REDUCTION OF COST AND TIME CONSUMPTION IN WELL-CONSTRUCTION

A Contractor usually utilizes the available drilling equipment when constructing just one single well. Drilling cost and time consumption in constructing the well MB-1, using the percussion method, and the well MB-2, using the conventional rotary drilling method, call for a separate analysis in orde...

Full description

Bibliographic Details
Main Authors: Mladen Zelenika, Božo Soldo
Format: Article
Language:English
Published: Faculty of Mining, Geology and Petroleum Engineering 1998-12-01
Series:Rudarsko-geološko-naftni Zbornik
Subjects:
Online Access:http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=20677&lang=en
_version_ 1797725854343626752
author Mladen Zelenika
Božo Soldo
author_facet Mladen Zelenika
Božo Soldo
author_sort Mladen Zelenika
collection DOAJ
description A Contractor usually utilizes the available drilling equipment when constructing just one single well. Drilling cost and time consumption in constructing the well MB-1, using the percussion method, and the well MB-2, using the conventional rotary drilling method, call for a separate analysis in order to justify the investment cost for the acquisition of additional equipment for a single well only. The wells, located in a karst vrtača close to an estavelle near Tomislavgrad, with a diameter of 500 mm and approximately 80 m deep, have been accomplished with a low rate of penetration using the conventional Cable tool and resp. Rotary Drilling Method. In this paper results of analyses for the given circumstances are shown: both the efficiency and cost of the mentioned drilling methods performed by the crews of »Geotehnika d.d.« Zagreb, as well as the justifiability of investments in new equipment are evaluated.
first_indexed 2024-03-12T10:37:12Z
format Article
id doaj.art-0eccdeedba26435aa33d7e83ecdd6129
institution Directory Open Access Journal
issn 0353-4529
1849-0409
language English
last_indexed 2024-03-12T10:37:12Z
publishDate 1998-12-01
publisher Faculty of Mining, Geology and Petroleum Engineering
record_format Article
series Rudarsko-geološko-naftni Zbornik
spelling doaj.art-0eccdeedba26435aa33d7e83ecdd61292023-09-02T08:31:34ZengFaculty of Mining, Geology and Petroleum EngineeringRudarsko-geološko-naftni Zbornik0353-45291849-04091998-12-0110197102REDUCTION OF COST AND TIME CONSUMPTION IN WELL-CONSTRUCTIONMladen Zelenika 0Božo Soldo1Faculty of Geotechnical Engineering, University of Zagreb, Hallerova aleja 7, HR-42000 Varaždin, CroatiaFaculty of Geotechnical Engineering, University of Zagreb, Hallerova aleja 7, HR-42000 Varaždin, CroatiaA Contractor usually utilizes the available drilling equipment when constructing just one single well. Drilling cost and time consumption in constructing the well MB-1, using the percussion method, and the well MB-2, using the conventional rotary drilling method, call for a separate analysis in order to justify the investment cost for the acquisition of additional equipment for a single well only. The wells, located in a karst vrtača close to an estavelle near Tomislavgrad, with a diameter of 500 mm and approximately 80 m deep, have been accomplished with a low rate of penetration using the conventional Cable tool and resp. Rotary Drilling Method. In this paper results of analyses for the given circumstances are shown: both the efficiency and cost of the mentioned drilling methods performed by the crews of »Geotehnika d.d.« Zagreb, as well as the justifiability of investments in new equipment are evaluated.http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=20677&lang=endrilling bitdrilling methodwellscreencasingdesign of wellwell diameter
spellingShingle Mladen Zelenika
Božo Soldo
REDUCTION OF COST AND TIME CONSUMPTION IN WELL-CONSTRUCTION
Rudarsko-geološko-naftni Zbornik
drilling bit
drilling method
well
screen
casing
design of well
well diameter
title REDUCTION OF COST AND TIME CONSUMPTION IN WELL-CONSTRUCTION
title_full REDUCTION OF COST AND TIME CONSUMPTION IN WELL-CONSTRUCTION
title_fullStr REDUCTION OF COST AND TIME CONSUMPTION IN WELL-CONSTRUCTION
title_full_unstemmed REDUCTION OF COST AND TIME CONSUMPTION IN WELL-CONSTRUCTION
title_short REDUCTION OF COST AND TIME CONSUMPTION IN WELL-CONSTRUCTION
title_sort reduction of cost and time consumption in well construction
topic drilling bit
drilling method
well
screen
casing
design of well
well diameter
url http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=20677&lang=en
work_keys_str_mv AT mladenzelenika reductionofcostandtimeconsumptioninwellconstruction
AT bozosoldo reductionofcostandtimeconsumptioninwellconstruction