Through-barrier diagnostics of thief injection and production on mature fields for carbon footprint improvement
https://doi.org/10.51890/2587-7399-2023-8-1-64-72
Abstract
Background. Injection and production wells integrity play a key role in energy balance throughout reservoir development especially in mature fields as it becomes challenging to pressure support depleted target reservoirs. A large differential pressure between target and untargeted zones tends to cement integrity failure resulting thief injection and high water cut in oil production wells. This directly impacts water flooding efficiency, production efficiency and indirectly significantly increase carbon footprint during reservoir development of mature field.
Aim. To improve workover efficiency and carbon footprint decrease a way to enhance conventional diagnostics is presented in this work.
Materials and methods. A special approach of production logging called through-barrier diagnostics including passive spectral acoustics and temperature modelling for quantitative analysis of thief injection or production profile is described in this work.
Results. A number of through-barrier diagnostic cases revealing a true source of water in oil wells with high water cut and thief injection in water injectors are presented in the work as well as information on remedials for each case.
Conclusions. This work shows how through-barrier diagnostics helps operators to accurately allocate a reason of high water cut in oil production wells and thief injection geometry in injection wells unlike conventional diagnostics that can only detect water entering the wellbore. In presented cases, through-barrier diagnostics leads to a significant reduction in water volumes and CO2 emissions, and increased field production.
Keywords
About the Authors
V. M. NagimovRussian Federation
Vener М. Nagimov — Cand. Sci. (Techn.), Expert of the Geological Department
59, Magistralnaya str., 420108, Kazan
A. A. Lutfullin
Russian Federation
Azat A. Lutfullin — Cand. Sci. (Techn.), Deputy head of the Field Development Department
75, Lenina str., 423450, Almetyevsk, Republic of Tatarstan
I. S. Karimov
Russian Federation
Ildar S. Karimov — Head of the Department of Geological and Technical Operations
75, Lenina str., 423450, Almetyevsk, Republic of Tatarstan
I. R. Mukhliev
Russian Federation
Ilnur R. Mukhliev — Head of the Planning and Drilling Geological Support Department
75, Lenina str., 423450, Almetyevsk, Republic of Tatarstan
A. V. Trusov
Russian Federation
Alexander V. Trusov — Technical sales manager
59, Magistralnaya str., 420108, Kazan
References
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2. Doszhan Yeleussinov et all. Vertical Fracture Monitoring by Multi-Rate Through-Barrier Diagnostics.SPE-207067, paper was prepared for presentation at the SPE Annual Caspian Technical Conference scheduled to be held virtually on 5-7 Oct 2021.
3. Aslanyan I. et al. Water Source Identification and Inflow Profile Determination in Horizontal Wells after Multistage Hydraulic Fracturing Using Passive Location Method and Temperature Modelling. SPE-191560-MS, SPE Russian Petroleum Technology Conference. — 2018. P. 6. https://doi.org/10.2118/191560-18RPTC-MS
4. Kantyukov R., Grishin D., Nikitin R., Aslanyan A. et al. An Integrated Approach to the Integrity Diagnostics of Underground Gas Storage Wells // SPE-188656-MS was presented at ADIPEC in Abu Dhabi, UAE, 13-16 November 2017. P. 5.
Review
For citations:
Nagimov V.M., Lutfullin A.A., Karimov I.S., Mukhliev I.R., Trusov A.V. Through-barrier diagnostics of thief injection and production on mature fields for carbon footprint improvement. PROneft. Professionally about Oil. 2023;8(1):64-72. (In Russ.) https://doi.org/10.51890/2587-7399-2023-8-1-64-72