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Measurement while drilling (MWD)

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Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204026-MS
... Abstract It has been well documented that magnetic models and Measurement-while-Drilling (MWD) directional sensors are not free from error. It is for this reason that directional surveys are accompanied by an error model that is used to generate an ellipse of uncertainty (EOU). The directional...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 5–8, 1985
Paper Number: SPE-13487-MS
... liner drilling operation inclination SPE/IADC SPE/IADC 13487 Applications of Measurements While Drilling (MWD): Developm.ent of the East Breaks Field, Offshore Texas by F.W. LeGros Jr., Union Oil Co. of California, and C.A. Martin, Anadri/1/Sch/umberger SPE Members Copyright 1985, SPE/IADC 1985...
Proceedings Papers

Paper presented at the Offshore Mediterranean Conference and Exhibition, March 23–25, 2011
Paper Number: OMC-2011-082
... ABSTRACT: After nearly 30 years of measurement-while-drilling (MWD) operations, the market is still demanding an MWD telemetry system which can reliably operate in real time regardless wellbore hydraulics. The electromagnetic (EM) transmission system transmits downhole data by injecting...
Proceedings Papers

Paper presented at the 11th World Petroleum Congress, August 28–September 2, 1983
Paper Number: WPC-20203
... Abstract. A measurement while drilling (MWD) system is now available to provide more downhole measurements than ever before. The measurements currently made near the bit, while drilling is in progress, include: formation radioactivity, formation resistivity, annulus temperature, downhole...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 1981
Paper Number: SPE-10324-MS
... Abstract A Measurement While Drilling (MWD) system is now available to provide more downhole measurements than ever before. The measurements currently made near the bit, while drilling is in progress, include:o formation radioactivityo formation resistivityo annular temperatureo downhole...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 11–14, 2019
Paper Number: SPE-197805-MS
.... In this case, the new Generation MWD system was run along with current standard MWD tool in the same Bottom Hole Assembly BHA. This BHA also consisted of push-the-bit rotary steerable system and logging while drilling tools. The measurements were corrected for tool misalignment with respect to the borehole...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-0663
... Summary Directional drilling has evolved over the last few decades to become standard operational practice in the oil and gas exploration industry. One method of steering utilizes a technique known as magnetic Measurement While Drilling (MWD). Vector measurements of geomagnetic fields along...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20716-MS
... inclinations that require measurement equipment such as a seismometer. Unlike previous riser-less deep sea drilling, riser drilling operations for scientific research were carried out for the first time. Coincident with the drilling, Logging-while-Drilling (LWD) / Measuring-while-Drilling (MWD) was conducted...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 8–11, 1987
Paper Number: SPE-16523-MS
.... Abstract The in-hole failure rate and survey accuracy are key areas when judging the performance of Measurement While Drilling (MWD) tools. Shell UK Exploration and Production (Shell Expro) extensive use of two major MWD companies has enabled the underlying trends to be identified. The mean time between...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194057-MS
... Measurement While Drilling (MWD) surveys which have been used as the primary surveying tool worldwide for decades. The three magnetometers and Inclinometers provide an accurate inclination and azimuth when the drillstring is stationary. Continuous six axis MWD surveying could be described as a static survey...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 13–16, 2017
Paper Number: SPE-188921-MS
... to the drilling operations problem in real time. The majority of the drilling bottomhole assemblies (BHAs) consist of drive systems containing a positive displacement motor or rotary steerable system (RSS) and measurement-while-drilling (MWD) tool. The MWD tool includes the survey package that measures...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 6–8, 1995
Paper Number: PETSOC-95-06
... initial horizontal borehole reservoir horizontal drilling real-time control drilling real-time adjustment drilling mwd reservoir simulation horizontal well petroleum society drilling data acquisition information upstream oil & gas measurement while drilling drilling operation...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206253-MS
...Abstract Abstract High-fidelity trajectory estimation combined with dual-probe Measurement-While-Drilling (MWD) directional instrumentation provides a solution to minimum curvature’s known inefficiencies in modeling the true wellbore position and definition ( Stockhausen & Lesso, 2003...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202138-MS
... to overcome the limitations of the standard surveying accuracy without compromising rig time. Magnetic measurement while drilling (MWD) surveys are common standard and utilized in every directional well in this operation. To overcome the standard accuracy limitation, advanced survey correction...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 10–13, 2014
Paper Number: SPE-171819-MS
... with over 800 wells drilled by two different operators with several hundreds more wells to follow. Almost all Bottom Hole Assemblies (BHA) run in this field include a Measurement-While-Drilling (MWD) survey tool to survey the wellbore while drilling. The MWD is a magnetic survey tool that is subject...
Proceedings Papers

Paper presented at the SPE Liquids-Rich Basins Conference - North America, September 2–3, 2015
Paper Number: SPE-175539-MS
.... The ellipses of uncertainty associated with surveys acquired by standard Measurement While Drilling (MWD) tools are often too large to enable adequate separation factors between wells. MWD tools are instruments mounted inside the bottom hole assembly (BHA) and use an accelerometer and magnetometer sensor...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199794-MS
... and time improving average downhole utilization by 60%. real time system drilling operation Maintainability torque drilling data acquisition drilling measurement Upstream Oil & Gas maintenance voltage MWD measurement while drilling service delivery BHA gauge WOB vibration sensor...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189432-MS
... to the industry. A newly developed wellbore survey technique has proven to have superior accuracy compared to the current standard measurement-while-drilling (MWD) surveys with in-field referencing and multi-station analysis (MSA). In almost every drilling bottom hole assembly (BHA), there is an MWD survey tool...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Conference and Exhibition, September 3–6, 2013
Paper Number: SPE-166563-MS
... Abstract When kicking off at low inclination, static measurement-while-drilling (MWD) surveys are used to confirm the kickoff direction when free of magnetic interference from offset wells. However, as MWD continuous azimuth and inclination measurements have limited accuracy, the directional...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194130-MS
.... Alternative methods capable of achieving real-time data correction during drilling are also described and results are presented to demonstrate the potential for enhanced magnetic survey performance. The principles described may be used when running basic magnetic measurement while drilling (MWD) systems...

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