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Research Papers: Oil/Gas Reservoirs

Reverse Engineering: A New Well Monitoring and Analysis Methodology Approaching Playing-Back Drill-Rate Tests in Real-Time for Drilling Optimization

[+] Author and Article Information
Andreas Nascimento

Departamento de Mecânica (DME)/PRH48-ANP,
Faculdade de Engenharia-Campus
de Guaratinguetá (FEG),
Universidade Estadual Paulista (UNESP),
Av. Ariverto Pereira da Cunha 333,
Portal das Colinas, Guaratinguetá,
São Paulo, CEP 12.516-410, Brazil
e-mails: andreas@feg.unesp.br;
andreas.nascimento@gmail.com

Asad Elmgerbi

Chair of Drilling and Completion
Engineering (CDC)
Department Petroleum Engineering (DPE),
Montanuniversitaet Leoben (MUL),
Franz Josef-Straße 18,
Leoben 8700, Austria
e-mail: elmugerbi2000@gmail.com

Abbas Roohi

Chair of Drilling and Completion
Engineering (CDC)
Department Petroleum Engineering (DPE),
Montanuniversitaet Leoben (MUL),
Franz Josef-Straße 18,
Leoben 8700, Austria
e-mail: a.roohi4@gmail.com

Michael Prohaska

Chair of Drilling and Completion
Engineering (CDC)
Department Petroleum Engineering (DPE),
Montanuniversitaet Leoben (MUL),
Franz Josef-Straße 18,
Leoben 8700, Austria
e-mail: michael.prohaska@unileoben.ac.at

Gerhard Thonhauser

Chair of Drilling and Completion
Engineering (CDC)
Department Petroleum Engineering (DPE),
Montanuniversitaet Leoben (MUL),
Franz Josef-Straße 18,
Leoben 8.700, Austria
e-mail: gerhard.thonhauser@unileoben.ac.at

José Luiz Gonçalves

Instituto de Sistemas Elétrico e Energia (ISEE),
Universidade Federal de Itajubá (UNIFEI),
Av. BPS 1303,
Pinheirinho, Itajubá,
Minas Gerais, CEP 37500, Brazil
e-mail: joseluiz@unifei.edu.br

Mauro Hugo Mathias

Departamento de Mecânica (DME)/PRH48-ANP,
Faculdade de Engenharia-Campus
de Guaratinguetá (FEG),
Universidade Estadual Paulista (UNESP),
Av. Ariverto Pereira da Cunha No. 333,
Portal das Colinas,
Guaratinguetá,
São Paulo, CEP 12.516-410, Brazil
e-mail: mathias@feg.unesp.br

Contributed by the Petroleum Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received June 12, 2015; final manuscript received March 6, 2016; published online June 27, 2016. Assoc. Editor: Egidio Marotta.

J. Energy Resour. Technol 139(1), 012902 (Jun 27, 2016) (5 pages) Paper No: JERT-15-1210; doi: 10.1115/1.4033067 History: Received June 12, 2015; Revised March 06, 2016

Different researches have been developed during the past years aiming addressing challenges still faced in petroleum exploration. Rate of penetration and specific energy studies have been the main focuses in trying to boost operational efficiency. The combination of both techniques accomplished with a preoperational test (drill-rate test) may allow as a new trending tool the best side of the drillability optimization to take place. Further, by having these implemented in real-time, an interesting methodology result in seeing the penetrating processes as a step-by-step where drilling mechanics parameters can be more dynamically adjusted. Thus, the main focus of this paper is to address a combination of rate of penetration together with a specific energy formulation in parallel with a possible dynamic and real-time drill-rate test plotted graphs for sake of the drilling optimization enhancement.

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References

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Figures

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Fig. 1

Historical histogram distribution of presalt drilling rate per used drill-bit

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Fig. 2

Historical histogram distribution of presalt footage drilled per used drill-bit

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Fig. 3

ROP versus WOB for a typical limestone formation under different conditions representing an approximated drill-rate curve shape

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Fig. 4

Graph from a mathematic quadratic function with negative concavity [12]

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Fig. 5

Graphs showing drilling mechanics parameters for the well number 01 and run number 02 [11]

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Fig. 6

Graph highlighting the 03 (three) groups in use for the data analysis [11]

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Fig. 7

Drill-rate test graph play-back with the fitting equations and R2 [13]

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Fig. 8

Graph schematic showing interpretations based in the reverse engineering drill-rate analysis methodology

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