DEVELOPMENT OF A MUD-PULSE HIGH-TEMPERATURE MEASUREMENT-WHILE-DRILLING (MWD) SYSTEM [PDF]
, 2002 The overall program objective is to develop a mud-pulse measurement-while-drilling (MWD) tool for oil and gas drilling operations that can be used where downhole temperatures are as high as 195 C (383 F). The work was planned to be completed in two phases: Phase I and an optional Phase II.
Cohen, John H. +3 more
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Case Studies in Thermal Engineering, 2023 Measurement while drilling (MWD) plays an important role in controlling well trajectory, improving drilling efficiency and saving drilling cost. In recent years, a large number of high-temperature wells have appeared, which makes the traditional MWD ...
Song Tang, Wenkai Gao, Ke Liu
doaj +2 more sources
An effective lossless compression method for attitude data with implementation on FPGA [PDF]
Scientific ReportsThe attitude angles of the drilling tool serve as crucial information for transmitting Measurement While Drilling (MWD) data, enabling the optimization of drilling performance and ensuring tool safety.
Fangxing Lyu +4 more
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An Innovative High-Temperature High-Pressure Measurement While Drilling (MWD) Tool [PDF]
, 2007 Measurement while drilling (MWD) tools specified to 150 C (302 F) that provide wellbore surveys, real-time inclination, and natural gamma ray detection are a commodity item in the oilfield services industry. MWD tools specified to 175 C (347 F) that routinely demonstrate highly reliable operation are available from only a few service companies ...
Boling, Brian
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Intelligent Interface Detection of Frozen Rock Masses Using Measurement While Drilling Data and Change-Point Analysis [PDF]
SensorsTo address the critical challenges of lithology acquisition and low blasting refinement under extreme low temperatures and varying thermal conditions in high-altitude environments, this study develops a real-time dynamic identification method for rock ...
Fei Gao +4 more
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Electromagnetic measurement while drilling technology based on the carrier communication principle
Petroleum Exploration and Development, 2013 To improve data transfer rate and signal telemetry depth in electromagnetic measurement while drilling (EM-MWD), and to solve the problems of short life expectancy and poor reliability of drill pipes as well as serious electromagnetic scattering, this ...
Yi SU, Xin QI, Yang LIU, Jinguang ZHANG
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Applied SciencesPneumatic down-the-hole (DTH) hammer drilling technology has been used extensively in the fields of heat reservoir exploitation and geological exploration owing to its advantages of high efficiency and low pollution.
Lu Wang +3 more
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Fine Detection Method of Strata Information While Drilling—From the Perspective of Frequency Concentrated Distribution for Torque [PDF]
SensorsMeasurement while drilling technology (MWD) has emerged as a pivotal approach for geological exploration. However, the accuracy of existing geological recognition models remains limited, primarily due to data fluctuations that result in high overlap ...
Jingyi Cheng +5 more
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IMU/Magnetometer-Based Azimuth Estimation with Norm Constraint Filtering [PDF]
SensorsA typical magnetometer-based measurement-while-drilling (MWD) system determines the azimuth of the bottom hole assembly during the drilling process by employing triaxial accelerometers and magnetometers. The geomagnetic azimuth solution is susceptible to
Chuang Yang +3 more
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Measurement While Drilling (MWD) technology for blasting damage calculation
, 2018 ISBN för värdpublikation: 978-91-7790-134-1, 978-91-7790-135 ...
van Eldert, Jeroen +3 more
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