A Strategic and Flexible Approach to Through Tubing Electrical Submersible Pump Cable Deployed TTESP-CD Replication for Technology Robustness

Radzuan, Nurul Asyikin M.; Salleh, Nurfarah Izwana; Chandrakant, Ashvin Avalani; Rusman, Liyana; Zamanuri, Kautsar; Bakar, Azfar Israa Abu; Yip, Pui Mun; Jamaluddin, M. Helmi; Ghonim, Elsayed Ouda; Nambiar, Vijay; Alexander, Euan

doi:10.2523/iptc-19474-ms

Day 1 Tue, March 26, 2019 2019

DOI: 10.2523/iptc-19474-ms

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A Strategic and Flexible Approach to Through Tubing Electrical Submersible Pump Cable Deployed TTESP-CD Replication for Technology Robustness

Nurul Asyikin M. Radzuan

Nurfarah Izwana Salleh

Ashvin Avalani Chandrakant

et al.

Abstract: Following the first pilot success of the truly rigless 3-1/2" tubing cable deployed ESP (TTESP-CD in offshore field of Sarawak Basin, PETRONAS has taken steps to further advance in the technology development and application through more replications within Sarawak and Malay Basin. PETRONAS had been looking into a strong business case for the TTESP-CD technology for a wider application throughout Malaysia region by looking at fields with strong/moderate water drive and low bubble point pressure besides having o… Show more

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Troubleshooting Cable Deployed Thru Tubing Electrical Submersible Pumps: A Case Study from South East Asia

Anand

Rosland

Ghonim

et al. 2021

Day 2 Wed, October 13, 2021

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PETRONAS had embarked on an ambitious thru tubing ESP journey in 2016 and had installed global first truly rig less offshore Thru Tubing ESP (TTESP) in 2017. To replicate the success of the first installation, TTESP's were installed in Field – T. However, all these three TTESP's failed to produce fluids to surface. This paper provides the complete details of the troubleshooting exercise that was done to find the cause of failure in these wells. The 3 TTESP's in Field – T were installed as per procedure and was ready to be commissioned. However, during the commissioning, it was noticed that the discharge pressure of the ESP did not build-up and the TTESP's tripped due to high temperature after 15 – 30 mins of operation. Hence none of the 3 TTESP's could be successfully commissioned. Considering the strategic importance of TTESP's in PETRONAS's artificial lift plans, detailed troubleshooting exercise was done to find the root cause of failure to produce in these three wells. This troubleshooting exercise included diesel bull heading which gave some key pump performance related data. The three TTESP's installed in Field – T were of size 2.72" and had the potential to produce an average 1500 BLPD at 80% water cut. The TTESP deployment was fully rigless and was installed using 0.8" ESP power cable. The ESP and the cable was hung-off from the surface using a hanger – spool system. The entire system is complex, and the installation procedure needs to be proper to ensure a successful installation. The vast amount of data gathered during the commissioning and troubleshooting exercise was used for determining the failure reason and included preparation of static and dynamic well ESP model. After detailed technical investigative work, the team believes to have found the root cause of the issue which explains the data obtained during commission and troubleshooting phase. The detailed troubleshooting workflow and actual data obtained will be presented in this paper. A comprehensive list of lessons learnt will also be presented which includes very important aspects that needs to be considered during the design and installation of TTESP. The remedial plan is finalized and will be executed during next available weather window. The key benefit of a TTESP installation is its low cost which is 20% – 30% of a rig-based ESP workover in offshore. Hence it is expected that TTESP installations will pick-up globally and it's important for any operator to fully understand the TTESP systems and the potential pain points. PETRONAS has been a pioneer in TTESP field, and this paper will provide details on the learning curve during the TTESP journey.

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Troubleshooting Cable Deployed Thru Tubing Electrical Submersible Pumps: A Case Study from South East Asia

Anand

Rosland

Ghonim

et al. 2021

Day 2 Wed, October 13, 2021

View full text Add to dashboard Cite

show abstract

Shifting Focus to Electrical Submersible Pump (ESP) Technology to Enhance Well Productivity and Recovery in Malaysia Fields

Fazilah

Bastidas

et al. 2023

Day 1 Wed, March 01, 2023

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More than 50% of Malaysia fields are matured or at its late life stage. These fields are mostly highly dependent on gas lift as the artificial lift method to maximize well potential and reserves recovery. Many of these fields are presently facing matured field operational challenges such as high water cut, shortage of gas lift supply, reservoir pressure depletion and aging facilities. As host authority for all hydrocarbon resources in Malaysia, PETRONAS Malaysia Petroleum Management (MPM) has initiated a Malaysia- wide effort to improve the production rate and recovery of hydrocarbon by expanding the usage of Electric Submersible Pump (ESP) as an alternative artificial lift method. ESP is an alternative artificial lift method that has been successfully pilot deployment. This paper focuses on the strategy of ESP replications at Malaysia to address production decline and extending well life through various enabler to support the target. PETRONAS has identified 10% of producing wells in Malaysia that will benefit from ESP technology, resulting in 6% incremental production. Subsequently, PETRONAS embarking ESP Feasibility Study with Solution Partner to mature ESP opportunities basket in integrated approach surface and subsurface and acts as an enabler for PAC to evaluate future fields for ESP replications. There are four main scopes in Feasibility Study which are, (i) Data Gathering and Well Screening, (ii) Potential Candidate Identification, (iii) Maturation of Opportunities Proposal and (iv) cost effective solution for ESP implementation. At the same time, ESP Integrated Contract which will serve as end-to-end solution for all PACs, is being developed by MPM as a key enabler to enhance ESP replications via more volume of work, lower cost, and improved lifecycle efficiency. There were five fields were under the ESP Feasibility Studies where comprehensive of subsurface and surface study were conducted. More than 500 strings were evaluated. A 50 well proposals were completed and the ESP opportunities to be implemented by phases to address production decline and to increase well life, leveraging on ESP Integrated Contract to create more value to PETRONAS and PAC. The feasibility study has also guided PETRONAS in candidate prioritization. Long term roadmap on ESP replications was developed to fully capitalize on ESP Technology to enhance Malaysia production and reserves monetization by creating the right ESP eco-system for the Oil & Gas Industry. The feasibility Studies approach enable future ESP studies in Malaysia fields.

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A Strategic and Flexible Approach to Through Tubing Electrical Submersible Pump Cable Deployed TTESP-CD Replication for Technology Robustness

Cited by 2 publications

References 0 publications

Troubleshooting Cable Deployed Thru Tubing Electrical Submersible Pumps: A Case Study from South East Asia

Troubleshooting Cable Deployed Thru Tubing Electrical Submersible Pumps: A Case Study from South East Asia

Shifting Focus to Electrical Submersible Pump (ESP) Technology to Enhance Well Productivity and Recovery in Malaysia Fields

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