PDC Bits and Rotary Steerable Tools - Functional Challenges, Stabilization Requirements and the Establishment of Operational Compatibility
Notice bibliographique
Résumé
PDC Bits and Rotary Steerable Tools - Functional Challenges, Stabilization Requirements and the Establishment of Operational Compatibility Graham Mensa-Wilmot; Graham Mensa-Wilmot GeoDiamond Search for other works by this author on: This Site Google Scholar Brian Stacey Brian Stacey Petro-Canada Search for other works by this author on: This Site Google Scholar Paper presented at the SPE/IADC Middle East Drilling Technology Conference, Bahrain, October 2001. Paper Number: SPE-72280-MS https://doi.org/10.2118/72280-MS Published: October 22 2001 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Mensa-Wilmot, Graham, and Brian Stacey. "PDC Bits and Rotary Steerable Tools - Functional Challenges, Stabilization Requirements and the Establishment of Operational Compatibility." Paper presented at the SPE/IADC Middle East Drilling Technology Conference, Bahrain, October 2001. doi: https://doi.org/10.2118/72280-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE/IADC Middle East Drilling Technology Conference and Exhibition Search Advanced Search Abstract The introduction of rotary steerable tools1,2 (RST) has drastically changed how the drilling industry plans and executes directional drilling projects. These tools address most of the technical and operational limitations, which previously hindered directional drilling efficiency. With RSTs, changes to wellbore trajectory are made while the drill string is in continuous rotation. This advantage improves wellbore quality, hole cleaning and Rate of Penetration (ROP). It also reduces well bore tortuosity, torque and drag, and eliminates the harmful effects of "negative weight on bit", especially on extended reach3 (ERD) programs.The benefits listed above can only be achieved if RSTs are used with appropriate bits4,5,6 . The development and/or selection of the "right bit type" for an RST application is "not as simple as perceived". This is due to the numerous technical issues - functional challenges, stabilization requirements and operational compatibility - that have to be addressed. To achieve technical and economic success, bits used with RSTs must also address expected formation drillability issues7 , in terms of their ROP and durability.PDC bits exhibit most of the characteristics needed to establish efficient partnerships with RSTs, especially their structural reliability and ROP potential. These attributes are further enhanced by the "absence of slide mode drilling", due to the continuous rotation of the drill string.This paper will characterize the technical issues associated with the PDC/RST combination, and show how "appropriate PDC bits" address them. It will draw distinctions between bit aggressiveness (BA) and bit instability (BI), and demonstrate how these parameters are affected by well profile specificity and dog-leg (DLS) requirements. In addition, it will identify and evaluate the requirements needed to ensure operational effectiveness on PDC/RST operations. Several field examples will also be discussed. Keywords: requirement, torsional vibration, vibration, operational compatibility, bit selection, drilling equipment, application, rst, rss operation, iadc spe 72280 Subjects: Drill Bits, Drilling Operations, Drilling Equipment, Directional drilling, Directional drilling systems and equipment Copyright 2001, SPE/IADC Drilling Conference You can access this article if you purchase or spend a download.
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Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,004 | 0,008 |
| Méta-épidémiologie (sens strict) | 0,001 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,002 | 0,001 |
| Études des sciences et des technologies | 0,002 | 0,006 |
| Communication savante | 0,008 | 0,009 |
| Science ouverte | 0,001 | 0,004 |
| Intégrité de la recherche | 0,003 | 0,002 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,009 | 0,002 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».