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Noises are common events in seismic reflection data that have very strikingfeatures in seismograms, affecting seismic data processing and interpretation.Noise attenuation is an essential phase in seismic processing data, usuallyresulting in seismic interpretation improvement that enhances the signal tonoise ratio. Groundroll presence is the major fashion of significant noise inthe land seismic survey. It is a type of coherent noise present in seismogramsthat appears as linear events, in most cases overlapping the reflections andprobably making it challenging to recognize. There are several domains used innoise attenuation, Domain transformations is a complex algorithms standard toolused commonly used during processing of seismic data and imaging processing, Soa large number methods have been developed to attenuate these types of noise.In the time-offset domain, the noise wave such as Groundroll and random noises,overlap each other over time; a different domain makes it easier tosuccessfully isolate coherent, random noise and reflection events. Five stepsare introduced to attenuate coherent and random noise, these steps are FDNAT,AGORA, RADMX, SCFIL, DDMED as well as Time-Variant band-pass Filter. Theresults indicate that the different domains can actually reveal features andgeological structures that have been masked by the noises present in currentdata. because encourage significant improvements in the final image quality in2-D seismic section, so, these filtering techniques possibly give advantage tothe interpreter in particularly in structural and stratigraphic interpretationduring the work of interpretation, especially in the exploration andcharacterizing possible traps.

Random and Coherence Noise Attenuation Complete Sequence for 2-D Land Seismic Data Acquired in Iraq