The Influence of Oil-Based Drilling Fluid Chemistry and Physical Properties on Oil Retained on Cuttings

Oakley, D.J.; James, Simon; Cliffe, S.

doi:10.2118/23060-ms

Cited by 9 publications

(3 citation statements)

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“…OBDF is the most effective drilling fluid when drilling or exploring for oil in frontier areas where extremely high geothermal gradient is a major challenge. However, in recent years, concerns about the restrictions of its use globally due to stiffer government regulations, very high cost of disposal and treatment of cuttings from the use of OBDF, and cost of formulation have received more attentions from researchers than improved formulation (Oakley et al, 1991). In this section, some current formulations and hazardous effects of OBDF are outlined.…”

Section: Current Trends In the Formulation Of Obdfmentioning

confidence: 99%

“…Miller (1950) reported that muds containing air blown asphalt were the most effective due in part to their superior plastering properties and flexibility of temperature range. Oakley et al (1991) designed an oil based mud based on oil-soluble polymers (amidoamines and imidazolines) that would reduce the oil on drill cuttings. Based on results from their laboratory tests, they concluded that oli on cuttings can be reduced by up to 30% on current 50:50 oil: ratio fluids.…”

Section: Current Trends In the Formulation Of Obdfmentioning

confidence: 99%

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Drilling Fluid: State of The Art and Future Trend

2012

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In its endeavor to provide a sustainable flow of hydrocarbon energy, the Petroleum industry has been recognized by the general public as an industry that has negatively impacted the environment as a result of using either harmful materials or risky practices. This leads the industry to continuously invest in R&D to develop environmentally friendly technologies and products. For any new technology or product, the current R&D trend is toward the development of sustainable practices and expertise. Drilling fluids are necessary for drilling oil and gas wells. Unfortunately drilling fluids have become increasingly more complex in order to satisfy the various operational demands and challenges. The materials used in the process to improve the quality and functions of the drilling fluids, contaminates the subsurface and underground systems, landfills, and surrounding environment. Due to the increasing environmental awareness and pressure from environmental agencies throughout the world, it is very important to look back to the drilling fluid technology to reassess its progress while it tries to make forward steps to improve the petroleum industry's position as an environment friendly industry. This article outlines the state-of-the-art of drilling fluids. The major types of drilling fluids, their strengths, limitations, and remedies to limitations are discussed. It also presents the current trend and the future challenges of this technology. In addition, future research guidelines are presented focusing on the development of environmentally friendly drilling fluids with zero impact on the environment. The paper concludes that future trend leads toward the development of sustainable drilling fluids.

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Section: Current Trends In the Formulation Of Obdfmentioning

confidence: 99%

Section: Current Trends In the Formulation Of Obdfmentioning

confidence: 99%

Drilling Fluid: State of The Art and Future Trend

2012

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“…During the last decade, environmental regulations have severely restricted the use of mineral oil based muds, mainly because of their impact in marine environment during offshore operations (1)(2)(3)(4)(5)(6).…”

Section: Introductionmentioning

confidence: 99%

Biodegradable Muds: An Attractive Answer to Environmental Legislations Around Offshore Drilling

Degouy¹,

Argillier²,

Demoulin³

et al. 1993

Proceedings of Offshore Europe

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For many years, oil based muds have shown proof of efficiency towards hostile drilling cases especially watersensitive shales or high temperature wells. However, their use is subjected to more and more constraints due to the fast evolution of environmental legislations. One of the possibilities to avoid this problem while keeping the advantages of oil muds consists in substituting mineral oils by biodegradable vegetable oils such as fatty acid esters.The esters used in these new oil-based muds have an aerobic biodegradability of more than 85 % after 4 weeks and an anaerobic biodegradability of more than 60 % after 2 months.An original formulation has been developed, presenting very good properties up to 140°C. Its performances are based on a properly choice of ester quality, emulsifying system and additives types, and on a severe control of lime concentration to avoid any risks of ester hydrolysis in conjunction to pH and temperature.Its behavior has been studied under bottomhole conditions, using an home made HT/HP flow loop, during aging. Contamination tests demonstrated the ability of ester-based muds to resist to possible contaminations i.e., sea water, drilled solids, cements during the drilling process.

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Drilling Fluids

and¹,

Al-Majed²

2015

Fundamentals of Sustainable Drilling Engineering

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The Influence of Oil-Based Drilling Fluid Chemistry and Physical Properties on Oil Retained on Cuttings

Cited by 9 publications

References 1 publication

Drilling Fluid: State of The Art and Future Trend

Drilling Fluid: State of The Art and Future Trend

Biodegradable Muds: An Attractive Answer to Environmental Legislations Around Offshore Drilling

Drilling Fluids

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