SPE Annual Technical Conference and Exhibition 2011
DOI: 10.2118/144456-ms
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Application Specific Steel Body PDC Bit Technology Reduces Drilling Costs in Unconventional North America Shale Plays

Abstract: As drilling activity in conventional land-based plays continue to decline, technology focus is shifting to the unconventional shale gas prospects (Haynesville, Marcellus, Eagle Ford). Efficient and repeatable drilling practices, along with costeffective technologies, are paramount to economically exploit the known hydrocarbon reserves because of the large number of horizontal wells required to develop the vast acreage plays. The drilling challenges include high bottom hole temperatures, high mud weights and ho… Show more

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Cited by 8 publications
(1 citation statement)
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“…Waterway, or bit-body, profile plays an important role in bit hydraulics and cuttings evacuation. There are a few studies that suggest that the use of parabolic rather than flat profiles can improve the cuttings removal and mitigate balling (Hanna et al 2011). To study the effects of waterway profile on cuttings removal, two flat and parabolic profiles were selected (Fig.…”
Section: Resultsmentioning
confidence: 99%
“…Waterway, or bit-body, profile plays an important role in bit hydraulics and cuttings evacuation. There are a few studies that suggest that the use of parabolic rather than flat profiles can improve the cuttings removal and mitigate balling (Hanna et al 2011). To study the effects of waterway profile on cuttings removal, two flat and parabolic profiles were selected (Fig.…”
Section: Resultsmentioning
confidence: 99%