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  • POSTED ON: April 12, 2016
  • AUTHOR: Editor


Expression of interest (EOI) is invited by GNPC from reputable companies to be shortlisted to receive an invitation to Tender (ITT) for the processing of approximately 1517 kilometers of 2D seismic data.

A location map of the proposed 2D lines, situated in the Voltaian Basin, Onshore Ghana, is included below. The intention is to acquire the seismic data between 3rd quarter 2016 and 3rd Quarter 2017.


Companies that meet the following criteria are encouraged to express interest:

  1. Company’s experience and resources
  • A minimum of 5 years experience in 2D land seismic data processing.
  • Senior processing staff with a minimum of 15 years in time and depth imaging
  • Previous onshore seismic data processing experience of African Intracratonic or Rift basins.
  • Resources availability to begin processing of the data in 4th quarter 2016 and continuity assurance (ie. Availability of personnel) to work on the data as it is received over a twelve (12) month period.
  1. Company’s technical ability:

The contractor will be required to undertake modern and robust:

  • Pre-processing of the field data as it arrives from the field.
  • Pre Stack Time Migration (PSTM) imaging using Kirchhoff’s imaging solution
  • Post imaging
  • Delivery of final data on both 3592 cartridges and hard drives to GNPC.

With optional

  • Pre Stack Depth Migration (PSDM) imaging using Kirchoff’s imaging solution.

In response:

Responses to the above criteria will be used to evaluate prospective companies for shortlisting.

Companies shall including in their responses documentation to verify their conformity to the criteria requirements listed under the sub-headings; Company’s experience and resources and Company’s technical ability (as indicated above).

Particularly, references from customers to verify company’s experience in 2D land seismic data processing and experiences of African intraccratonic or Rift basins are keenly sought.

Submissions of EOI

Completed Expressions of interest are to be submitted to GNPC by midnight 10th May 2016.

Completed Expressions of interest shall be submitted via email to:

Seismic Project Manager,

Voltaian Basin Project

Ghana National Petroleum Corporation, PMB, Tema, Ghana


All questions related to this EOI process are also to be sent via email address listed above, prior to 3rd May,2016.


The following timetable is provided for information purposely only

GNPC reserves the right to adjust this timetable during the course of the EOI/ITT process.

Timing Status Event Date
Fixed Request for EOI issued By 11th April 2016
Fixed EOI Submission date to GNPC 10th May 2016
Provisional EOI assessed; qualifying companies shortlisted May 2016
Provisional ITT for land Seismic Processing issued to short-listed Companies June, July 2016
Provisional Bids for Land Seismic Processing works submitted to GNPC August 2016
Provisional ITT for Land Seismic Processing awarded Sept, Oct 2016
Provisional Processing work completes Q3/Q4 2017

Source: Daily Graphic

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