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Measurement while drilling can be cost-effective in exploration wells, particularly in areas of the Gulf of Mexico where wells are drilled in areas of salt diapirs. The resistivity log will detect penetration into salt, and early detection prevents salt damage to bentonite drilling mud.
Measurement-while-drilling (MWD) solutions play a key role in maximizing asset value to operators through optimized drilling performance and consistent well delivery.
In this article, we'll discuss measurement while drilling MWD used in oil and gas wells (oilfield) to cover all its main subjects.
Measurement while drilling (MWD) technology provides downhole evaluation of formation gamma ray, resistivity, and porosity while drilling is in progress. Mechanical parameters such as the following are also measured and recorded for well surveillance: Well deviation and azimuth; Rate of penetration (ROP)
Measurement While Drilling (MWD) tools were introduced in 1981 to measure some of the important drilling parameters, particularly related to bit wear such as weight on bit, rotary speed, penetration rate and bit torque. The bit information can be obtained by computing parameters from the MWD.
Although many measurements are taken while drilling, the term MWD refers to measurements taken downhole with an electromechanical device located in the bottomhole assembly (BHA).
Schlumberger's MWD services play a key role in drilling optimization & efficiency. Use real-time data for improved formation evaluation & drilling decisions.