A large percentage of the wells completed today are classified as short life or harvest wells. Many of these would not economically feasible utilizing high end completion components, and methods. Mono-Bore wells can be a solution to this dilemma.

This paper will discuss several methods and case histories used to complete these wells. Systems discussed and presented in this paper demonstrate how considerable time can be eliminated which will lower the overall completion cost as well. Several methods will be discussed and case histories provided to substantiate the results and savings. Methods will include the following:

  • Disposable completions utilizing the minimal completion components.

  • Cemented Mono-Bore's utilizing Cement tolerant components, and methods/procedures of completing these wells.

  • Staged cementing completion designs for open hole mono-bores.

  • Simple water injector completions utilizing new technology.

  • Low cost gas well unloading

  • Case histories of the methods above discussing the advantages, and disadvantages of each method.

Illustrations along with detailed procedures will be discussed to better understand how each completion method can address the numerous opportunities, and problems associated in well completion design. Case histories will be provided to validate the each method. What if technologies will also be discussed in order to gain insight on what the future holds for these low cost wells.

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