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Keywords: drill bit
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32490-MS
... crust drilling equipment metals & mining sample tube core drill skid core drilling machine total duration accuracy nodule sample sediment check valve offshore technology conference drill bit efficient survey tool Introduction: Polymetallic nodules and Manganese (Mn) crust occur...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32209-MS
... methods and can do so at the bit in real-time. Traditional pore pressure estimation while drilling utilizes a combination of data sources most of which are detected from logging while drilling (LWD) sensors placed 100's of feet behind the drill bit (where resistivity, sonic, density etc. tools...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31965-MS
... conductor bha reservoir surveillance test rig drill bit jetted conductor gpm production monitoring upstream oil & gas flow rate procedure installation flow meter drilling motor lpm production control drilling operation load test bit stick-out offshore technology conference foundation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31707-MS
... proposal to address this unexpected problem. A committee involving the onshore and offshore teams gathered in a conference call to discuss the pros and cons of running a slick BHA with PDC drill bit, near bit stabilizer and string stabilizers or an electronic BHA with the same drill bit, rotary steerable...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31832-MS
... Abstract The pre-salt reserves offshore from Santos basin represent a great opportunity and probably the most important recent oil discovery in Brazil. These carbonate reservoirs are currently drilled with various types of drill bits, and have proven to be a challenging environment. Since...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30956-MS
..., and adequacy of the support design. The presentation illustrates the simulation methodologies in design, multi-physics and process optimization for a drill-head geometry. additive manufacturing additive manufactured component optimized design workflow drilling operation simulation drill bit...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29440-MS
... interbedded sandstone and claystone interval, a 125-m hard carbonate, and 50m of softer claystone before the casing point. The challenges presented in recent offset wells included high stick/slip, high levels of drill bit cutting structure wear and drill bit body erosion. Polycrystalline diamond compact (PDC...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29457-MS
... as data are added to DRS. OLAP cubes have been developed to analyze the performance of drill bits, motors, reamers, rotary steerable tools, and many more downhole tools. The DRS cubes assist in identifying failure causes on bits to identify high-risk intervals to better target products and parameters...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27575-MS
... of OTC copyright. Abstract Deepwater drilling often requires simultaneously hole-enlargement-while-drilling (HEWD) to improve project economics and preserve hole size for reaching deep reservoirs. The challenge of having two active cutting structures (drill bit and expandable underreamer) in one BHA...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25257-MS
... to the drill bit, which is a significant improvement over existing magnetometer guidance systems that must be installed 50 to 80 feet behind the drill bit. The shortened reaction reduces drilling time and drilling cost. The system could potentially enable a greater volume of the reservoir to be accessed from...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23219-MS
... Abstract The drilling operation in the pre-salt Santos basin faced great challengesfrom the beginning, so efforts were concentrated to obtain a better drillingperformance as a consequence of the high daily rates of drilling rigs. In thisway, we look for a combination of drill bits and drilling...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-19915-MS
... of torsional vibration. Aside from mechanical damage to the 2 OTC 19915 components of the BHA, this will also lead to unpredictable directional response and reduced directional capabilities. As such, it is extremely important to select a drill bit that is matched to the specific requirements of the system...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20250-MS
... OTC 20250 Low-Frequency Drill Bit Seismic While Drilling Robert P. Radtke, John E. Fontenot, David A. Glowka, and Robert H. Stokes, Technology International, Inc. Copyright 2009, Offshore Technology Conference This paper was prepared for presentation at the 2009 Offshore Technology Conference held...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19280-MS
.... The drilling operations use a heave compensated full-flush rotary system with a rotary power swivel driving API drill pipe and drill collars with a Bottom Hole Assembly (BHA) and an open-ended dragbit. The outer diameter (OD) of the cutting parts of the drill bit is 225 mm. The inner diameter of the drill bit...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16565-MS
... drilling diamond drill bit drilling operation requirement inner core assembly float equipment casing and cementing system provide safe setting casing reliable method drilling efficiency greg galloway application upstream oil & gas casing design drillable drill bit reduction...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1997
Paper Number: OTC-8303-MS
... depth, the drill bit is raised h m the bottom of the borehole, and the piemmeter probe is then lowered through the drill pipe (free-fall) until it rests on a landing ring in the drill bit (see Figure 1). To insert the probe into the virgin soil below the bottom of the borehole, the drill bit is lifted...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-6025-MS
... ABSTRACT In this study, it is demonstrated that sonic pulses of sufficient strength and suitable frequencies can be emitted from a borehole energy source concurrently while drilling oil and gas wells and that these pulses can be used to scan or "look ahead" of the drill bit to determine...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-6024-MS
... Vertical Seismic Profiling (VSP) has been used over the past decade to provide seismic images near a wellbore and to make time-to-depth calibrations of surface seismic data. A new wellbore seismic technique, the TOMEX® Survey, uses the vibrations produced by a drill bit while drilling...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5510-MS
... ote 5510 interpretation torque field data analysis drill bit drilling operation rotational velocity torque loss curved zone string section torque transmission directional drilling weight transmission rotation speed transmission upstream oil & gas formation effect reduction...

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