METHODS AND SYSTEMS FOR DRILLING
A method of picking up a drill bit off the bottom of an opening in a subsurface formation while providing effective monitoring abilities examples of such monitoring abilities include predetermined alarms, mitigation procedures commenced based on the assessed value of one or more forces and verificat...
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Format | Patent |
Language | English French |
Published |
30.06.2020
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Subjects | |
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Abstract | A method of picking up a drill bit off the bottom of an opening in a subsurface formation while providing effective monitoring abilities examples of such monitoring abilities include predetermined alarms, mitigation procedures commenced based on the assessed value of one or more forces and verification of well bore conditions. The method comprises: setting a predetermined level of differential pressure across a mud motor at which pickup of the drill bit is to be initiated; monitoring the differential pressure across the mud motor; allowing differential pressure across the mud motor to decrease to the predetermined level; when the predetermined level is reached, picking up the drill bit.
Un procédé de ramassage dun foret du fond dune ouverture dans une formation souterraine tout en fournissant des exemples de capacités de surveillance efficaces de ces capacités de surveillance comprend des alarmes prédéterminées, des procédés datténuation mis en marche basés sur la valeur estimée de ladite ou desdites forces et la vérification des conditions de trou de forage. Le procédé consiste à établir un niveau préétabli de pression différentielle dans un moteur à boue où le ramassage du foret doit être amorcé; à surveiller la pression différentielle dans le moteur à boue; à permettre une pression différentielle dans le moteur à boue pour diminuer jusquau niveau préétabli; et, lorsque le niveau préétabli est atteint, à ramasser le foret. |
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AbstractList | A method of picking up a drill bit off the bottom of an opening in a subsurface formation while providing effective monitoring abilities examples of such monitoring abilities include predetermined alarms, mitigation procedures commenced based on the assessed value of one or more forces and verification of well bore conditions. The method comprises: setting a predetermined level of differential pressure across a mud motor at which pickup of the drill bit is to be initiated; monitoring the differential pressure across the mud motor; allowing differential pressure across the mud motor to decrease to the predetermined level; when the predetermined level is reached, picking up the drill bit.
Un procédé de ramassage dun foret du fond dune ouverture dans une formation souterraine tout en fournissant des exemples de capacités de surveillance efficaces de ces capacités de surveillance comprend des alarmes prédéterminées, des procédés datténuation mis en marche basés sur la valeur estimée de ladite ou desdites forces et la vérification des conditions de trou de forage. Le procédé consiste à établir un niveau préétabli de pression différentielle dans un moteur à boue où le ramassage du foret doit être amorcé; à surveiller la pression différentielle dans le moteur à boue; à permettre une pression différentielle dans le moteur à boue pour diminuer jusquau niveau préétabli; et, lorsque le niveau préétabli est atteint, à ramasser le foret. |
Author | MACDONALD, DUNCAN CHARLES EDBURY, DAVID ALSTON SITTON, DONALD RAY NORMAN, JASON B ROGERS, JAMES BRYON GUERRERO, JOSE VICTOR |
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DocumentTitleAlternate | PROCEDES ET SYSTEMES DE FORAGE |
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Snippet | A method of picking up a drill bit off the bottom of an opening in a subsurface formation while providing effective monitoring abilities examples of such... |
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SubjectTerms | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
Title | METHODS AND SYSTEMS FOR DRILLING |
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