Search results for: WELLBORE INTEGRITY

• Laboratory research on the influence of swelling clay on the quality of borehole cementing and evaluation of clay-cutting wellbore tool prototype

  Publication

  • M. Kmieć
  • B. Karpiński
  • M. Antoszkiewicz
  • M. Szkodo

  - APPLIED CLAY SCIENCE - Year 2018

  Swelling clay phenomenon is frequently observed during oil and gas drilling operations and has a significant impact on the quality of cementing procedure. Certain types of clayey minerals increase their volume in contact with water-based drilling fluids. After drilling is completed, borehole remains unsupported and filled with waterbased drilling fluids for several hours, before a casing string is inserted and secured with cement....

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