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- W4242031812 abstract "Unique Characteristics of Mixed Metal Hydroxide Fluids Provide Gauge Hole in Diverse Types of Formation L.J. Fraser L.J. Fraser International Drilling Fluids Search for other works by this author on: This Site Google Scholar Paper presented at the International Meeting on Petroleum Engineering, Beijing, China, March 1992. Paper Number: SPE-22379-MS https://doi.org/10.2118/22379-MS Published: March 24 1992 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Fraser, L.J. Unique Characteristics of Mixed Metal Hydroxide Fluids Provide Gauge Hole in Diverse Types of Formation. Paper presented at the International Meeting on Petroleum Engineering, Beijing, China, March 1992. doi: https://doi.org/10.2118/22379-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu nav search search input Search input auto suggest search filter All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE International Oil and Gas Conference and Exhibition in China Search Advanced Search AbstractThe recent introduction to the drilling industry, of magnesium aluminum hydroxide compounds represent a departure from traditional drilling fluid technology. The unique rheological performance of the fluids (which has been described in earlier publications) and their apparent inhibitive behavior are both considered as potential contributing factors in provision of gauge holes. Field and laboratory data are presented to support the validity of the dual contributions which appear to be derived from a single mechanism.IntroductionWith the introduction of mixed metal hydroxide compounds (MMHs) to the drilling fluids industry has come a need to develop both an understanding of the mechanism(s) by which such fluids operate and methods by which they may be applied to maximum advantage.The technology has aroused considerable interest and has already spawned several technical papers.Two potential areas of interest in MMH based fluids have been identified. These relate to the unusual rheological and suspension properties observed and to an apparent ability of those fluids to inhibit hydration of water sensitive formations.Two of the more recent publications have described, in detail, applications of the fluids for their hole cleaning and suspending performance. Building on the foundations of understanding established and field experiences as described in these publications, it is the objective of the author to focus attention now on the level of success achieved with MMH fluids in drilling gauge or near-gauge holes through a variety of formation types. Consideration is given to possible factors contributing to the observed field performance.WELLBORE DESTABILIZATIONIt is unlikely that any topic associated with drilling fluids has commanded more interest, generated more patents and technical papers, or consumed more research budget money than that of wellbore destabilization. The topic itself, and the opinions and theories which have grown from it, are diverse and complex. At the risk of doing less than full justice to the subject, three general factors which, individually, or in combination, can be credited with causing wellbore destabilization or hole enlargement, have been identified.1. Mechanical DisturbanceTwo entities present during a drilling operation can cause physical disturbance at a wellbore. Mechanical impact physical disturbance at a wellbore. Mechanical impact from a rotating drilling assembly is one obvious candidate. More substantial damage can, however, result from provocation caused by a moving drilling fluid. While provocation caused by a moving drilling fluid. While constant fluid motion against a wellbore can have a destabilizing effect, the industry has historically focussed on the flow regime as being the critical factor determining the scale of the impact. Although the reality of the two classically described flow regimes, namely laminar and turbulent, is not in question, the author has expressed, in a previous publications, reservations as to the industry's previous publications, reservations as to the industry's ability to assess which regime applies in a field situation. Caliper log evidence may, under appropriate circumstances, provide the best indication.Obviously the integrity of the formation is also a factor here. While the Austin Chalk type of formation can withstand the impact of continual bombardment by water and brines pumped in turbulent flow, some other formation types are less durable. Most at risk are unconsolidated, poorly cemented formations, including soft gumbo types and unconsolidated sands.P. 499 Keywords: mmh, mmh fluid, disturbance, drilling fluid chemistry, society of petroleum engineers, drilling fluid selection and formulation, case history, control additive, integrity, concentration Subjects: Drilling Fluids and Materials, Drilling fluid selection and formulation (chemistry, properties) This content is only available via PDF. 1992. Society of Petroleum Engineers You can access this article if you purchase or spend a download." @default.
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- W4242031812 title "Unique Characteristics of Mixed Metal Hydroxide Fluids Provide Gauge Hole in Diverse Types of Formation " @default.
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