Evaluation of Rice Husk as Fluid Loss Control Additive in Water-Based Drilling Mud

Okon, Anietie N.; Udoh, Francis D.; Bassey, Perpetua G.

doi:10.2118/172379-ms

Cited by 45 publications

(32 citation statements)

References 6 publications

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“…This agro by-product (rice husk) according to Akoko et al (2012) and Kumar et al (2012) is used in the field of civil engineering as concrete fibre and the electrical engineering field as insulating materials. Recently, studies have evaluated its substitute for fossil fuel to generate electricity from biomass process as a renewable energy source (Okon et al, 2014). Thus, rice husk contains 50% cellulose, 23-30% lignin, and 15-20% Silica (Ismail and Waliuddin, 1996;Ummah et al, 2015).…”

Section: Overview Of the Locally Sourced Materialsmentioning

confidence: 99%

Evaluating the locally sourced materials as fluid loss control additives in water-based drilling fluid

Okon

Akpabio

Tugwell

2020

Heliyon

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In the exploration for hydrocarbons, a successful drilling operation to the desired depth hinges on the effective performance of the formulated drilling fluid. Apart from carrying drill cuttings to the surface, another major function of the fluid is to seal off the walls of the wellbore to prevent fluids from coming into and out of the wellbore while drilling a well. Numerous commercial fluid loss additives: carboxymethyl cellulose (CMC), polyanionic cellulose (PAC), among others have been in existence with their drawbacks and effect on the total drilling cost. This study evaluates the use of locally sourced materials: Detarium microcarpum, Brachystegia eurycoma and rice husk, as fluid loss control additive in the water-based drilling fluid. The materials were prepared, ground and sieved to 125 microns. Four sets of water-based drilling muds were formulated using the local materials and CMC as fluid loss control additives. The mud formulation was based on the American Petroleum Institute (API) standard of 25g bentonite to 350mL of water. Also, the filtration test of the formulated muds was performed using API recommended practice for static filtration test at low temperature-low pressure (LTLP) condition. The results obtained showed that Detarium microcarpum and rice husk fluid loss volume and filter cake thickness were comparable with that of CMC from additive content of 10g, while Brachystegia eurycoma was comparable from additive content of 15g. Furthermore, the composite additive results indicated that Detarium microcarpum-rice husk at 95% Detarium microcarpum-5% rice husk performed better than Brachystegia eurycomarice husk of the same combination. Additionally, the fluid loss volume and filter cake thickness of Detarium microcarpum-rice husk additive were comparable with CMC from 10g content. Also, the results revealed that the fluid loss volume and filter cake thickness obtained from the locally sourced materials were within API specification for fluid loss control agents. The mud filter cake characteristics exhibited by these materials depicted that they have slippery, smooth and soft mud cakes; thus, the characteristics of a good mud cake that will prevent differential pipe sticking.

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Section: Overview Of the Locally Sourced Materialsmentioning

confidence: 99%

Evaluating the locally sourced materials as fluid loss control additives in water-based drilling fluid

Okon

Akpabio

Tugwell

2020

Heliyon

Self Cite

View full text Add to dashboard Cite

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“…The results of this study showed an improvement in plastic viscosity but a reduction in the yield point and gel strength at concentrations from 6 to 10 part per billion (ppb). Okon et al (2014) revealed in their study that a concentration of 20 ppb rice husk was able to reduce the drilling fluid loss by 65% when compared to 10 ppb of carboxymethyl cellulose (CMC). On the other hand, the high concentration of rice husk might result in an undesirable effect on the plastic viscosity and pose a risk to delicate measurement while drilling (MWD) tools, which points out the importance of optimizing the concentration of rice husk.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of environmentally friendly drilling fluid additives (mandarin peels powder) to substitute the conventional chemicals used in water-based drilling fluid

Al-Hameedi

Alkinani

Dunn-Norman

et al. 2019

J Petrol Explor Prod Technol

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The non-biodegradable additives used in controlling drilling fluid properties cause harm to the environment and personal safety. Thus, there is a need for alternative drilling fluid additives to reduce the amount of non-biodegradable waste disposed to the environment. This work investigates the potential of using mandarin peels powder (MPP), a food waste product, as a new environmentally friendly drilling fluid additive. A complete set of tests were conducted to recognize the impact of MPP on the drilling fluid properties. The results of MPP were compared to low viscosity polyanionic cellulose (PAC-LV), commonly used chemical additive for the drilling fluid. The results showed that MPP reduced the alkalinity by 20-32% and modified the rheological properties (plastic viscosity, yield point, and gel strength) of the drilling fluid. The fluid loss decreased by 44-68% at concentrations of MPP as less as 1-4%, and filter cake was enhanced as well when comparing to the reference mud. In addition, MPP had a negligible to minor impact on mud weight, and this effect was resulted due to foaming issues. Other properties such as salinity, calcium content, and resistivity were negligibly affected by MPP. This makes MPP an effective material to be used as pH reducer, a viscosity modifier, and an excellent fluid loss agent. This work also provides a practical guide for minimizing the cost of the drilling fluid through economic, environmental, and safety considerations, by comparing MPP with PAC-LV.

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“…Recent research has been conducted on the use of biodegradable waste materials as drilling fluid additives to prevent environmental risks and ensure success (Amadi et al 2018). Okon et al (2014) examined the use of rice husk as an environmentally friendly filtration control additive. Their results showed that 20 ppb concentration of rice husk was able to reduce fluid loss by 65% when comparing it to 10 ppb concentration of carboxymethyl cellulose (CMC).…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of bio-enhancer drilling fluid additive: Can palm tree leaves be utilized as a supportive eco-friendly additive in water-based drilling fluid system?

Al-Hameedi

Alkinani

Dunn-Norman

et al. 2019

J Petrol Explor Prod Technol

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Serious problems will be presented due to using conventional chemical additives to regulate the drilling mud properties, as they have health, safety, and environmental side effects. Thus, there is a considerable necessity for alternative multifunctional bio-enhancer drilling mud additives, which can assist in optimizing the drilling fluid specifications and enhance its effectiveness with the least effects on the environment and the drilling personnel safety. The effects of adding two concentrations of palm tree leaves powder (PTLP) to water-based mud were conducted under fresh and aged conditions using standard API drilling fluids testing methods such as rheometer/viscometer, pH meter and temperature, and filter press. All tests results were minutely recorded to understand the influence of PTLP additives on the drilling mud properties. The results indicated that PTLP as an effective material to be used as pH reducer, viscosity reducer, and as an excellent filtration loss control agent under the surface and sub-surface conditions. Thus, PTLP has excellent feasibility to be utilized as biodegradable drilling mud additive replacing or at least supporting other conventional chemical additives, which have usually been used for the same purposes such as lignosulphonate, chrome-lignite, and Resinex. Finally, this work can serve as a practical guide for minimizing the cost of the drilling fluid and reducing the amount of non-biodegradable waste disposed to the environment.

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Evaluation of Rice Husk as Fluid Loss Control Additive in Water-Based Drilling Mud

Cited by 45 publications

References 6 publications

Evaluating the locally sourced materials as fluid loss control additives in water-based drilling fluid

Evaluating the locally sourced materials as fluid loss control additives in water-based drilling fluid

Experimental investigation of environmentally friendly drilling fluid additives (mandarin peels powder) to substitute the conventional chemicals used in water-based drilling fluid

Experimental investigation of bio-enhancer drilling fluid additive: Can palm tree leaves be utilized as a supportive eco-friendly additive in water-based drilling fluid system?

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