Samarang Well Intervention Performance Evaluation for Production Enhancement Portfolio

Setiawan, Toto’ Bara; Ghazali, Rohaizat; Granados, Leidy Pitre; Sepúlveda, Willem; Chandrakalatharan, Jayasharadha; Zubbir, Ahmad Uzair; Hanafi, Muhammad Mukrim Mohamed; Vaca, Juan Cortez; Yildiz, Rasim

doi:10.2118/180689-ms

IADC/SPE Asia Pacific Drilling Technology Conference 2016

DOI: 10.2118/180689-ms

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Samarang Well Intervention Performance Evaluation for Production Enhancement Portfolio

Toto’ Bara Setiawan

Rohaizat Ghazali

Leidy Pitre Granados

et al.

Abstract: Since 2010, Samarang Alliance, a partnership between Petronas Carigali Sdn Bhd and Schlumberger SPM, has been redeveloping the offshore Samarang oil field. The objective of the Alliance is to maximize asset value through implementation of technology, processes and practices that enable infill drilling, reservoir management, EOR, Integrated Operations (IO) and production enhancement activities. One of the focus areas upon resource extraction initiatives of Samarang Alliance is through rigless int… Show more

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Production Increase in an Onshore Oilfield Using a Rapid Screening and Multidisciplinary Approach

Okoroafor

Obi²,

Akenobo³

et al. 2017

Day 3 Wed, August 02, 2017

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A natural phase in the life of oilfields is the maturation phase where the field undergoes all or some of situations as decline in pressure, increase in water and/or gas production, and fluid contact movement. Reservoir management practices require identifying these oilfield challenges and coming up with solutions to maximize production from such fields adapted to the uniqueness of the wells and reservoirs in the field. This paper discusses a novel multidisciplinary and rapid screening methodology for identifying well intervention candidates. The methodology adopted to evaluate production increase opportunities was on field and well bases. Geology, Petrophysics, Reservoir Engineering, Production Technology, Production Engineering and Completions Engineering disciplines were involved in this study. The field assessment started with the field production performance review using a production surveillance and forecasting tool. This was combined with a holistic field geological review of the static models and well logs on a shared-earth modelling software and a wellbore-centric data integration and interpretation software respectively. Based on the field assessment review, reservoirs were ranked based on remaining oil in place and cumulative production. Results of the field assessment were then fed into the single well assessment phase where individual well performance was reviewed using the production surveillance and forecasting software. This production surveillance and diagnosis was done vis-a-vis a multidisciplinary workflow of integrating reservoir models, well logs, fluid contact interpretations, pressure data, historical production, completion designs and information from previous workover operations and well surveillance reports. This workflow identified possible candidates where well intervention could be done, the type of well intervention and production enhancement operations that could be deployed, and the order to which the interventions should take place based on cost and potential gains. However, to estimate the incremental production that could be derived from the proposed well interventions, a workflow coupling single well predictive modelling and production systems analysis was done, which was further used to rank the wells. Implementing the recommendations from the rapid screening and ranking workflow resulted in incremental production of 3300 bopd from the few intervention operations executed. The results also validated the predictions made during the rapid screening study. This paper thus demonstrates the added value in a multidisciplinary approach to screening and identifying candidates for well intervention, to extend the life of producing wells and ultimately increase field production.

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Production Increase in an Onshore Oilfield Using a Rapid Screening and Multidisciplinary Approach

Okoroafor

Obi²,

Akenobo³

et al. 2017

Day 3 Wed, August 02, 2017

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Mature Field Revitalisation: An Integrated, Rapid, Collaborative Approach for Candidate Selection and Reservoir Optimization

Mazzlan

Chia

Tamin

et al. 2019

Day 1 Tue, March 26, 2019

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‘S’ field is a mature oilfield located offshore Sabah, Malaysia. As part of the redevelopment plan, ‘S’ field was the first field selected for an end-to-end asset management Integrated Operations (IO project) where multiple workflows have been implemented for the asset operation optimization through monitoring and surveillance. One of the exclusive workflow that will be further elaborated in this paper is on Candidate Selection and Reservoir Optimization. Although field optimization mission was ongoing, proper knowledge capture and standardization of such techniques were not adequate due to the limited data management. Lack of decision-support mechanism and most importantly the challenge was of understanding and analysing the asset performance. A key to the success of field and reservoir optimization is defining a tailored approach, for selection of right candidate and collaborative decision for well/field intervention. With an objective of full field revitalization, the project was focused on integrated, collaborative 3R approach – Reliability, Reusability and Repeatability. Reliability component was based on capturing knowledge from experienced professionals from various domains and blending that with traditionally proven analytical techniques. Reusability was emphasized by the development of consistent and robust analysis workflows ready to use. Repeatability was aiming at standardizing the process of candidate selection and decision making to assist junior engineers.

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Samarang Well Intervention Performance Evaluation for Production Enhancement Portfolio

Cited by 2 publications

References 3 publications

Production Increase in an Onshore Oilfield Using a Rapid Screening and Multidisciplinary Approach

Production Increase in an Onshore Oilfield Using a Rapid Screening and Multidisciplinary Approach

Mature Field Revitalisation: An Integrated, Rapid, Collaborative Approach for Candidate Selection and Reservoir Optimization

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