Basin analysis study of block 53 in the Masilla Basin, Yemen, using a 1D-backstripping method


  • Adel Mohammad Al-Matary Earth Science, Petroleum & Natural Resources , Sana’a University ,Sana’a ,Yemen
  • Etimad Nasser Al-Tairi PEPA , Oil & Minerals Ministry , Sana’a ,Yemen.



basin analysis, Block 53, Yemen, Backstripping, Masilla Basin


Basin study of 1D-backstrripping analysis was performed on the sediments in in the four exploration wells (Bayoot S1,  Bayoot Sw3,      Sharyoof 2, and Sharyoof 9) from Block-53, Masilla Basin. 1D backstripping analysis resulted in many curves of the subsidence of the basement during the deposition of the stratigraphic units. The 1D basin models show that the Masilla basin exhibited a complex subsidence history over a period of about 155 Ma and includes three stages of subsidence. The first stage was occurred at 132-155 Ma and shows high subsidence rate about 6.2 cm per1000 years) and deposition rate about 6.13 cm per 1000 years in the southwest part of Block-53. This stage formed as a result of thinning in the curst during the lithospheric extension.  The second stage of subsidence was occurred at 66-128Ma and shows decrease the subsidence rates in the range of 1.99- 1.11 cm/1000 years and deposition rates between 1.19 and 0.69 cm/1000 years during the post-rift deposits, which is represented by Qishn Clastic and Carbonate formations (.At the third stage,  the subsidence and deposition rates are high in the southwest of block-53 and found to be about 9.3 cm/1000 years and 9.2 cm/1000 years, respectively . The rapid in the subsidence rates during this stage is primary related to the cooling of lithosphere and loading of the sediments


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How to Cite

Al-Matary, A. M., & Al-Tairi , E. N. (2024). Basin analysis study of block 53 in the Masilla Basin, Yemen, using a 1D-backstripping method. Sana’a University Journal of Applied Sciences and Technology, 2(1), 65–82.

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