A Semianalytical Model for Horizontal Wells With Improved Stinger Completion in Heterogeneous Bottomwater Reservoirs
- Haitao Li (Southwest Petrolum University Chengdu) | Beibei Jiang (Southwest Petrolum University) | Yongqing Wang (Southwest Petrolum University Chengdu) | Junchao Wang (Southwest Petrolum University Chengdu) | Shasha Jiang (Henan College of Industry and Information Technology)
- Document ID
- Society of Petroleum Engineers
- Journal of Canadian Petroleum Technology
- Publication Date
- May 2014
- Document Type
- Journal Paper
- 151 - 160
- 2014.Society of Petroleum Engineers
- 2 Well Completion, 1.8 Formation Damage
- stabling oil production, improved stinger completion, bottomwater reservoir, water-cut control, horizontal well
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- 268 since 2007
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Stinger-completion technology is simple to operate and low cost, which can achieve good results in stable oil production by controlling water cut in a bottomwater reservoir. However, most previous studies of stinger completions took place in homogeneous reservoirs and are not equipped to deal with the multipoint watercresting breakthrough caused by fractures or permeability contrast in a heterogeneous bottomwater reservoir. A new improvedstinger- completion (ISC) semianalytical coupled model of reservoir and wellbore flow is established in this article, which considers the impacts of well trajectory, permeability distribution, formation damage caused by drilling and completion, and variable mass flow in a horizontal wellbore. By discrete numerical calculation of the new model, pressure, inflow, and water-cresting profiles can be acquired, and consequently, a design method of ISC is also proposed to be used successfully in a heterogeneous bottomwater reservoir for stable oil production by water-cut control and by optimizing the structure, length, and diameter of the stinger. The successful field application of ISC in the LU-X horizontal well also confirms the feasibility and effectiveness of ISC.
|File Size||2 MB||Number of Pages||10|
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