Stand Alone Screens: What Key Parameters are Really Important for a Successful Design?

Viguerie, Bjorn; Aubry, Eric; Rivet, Pascal

doi:10.2118/165170-ms

Cited by 15 publications

(1 citation statement)

References 7 publications

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“…OH-SAS can be an effective and reliable sand control completion when applying proper design considerations and execution best practices (Furgier et al, 2013, Safiin et al, 2011. The casing or liner is set above or inside the producing formation.…”

Section: Flux Model Requirements For Oh-sasmentioning

confidence: 99%

A Well Flux Surveillance and Ramp-Up Method for Openhole Stand-Alone Screen Completion

Karaaslan

Wong

Soter

et al. 2020

Day 2 Tue, October 27, 2020

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Production and surveillance engineers need practical models to help balance out the reward of maximizing production and the risk of ramping-up the well too much that damages the completion. This paper presents a well flux surveillance method to monitor and ramp-up production for openhole stand-alone screen (OH-SAS) completion that optimizes production by considering risks of production impairment and screen erosion failure. The flux surveillance model for OH-SAS assumes the filter cake from drilling operations does not cleanup uniformly during fluids unloading and production. This leaves pinholes on the filter cake that cause concentrated flows. The flux model contains three components: (a) capture and describe input properties of pinhole, (b) link completion pressure drop of flows across filter cake region and through pinholes to surveillance results from pressure transient analyses, and (c) distribute fluxes in the SAS wellbore. The model uses three input parameters to describe the pinhole diameter and internal filter cake properties. They are determined as a system utilizing the laboratory return permeability test, computerized tomography scans of test samples, and computational fluid dynamics simulations. The completion pressure drop incorporates radial and hemispherical flows and captures the compounding skin effects of pinholes with internal filter cake. Flux distributions are modeled as a network system. This contains branches and nodes that incorporate radial and vertical flow resistances in the annular region of SAS. Application of filter cake properties and pressure transient analysis data showed the completion pressure drop as a function of flow rate is non-linear and higher with pinholes than without pinholes. By not incorporating pinholes in surveillance, operations can potentially limit ramp up when the completion pressure drop in the field is higher than predicted. Results from the network model showed the largest radial screen impingement velocity is at the top section of screen. The axial annular flow velocity or scouring velocity is two orders of magnitude larger than the screen impingement velocity. This warrants further considerations of wellbore enlargement and screen scouring erosion mechanisms due to the high axial annular flow.

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Section: Flux Model Requirements For Oh-sasmentioning

confidence: 99%

A Well Flux Surveillance and Ramp-Up Method for Openhole Stand-Alone Screen Completion

Karaaslan

Wong

Soter

et al. 2020

Day 2 Tue, October 27, 2020

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Sand screen selection by sand retention test: a review of factors affecting sand control design

Khan,

Zainal,

Idris

et al. 2024

J Petrol Explor Prod Technol

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The installation of sand screens in open-hole completions in the wellbore is crucial for managing sand production. The main reason for using standalone screens in open-hole completions is their relatively reduced operational complexity compared to other sand control technologies. However, directly applying the screen to the bottom of the hole can lead to an incorrect screen type selection, resulting in an unreliable sand control method. To address this issue, a sand retention test is conducted to evaluate the performance of a standalone screen before field installation. Nevertheless, current sand retention test setups encounter several challenges. These include difficulties in identifying minimum retention requirements, interpreting results in the context of field conditions, and replicating field-specific parameters. The existing sand retention test introduces uncertainties, such as inaccurately replicating field requirements, inconsistent selection of wetting fluids, flow rates, and channel formation, leading to variations in the choice of the optimal screen using this test. In response to these challenges, this study aims to review the sand retention test and propose an improved sand retention method to overcome these problems. The focus of this article is to provide an in-depth analysis of previous sand retention test setups, their contributions to characterizing sand screens, and the parameters utilized in determining test outcomes. Additionally, this review outlines a procedure to investigate the impact of different particle sizes on screen erosion. Key findings emphasize the importance of using high-quality materials, proper screen design to resist damage and erosion, achieving acceptable natural packing behind the screen, and considering factors such as geology, wellbore conditions, and installation techniques. The analysis reveals that a high quantity of finer and poorly sorted sand increases sand production. The study recommends performing a sand pack test closer to reservoir conditions for better evaluation. Premium sand screens demonstrate the highest retention capacity, followed by metal mesh and wire-wrapped screens. Additionally, geotextiles show potential for enhancing sand retention, and screen design affects erosion resistance and service life.

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Successful Exploitation of Heterogeneous Unconsolidated Clastic Gas Reservoirs in Saudi Arabia: Case Histories

Alali

Al-Anazi

Aziz

2015

SPE Middle East Oil &Amp; Gas Show and Conference

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Stand Alone Screens: What Key Parameters are Really Important for a Successful Design?

Cited by 15 publications

References 7 publications

A Well Flux Surveillance and Ramp-Up Method for Openhole Stand-Alone Screen Completion

A Well Flux Surveillance and Ramp-Up Method for Openhole Stand-Alone Screen Completion

Sand screen selection by sand retention test: a review of factors affecting sand control design

Successful Exploitation of Heterogeneous Unconsolidated Clastic Gas Reservoirs in Saudi Arabia: Case Histories

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