Abstract：At present， CNPC’s oil and gas exploration and development are expanding from the uplift area to the basin slope， lake basin center， and basin periphery. The target layer is expanding from medium and shallow layers to deep and ultra-deep layers， and the object is expanding from conventional oil and gas to unconventional oil and gas. The exploration and development are faced with more complicated exploration areas， more hidden targets， and more difficult operations. In response to the problems of seismic exploration in highly difficult exploration areas on land， CNPC has strengthened technical research on seismic acquisition， processing， and interpretation and formed a series of technologies such as ‘acquisition of wide azimuth， broadband， high density， and high fold’， processing of ‘high resolution and high fidelity’， true surface imaging processing， and quantitative prediction of pre-stack reservoirs， which have supported continuous breakthroughs in exploration of highly difficult exploration areas and long-term stable growth of reserves， and achieved stable and rising oil and gas production. The above achievements benefit from the change in the concept of geophysical exploration technology， which brings the new concept of oil and gas exploration，‘oil and gas are not only in the mind of geologists but also hidden in high-quality seismic data’. In addition， thanks to the grasp of the breakthrough of seismic exploration technology on land， the technical idea of ‘the target is located at deep layers； the problem emerges at the near-surface； the velocity serves as the key， and the refinement remains as the core’ is proposed. Benefiting from the innovation and transformation of management ideas， a complete geophysical exploration technology management system has been established， which greatly improves the quality of seismic data in each exploration area. The breakthrough in understanding and management innovation will guide the development of onshore oil and gas seismic exploration technology to the all-directional， high-density， all-digital， multi-parameter， automated， intelligent， full-waveform， full-wave field， and other directions.
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