Zobrazeno 1 - 10
of 443
pro vyhledávání: '"Colin Leach"'
Autor:
Ramanan Krishnamoorti, Amit Amritkar, Colin Leach, Andrea Prosperetti, Veerabhadra S. Denduluri, G.K. Wong, Guangzhao Zhou
Publikováno v:
SPE journal, 26(5), 2479-2497. Society of Plastic Engineers
Summary Undetected gas kicks are at the root of many disastrous accidents in the oil industry. A major factor in these tragic outcomes is the suddenness with which oil and gas can be ejected from the top of the riser, which gives operators virtually
Publikováno v:
The Journal of Classics Teaching, Vol 16, Pp 47-56 (2015)
Externí odkaz:
https://doaj.org/article/76d12f226242406c949798bd66f4f9d1
Autor:
G.K. Wong, Andrea Prosperetti, Colin Leach, Ramanan Krishnamoorti, Guangzhao Zhou, Veerabhadra S. Denduluri
Publikováno v:
Day 4 Thu, August 19, 2021.
The work described here originated from the tragic and ultimately environmentally catastrophic event at the Macondo well in April 2010. The first part of the paper addresses the causes for the sudden and often destructive ejection of hydrocarbons fro
Publikováno v:
SPE Drilling & Completion. 32:105-111
Summary In deepwater wells, if gas comes into the riser, a rapid unloading event may occur if removal of the gas is not carried out properly. Oil-based muds (OBMs) present an even greater challenge when compared with water-based muds (WBMs) to avoid
Autor:
Colin Leach, Takuya Hoshina, Robert Freer, Takaaki Tsurumi, Mohammad A. Zubair, Hiroaki Takeda
Publikováno v:
Journal of Materials Research. 28:2946-2959
Lead-free positive temperature coefficient of resistance (PTC) thermistors were synthesized from (1 − x/100)BaTiO3–(x/100)(Bi1/2K1/2)TiO3-based solid solutions, using a conventional mixed-oxide fabrication route, and sintered in N2 followed by ai
Autor:
Takuya Hoshina, Takaaki Tsurumi, Colin Leach, Hiroaki Takeda, Mohammad A. Zubair, Robert Freer
Publikováno v:
Journal of the Ceramic Society of Japan. 121:268-272
Publikováno v:
Day 1 Mon, May 02, 2016.
In deepwater dual gradient wells, if gas comes into the riser, a rapid unloading event may occur if removal of the gas is not carried out properly. Oil based muds present an even greater challenge when compared to water based muds to avoid gas in ris
Publikováno v:
All Days.
Managed Pressure Drilling (MPD) has gained industry acceptance with surface BOP stacks where improved control of downhole pressure has been achieved. The industry is currently beginning to see implementation of MPD systems in deepwater environments w
Autor:
M. A. Zubair, Colin Leach
Publikováno v:
Materials Science in Semiconductor Processing. 15:47-51
The effect of varying sintering temperature in the range 1270–1430 °C on the resistivity–temperature characteristics of semiconducting BaTiO 3 based positive temperature coefficient of resistance thermistors containing a donor-dopant, but withou
Autor:
Colin Leach, Ewald M. Pfaff, Bernard Grobéty, Stefan Diethelm, Mehdi Salehi, Frank Clemens, Thomas Graule
Publikováno v:
Journal of Membrane Science. 382:186-193
Oxygen permeability measurements of Ba0.5Sr0.5Co0.8Fe0.2O3−δ (BSCF) disk shaped membranes fabricated by thermoplastic processing and sintered at different temperatures (1000–1100 °C), showed no influence of the grain size on the oxygen permeati