Results 51 to 60 of about 58,708,431 (106)

[Spanish consensus document on diagnosis, stabilisation and treatment of pediatric multisystem inflammatory syndrome related to SARS-CoV-2 (SIM-PedS)]. [PDF]

open access: yesAn Pediatr (Engl Ed), 2021
García-Salido A   +18 more
europepmc   +1 more source

Spanish translation of the International Glossary on Infertility and Fertility Care, 2017. [PDF]

open access: yesJBRA Assist Reprod, 2023
Herrero MB   +4 more
europepmc   +1 more source

Fluidos de perforación para la horadación de estratos de alta concentración salina [b.c]

open access: yes, 1950
Debido a la gran importancia que actualmente y con marcado interés ha alcanzado el control de los fluidos de perforación en el Sistema Rotatorio, el conocimiento científico de los principios que rigen a las suspensiones de arcilla, así como la ...
Vargas Maldonado, Manuel
core  

SELECTION OF OBM SALINITY THROUGH EFFECTIVE OSMOTIC PRESSURE EVALUATION IN CARBONERA SHALE FOR COLOMBIAN FOOTHILLS

open access: yesCT&F Ciencia, Tecnología & Futuro, 2010
Wellbore instability in shales is attributed to many factors. Two of them are mechanical effects and physico-chemical effects. Drilling and drilling fluid cause physico-chemical interaction and the flux of water and ions that may alter the shale stress ...
William-Armando Fernández-Vera   +2 more
doaj  

Caracterización física con difractogramas e hinchamiento de bentonitas organofílicas para adicionar a materiales compuestos poliméricos//Physical characterization with difractograms and swelling of organophilic bentonites to add to polymer composites

open access: yesIngeniería Mecánica, 2014
Las bentonitas con partículas de microestructura combinada por placas de tetraedros y octaedros silicio-aluminosos, contienen cavidades interlaminares entre ellas, confiriéndoles cualidades positivas para usarse en tintas, medicamentos, fluidos de ...
Francisco Jesús Mondelo‐García   +5 more
doaj  

Limpieza de pozos verticales con sistemas de fluidos base no acuosa empleados durante la perforación en aguas profundas

open access: yes, 2013
Limpieza de pozos verticales con sistemas de fluidos base no acuosa empleados durante la perforación en aguas ...
Hernández Rosas, Edgar   +1 more
core  

Determining the vertical and areal distribution of the composition of volatile oil and/or gas condensate in the reservoir DETERMINACIÓN DE LA DISTRIBUCIÓN VERTICAL Y AREAL DE LA COMPOSICIÓN EN YACIMIENTOS DE ACEITE VOLÁTIL Y/O GAS CONDENSADO

open access: yesCT&F Ciencia, Tecnología & Futuro, 2005
The compositional variation in vertical and areal direction due to gravitational and thermal effects, plays an important role in the determination of the original reserves in-situ and in the selection of the operation scheme for volatile oil and/or gas ...
Nicolás Santos Santos   +2 more
doaj  

Perforación y reparación de pozos petroleros con fluidos de control base agua

open access: yes, 2007
Facultad de Ingeniería Química. Licenciatura como Ingeniero QuímicoThe drilling of oil wells have been made since ancient times but the techniques and operations have evolved, likewise; equally drilling fluids have had changes.
José Manuel García Bolaños
core  

RECENT ADVANCES IN NATURALLY FRACTURED RESERVOIR MODELING

open access: yesCT&F Ciencia, Tecnología & Futuro, 2001
Large amounts of oil reserves are contained in naturally fractured reservoirs. Most of these hydrocarbon volumes have been left behind because of the poor knowledge and/or description methodology of those reservoirs.
A ORDOÑEZ   +3 more
doaj  

The COVID-19 health crisis: The surgeon role. [PDF]

open access: yesCir Esp (Engl Ed), 2020
García-Novoa A, Casal-Beloy I.
europepmc   +1 more source

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