted 3rd party facility for storage and regasification of LNG – Liquefied Natural Gas.

During the storage and regasification process, certain amount of LNG boils off at a certain rate. This boil off remains in vapor state within the storage tanks of the Floating Storage and regasification unit (FSRU).

As per contract with the client the terminal is allowed to keep the boil off quantity under a limit.

In order to manage the boil off, the terminal is allowed to use the boil off vapors as fuel for FSRU and to vent or flare the vapors if required.

This is termed as Retainage under the OSA and is defined as under:

How Retainage is Defined?

  • Quantities of gas including Boil-Off used in the operations of LNG import facility (including fuel for regasification of LNG)
  • Quantities of gas lost or unaccounted for in the LNG Import Facility including as a result of measurement error; and
  • Quantities of gas which for the reason of emergency, the terminal is required to flare or vent.
  • As per the OSA the allowable Retainage to the terminal is determined by the expression as under:
  • 1 + (0.005 x the higher of the Properly Nominated Quantity and Properly Delivered Quantity for Day)

PROJECT DELIVRABLES

Third Party Inspector/Auditor in accordance with clause 20.3 of the Operation and Services Agreement (OSA) The audit to be conducted under the guidelines of GIIGNL and other international applicable standards as defined in the OSA for the measurement of LNG/RLNG to verify and determine the following:

  • Retainage verification on daily basis for the following heads:
    – Quantities of gas including Boil-Off used in the operation of LNG import facility (including fuel for regasification of LNG)
    – Quantities of gas lost or unaccounted for in the LNG Import Facility including as a result of measurement error; and
    – Quantities of gas which for the reason of emergency, the terminal is required to flare or vent.
  • Verification of quantities of LNG delivered in terms of energy unit of MMBTU
  • Verification of quantities of Re- gasified LNG delivered at Custody Transfer Station in terms of energy unit of MMBTU
  • Reconciliation of LNG quantities supplied to ABC and RLNG received by XYZ (keeping in view different standards being used in measuring LNG delivered at FSRU and RLNG received at custody transfer station) on monthly and yearly basis
  • Mass balancing of LNG supplied and RLNG received.
  • Check the calibration and validation of the equipment’s/instruments used for quantity and quality determination of LNG and RLNG and for calculation of retainage and identify event(s) where instruments are not working properly or if there is any error in the readings

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