... Abstract Lost-Circulation Materials (LCMs) are used to control and mitigate fluid loss problems by fracture sealing. Without a proper lost-circulation technique, an increase in non-productive time (NPT) and well control problems may occur. A good design in the LCMs to seal fractures...

... augment the underperformances in data acquisition with a lab scale core simulation program. Noble Energy has developed a modeling approach that allows hydrocarbon desorption rates from a pressure core sample to be simulated by emulating the lab conditions. Early time fluid losses for various reason...

..., the thin balance between ECDs and the formation fracture pressures in this field generated events of severe fluid loss during the liner deployment or while cementing. A liner not fully supported by cement — due to severe fluid loss during cementation — can experience ballooning, and be unable to withstand...

... in the hundreds to thousands psi. Wellbore stability problems associated with these zones can be linked to both drilling-induced and pre-existing fractures resulting in subsequent fluid losses. It is generally acknowledged that the solution to these problems is a combination of drilling fluid optimization...

... losses helps to better estimate the volume of drilling fluid loss when compared to existing models. Model Formulation Lavrov and Tronvoll (2004) developed a model to delineate the phenomenon of borehole ballooning in a naturally fractured formation. The model assumed a radial flow of a power-law...

... as a proof of concept. Various slot disc sizes were used to mimic different size fractures in the formation. The API RP 13 B-1&2 have been followed as standard test methods to evaluate fluid loss in water based muds. drilling fluid management & disposal Upstream Oil & Gas experiment...

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... acid stimulation while preventing excessive cement fluid loss. This paper explains the innovative solution that was custom-designed for this well and the execution procedure. It also elaborates on the combined use of CT intervention, custom-designed chemical blends, a cement slurry system...

... Abstract The development of the production phase of pre-Salt fields in Santos Basin have been facing many challenges, one of them is the occurrence of massive fluid losses during drilling, completion and evaluation operations. One possible solution to drill in this scenario is the usage...

... Abstract Taking fluid losses in a drilling operation is common practice. Pumping loss-circulation material (LCM) to control drilling fluid losses to the formation is part of the overall solution. Precisely spotting the correct volume of LCM and protecting sensitive directional tools...

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... Abstract Preventing or mitigating fluid losses caused by the presence of natural fractures is a major challenge faced by operators when drilling exploratory wells in the Barents Sea. Natural fractures widths vary significantly which makes it difficult to design treatments using conventional...

... Abstract Fluid losses during overbalanced well interventions particularly in depleted and under-pressured formations can become excessive in the presence of naturally occurring fractures, vugs, and caverns. Such features in combination with hydraulically induced fractures pose a set of issues...

..., the 301 well was the first successful well to penetrate the reservoir in the Camaronero field, proving automated MPD as a successful drilling technique for this field. managed pressure drilling pore pressure case history drilling window annular pressure drilling bottom hole pressure fluid loss...

... conference upstream oil & gas fluid loss stability loading emulsifier Introduction Overview of Fluorine Chemistry Fluorine was first isolated in 1886 by Henri Moissan, a discovery that awarded him the 1906 Nobel Prize in Chemistry ( Fig. 1 ) ( Banks et al. 1986 ). Elemental fluorine...

... drilling fluid formulation fluid loss spe 158655 gravel pack coupon Introduction Operated by Noble Energy, the Mari-B field was discovered by the Yam Tethys co-venture group (Noble Energy Mediterranean Limited, Delek Drilling LP, Delek Investments and Properties Ltd., and Avner Oil Exploration...

... and effectively decrease drilling fluid losses. Using these techniques to control lost circulation with bridging materials can be extremely difficult when drilling with non-aqueous, oil-based fluid. The reduced permeability of an oil-wet filter cake prevents carrier fluid leak-off and necessary solids...

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... outcomes. The operational parameters are highlighted together with the LD results and the associated value to the operator. circulation mud weight drilling operation ld parameter liner Upstream Oil & Gas liner hanger ld operation fluid loss Case History operator equipment selection...