Improving Well Cementing Quality with an Environmentally Preferred Multifunctional Polymer

Brandl, Andreas; Bray, Windal; Magelky, C.

doi:10.2118/154498-ms

Cited by 7 publications

(6 citation statements)

References 2 publications

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“…The new cementing systems using the MPA are also applicable in other areas where horizontal gas wells are drilled with BHCT up to 170°F (max. temperature MPA can be used as described by Brandl et al 2012) and API class H cement is preferred but not limited to.…”

Section: Slurry Designs Using a Multifunctional Additivementioning

confidence: 99%

“…Besides these logistical advantages, the MPA additive can simplify operations in the field, improving quality control and safety and so contributing to improved overall performance. Since the MPA is a cellulose-based polymer (Brandl et al 2012) it also reduces environmental risks and so provides a superior technology in areas where environmentally compliant additives are preferred or required by regulators. The reduced chemical footprint of the new cementing systems compared to conventional designs has finally a positive impact on ecological and economic considerations, adding valuable credits to a drilling project.…”

Section: Sustainability Aspectmentioning

confidence: 99%

“…The successful application of a multifunctional additive in light weight cementing systems for the challenging logistical, operational, and technical conditions in the Gulf of Thailand have already been demonstrated in a previous publication . Recently, a cellulose derivate was identified as mulftifunctional additive for well cementing applications up to 170°F (Brandl et al 2012). Evaluations of test results and a case history in the South China Sea proved that this multifunctional biopolymer can replace at least 5 additives (suspending agent, extender, foam stabilizer, fluid loss control agent, free fluid control agent, and gas control additive) in cementing systems, thereby simplifying slurry designs, operations and logistics.…”

Section: Introductionmentioning

confidence: 99%

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New Slurry Design Concepts Using Multifunctional Additives to Improve Quality and Sustainability of Cementing Systems for Zonal Isolation

2012

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The benefits of a new class of a multifunctional cement additive and the performance of the resulting cementing systems are evaluated in comparison to conventional slurry designs used for cementing wells in the Northeastern U.S. Cement testing procedures, lab test results, logistical and operational aspects, economical and ecological balances, chemical footprints of slurry designs are presented and discussed. The tested multifunctional additive can fully replace at least 4 different additives (extender, suspending agent, free fluid, fluid loss, and gas control additive) to achieve the desired performances and so simplify cement slurry designs. The multifunctional additive in this study also exhibits delayed hydration, which facilitates surface mixing and generates desired high viscosity over time, minimizing settling issues in horizontal wells during placement. The innovative cement design concept using a multifunctional additive reduce the number and loadings of chemical additives required to adjust the performance of cement slurries, thereby improving economics, reducing the chemical footprint, and simplifying logistics and operations.

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Section: Slurry Designs Using a Multifunctional Additivementioning

confidence: 99%

Section: Sustainability Aspectmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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New Slurry Design Concepts Using Multifunctional Additives to Improve Quality and Sustainability of Cementing Systems for Zonal Isolation

2012

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“…There are number of polymers that have been used in petroleum industry. From all of them, cellulose-based polymer has variety of applications in oil well cementing where it acts as multipurpose and functional additive in oil well cement slurry at wide range of density and temperature (Brandl et al 2012). The single derivative of cellulose polymer has advantage on other polymers as being film former and viscosifying agent that could be used in cement slurry for gas migration and fluid lose control (Reddy and Patil 2012).…”

Section: Introductionmentioning

confidence: 99%

Application of cellulose-based polymers in oil well cementing

Abbas

Irawan

Memon

et al. 2019

J Petrol Explor Prod Technol

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Cellulose-based polymers have been successfully used in many areas of petroleum engineering especially in enhanced oil recovery drilling fluid, fracturing and cementing. This paper presents the application of cellulose-based polymer in oil well cementing. These polymers work as multifunctional additive in cement slurry that reduce the quantity of additives and lessen the operational cost of cementing operation. The viscosity of cellulose polymers such as hydroxyethyl cellulose (HEC), carboxymethylcellulose (CMC) and hydroxypropyl methylcellulose (HPMC) has been determined at various temperatures to evaluate the thermal degradation. Moreover, polymers are incorporated in cement slurry to evaluate the properties and affect in cement slurry at 90 °C. The API properties like rheology, free water separation, fluid loss and compressive strength of slurries with and without polymer have been determined at 90 °C. The experimental results showed that the viscosity of HPMC polymer was enhanced at 90 °C than other cellulose-based polymers. The comparative and experimental analyses showed that the implementation of cellulose-based polymers improves the API properties of cement slurry at 90 °C. The increased viscosity of these polymers showed high rheology that was adjusted by adding dispersant which optimizes the rheology of slurry. Further, improved API properties, i.e., zero free water separation, none sedimentation, less than 50 ml/30 min fluid loss and high compressive strength, were obtained through HEC, CMC and HPMC polymer. It is concluded that cellulose-based polymers are efficient and effective in cement slurry that work as multifunctional additive and improve API properties and cement durability. The cellulose-based polymers work as multifunctional additive that reduces the quantity of other additives in cement slurry and ultimately reduces the operational cost of cementing operation. The comparative analysis of this study opens the window for petroleum industry for proper selection of cellulose-based polymer in designing of cement slurry.

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“…Based on the research results, they indicated that low viscosity CMC along some other additives are capable of optimizing the slurry and set cement performances. In the work of [8] a synthetic modified cellulose-based polymer is introduced, which acts as a multi-functional additive. By using a single multifunctional additive, a simplified logistics operation is achieved, as the number of additives usually needed to control the cement properties is significantly reduced.…”

Section: Introductionmentioning

confidence: 99%

Improvement of Cement Properties Using a Single Multi-functional Polymer

Moradi

Nikolaev

Leusheva

2018

IJE

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Cementing of the casing pipes inside the wellbore is considered as one of the most expensive and difficult operations during the well construction process. A low quality cementing job leads to further repair operations, which are usually costly and time-consuming to conduct. Polymer cements are being used for decades in the oil and gas industry due to their improved properties such as sedimentation stability, flexural strength and adhesion. Furthermore, these cements are characterized by improved pore structure, decreased slurry density, decreased porosity and controllable rheological parameters. In this research, a single domestic polymer is added as a cement modifying agent. Domestic additive are easier to buy in the market and are usually cheaper than the imported additives. In addition, using a single additive leads to a simplified logistics operation. Results of the experimental investigations on the main properties of the developed cement systems show that using the proposed polymer in the proper concentration leads to an optimum flow-ability and pump-ability of the slurry, reduced cement water loss, increased strength characteristics and improved adhesion properties of the set cement.

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Improving Well Cementing Quality with an Environmentally Preferred Multifunctional Polymer

Cited by 7 publications

References 2 publications

New Slurry Design Concepts Using Multifunctional Additives to Improve Quality and Sustainability of Cementing Systems for Zonal Isolation

New Slurry Design Concepts Using Multifunctional Additives to Improve Quality and Sustainability of Cementing Systems for Zonal Isolation

Application of cellulose-based polymers in oil well cementing

Improvement of Cement Properties Using a Single Multi-functional Polymer

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