Key Technology for Drilling Speed Improvement of High Abrasive Formation in Aktobe
Shiyou jixie, 2018 The Zahnanor and North Tluwa oil field in the Aktobe area are rich in oil and gas resources. The main oil and gas reservoirs are located in the Carboniferous strata below the Permian.
Wang Gang +6 more
doaj
REDUCTION OF COST AND TIME CONSUMPTION IN WELL-CONSTRUCTION
Rudarsko-geološko-naftni Zbornik, 1998 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 ...
Mladen Zelenika , Božo Soldo
doaj
Evaluation of the Efficiency of Impact Mechanisms on the Example of Hydraulic Rotary Hammer Drills
Management Systems in Production EngineeringThe efficiency of energy transfer in impact mechanisms, often referred to as impact engines, is of key importance for users of these devices, including hydraulic rotary hammer drills.
Krauze Krzysztof
doaj +1 more source
Performance characteristics of a small scale rotary boring machine instrumented with large drag picks [PDF]
, 1988 Performance characteristics of a small scale rotary boring machine instrumented with six very large drag picks in six sedimentary rock types are reported. Performance trends were in reasonable agreement with those obtained from previous studies on tunnel
Adamson W.R., Howarth D.F.
core +1 more source
The comparison of rotary-percussion and rotary drilling methods at the Kuusilampi deposit [PDF]
This master’s thesis investigates the comparative efficacy of diesel powered rotary-percussion drilling and rotary drilling methods in the Kuusilampi deposit in Finland.
Helko, Ville
core
Water flushing of rock chips from horizontal holes drilled by rotary percussion. [PDF]
, 1997 A project report submitted to the Faculty of Engineering, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Science in Engineering.The flushing flow rate required to maximise ...
Kilfoil, Arthur Mark
core
Drilling bits in percussive-rotary drilling technology (down the hole DTH) [PDF]
Tyt. z nagłówka.Bibliogr. s. [462].This paper addresses the issue of drillbits for drilling normal and large diameter boreholes with the use of percussion-rotary method. The most important elements of drillbits, i.e. sintered carbide inserts of different
Śliwa, Tomasz
core
Shiyou jixieAt the time of rotary percussion drilling and grinding of cement plug at high speed,the combination of high-speed rotary cutting and high-frequency axial percussion can significantly improve the efficiency of drilling and grinding cement plug,but the ...
Liu Wang +6 more
doaj
New drilling technologies used for engineering drilling [PDF]
, 2006 Zapotrzebowanie na wiarygodną informację geotechniczną oraz konieczność modyfikacji właściwości gruntów stworzyły w ostatnich latach warunki do modernizacji starych oraz rozwoju nowych technik i technologii wiertniczych.
Wiśniowski, R., Wójcik, M., Toczek, M.
core
Evaluation of drilling performance and penetration mechanisms using seismic while drilling and acoustic emission methods [PDF]
, 2017 In oil and gas industry, drilling provides the path to exploit underground resources. Increasing rate of penetration (ROP) is one of the goal of drilling engineers to build this path. This dissertation focuses on study of a novel drilling technique, i.e.
Xiao, Yingjian
core