makalah tentang drilling survey dan lwd mwdFull description
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MWD y LWD
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deviation details, mwd tools manual
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oil and gas, petrophysic, logging while drilling, directional drilling basics, data acquisition methods, the borehole environment, LWD sensor theory, application and interpretation,
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Fundamentos de Perforación Direccional
Registr egistros os Durante Durante la Perf Perforac oracion ion MWD-LWD Programa de Entrenamiento Acelerado para Supervisores de Pozo Schlum Schlumber berger ger – IPM IPM
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Agenda l
Sistemas de MWD
l
Principios de funcionamiento y usos
l l
Sistemas de LWD Principios de funcionamiento y usos
l
Herramienta nuclear (ADN*)
l
Beneficios de los registros de LWD
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Avances Ava nces en las M ed edicione icioness M ie ientra ntrass se Perfo erfora: ra: M WD y LWD l l
l
M W D de de Onda Onda Continua Continua – Sistema “PowerPulse” M W D rec recuperable uperable (pa (para ra hoy hoyoo delgado) delgado) – Sistema “ SlimPulse” LWD: Herramient Herramientas as para Evaluac Evaluación ión de Formac Formaciones: iones: resistividad ad compensada) Array ray Resisti esistivity vity Compensated (arreglo de resistivid – ARC*: Ar co mpensada) (Resist esistivi ividad dad Dual Compensada) Compensada) – CDR* – Compensated Dual Resistivity (R esistivity vity at the Bit Bi t (Resisti (Resistividad vidad EN EN la l a barrena) barr ena) – RAB* – Resisti ADN* - Azimuthal Density Neutron (Densidad/Neutrón Azimutal)
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Pririnc ncipios ipios de Func uncionamiento ionamiento ü
La Herramienta ttoma oma los datos en el fondo.
ü
Los datos son trtransmitidos ansmitidos en forma for ma de pulsos de lodo.
ü
Los sensores sensores conviert c onvierten en los pulsos en en señales eelect lectric ricas. as.
ü
El equipo de superficie superfic ie decodific decodificaa la información de
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Sis iste tem mas de MWD M WD PowerPulse* Impulse*
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Características del MWD “PowerPulse” l l l l l
Datos ppreci recisos sos de de dirección direcc ión e inclinac inclinación ión Direc ireccc ión e inc inc linación continua Transmisión de ddatos atos a alta frec frecuenci uenciaa Capac apacidad idad de confi configurac guración ión en el fondo Mediciones opcionales: – Peso sobre la barrena bar rena en tiempo ti empo real (DWOB) Torqu
eal (DTO (DTOR R)
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Principios de la telemetría Pulsos Pos Posititivos ivos ó Negativos Negati vos
Ondas continuas de presión: Sirena continua de lodos
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Téc écnic nicas as de Telemetr Telemetríía
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M edic ediciones iones Opc Opcionales ionales (M (M VC) Vibraciones l
Mediciones de vibración en 4 ejes
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M edic ediciones iones Opc Opcionales ionales (M (M VC) l
Monitoreo en tiempo real de las las condiciones que reducen reducen la eficien eficiencia cia de la perfor perforació ación: n:
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Sistema de medición medic ión “SlimPulse” * l
Nueva Generac Generación ión de herr herramien amientas tas MW M W D para agujeros estrec estr echos hos (slimhole) (slimhole)
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Carac aracter teríístic sticas as del “SlimPulse” *
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Especificaciones del “SlimPulse” *
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Trans ransm misió isiónn de Datos
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Evaluac valuación ión de For Formac mación ión con c on Por orosidad osidad LW LW D
l
Calidad: 4 c uadrantes de datos con c on 4 sect sectores ores cada c ada uno = 16 sect sectores ores para datos datos de alta calidad cal idad y prec precisión. isión.
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Servicio VIS ISIO ION N - LWD WD/M /M W D 17 /1 2-in. hole
12 /1 4- a n d 8 /1 2 -in. hole
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Beneficc ios de los Registr Benefi Registros os LW LW D Reducción de costos por: l
Aumento de la velocidad efectiva de perforación
l
Disminución del tiempo de plataforma para viajes de acondicionamiento
l
Disminución del tiempo de plataforma para la toma de registros eléctricos
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Beneficc ios de los Registr Benefi Registros os LW LW D Reducción de Incertidumbres y de riesgos por:
l
Evaluación de formaciones aún en pozos difíciles.
l
Toma de información en formaciones vírgenes
l
Toma de decisiones en tiempo real mientras se perfora. Mediciones para optimizar el proceso de perforación
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