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Record W2963720404 · doi:10.5267/j.esm.2019.6.001

Logging while drilling operation

2019· article· en· W2963720404 on OpenAlexvenueno aff
Atma Yudha Prawira

Bibliographic record

VenueEngineering Solid Mechanics · 2019
Typearticle
Languageen
FieldEngineering
TopicDrilling and Well Engineering
Canadian institutionsnot available
FundersUniversitas Mercu Buana
KeywordsDrillingLoggingLogging while drillingPetroleum engineeringComputer scienceForensic engineeringEngineeringMining engineeringConstruction engineeringSystems engineeringMechanical engineering

Abstract

fetched live from OpenAlex

This research presents detailed notes on the penetrating geological formations of the wellbore.Logs can be presented in two forms of good geological logs, means visual inspection of surfacecarrying samples, and geophysical logs, means physical measurements by instruments that are lowered into holes.Logs that are created during drilling are called real-time logs.LWD tool is produced from real-time data transmitted to the surface computer from downhole.Three common services are Natural Gamma Ray, Resistivity, and Porosity and Bulk Density.The output of an LWD service is a log.A log is a graphical representation of the properties of the formation.Some factors that affect data quality are Depth Calculation, Sensor Malfunction and LWD Tools Measurements Fault.During drilling, borehole path monitoring is the important thing to be maintained because the quality of LWD data is critical for the success of any LWD job.Therefore, the field engineer has to understand the factors that affect data quality.Quality Control Process is the key to ensure that the tools are working properly.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.005
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.059
Threshold uncertainty score0.196

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.005
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0010.000
Scholarly communication0.0010.002
Open science0.0010.001
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0590.030

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.005
GPT teacher head0.173
Teacher spread0.169 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations2
Published2019
Admission routes1
Has abstractyes

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