Modeling the Dynamic Pressure Response of Ball-Actuated Stimulation Sleeves

Augustine, Jody R.; Meijs, Raymund

doi:10.2118/127821-pa

Cited by 4 publications

(2 citation statements)

References 9 publications

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“…Most of these allow little or no control over fluid inflow after they are installed. Common inflow flow devices are basically pipe with a certain number of openings/holes per unit of length (Augustine et al 2008;Daneshy et al 2012;Dikshit et al 2020;Montero Pallares et al 2020) the openings (Al-Khelaiwi et al 2010;Augustine and Meijs 2011;Langaas et al 2019;Li et al 2011).…”

Section: Deviated or Horizontal Wellsmentioning

confidence: 99%

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Water shutoff and conformance improvement: an introduction

2021

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This paper provides an introduction to the topic of water shutoff and conformance improvement. After indicating the volumes of water produced during oilfield operations, a strategy is provided for attacking excess water production problems. Problem types are categorized, typical methods of problem diagnosis are mentioned, and the range of solutions is introduced for each problem type. In the third section of the paper, the concept of disproportionate permeability reduction is introduced—where polymers and gels may reduce permeability to water more than to oil or gas. When and where this property is of value is discussed. The fourth section describes the properties of formed gels as they extrude through fractures and how those properties can be of value when treating conformance problems caused by fractures. Section 5 covers the efficiency with which gels block fractures after gel placement—especially, the impact of fluids injected subsequent to the gel treatment.

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Section: Deviated or Horizontal Wellsmentioning

confidence: 99%

“…Another type of passive inflow control device uses buoyant balls to open or close an opening, depending on whether oil or water is present (Augustine and Meijs 2011). Although these devices have a reasonable underlying concept, their acceptance is not yet widespread.…”

Section: Deviated or Horizontal Wellsmentioning

confidence: 99%

Water shutoff and conformance improvement: an introduction

2021

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Monitoring Hydraulic Fracturing Operations Using Fiber-Optic Distributed Acoustic Sensing

Boone¹,

Crickmore²,

Werdeg³

et al. 2015

Proceedings of the 3rd Unconventional Resources Technology Conference

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How Do We Achieve Sub-Interval Fracturing?

Augustine

2011

SPE Annual Technical Conference and Exhibition

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To achieve multiple transverse fractures in a horizontal well, ball-actuated stimulation-sleeve completions were developed as an operationally faster alternative to plug-and-perforate completions. However, ball-actuated stimulation sleeves have reached a physical limit for the maximum number that can be used in a well. Horizontal wells can be divided into approximately 20 independent intervals. The actual maximum number of intervals is dependent on several variables. The goal is to achieve an independent transverse (normal to the wellbore axis) fracture for each interval. Each interval is pumped separately. To attain more transverse fractures per well, multi-entry stimulation sleeves were developed to subdivide the intervals. An interval consists of one traditional ball-actuated stimulation sleeve and one or more multi-entry stimulation sleeves located upstream of the traditional stimulation sleeve. Multi-entry stimulation sleeves are actuated, or opened, with a specific-diameter ball, and then the ball is released and lands on a traditional stimulation sleeve. Each interval is still pumped separately, and the fluid flows in parallel through each sub-interval (sleeve within the interval). The question to be answered is how can sub-interval fracturing be achieved while pumping through multi-entry sleeves in parallel? The ultimate goal is to achieve one transverse fracture per sub-interval. Analysis results are presented that address several issues, specifically, the role of annular isolation between sub-intervals, methods to achieve sub-interval fracturing, and scenarios that result in only one fracture per interval. Several options for the verification of sub-interval fracturing are discussed. Currently, plug-and-perforate completions with multiple clusters are used. The perforation clusters are pumped in parallel. However, there is more to be done to help ensure sub-interval fracturing or verify the effectiveness of the multiple clusters. Strengths and weaknesses of the verification methods for both multiple-cluster plug-and-perforate completions and multi-entry stimulation-sleeve completions are discussed.

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Modeling the Dynamic Pressure Response of Ball-Actuated Stimulation Sleeves

Cited by 4 publications

References 9 publications

Water shutoff and conformance improvement: an introduction

Water shutoff and conformance improvement: an introduction

Monitoring Hydraulic Fracturing Operations Using Fiber-Optic Distributed Acoustic Sensing

How Do We Achieve Sub-Interval Fracturing?

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