Results 211 to 220 of about 4,972 (256)

Total Wrist Arthrodesis Using a Wrist Fusion Rod for the Dislocated Rheumatoid Wrist. [PDF]

J Hand Surg Glob Online
Takasu Y, Ishikawa H, Abe A, Otani H, Nakazono K, Murasawa A.   +5 more
europepmc   +1 more source

Study on Damage and Tensile Properties of Thermal-Treated Granite Under Different Thermal Shock Conditions. [PDF]

Materials (Basel)
Li K, Zhao X, Wang H, Li D, Dang D, Xi Y.   +5 more
europepmc   +1 more source

Advanced Needle-Based Strategies for Complex Calcified Peripheral Artery Disease: A Systematic Review. [PDF]

J Soc Cardiovasc Angiogr Interv
Putra RM, Indriani S, Putranto JNE, Budiarto RM, Luthfah N, Francio K, Widiarti W, Susanti M, Rha SW.   +8 more
europepmc   +1 more source

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Assessment of Radial Drilling Feasibility at the Fields of the Orenburg Region

Key Engineering Materials, 2018
The development and use of the radial drilling technology has been a controversial issue in the oil and gas industry for a long time. Nowadays, almost all big oil and gas producers deal with the question of its practical use at particular fields. The results of works carried out at carbonate reservoir units of the Orenburg Region were analyzed in the ...
Marsel Kadyrov, Andrey Ponomarev, Vadim Aleksandrov   +2 more
exaly   +2 more sources

Radial Drilling in Argentina

Proceedings of Latin American & Caribbean Petroleum Engineering Conference, 2007
With a world context of high oil prices and a rate of increase in reserves from new discoveries, that is not enough to compensate the rate of extraction, in addition to the high maturity of oilfields currently being developed in Argentina, companies have been working to improve the recovery factor of reserves, as a strategy to extend ...
Marcelo Bruni, Jose Biasotti, Guillermo Salomone   +2 more
openaire   +2 more sources

Bending of Drill and Radial Forces in Micro Drilling

Advanced Materials Research, 2013
This paper describes theoretical analysis of bending deflection and anisotropic rigidity of drill, and the induced radial forces in micro drilling. The main results obtained are as follows. (1) There are two different modes of drilling which cause bending deflection of drill and induce radial forces. They are position error mode and run-out mode.
Osamu Horiuchi, Masami Masuda, Takayuki Shibata   +2 more
openaire   +1 more source

Horizontal Radial Drilling System

SPE California Regional Meeting, 1985
ABSTRACT A high pressure, water jet drilling system has been developed using a new force system to concurrently drill a bore hole and place a metal tube in the bore hole. The first commercial application has been horizontal radials for shallow heavy oil reservoirs. Many radials may be placed at the same elevation. Logging,
W. Dickinson, R. W. Dickinson
openaire   +1 more source

Development of an Adjustable Gang Drilling Attachment for Radial Drilling Machine

2017
The objective was to develop an adjustable gang drilling attachment for radial drilling machine using retrofit approach. General purpose machines are not designed for mass production and to increase productivity is by the use of Special Purpose Machines (SPM’s).
Sourabh Chankeshwara, Nikhil Patil, Anil Ankulkar, Bhagyesh Deshmukh, Roohshad Mistry   +4 more
openaire   +1 more source

The PLC Control System Design of Radial Drilling

Advanced Materials Research, 2013
Focus on the disadvantages such as complicated circuit , poor reliability, difficulty troubleshooting and etc of the traditional relay-contactor control system of Z3040 radial drilling machine, the PLC control system design plan was proposed, the hardware and software design of electrical control system included the PLC selection, the I/O terminal ...
Guang Chun Yang, Qi Zhang
openaire   +1 more source

Analysis and Simulation of Radial Chatter in Drilling and Reaming

Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 1999
Abstract At high cutting speeds, self-excited regenerative vibrations (“chatter”) of drilling and reaming tools may occur. Chatter is an instability in which oscillation of the tool causes variation in the chip load, which in turn amplifies tool motion.
Sandra A. Metzler, Philip V. Bayly, Keith A. Young, Jeremiah E. Halley   +3 more
openaire   +1 more source