Abstract: Micro-electro-mechanical systems lost circulation materials (MEMS-LCMs) of various sizes, shapes, and specific gravities may be used in a drilling fluid to determine the preferred LCMs for use in wellbore strengthening of the wellbore. For example, a method may include drilling at least a portion of a wellbore penetrating a subterranean formation with a drilling fluid that comprises a base fluid, a plurality of MEMS-LCMs, and a plurality of LCMs, wherein the MEMS-LCMs and the LCMs are substantially similar in size, shape, and specific gravity; measuring a first concentration of the MEMS-LCMs in the drilling fluid before circulating the drilling fluid through the wellbore; measuring a second concentration of the MEMS-LCMs in the drilling fluid after circulating the drilling fluid through the wellbore; performing a comparison of the first and second concentrations of the MEMS-LCMs; and changing a composition of the drilling fluid based on the comparison.

Abstract: Micro-electro-mechanical systems lost circulation materials (MEMS-LCMs) of various sizes, shapes, and specific gravities may be used in a drilling fluid to determine the preferred LCMs for use in wellbore strengthening of the wellbore. For example, a method may include drilling at least a portion of a wellbore penetrating a subterranean formation with a drilling fluid that comprises a base fluid, a plurality of MEMS-LCMs, and a plurality of LCMs, wherein the MEMS-LCMs and the LCMs are substantially similar in size, shape, and specific gravity; measuring a first concentration of the MEMS-LCMs in the drilling fluid before circulating the drilling fluid through the wellbore; measuring a second concentration of the MEMS-LCMs in the drilling fluid after circulating the drilling fluid through the wellbore; performing a comparison of the first and second concentrations of the MEMS-LCMs; and changing a composition of the drilling fluid based on the comparison.

Abstract: Methods and systems of analyzing a reservoir fluid based on surface measurements of fluids circulated in a wellbore are provided. A fluid (e.g., a drilling fluid) with known properties is circulated within a wellbore where it is exposed to a reservoir fluid. A gas extractor is used to analyze a sample of the gas phase of the circulated fluid to determine the composition of the gas phase. Partitioning coefficients are used to calculate the composition of the solid, aqueous, organic, and gas phases of the circulated fluid. The composition of the fluid before and after circulation through the wellbore is compared to determine the composition of the reservoir fluids.

Abstract: In some embodiments, an apparatus and a system, as well as a method and an article, may operate to acquire live video stream information from an imaging device, the information including down hole cuttings image information, and then to process the down hole cuttings image information to determine data that quantifies at least one of a shape, a size distribution, or a volume of the down hole cuttings. Further activities include publishing changes in the data in conjunction with probable conditions associated with a borehole drilling operation or a borehole pumping operation. Additional apparatus, systems, and methods are disclosed.