All Days 2000
DOI: 10.2118/59192-ms
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Drilling More Stable Wells Faster and Cheaper with PDC Bits and Water Based Muds

Abstract: fax 01-972-952-9435. AbstractROP enhancer chemistry for water-based muds combined with polished cutter PDC (Polycrystalline Diamond Compact) bit technology is shown to: 1) increase penetration rates and lower costs drilling high pressured shales by reducing bit balling and improving drilling efficiency and 2) improve borehole stability by reducing exposure time and reducing near wellbore fracturing which minimizes pore pressure elevation and loss of borehole integrity. Laboratory drilling simulator and pore pr… Show more

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Cited by 28 publications
(6 citation statements)
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“…Nadmierny wzrost zawartości rozmokniętej ilastej mieszaniny plastycznej na świdrze i przewodzie wiertniczym wpływa na proces wiercenia poprzez zwiększenie momentu obrotowego. W wyniku zwiększonego oporu może nastąpić przychwycenie przewodu, pogorszenie wskaźników hydraulicznych, co tym samym wpływa na zmniejszenie prędkości wiercenia otworu (Hariharan et al, 1998;Van Oort et al, 2000, 2015Cliffe i Young, 2008;Jasiński, 2015;Van Oort, 2017;Villabona-Estupiñán et al, 2017).…”
Section: Wprowadzenieunclassified
“…Nadmierny wzrost zawartości rozmokniętej ilastej mieszaniny plastycznej na świdrze i przewodzie wiertniczym wpływa na proces wiercenia poprzez zwiększenie momentu obrotowego. W wyniku zwiększonego oporu może nastąpić przychwycenie przewodu, pogorszenie wskaźników hydraulicznych, co tym samym wpływa na zmniejszenie prędkości wiercenia otworu (Hariharan et al, 1998;Van Oort et al, 2000, 2015Cliffe i Young, 2008;Jasiński, 2015;Van Oort, 2017;Villabona-Estupiñán et al, 2017).…”
Section: Wprowadzenieunclassified
“…The most effective ROP enhancers are those formulated to provide wetting and generation of a hydrophobic film on metal and rock surfaces. 14,15 The HPWBM contains a proprietary, patented anti-balling and accretion additive specifically designed to coat metal and rock with environmentally compliant base fluids and surfactants. 16 A proprietary method of addition is used to inject the antiballing additive so that a continual, non-emulsified stream of the material is available at the bit while drilling.…”
Section: Rop Bit Balling and Accretionmentioning
confidence: 99%
“…Full-scale HP laboratory drilling tests, validated by field experience, show that isomerized olefin Drilling Enhancers for WBM are successful at reducing or preventing balling but are more sensitive to bit design than OBM/SBM systems. Combined with the proper bit, however, economically competitive performance against OBM/SBM is achievable 8,33,34 .…”
Section: Water-soluble/water-insoluble Combinationmentioning
confidence: 99%
“…Near wellbore pore pressure elevation from filtrate invasion is at least as important which reduces the effective stress at the borehole wall and pressure support of the borehole is lost leading to wellbore failure 6 . Microfracturing or even macro-fracturing from drillstring vibration, swab/surge/pump mud pressure oscillation and fluid/rock temperature differences 7 only accelerate this failure by increasing near wellbore permeability 8 . WBM designs to compete with OBM/SBM.…”
Section: Introductionmentioning
confidence: 99%
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