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Magnetic Magnetic and and Gravity Toolface Toolface and How How To Int Interpret erpret The Meanin Meaning g For ...
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Magnetic and Gravity Toolface and How To Interpret The Meaning For Direction D irectional al Drilling by DrillingFormulas.Com on November 22, 2014 Magnetic Magnetic and a nd gravity too สface are a re terms ter ms in directional drilli drilling ng world world to describe the direction of the well. They are different in meaning and application therefore t his article will will teach you about these t hese terminologies and how to read it.
Magnetic Toolface The magnetic magnetic toolface is an angle projection onto the horizontal plane between t he tool face fac e and magnetic magnetic north. Typically, directional tools use the magnetic tool face when the inclination is less than 5 degree. The Figure 1 demonstrates that the mud motor is lined up to kick off at 30 degree azimuth magnetic.
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Figure 1 – Magnetic Toolface Gravity Toolface The gravity toolface or high-side toolface is used for a section of the well which has an inclination more than 5 degree. The high-side is the top of the hole perpendicular to the wellbore axis and the low side is the bottom of the hole (Figure 2). The tool is measure in relative to high-side tool face.
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What Does Toolface Tell You About Directional Drilling? Toolface at 0 degree – it means that a mud motor is lined up to build angle only but there is no change in azimuth.
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Figure 4 - Toolface at 180 Degree Toolface at 90 degree – it means that a mud motor is lined up to turn the right only but there is no change in inclination.
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Figure 5 – Toolface at 90 degree Toolface at 270 degree – it means that a mud motor is lined up to turn the left only but there is no change in inclination.
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Related Topics from Drillingformulas.Com What are Magnetic Toolface and Gravity Toolface? Angle Averaging Method in Directional Drilling Calculation Directional Drilling Handout from Texas AM Tagged as: directional drilling, grativty toolface, magnetic toolface { 4 comments… read them below or add one }
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Magnetic and Gravity Toolface and How To Interpret The Meaning For ...
jose mendez November 26, 2014 at 9:27 pm Magnetic tool Reply
jose mendez November 26, 2014 at 9:37 pm Macnetic toolface Reply
Arekumo ThankGod December 29, 2014 at 8:05 pm Nice site. I need your articles from time to time. Reply
Enyindah Joseph March 6, 2015 at 1:20 am It nice and educative Reply Leave a Comment Name * E-mail * Website
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