Experiences and Best Practices in the use of PCP’s in Orinoco Belt Carabobo Area, Venezuela.M. A. RAMOS, J. C. BROWN, M. QUIJADA, R. PARRA, J. ROMERO. Petróleos de Venezuela 

Abstract 

Since 90’s evaluation of progressive cavity pumps (PCP) in the Orinoco Belt Carabobo Area has been an alternative to handle low and high well production of 8 degrees API of heavy oil. Nowadays, this artificial lift method represents 50% of the productions wells in this area and 45% of the daily production. 

However during the PCP implantation process, it has been necessary to introduce improvements such as a better pump design, well completion, fluids handle, operational improvements and new technologies application, in order to enhance well production, increase the system run life and reduce the production costs. Examples of best practices and technologies that have been implanted area explained as follow: Gas Separators have been installed in vertical and slant wells (2001 –2003) and recently (2006) in horizontal wells. Insert systems in order to reduce the work over costs. Best practices in high rate PCP’s: 6,16 bpd per RPM pumps have been evaluated and implemented since 1998, we were able to get production rates up to 1500 bpd in horizontal wells. 10,12 bpd per RPM pumps model using 1-1/2” rods and 300 hp motor to produce 2000 bpd, have been evaluated and implemented since 2003. Finally evaluation of PCP with Hydraulic Regulators. 

This paper presents and describes the experiences that have been introduced in this artificial lift method in Orinoco Belt Carabobo Area, Venezuela and its results.

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