Foam Cement Engineering and Implementation for Cement Sheath Integrity at High 
Temperature and High Pressure

Griffith, James F.; Lende, Gunnar; Ravi, Kris; Saasen, Arild; Nødland, Nils; Jordal, Ole

doi:10.2523/87194-ms

Cited by 7 publications

(5 citation statements)

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“…Therefore, understanding the failure mechanisms under different operating conditions can be integrally linked to a more accurate assessment of wellbore integrity [1]. The failure of cement sheath in the wellbore has been identified to be dependent on the wellbore architecture and the mechanical properties of the cement slurry [2,3,4,5,6,7]. As producing well ages with time and the result of the subjected down hole fluids, pressures and temperature; the mechanical properties of the down hole equipment are eventually depreciated [8].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Suitability of Carboxylmethyl Cellulose (CMC) from Rice Husks/Saw Dust as Replacement for Conventional Hydroxy Ethyl Cellulose (HEC) as Additive for Cement Slurry Design

Mohammed

Onuoha

Emenike

2021

JERR

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This study will evaluate the suitability and effectiveness of using Cellulose derived from Rice husk and Saw dust as cement slurry additive to replace the conventional cellulose in order to minimize cost and optimize drilling. Rice husks and Saw dusts were processed and Carboxylmethyl Cellulose (CMC) extracted with Sodium Hydroxide, Ethanol and Sodium Monochloroacetate. Three cement slurry samples from the produced CMC (Rice husks and Saw dust) and the conventional HEC were formulated. Different mass percent concentration of 0.2, 0.4, 0.6,0.8 and 1 of the CMC from Rice husks, Saw dust and Conventional HEC were added and subjected to different temperature conditions of 200°F, 300°F, 400°F, 500°F, 600°F. Rheological Properties of the formulated cement slurry such as Yield point and Plastic viscosity were tested at those temperature conditions. Results show that the yield point for all the temperature conditions and the additive concentration for the CMC from Rice husks and Saw dust have the same trend with the conventional HEC. Also, the plastic viscosity of the CMC from the Rice husks and Saw dust were in agreement and same trend with the conventional HEC. The results reveals that cellulose prepared from Rice husks and Saw dust gave almost the same rheological properties with that of the convention HEC and can be used in place of conventional HEC to reduce cost and also achieve the same results.

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Section: Introductionmentioning

confidence: 99%

Evaluation of the Suitability of Carboxylmethyl Cellulose (CMC) from Rice Husks/Saw Dust as Replacement for Conventional Hydroxy Ethyl Cellulose (HEC) as Additive for Cement Slurry Design

Mohammed

Onuoha

Emenike

2021

JERR

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“…Foamed cement is typically used in wells with weak formations or anywhere a low density cement is required but it has been used successfully in other adverse environments where the foaming provides better performance, over conventional or unfoamed cements [11]. It has been used for high-temperature/high-pressure wells where stress cracking is of concern due to the cycling pressures and temperatures [4,12]. Its higher ductility when compared to conventional cements makes it more resilient to stress cracking [1,4,5,7].…”

Section: Introductionmentioning

confidence: 99%

The Influence of Bubbles on Foamed Cement Viscosity Using an Extended Stokesian Dynamics Approach

Rosenbaum

Massoudi

Dayal

2019

Fluids

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We want to study the influence of bubbles on the viscosity of suspensions with a computational approach that also accounts for the arrangement of the bubbles due to shearing flow. This requires a large number of bubbles to properly simulate and requires a large amount of computational resources. Here we develop a set of equations to define the viscosity ratio from the simulation results to show the influence of the bubbles on the viscosity as a function of the volume fraction. One application of this work has been used to study a specific type of cement that has bubbles injected into the slurry while it is still fluid. The bubbles are added to reduce the density but they also improve the properties of the cement with the increase in viscosity. We show that the computed results match the few experimental results that have been reported.

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“…Stable foamed cement has a consistent density along the length of the column with a homogenous 22 distribution of bubbles throughout the same column, commonly known as bubble size distribution (BSD). 23 BSD of well formed foamed cement has been shown to have a uniform distribution of spherical, discreet 24 bubbles to ensure that gas will not break out of the slurry (Nelson and Bell, 2006;Griffeth et al, 2004). 25…”

Section: Introductionmentioning

confidence: 99%

Relationship between operational variables, fundamental physics and foamed cement properties in lab and field generated foamed cement slurries

Glosser

Kutchko

Benge³

et al. 2016

Journal of Petroleum Science and Engineering

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14Foamed cement is a critical component for wellbore stability. The mechanical performance of a foamed 15 cement depends on its microstructure, which in turn depends on the preparation method and attendant 16 operational variables. Determination of cement stability for field use is based on laboratory testing 17 protocols governed by API Recommended Practice 10B-4 (API RP 10B-4, 2015). However, laboratory 18 and field operational variables contrast considerably in terms of scale, as well as slurry mixing and 19 foaming processes. Here, laboratory and field operational processes are characterized within a physics-20 based framework. It is shown that the "atomization energy" imparted by the high pressure injection of 21 nitrogen gas into the field mixed foamed cement slurry is -by a significant margin -the highest energy 22 process, and has a major impact on the void system in the cement slurry. There is no analog for this high 23 energy exchange in current laboratory cement preparation and testing protocols. Quantifying the energy 24 exchanges across the laboratory and field processes provides a basis for understanding relative impacts of 25 these variables on cement structure, and can ultimately lead to the development of practices to improve 26 cement testing and performance. 27 28

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Foam Cement Engineering and Implementation for Cement Sheath Integrity at High Temperature and High Pressure

Cited by 7 publications

References 0 publications

Evaluation of the Suitability of Carboxylmethyl Cellulose (CMC) from Rice Husks/Saw Dust as Replacement for Conventional Hydroxy Ethyl Cellulose (HEC) as Additive for Cement Slurry Design

Evaluation of the Suitability of Carboxylmethyl Cellulose (CMC) from Rice Husks/Saw Dust as Replacement for Conventional Hydroxy Ethyl Cellulose (HEC) as Additive for Cement Slurry Design

The Influence of Bubbles on Foamed Cement Viscosity Using an Extended Stokesian Dynamics Approach

Relationship between operational variables, fundamental physics and foamed cement properties in lab and field generated foamed cement slurries

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