Testif-i Land


Independent test analysis for land seismic systems

Testif-i Land is an independent, powerful and cost effective software suite that allows you independently process instruments, source and receiver tests to confirm that the equipment is performing correctly and within specification.


The software includes modules to perform comprehensive analysis of vibrator wireline similarity test data. Analysis includes a harmonic intensity plot which can highlight problems such as sub-harmonics which may not be seen on numerical results.

Geophone pulse tests can be analysed using the receiver response module and test data from third party geophone testers can be graphed and statistics produced for ease of interpretation.


Some of the key aspects of the Testif-i Land software are:

  • Multi-vibrator hardwire similarities
  • Automatic calculation of start time errors
  • Confirmation of vibrator sweep type
  • Receiver step impulse analysis
  • Display of results from geophone testers
  • Noise and offset
  • Distortion
  • Impulse response
  • Crossfeed
  • Gain similarity
  • Dynamic range
  • Common mode rejection ratio (CMRR)

There are over two hundred licenses of Testif-i software in use worldwide and clients include BGP, Saudi Aramco, ExxonMobil, WesternGeco, Geokinetics, CGG and many other oil companies, contractors and QC companies.

We have a pro-active feedback system where users’ suggestions and ideas can be implemented in new software versions and bugs fixed in a timely manner.

We use the software extensively in our own consultancy work for oil companies and this has contributed to much of its development.


To obtain an evaluation copy of the software or to obtain a proposal to purchase a copy, please call our sales office on +44 118 972 2236 or email us at info@verif-i.com


The brochure for this software can be downloaded here.

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