Anisotropic Wellbore Stability Analysis: Impact on Failure Prediction
Sign Up to like & getrecommendations! Published in 2020 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-020-02283-0
Abstract: Shale formations are the main source of borehole stability problems during drilling operations. Suboptimal predictions of borehole failure may partly be caused by neglecting the anisotropic nature of shales: Conventional wellbore stability analysis is based… read more here.
Keywords: wellbore stability; stability; stability analysis; anisotropic wellbore ... See more keywords
Sensitivity analysis of geomechanical parameters affecting a wellbore stability
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Central South University"
DOI: 10.1007/s11771-019-4046-2
Abstract: Wellbore stability analysis is a growing concern in oil industries. There are many parameters affecting the stability of a wellbore including geomechanical properties (e.g., elastic modulus, uni-axial compressive strength (UCS) and cohesion) and acting forces… read more here.
Keywords: sensitivity analysis; wellbore stability; analysis; stability ... See more keywords
Experimental investigation of the effect of drilling fluid on wellbore stability in shallow unconsolidated formations in deep water
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.12.067
Abstract: Abstract Wellbore instability in shallow unconsolidated formations is a great challenge to deepwater oil and gas drilling operations. Traditional experimental methods for evaluating wellbore stability cannot effectively simulate the cementation and consolidation effects of the… read more here.
Keywords: drilling fluid; unconsolidated formations; shallow unconsolidated; wellbore stability ... See more keywords
A method of sizing plugging nanoparticles to prevent water invasion for shale wellbore stability based on CFD-DEM simulation
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2020.107733
Abstract: Abstract Plugging shale pores and throats with nanoparticles is an efficient and economic method of preventing water invasion to sustain shale wellbore stability. The nanoparticles size distribution is the key factor affecting plugging performance. Currently,… read more here.
Keywords: wellbore stability; shale wellbore; method; water invasion ... See more keywords
Rock mechanics and wellbore stability of deep shale during drilling and completion processes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2021.108882
Abstract: Abstract The seepage coupling effect between the borehole rock mass and borehole fluid and the effective stress field distribution around the wellbore are obviously different under different working conditions of drilling, fracturing and completion, which… read more here.
Keywords: completion; wellbore stability; stability; pressure ... See more keywords
Experimental Study on the Adaptability of Plugging Drilling Fluids to Wellbore Stability in Hard Brittle Shale Formations
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DOI: 10.1021/acsomega.2c04624
Abstract: The problem of wellbore stability in hard brittle shale formations is an important research topic in the exploration and development of shale gas. To solve this problem, the adaptability of the plugging drilling fluid to… read more here.
Keywords: brittle shale; hard brittle; wellbore stability; plugging drilling ... See more keywords
Porothermoelastic Response of a Borehole in Fluid-Saturated Medium Subjected to Thermal Osmosis Effect
Sign Up to like & getrecommendations! Published in 2023 at "Geofluids"
DOI: 10.1155/2023/4030804
Abstract: With the thermo-hydro-mechanical coupling process considered, this paper derives a set of analytical porothermoelastic solutions to field variables including the stress, displacement, and pore pressure fields to evaluate the wellbore stability around a vertical borehole… read more here.
Keywords: effect; borehole; thermal osmosis; osmosis effect ... See more keywords