Abstract
Coiled Tubing (CT) applications are performed to intervene in completions installed in the lateral section of Panna wells in Western India Offshore.
The paper discusses the analysis process and the challenges during CT well interventions. Work done to improve CT entry in the lateral section is also discussed in the paper. The paper compares simulated CT entry against the actual reach in each well. Illustrative examples of the actual field data are presented as case histories.
The process is elaborated in this paper. The paper also discusses specific examples where application of tools to excite the BHA was attempted with success, along with the resources needed to accomplish the analysis process effectively.
To describe the challenges this paper groups Panna completions in three categories; open hole, open hole with tail pipe and cased hole with swell packers. Sliding sleeves to operate selective sections of the well are installed in the completion and CT entry to operate the sliding sleeve is imperative.
The operational challenges are grouped as either logistical or environmental.
The paper focuses on technical design challenges and analysis processes to determine the feasibility of future well intervention.
To improve operational success the authors recommend that each intervention campaign be engineered utilizing the results from the previous operations. This increases the likelihood of successful interventions.
