Challenges and Lessons Learned During Completion of Intelligent Multilateral Wells in Minagish Field, West Kuwait
- Zac Arackakudiyil Suresh (Halliburton) | Ajit Kumar (Halliburton) | Leonque Rondon (Halliburton) | Darshan Pingle (Kuwait Oil Company) | Khaled Al-Hindi (Kuwait Oil Company) | Mohammed Boushahri (Kuwait Oil Company)
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- Society of Petroleum Engineers
- SPE Annual Technical Conference and Exhibition, 24-26 September, Dallas, Texas, USA
- Publication Date
- Document Type
- Conference Paper
- 2018. Society of Petroleum Engineers
- Minagish, Kuwait, ICV, Multilateral, Smart
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- 229 since 2007
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Multilateral intelligent wells have been proven effective by both extending reservoir contact and providing proactive reservoir management. This paper highlights the lessons learned and critical well construction and completion steps that improve the efficiency of intelligent multilateral well drilling and completions operations. The case study outlines the successful completion of the third multilateral intelligent well in the Minagish field of West Kuwait.
The intelligent level 4 multilateral well was designed and drilled successfully. The sidetrack was performed using a specialized latch coupling that allowed for multilateral window cutting, orienting, and re-entry. The latch coupling was run in hole with the main bore casing, and a key orienting tool was used to confirm its orientation. Once the main bore was complete, a window was cut using a dedicated milling machine. Thereafter, a drilling whipstock was run with a window mill and watermelon mill to allow access to the lateral. This was followed by drilling the lateral section and running and cementing the liner. After the lateral section was drilled to the planned depth and cleaned out, the whipstock was retrieved. The intelligent completion installation consisted of a lubricator valve, two downhole permanent gauges, and two variable choke interval control valves.
The presence of surface-controlled, variable choke valves to control inflow from both the main bore and the lateral provides the capability to effectively manage the reservoir and production over the life of the well. This, in turn, prolongs the field life, thus improving overall economic performance and field economics. The case study well is the third multilateral intelligent well installed in Kuwait, and many recommended practices were implemented that allowed for improved efficiency and safety of the operation. Maintaining a clean well was emphasized as a top priority throughout the well construction process. The cement curing time was increased and the completion string was reviewed and redesigned.
This paper discusses the lessons learned and improvements made during installation of the third multilateral intelligent well. The steps performed during this operation have become the recommended practices for all upcoming intelligent multilateral well operations in Kuwait.
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Om Prakash Das, Khalaf Al-Enezi, Muhammad Aslam, Taher El-Gezeeri, and Khalid Ziyab, "Novel Design and Implementation of Kuwait's First Smart Multilateral Well With Inflow-Control Device and Inflow-Control Valve for Life-Cycle Reservoir Management in High-Mobility Reservoir, West Kuwait" paper SPE 159261, presented at SPE Annual Technical Conference and Exhibition, San Antonio, Texas, 8–10 October 2012
Taher EL Gezeeri, Abdul Aziz Ismail, Khalaf Al-Anezi, Monirah Al Jeaan, Jeevan Kumar Silambuchlvan, G.S. Padhy, Atul Wasnik, Ahmed Al Shoeibi, "Drilling of Multilateral Wells Aided with Geochemical Analysis" paper IPTC-16617-MS presented at International Petroleum Technology Conference, Beijing, China, 26-28 March 2013
Al-Enezi, K., Das, O. P., Aslam, M., Ziyab, K., & Fipke, S. R. (2012, January 1). Successful Case Histories of Smart Multilateral Well with Inflow Control Device and Inflow Control Valve for Life-cycle Proactive Reservoir Management in High Mobility Reservoir, Minagish Field West Kuwait. SPE-161632-MS