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Keywords: rod string
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Proceedings Papers

Paper presented at the SPE Middle East Artificial Lift Conference and Exhibition, November 28–29, 2018
Paper Number: SPE-192475-MS
... failure (MTBF), the recovery factor of the reservoir and the increase of the economic limit. These goals can be achieved by applying a novel Finite Elements Method (FEM) for modeling and analyzing the behavior of the sucker rod string and the installed completion. These results are the basis...
Proceedings Papers

Paper presented at the SPE Middle East Artificial Lift Conference and Exhibition, November 28–29, 2018
Paper Number: SPE-192464-MS
..., Ecopetrol. Most of the failures in these wells are related to the contact between rod string and production tubing in high DogLegs points, up to 7.8°/100 ft, which causes two different failure mechanisms. One is the breaking of the rod string due to high contact loads, and the other is the wear on the inner...
Proceedings Papers

Paper presented at the SPE Middle East Artificial Lift Conference and Exhibition, November 28–29, 2018
Paper Number: SPE-192485-MS
...-effective way seek by the operators to minimize risks, maximize production, and remain profitable on the market. In wells with sucker rod-lift systems, elastic beam vibrations induced by downhole pump operation are the main source for premature rod string failure and tubing wear. A completely new steady...
Proceedings Papers

Paper presented at the SPE Middle East Artificial Lift Conference and Exhibition, November 28–29, 2018
Paper Number: SPE-192497-MS
... much lower as the tubing does not have to be pulled to repair the pump/rod string. Maximizing effective stroke length (i.e. net downhole plunger travel) and minimizing unswept pump volume and plunger area are critical elements in achieving higher pump efficiency and maximizing production potential...
Proceedings Papers

Paper presented at the SPE Middle East Artificial Lift Conference and Exhibition, November 28–29, 2018
Paper Number: SPE-192454-MS
... that most of the existing slippage models underpredict the slippage rate by a significant fraction. Therefore, it is necessary to do additional and more detailed tests to be able to define a more precise model to predict slippage losses during pumping operations. slippage sucker rod pump rod string...
Proceedings Papers

Paper presented at the SPE Middle East Artificial Lift Conference and Exhibition, November 30–December 1, 2016
Paper Number: SPE-184202-MS
... of tubing and plunger assembly at bottom of rod string. However, in an insertable sucker rod pump (ISRP), the entire pump assembly is run-in at the bottom of rod string and is landed on pump seating nipple (PSN) which was originally installed in the tubing string. Hence, installing SRP would require...
Proceedings Papers

Paper presented at the SPE Middle East Artificial Lift Conference and Exhibition, November 30–December 1, 2016
Paper Number: SPE-184224-MS
... in operating PCP wells, the methods that were used to analyse the PCP failures, and new completion design that help to alleviate the problems to significantly improve the Bhagyam PCP run-life. artificial lift system landing nipple Upstream Oil & Gas api sucker rod run life rod string...
Proceedings Papers

Paper presented at the SPE Middle East Artificial Lift Conference and Exhibition, November 30–December 1, 2016
Paper Number: SPE-184203-MS
... combination of rod string and production parameters can improve the feasibility of carbon fiber rod. Upstream Oil & Gas carbon fiber rod displacement Efficiency composite rod beam pumping stroke loss sucker rod rod string deformation pure steel rod diagram oil field equipment maximum...

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