Prediction of compressive strength of oil field class G cement slurry using factorial design

Falode, Olugbenga; Salam, K. K.; Arinkoola, A. O.; Ajagbe, B. M.

doi:10.1007/s13202-013-0071-0

Cited by 15 publications

(14 citation statements)

References 3 publications

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“…A class G cement powder from PT Holcim has been purchased. Class G cement is applicable in the well cementing environment (Falode et al, 2013). Furthermore, nanosilica from Aldrich Company, where the physical properties are listed in the table 1, is procured.…”

Section: Methodsmentioning

confidence: 99%

An Experimental Study on Effect of Palm – Shell Waste Additive to Cement Strenght Enhancement

Novriansyah

Novrianti

et al. 2017

J. Geoscience Eng. Environ. Technol.

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Enhancing the cement strength through attaching chemical additive has been popular to meet the required condition for a particular well-cementing job. However, due to a low oil-price phenomenon, pouring and additive should be reconsidered because it can raise the cost and make the project become uneconomic. Another additive material in nanocomposite form will be introduced through this experimental study. The nanocomposite material consist of silica -shell-waste, which is abundant in Indonesia. Before making a nanocomposite, the palm-shell should be burned to obtain a charcoal form, ground and sieved to attain a uniform size.The study focuses on the two parameters, compressive strength and shear bond strength, which can reflect the strength of the cement. These values are obtained by performing a biaxial loading test to the cement sample. Various samples with different concentration of nanocomposite should be prepared and following the mixing, drying, and hardening process before the loading test is carried out. The result from the test shows a positive indication for compressive strength and shear bond strength values, according to the representative well cementing standards. Increasing the nanocomposite concentration on the cement will increase these values. Furthermore, an investigation on the temperature effect confirms that the sample with 700 o C burning temperature have highest compressive-strength and shear-bond-strength values. This is a potential opportunity utilizing a waste-based material to produce another product with higher economic value.

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Section: Methodsmentioning

confidence: 99%

An Experimental Study on Effect of Palm – Shell Waste Additive to Cement Strenght Enhancement

Novriansyah

Novrianti

et al. 2017

J. Geoscience Eng. Environ. Technol.

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“…A" set" of" equations"is"then"used"to"convert"velocity"to"uniaxial"compressive"strength" [22]." Results"of"UCA"test"are"usually"presented"as"in"the"graph"below."…”

Section: "mentioning

confidence: 99%

“…The" compressive" strength" test" is" the" utmost" important" test" applied" to" the" concrete," which" gives" a" good" picture" of" its" quality." Compressive" strength" depends" on" several" factors," including" type" of" raw" material" and" additives," slurry" design," method" and" time" for" curing" and" temperature" [22]." To" perform" the" test," cement" slurry"specimens"have"to"be"prepared"first.…”

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confidence: 99%

Shoe Track Drillout Analysis: Factors Affecting Drilling Efficiency

Wiktorski

2016

Day 1 Wed, April 20, 2016

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Drillout optimization is analyzed based on criteria that includes higher rate of penetration (ROP), reduced overall cost per foot, reduced drilling time, and reduced wear rates. In the industry, there are no mechanistic and empirical models used to simulate shoe track drillout optimization. The current common approach is the use of "best practices," which have been developed by companies throughout years of experience. However, even when the best practices are used, shoe track drillout is often time-consuming and damaging to the operation of the drilling tools. This paper presents analyses of field shoe track drillouts data, obtained from several wells, to assess the primary drilling controlling parameters with respect to drillout times. The study reveals primary factors that affect shoe track drillout time. It also provides an understanding of how operational parameters should be manipulated to achieve the desired ROP. Finally, the study results were compared to existing best practices. This comparison was used to create a combined list of recommendations that can be consulted before drilling through a shoe track. Although the elimination of damage to the BHA is an important issue in this topic, it is beyond the scope of this paper and may be the focus of future research.

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“…In particular, the density of hydration products is higher than that of the original unhydrated phases. In the absence of extra water supply, this causes neat cement to shrink (Dusseault et al 2007). As a result of chemical shrinkage, i.e., shrinkage due to hydration, porosity and pore pressure decrease as setting proceeds.…”

Section: Introductionmentioning

confidence: 99%

Uniaxial compressive strength of geopolymer cement for oil well cement

Suppiah

Rahman

Shafiq

et al. 2019

J Petrol Explor Prod Technol

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Ensuring oil-well-integrity is one of the challenging tasks when cementing is designed. It has been well established that cement tends to degrade when exposed to a corrosive environment and at elevated temperatures. This paper presents the results of the uniaxial compressive strength of the qualified mixes of geopolymer cement containing fly ash as the precursor. Geopolymer cement samples were cured in the potable water heated at 60 °C and 90 °C for 24 h before testing for uniaxial compressive strength. Uniaxial confined compressive strength test was performed for samples cured at a 60 °C, and results of the samples bearing density of 13, 15, and 17 ppg were obtained as 4.12, 9.21 and 17.68 kPa, respectively. For 90 °C, the compressive strengths were 4.43, 15.34 and 78.14 kPa, respectively, for the samples bearing the same density. Samples cured at 90 °C showed the higher value of UCS as compared to the samples cured at 60 °C, and it was because heat is required to stimulate the polymeric reaction.

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Prediction of compressive strength of oil field class G cement slurry using factorial design

Cited by 15 publications

References 3 publications

An Experimental Study on Effect of Palm – Shell Waste Additive to Cement Strenght Enhancement

An Experimental Study on Effect of Palm – Shell Waste Additive to Cement Strenght Enhancement

Shoe Track Drillout Analysis: Factors Affecting Drilling Efficiency

Uniaxial compressive strength of geopolymer cement for oil well cement

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