PETRO EXPERTOS CA

Hole Cleaning in Deviated Wells: Optimun Flow Rate Flow rate is a critical factor in ensuring excellent hole cleaning during the drilling of oil and gas wells. Here are some key points highlighting its importance: Cuttings Transport: The primary function of drilling fluid is to transport cuttings from the bottom of the well to the surface. A higher flow rate increases the velocity of the drilling fluid, which helps in lifting and carrying the cuttings more efficiently. Preventing Cuttings Bed Formation: In deviated and horizontal wells, cuttings tend to settle and form beds along the low side of the wellbore. Adequate flow rate helps in preventing the formation of these cuttings beds, which can lead to stuck pipe and other drilling problems. Maintaining Wellbore Stability: Proper hole cleaning ensures that the wellbore remains stable by preventing the accumulation of cuttings, which can exert additional pressure on the wellbore walls and lead to instability. Optimizing Drilling Performance: Efficient hole cleaning allows for higher rates of penetration (ROP) by minimizing the resistance encountered by the drill bit. This leads to more efficient drilling operations and reduced non-productive time. #drillingoperation #welldesign #wellplanning #horizontaldrilling Walter Gustavo Waes FELIX RODRIGUEZ Jorge Johan Garcia Diaz

Proyectos de Perforación de Reentradas Horizontales Muchos campos maduros se han vuelto económicamente no prospectivos dado que los pozos han bajado su producción significativamente y se ha incrementado el corte de agua en los mismos. Estos viejos pozos, muchos de ellos verticales, inclinados u horizontales, constituyen activos verdaderamente atractivos para un Plan de Explotación con alta factibilidad económica, cuando se visualiza emplear la técnica de reentrada a esos pozos para perforar secciones horizontales. Pozos con muy baja producción, incrementan su producción hasta 3-4 veces reduciendo el corte de agua hasta un 0%. Drivers que Justifican un Proyecto de Reentrada Horizontal *Se aprovechan las facilidades de producción existentes. *Bajo riesgo geológico dado que ya se conoce el yacimiento. *Reduce los costos significativamente aprovechando parte del pozo pre-existente. *Posibilidad de accesar a esa parte del yacimiento que no fue drenada. *Menos riesgos de problemas operacionales dado que parte del pozo ya esta perforada desde superficie hasta el punto del sidetrack. Recomendaciones: *Hacer uso de la tecnología de perforación de Geonavegación (GEOSTEERING) para evitar entrar en zonas de agua (Contacto Agua Petróleo) o Gas Petróleo y mantenerse en el payzone de la arena objetivo (mejores propiedades petrofísicas). * Seleccionar un pozo candidato con la mayor integridad mecanica, que su estado mecanico garantice poder hacer la ventana en casing sin problemas ( correr registros para detectar daños en el casing, mala cementacion) #reentry hashtag #geosteering hashtag #sidetrack

Axial Loading on Thermal Well Casing The thermo-mechanical response of the casing system, in thermally induced loading, consists of the following key features: Compressive yielding: Cemented casing will yield in compression when the thermally induced stress exceeds the elastic (yield) limit. Stress relaxation: While the casing is held at operating temperature, its axial and radial stresses relax or decrease with time. Tensile yielding: As the casing cools, the compressive stress eases and the casing begins to go into tension. Depending upon the casing grade, the operating temperature, and the minimum temperature reached, the casing may yield in tension. Cyclic stress progression: Under certain conditions, stress relaxation, thermal cycling, other applied loading, and a casing material’s tendency for cyclic strain hardening may combine to cause tensile stresses to increase incrementally beyond the value observed in the first cycle.