"REPORTER of the Association of Drilling Contractors" N 3, 2013

ASSESSMENT OF EFFICIENT TIME OF DRILL BIT OPERATION, BASED ON A TECHNICAL AND ECONOMIC MODEL
Guskov, Igor V. – head of technological support and supervising department, OJSC TATNEFT, titov@nvp-modem.ru titov@nvp-modem.ru
Titov, Nikolay N. – Cand.Tech.Sci., executive director, LLC NBP MODEM, titov@nvp-modem.ru titov@nvp-modem.ru

УДК 622.24
Key words: penetration rate; auxiliary work time; cost per meter; bit service time; predictive estimate; control criterion; automated control system; drilling operations.
The paper looks into the issue of model representation of auxiliary works time as a function of on-bottom time. For a linear model of on-bottom time and parabolic model of auxiliary works time, a formula has been developed to find the optimal time on bottom, based on the generally accepted efficiency criteria (minimum cost per meter, maximum  run speed). As part of the automated control system “Drilling Operations”, an algorithm has been created for controlling and predicting time on bottom based on the technical and economic model and the new notion of  “run-technical-economic” drilling rate. An original format of representation of on-bottom time control and prediction has been provided based on a “plan – actual – model – prediction” scheme.

 

ASSESSMENT OF EFFICIENT TIME OF DRILL BIT OPERATION, BASED ON A TECHNICAL AND ECONOMIC MODEL
Guskov, Igor V. – head of technological support and supervising department, OJSC TATNEFT, titov@nvp-modem.ru
Titov, Nikolay N. – Cand.Tech.Sci., executive director, LLC NBP MODEM, titov@nvp-modem.ru

Key words: penetration rate; auxiliary work time; cost per meter; bit service time; predictive estimate; control criterion; automated control system; drilling operations.
The paper looks into the issue of model representation of auxiliary works time as a function of on-bottom time. For a linear model of on-bottom time and parabolic model of auxiliary works time, a formula has been developed to find the optimal time on bottom, based on the generally accepted efficiency criteria (minimum cost per meter, maximum  run speed). As part of the automated control system “Drilling Operations”, an algorithm has been created for controlling and predicting time on bottom based on the technical and economic model and the new notion of  “run-technical-economic” drilling rate. An original format of representation of on-bottom time control and prediction has been provided based on a “plan – actual – model – prediction” scheme.  

 

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ISSN 2073-9877

The scientific and technical journal, “Bulletin of the Association of Drilling Contractors”, is listed by the Higher Attestation Commission of the RF Ministry of Education and Science as one of the leading refereed journals and publications that feature main scientific results of doctoral and candidate’s dissertations.

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