Reservoir Characterization and Monitoring Using Geochemical Fingerprinting Technology with Case Studies in the Delaware Basin

Jin, Muqing; Esmaili, Soodabeh; Harris, Ayelet; Pavlovic, Mitch; Serna, A Ramírez de Arellano; Lv, Tao; Wu, Jiang; Liu, Faye

doi:10.15530/urtec-2022-3723632

Cited by 6 publications

(1 citation statement)

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“…The approach relies on the unique biomarker signatures of each formation and their corresponding appearance in the produced fluids. This approach was used to optimize the landing depth and quantify the contribution of each member of the formation [46,47]. Bachleda et al [48] utilized the approach to build a proxy for EUR predictions in the Anadarko Basin.…”

Section: Diagnostics Technologiesmentioning

confidence: 99%

Advancement in Hydraulic Fracturing for Improved Oil Recovery

Merzoug,

Ouadi,

Tomomewo

2023

Innovations in Enhanced and Improved Oil Recovery - New Advances

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This chapter provides a comprehensive overview of advancements in hydraulic fracturing in unconventional plays. The narrative starts with an introduction to hydraulic fracturing and its transformative potential in the U.S., showcasing innovations in fracturing volumes, proppant masses, and well laterals. A detailed examination of fracturing fluids follows, emphasizing the dominance of slickwater treatments in unconventional plays. The chapter then delves into the crucial role of proppants, highlighting their surge in usage over a decade and the consequential shifts in material choice. The intricacies of perforation design are explored, particularly the revolutionary Xtreme Limited Entry approach and its subsequent impacts on production efficiency. In the realm of diagnostic technologies, the chapter presents a range, from traditional methods to emerging ones like Microseismic Depletion Delineation and time-lapse geochemical fingerprinting. The topic of refracturing is also addressed, spotlighting its merits in combating rapid production declines and the associated challenges. Finally, the chapter elucidates the phenomenon of fracture-driven interaction, offering insights into its historical context, influential factors, and proposed strategies to manage its repercussions. Through its breadth and depth, this chapter underscores the multifaceted nature of hydraulic fracturing advancements and their significance in the oil industry.

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Section: Diagnostics Technologiesmentioning

confidence: 99%

Advancement in Hydraulic Fracturing for Improved Oil Recovery

Merzoug,

Ouadi,

Tomomewo

2023

Innovations in Enhanced and Improved Oil Recovery - New Advances

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Improved Well Spacing Decision Using RTA: Workflow to Translate RTA Half-Length to Actual Depletion

Muralidharan

Esmaili

2022

SPE Annual Technical Conference and Exhibition

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Rate Transient Analysis (RTA) is widely used in the industry to understand the Stimulated Reservoir Volume (SRV) of horizontal wells for forecasting and for comparing well performance. However, significant well interferences are observed while using SRV dimensions obtained from analytical models in making well spacing decisions. The reason for that is the assumption of rectangular shape for SRV representation, which is not a realistic case. Upon drilling several pressure monitoring wells in the Permian Basin and comparing them with multiple diagnostic tools, we found that the actual SRV vertical drainage is not uniform. Inaccurate characterizations of fracture height and half lengths would result in either overcapitalizing the project or not draining the reservoir efficiently. The objective of this study is to provide guidance for improving stacked development in the Permian Basin with the understanding of depletion patterns around individual wells both vertically and laterally. Pressure depletion profiles from several vertical monitoring wells in the Permian Basin are used to define the depletion patterns. Downhole microseismic data are also utilized to bridge any gaps. Several fully developed sections are used as case studies to validate the frac geometries and assumptions. The learnings from this study will be tremendously useful in applying RTA to optimize vertical and lateral spacing of unconventional wells across the Permian Basin.

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Evaluation of Effective Drainage Height through Integration of Microseismic and Geochemical Depth Profiling of Produced Hydrocarbons

Maxwell¹,

Brito²,

Ritter³

et al. 2023

Day 2 Wed, February 01, 2023

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This study integrates microseismic hydraulic fracture mapping with geochemical production profiling to understand the interaction between mechanical stratigraphy, fracture geometry, and effective drainage for wells landed in different benches of the STACK play in Oklahoma. Microseismic monitoring was used to map the extents of the hydraulic fracture system contacted during stimulation, while high resolution geochemical analysis or ‘fingerprinting’ was used to assess how different formations in the reservoir were draining. Microseismicity showed that hydraulic fracture growth from an Upper Meramec well rapidly cover the entire Meramec interval with some growth downward into the Woodford. Conversely, microseismicity initiating from a Woodford well clustered in that layer and grew upward into the Lower Meramec with time. Geochemical profiling closely matched the microseismic depth distributions for the associated well landing zones. Similar to the microseismic hydraulic heights from both Upper and Lower Meramec wells consistently produced from the entire Meramec, with additional recovery from the Woodford. Woodford landed wells produced Woodford oil with some production also coming from the Lower Meramec, also consistent with the microseismic depths. These production profiling trends were found to be very consistent across multiple sets of wells drilled into the same target formations. Integrating mapping of hydraulic fracture growth with geochemical assessment of the effective drainage within the hydraulically contacted zones provides unique insights into the reservoir contact and drainage. Understanding the mechanical stratigraphic controls on hydraulic fracture height growth relative to the reservoir drainage is key to informed decisions on wine-rack configurations for optimal reservoir drainage.

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Reservoir Characterization and Monitoring Using Geochemical Fingerprinting Technology with Case Studies in the Delaware Basin

Cited by 6 publications

References 0 publications

Advancement in Hydraulic Fracturing for Improved Oil Recovery

Advancement in Hydraulic Fracturing for Improved Oil Recovery

Improved Well Spacing Decision Using RTA: Workflow to Translate RTA Half-Length to Actual Depletion

Evaluation of Effective Drainage Height through Integration of Microseismic and Geochemical Depth Profiling of Produced Hydrocarbons

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